Lika LD200 User manual

Brand: Lika

Model: LD200

Type: User manual

User's guide
LD200
•Position display, counter, event transmitter, converter
•For HTL/Push-Pull, TTL/Line Driver, Sine/Cosine 1Vpp incremental
encoders/sensors and SSI absolute encoders/sensors
•Linear (mm, inches,...) and angular (degrees) display function
•1 input and 3 dedicated digital outputs
•RS-232 interface and software tool for easy configuration
Suitable for the following models:
•LD200 universal display
General Contents
Preliminary information 10
1 - Safety summary 11
2 - Identification 13
3 - Mounting instructions 14
4 - Electrical connections 16
5 - Functions 19
6 - Setup 25
7 - RS-232 serial interface 53
8 - Application software for PC 65
Lika Electronic • Tel. +39 0445 806600 • [email protected] • www.lika.biz
Smart encoders & actuators

This document and information contained herein are the property of Lika Electronic s.r.l. and shall not be reproduced in whole or in

part without prior written approval of Lika Electronic s.r.l. Translation, reproduction and total or partial modification (photostat copies,

film and microfilm included and any other means) are forbidden without written authorisation of Lika Electronic s.r.l.

The information herein is subject to change without notice and should not be construed as a commitment by Lika Electronic s.r.l. Lika

Electronic s.r.l. reserves the right to make all modifications at any moments and without forewarning.

This manual is periodically reviewed and revised. As required we suggest checking if a new or updated edition of this document is

available at Lika Electronic s.r.l.'s website. Lika Electronic s.r.l. assumes no responsibility for any errors or omissions in this document.

Critical evaluation of this manual by the user is welcomed. Your comments assist us in preparation of future documentation, in order

to make it as clear and complete as possible. Please send an e-mail to the following address [email protected] for submitting your

comments, suggestions and criticisms.

General contents
User's guide......................................................................................................................................................... 1
General contents.............................................................................................................................................................................3
Subject index.....................................................................................................................................................................................8
Typographic and iconographic conventions...................................................................................................................9
Preliminary information...........................................................................................................................................................10
- Safety summary....................................................................................................................................................................11
1 Safety........................................................................................................................................................................................11
2 Electrical safety....................................................................................................................................................................11
3 Mechanical safety...............................................................................................................................................................12
- Identification..........................................................................................................................................................................13
- Mounting instructions......................................................................................................................................................14
1 Overall dimensions..............................................................................................................................................................14
2 Installation.............................................................................................................................................................................15
3 Cleaning and maintenance.............................................................................................................................................15
- Electrical connections.......................................................................................................................................................16
1 CON6 connections (Power supply to the display).................................................................................................16
2 CON1 connections (Mini-DIN connector).................................................................................................................16
3 CON2 connections (RS-232 serial interface)...........................................................................................................16
4 CON3 connections (Sine/Cosine 1Vpp)......................................................................................................................17
5 CON5 connections (Push-Pull, Line Driver, SSI).....................................................................................................17
6 Jumper J1 (Power supply to the encoder / sensor)..............................................................................................18
7 CON4 connections (Outputs and Input)....................................................................................................................18
- Functions...................................................................................................................................................................................19
1 Start up....................................................................................................................................................................................19
2 Function of the LEDs..........................................................................................................................................................19
3 Function of the keys...........................................................................................................................................................20
4 Default parameters (factory settings)........................................................................................................................20
5 Absolute / relative counting mode..............................................................................................................................20
6 Memory on power down (for incremental and 1Vpp encoders / sensors).................................................21
7 Offset........................................................................................................................................................................................21
8 Displaying values in millimetres / degrees / inches / fractional inches.......................................................21
9 Zero setting (or Preset setting).....................................................................................................................................21
10 Preset Input function (CON4, pins 7 and 8)..........................................................................................................22
10.1 Examples of using the input...........................................................................................................................23
11 OUT 1, OUT 2, OUT 3 output function (CON4, pins 1 … 6)..............................................................................23
11.1 Examples of using the outputs......................................................................................................................24
- Setup...........................................................................................................................................................................................25
1 Access to setup menus......................................................................................................................................................25
2 Basic settings........................................................................................................................................................................26
Ad..................................................................................................................................................................................................26
L_int............................................................................................................................................................................................26
3 Parameter settings..............................................................................................................................................................26
d_tyPE........................................................................................................................................................................................26
4 AB0 incremental rotary encoder..................................................................................................................................27
PPr................................................................................................................................................................................................27
diSt_r..........................................................................................................................................................................................27

