Pepperl+Fuchs ENA42HD-S***-CANopen Owner's manual

Type
Owner's manual
Absolute Rotary Encoder
with CANopen Interface
FACTORY AUTOMATION
MANUAL
With regard to the supply of products, the current issue of the following document is ap-
plicable: The General Terms of Delivery for Products and Services of the Electrical Indus-
try, published by the Central Association of the Electrical Industry (Zentralverband
Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the
supplementary clause: "Expanded reservation of proprietorship"
Absolute Rotary Encoder
Absolute Rotary Encoder
3
1 Introduction................................................................................. 8
1.1 Content of this Document ................................................................... 8
1.