MOd 360...................................................................................................................................................................................27
Unit..............................................................................................................................................................................................27
EnAbLE 0...................................................................................................................................................................................27
dir..................................................................................................................................................................................................28
dEciMALS..................................................................................................................................................................................28
PrESEt.........................................................................................................................................................................................28
LIMIt P.......................................................................................................................................................................................28
LIMIt N.......................................................................................................................................................................................28
OFFSEt........................................................................................................................................................................................29
EnAb. In.....................................................................................................................................................................................29
6.5 1Vpp Sine/Cosine rotary encoder.................................................................................................................................30
PPr................................................................................................................................................................................................30
diSt_r..........................................................................................................................................................................................30
MOd 360...................................................................................................................................................................................30
Unit..............................................................................................................................................................................................30
EnAbLE 0...................................................................................................................................................................................30
dir..................................................................................................................................................................................................31
dEciMALS..................................................................................................................................................................................31
PrESEt.........................................................................................................................................................................................31
LIMIt P.......................................................................................................................................................................................31
LIMIt N.......................................................................................................................................................................................31
OFFSEt........................................................................................................................................................................................32
EnAb. In.....................................................................................................................................................................................32
6.6 Absolute rotary encoder with SSI interface.............................................................................................................33
ForMAt.......................................................................................................................................................................................33
PPr................................................................................................................................................................................................33
n_turnS......................................................................................................................................................................................33
diSt_r..........................................................................................................................................................................................33
Prtcl.............................................................................................................................................................................................34
codE.............................................................................................................................................................................................34
Unit..............................................................................................................................................................................................34
dir..................................................................................................................................................................................................34
dEciMALS..................................................................................................................................................................................34
PrESEt.........................................................................................................................................................................................35
LIMIt P.......................................................................................................................................................................................35
LIMIt N.......................................................................................................................................................................................35
OFFSEt........................................................................................................................................................................................35
EnAb. In.....................................................................................................................................................................................36
6.6.1 Connecting an SSI encoder with “MSB Left Aligned” protocol..........................................................36
6.7 Lika's SM2, SM25, SM5 magnetic sensors................................................................................................................40
Pitch............................................................................................................................................................................................40
rES................................................................................................................................................................................................40
Unit..............................................................................................................................................................................................40
dir..................................................................................................................................................................................................40
PrESEt.........................................................................................................................................................................................40
LIMIt P.......................................................................................................................................................................................41
LIMIt N.......................................................................................................................................................................................41
OFFSEt........................................................................................................................................................................................41
EnAb. In.....................................................................................................................................................................................41

6.8 AB0 incremental linear encoder/sensor....................................................................................................................43
rES................................................................................................................................................................................................43
Unit..............................................................................................................................................................................................43
EnAbLE 0...................................................................................................................................................................................43
dir..................................................................................................................................................................................................43
PrESEt.........................................................................................................................................................................................44
LIMIt P.......................................................................................................................................................................................44
LIMIt N.......................................................................................................................................................................................44
OFFSEt........................................................................................................................................................................................44
EnAb. In.....................................................................................................................................................................................44
6.9 1Vpp Sine/Cosine linear encoder/sensor...................................................................................................................46
Pitch............................................................................................................................................................................................46
rES................................................................................................................................................................................................46
Unit..............................................................................................................................................................................................46
EnAbLE 0...................................................................................................................................................................................46
dir..................................................................................................................................................................................................47
PrESEt.........................................................................................................................................................................................47
LIMIt P.......................................................................................................................................................................................47
LIMIt N.......................................................................................................................................................................................47
OFFSEt........................................................................................................................................................................................47
EnAb. In.....................................................................................................................................................................................48
6.10 Absolute linear encoder/sensor with SSI interface............................................................................................49
ForMAt.......................................................................................................................................................................................49
StEPS...........................................................................................................................................................................................49
rES................................................................................................................................................................................................50
codE.............................................................................................................................................................................................50
Unit..............................................................................................................................................................................................50
dir..................................................................................................................................................................................................50
PrESEt.........................................................................................................................................................................................50
LIMIt P.......................................................................................................................................................................................51
LIMIt N.......................................................................................................................................................................................51
OFFSEt........................................................................................................................................................................................51
EnAb. In.....................................................................................................................................................................................51
7 - RS-232 serial interface....................................................................................................................................................53
7.1 Connection to a PC.............................................................................................................................................................53
7.2 Setting the serial port.......................................................................................................................................................53
7.3 Communication protocol.................................................................................................................................................53
7.3.1 Protocol structure..................................................................................................................................................54
SOF......................................................................................................................................................................................54
ADD.....................................................................................................................................................................................54
CMD....................................................................................................................................................................................54
ACK.....................................................................................................................................................................................54
DATA..................................................................................................................................................................................54
CHK.....................................................................................................................................................................................55
EOF......................................................................................................................................................................................55
7.3.2 Commands.................................................................................................................................................................55
TPOS...................................................................................................................................................................................56
TDEV...................................................................................................................................................................................56
RDEV...................................................................................................................................................................................56

TFOR...................................................................................................................................................................................57
RFOR...................................................................................................................................................................................57
TPPR....................................................................................................................................................................................57
RPPR...................................................................................................................................................................................57
TREV....................................................................................................................................................................................57
RREV...................................................................................................................................................................................57
TDST....................................................................................................................................................................................57
RDST...................................................................................................................................................................................57
T360...................................................................................................................................................................................57
R360...................................................................................................................................................................................57
TSTE....................................................................................................................................................................................57
RSTE....................................................................................................................................................................................57
TPIT.....................................................................................................................................................................................58
RPIT.....................................................................................................................................................................................58
TRES....................................................................................................................................................................................58
RRES...................................................................................................................................................................................58
TPRO...................................................................................................................................................................................58
RPRO..................................................................................................................................................................................58
TCOD..................................................................................................................................................................................59
RCOD..................................................................................................................................................................................59
TUNI....................................................................................................................................................................................59
RUNI...................................................................................................................................................................................59
TETZ....................................................................................................................................................................................59
RETZ....................................................................................................................................................................................59
TDIR....................................................................................................................................................................................59
RDIR....................................................................................................................................................................................59
TDEC...................................................................................................................................................................................60
RDEC...................................................................................................................................................................................60
TREF....................................................................................................................................................................................60
RREF...................................................................................................................................................................................60
TLIP.....................................................................................................................................................................................60
RLIP.....................................................................................................................................................................................60
TLIM....................................................................................................................................................................................60
RLIM...................................................................................................................................................................................60
TOFF....................................................................................................................................................................................60
ROFF...................................................................................................................................................................................60
TEIN....................................................................................................................................................................................60
REIN....................................................................................................................................................................................60
TADR...................................................................................................................................................................................61
RADR..................................................................................................................................................................................61
TRLA...................................................................................................................................................................................61
RRLA...................................................................................................................................................................................61
TVER....................................................................................................................................................................................61
ZERO...................................................................................................................................................................................61
STAR...................................................................................................................................................................................62
STOP...................................................................................................................................................................................62
“Null”.................................................................................................................................................................................62
7.3.3 Examples of using the protocol and the commands..............................................................................63
Setting the Device type..........................................................................................................................................63

Setting the Pulses per revolution......................................................................................................................63
Reading the position of the decimal separator...........................................................................................63
Reading the current position..............................................................................................................................63
Zero setting the position value..........................................................................................................................64
Starting the cyclic transmission.........................................................................................................................64
Reading the current position cyclically..........................................................................................................64
Stopping the cyclic transmission.......................................................................................................................64
8 - Application software for PC..........................................................................................................................................65
8.1 Serial communication settings......................................................................................................................................65
8.2 Selecting the encoder type.............................................................................................................................................66
8.3 Reading the encoder parameters.................................................................................................................................67
8.4 Setting the encoder parameters...................................................................................................................................67
8.5 Reading the position..........................................................................................................................................................68
8.6 Setting the absolute / relative counting mode......................................................................................................68
8.7 Reading the position cyclically......................................................................................................................................68

Subject index

Ad............................................................................................26

codE................................................................................34, 50

d_tyPE...................................................................................26

dEciMALS..............................................................28, 31, 34

dir..............................................28, 31, 34, 40, 43, 47, 50

diSt_r......................................................................27, 30, 33

EnAb. In...................................29, 32, 36, 41, 44, 48, 51

EnAbLE 0.......................................................27, 30, 43, 46

ForMAt..........................................................................33, 49

L_int.......................................................................................26

LIMIt N.....................................28, 31, 35, 41, 44, 47, 51

LIMIt P.....................................28, 31, 35, 41, 44, 47, 51

MOd 360.......................................................................27, 30

n_turnS................................................................................33

OFFSEt......................................29, 32, 35, 41, 44, 47, 51

Pitch...............................................................................40, 46

PPr...........................................................................27, 30, 33

PrESEt......................................28, 31, 35, 40, 44, 47, 50

Prtcl........................................................................................34

rES....................................................................40, 43, 46, 50

StEPS.....................................................................................49

Unit...........................................27, 30, 34, 40, 43, 46, 50

Typographic and iconographic conventions

In this guide, to make it easier to understand and read the text the following typographic and

iconographic conventions are used:

•parameters and objects both of the device and the interface are coloured in GREEN;

•alarms are coloured in RED;

•states are coloured in FUCSIA.

When scrolling through the text some icons can be found on the side of the page: they are expressly

designed to highlight the parts of the text which are of great interest and significance for the user.

Sometimes they are used to warn against dangers or potential sources of danger arising from the use of

the device. You are advised to follow strictly the instructions given in this guide in order to guarantee

the safety of the user and ensure the performance of the device. In this guide the following symbols are

used:

This icon, followed by the word WARNING, is meant to highlight the parts of the

text where information of great significance for the user can be found: user must

pay the greatest attention to them! Instructions must be followed strictly in order

to guarantee the safety of the user and a correct use of the device. Failure to heed

a warning or comply with instructions could lead to personal injury and/or damage

to the unit or other equipment.

This icon, followed by the word NOTE, is meant to highlight the parts of the text

where important notes needful for a correct and reliable use of the device can be

found. User must pay attention to them! Failure to comply with instructions could

cause the equipment to be set wrongly: hence a faulty and improper working of

the device could be the consequence.

This icon is meant to highlight the parts of the text where suggestions useful for

making it easier to set the device and optimize performance and reliability can be

found. Sometimes this symbol is followed by the word EXAMPLE when instructions

for setting parameters are accompanied by examples to clarify the explanation.

Preliminary information

This guide is designed to provide the most complete information the operator needs to correctly and

safely install and operate the LD200 universal display.

LD200 is a position display which allows to connect a variety of encoders / sensors, they can be

incremental (HTL/Push-Pull, TTL/Line Driver, Sine/Cosine 1Vpp) and absolute (SSI) as well as rotary and

linear.

User's interface is a scratch resistant polycarbonate keyboard fitted with 4 multifunction keys and a 7

segment 8 digit high brightness LED display. The device is also equipped with 3 status LEDs, 1 input and 3

digital outputs designed to operate dedicated functions.

The display provides an RS-232 interface for connection to a PC and configuration via free software tool.

Among the available functions:

•position indicators;

•absolute / relative counter;

•event transmitter.

It allows to display and scale both linear (millimeters, inches, fractional inches) and angular (degreses)

measurement values.

For technical specifications please refer to the product datasheet.

To make it easier to read the text, this guide can be divided into two main sections.

In the first section (from section 1 to section 4) general information concerning the safety, the

mechanical installation and the electrical connection.

In the second section (from section 5 to section 8) both general and specific information is given on the

operator's menu, the use of the keys, the setup procedure and the serial interface.

LD200

1 - Safety summary

1.1 Safety

Always adhere to the professional safety and accident prevention

regulations applicable to your country during device installation and

operation;

installation and maintenance operations have to be carried out by qualified

personnel only, with power supply disconnected and stationary mechanical

parts;

device must be used only for the purpose appropriate to its design: use for

purposes other than those for which it has been designed could result in

serious personal and/or the environment damage;

high current, voltage and moving mechanical parts can cause serious or

fatal injury;

warning ! Do not use in explosive or flammable areas;

failure to comply with these precautions or with specific warnings

elsewhere in this manual violates safety standards of design, manufacture,

and intended use of the equipment;

Lika Electronic assumes no liability for the customer's failure to comply with

these requirements.

1.2 Electrical safety

Turn OFF power supply before connecting the device;

connect following to explanation in the ”4 - Electrical connections” section

on page 16;

in compliance with 2014/30/EU norm on electromagnetic

compatibility, the following precautions must be taken:

- before handling and installing the equipment, discharge

electrical charge from your body and tools which may come in

touch with the device;

- power supply must be stabilized without noise; install EMC filters on

device power supply if needed;

- always use shielded cables (twisted pair cables whenever possible);

- avoid cables runs longer than necessary;

- avoid running the signal cable near high voltage power cables;

- mount the device as far as possible from any capacitive or inductive

noise source; shield the device from noise source if needed;

- minimize noise by connecting the unit to ground (GND). Make sure

that ground (GND) is not affected by noise. The connection point to

ground can be situated both on the device side and on user’s side.

The best solution to minimize the interference must be carried out

by the user.

MAN LD200 E 2.4.odt 1 - Safety summary 11 of 72

LD200

1.3 Mechanical safety

Install the device following strictly the information in the “3 - Mounting

instructions” section on page 14;

do not disassemble the unit;

do not tool the unit;

delicate electronic equipment: handle with care;

do not subject the device to knocks or shocks;

respect the environmental characteristics of the device.

MAN LD200 E 2.4.odt 1 - Safety summary 12 of 72

LD200

2 - Identification

Device can be identified through the order code and the serial number printed

on the label applied to its body. Information is listed in the delivery document

too. Please always quote the order code and the serial number when reaching

Lika Electronic for purchasing spare parts or needing assistance. For any

information on the technical characteristics of the product, refer to the

technical catalogue.

Warning: devices having order code ending with “/Sxxx” may have

mechanical and electrical characteristics different from standard

and be supplied with additional documentation for special

connections (Technical info).

MAN LD200 E 2.4.odt 2 - Identification 13 of 72

LD200

3 - Mounting instructions

WARNING

Installation and maintenance operations have to be carried out by qualified

personnel only, with power supply disconnected and mechanical parts

compulsorily in stop.

3.1 Overall dimensions

Insert the display without panel clips through the cut-out (approx. 89.5 W x 44

H mm / 3.523” W x 1.732” H) made in the panel.

Mount the panel clips on the sides of the display housing and tighten the

screws until fixed.

Values are expressed in millimeters

MAN LD200 E 2.4.odt 3 - Mounting instructions 14 of 72

LD200

3.2 Installation

The device is allowed to be installed and operated only within the permissible

temperature range (0°C +70°C / +32°F +158°F). Please ensure an adequate

ventilation and avoid any direct contact between the device and gases / liquids.

Before installation or maintenance, the unit must be disconnected from all

voltage sources. Furthermore it must be ensured that no danger can arise in the

event of contact with the disconnected voltage sources.

All selected wires and insulations must comply with the provided voltage and

temperature ranges. Furthermore all country and application specific standards

which are relevant for structure, form and quality of the wires must be ensured.

Indications about the permissible wire cross sections for wiring are described in

the product datasheet.

Before starting the unit for the first time it must be ensured that all connections

and wires are firmly plugged in and secured to the screw terminal blocks. All

terminal blocks (including unused ones) must be fastened by turning the

relevant screws clockwise up to the end position.

For placement, wiring, environmental conditions as well as shielding and

earthing/grounding of the supply lines you must comply with the general

standards stated for industrial automation industry and the specific shielding

instructions provided by the manufacturer.

3.3 Cleaning and maintenance

To clean the unit please just use a slightly damp (not wet!), soft cloth. For the

rear side no cleaning is necessary. For an unscheduled, individual cleaning of the

rear side the maintenance technicians or installation operators are self-

responsible.

During normal operation no maintenance is necessary. In case of unexpected

problems, failures or malfunctions the device must be shipped back to the

manufacturer for any checking, adjustment or repair (if necessary).

Unauthorized opening and repair operations can have negative effects or cause

failures to the protection measures of the unit.

MAN LD200 E 2.4.odt 3 - Mounting instructions 15 of 72

LD200

4 - Electrical connections

WARNING

Power supply must be turned off before performing any electrical connection!

4.1 CON6 connections (Power supply to the display)

Pin Vdc Vac

1 + 24Vdc ±20% 18Vac

2 0Vdc 18Vac

3 P.E. (GND) P.E. (GND)

4.2 CON1 connections (Mini-DIN connector)

Plug the Mini-DIN circular connector of Lika's SM2, SM25 or SM5 sensors on the

backside of the display. For more information refer to the technical

documentation of the magnetic sensors.

4.3 CON2 connections (RS-232 serial interface)

Pin Description

1not connected

2 RxD

3 TxD

4not connected

5 0Vdc

6, 7, 8, 9 not connected

For parameter setup via RS-232 interface and software tool please refer to

sections “7 - RS-232 serial interface” on page 53 and “8 - Application software

for PC” on page 65.

MAN LD200 E 2.4.odt 4 - Electrical connections 16 of 72

LD200

4.4 CON3 connections (Sine/Cosine 1Vpp)

It allows to connect a Sine/Cosine 1Vpp encoder.

Pin Description

1 0Vdc

2 +5Vdc

3 SIN + (B)

4 SIN - (/B)

5 COS + (A)

6 COS - (/A)

7 REF + (0) 1

8 REF - (/0) 1

1. Zero signal provided by the encoder can be used to activate the Preset

function. See the “5.9 Zero setting (or Preset setting)” section on page

21. To enable it set the EnAbLE 0 parameter in the specific menu to

“ON”, the counting is zero set at the rising edge of the Zero signal.

4.5 CON5 connections (Push-Pull, Line Driver, SSI)

It allows to connect an HTL/Push-Pull or a TTL/Line Driver incremental encoder /

sensor or an SSI interface absolute encoder / sensor.

Pin Description

1 0Vdc

2 +Vdc 1

3 A

4 /A

5 B

6 /B

7 0 2

8 /0 2

9 Data OUT + (SSI)

10 Data OUT - (SSI)

11 Clock IN + (SSI)

12 Clock IN - (SSI)

1. The voltage level of the power supply provided to the connected

encoder can be selected by means of jumper J1. Refer to the “4.6

Jumper J1 (Power supply to the encoder / sensor)” section in the

following page.

2. Zero signal provided by the encoder can be used to activate the Preset

function. See the “5.9 Zero setting (or Preset setting)” section on page

21. To enable it set the EnAbLE 0 parameter in the specific menu to

“ON”, the counting is zero set at the rising edge of the Zero signal.

MAN LD200 E 2.4.odt 4 - Electrical connections 17 of 72

LD200

4.6 Jumper J1 (Power supply to the encoder / sensor)

It allows to select the voltage level of the power supply provided to the

connected incremental or SSI encoder / sensor.

Position Description

Left (1-2) +Vdc = +24Vdc @ 1A

Right (2-3) +Vdc = +5Vdc @ 150mA

4.7 CON4 connections (Outputs and Input)

Pin Description

1 OUT1 +

2 OUT1 -

3 OUT2 +

4 OUT2 -

5 OUT3 +

6 OUT3 -

7 Preset Input -

8 Preset Input +

Digital outputs scheme Digital input scheme

Outputs are open collector with optocouplers, Imax = 25 mA.

Input with optocoupler, Vin max = +30Vdc.

NOTE

Some examples of use of the input and the outputs are available in the “5.10

Preset Input function (CON4, pins 7 and 8)” section on page 22 and in the “5.11

OUT 1, OUT 2, OUT 3 output function (CON4, pins 1 … 6)” section on page 23.

MAN LD200 E 2.4.odt 4 - Electrical connections 18 of 72

LD200

5 - Functions

5.1 Start up

At switching on the unit shows the hardware/software version followed by the

device address and the current position.

Hardware version Software version

Version: H xx S yy

Device address (0 … 31): Ad zz (see on page 26)

(used for RS-232 interface connection)

5.2 Function of the LEDs

The display is equipped with three LEDs, their function is described in the

following table.

LED 1 GREEN Description

OFF measurement in millimetres or degrees

ON measurement in inches or fractional inches

See the “5.8 Displaying values in millimetres / degrees / inches / fractional inches” section on

page 21

LED 2 GREEN Description

OFF absolute display mode

ON relative display mode

See the “5.5 Absolute / relative counting mode” section on page 20

LED 3 Description

no function

NOTE

During initialisation, system checks the diagnostic LEDs for proper operation;

therefore they light up for a while.

MAN LD200 E 2.4.odt 5 - Functions 19 of 72

LD200

5.3 Function of the keys

Key Function

PProgram: it allows to scroll the items in the menu

UP: it allows to change the value of the selected

digit

Shift left: it allows to select the digit and

sometimes also to change it

*Save: it allows to save data

Sometimes the keys are used in combination to execute specific functions. Refer

to the following sections.

5.4 Default parameters (factory settings)

Default parameter values are set at the factory by Lika Electronic engineers to

allow the operator to run the device for standard operation in a safe mode. They

are highlighted in BOLD characters in the description of the menus.

The unit can be reset to default values following the steps below:

hold down P and  keys while switching the device on (“dEFPAr” must

appear);

zero set the unit (see the “5.9 Zero setting (or Preset setting)“ section on

page 21).

WARNING

This action will reset all parameters to factory default values and customised

settings will be lost. After reset you will have to repeat your individual set-up

procedure.

NOTE

When you need to connect a new device to LD200 please upload the default

parameters of the display before configuring it.

5.5 Absolute / relative counting mode

Press P and * keys to switch from absolute (LED2 = OFF) to relative display

mode (LED2 = ON) and vice versa. Default display mode is “absolute”. Absolute /

relative display mode function is not active with SSI encoders / sensors.

MAN LD200 E 2.4.odt 5 - Functions 20 of 72

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Lika LD200 User manual

Lika LD200 User manual

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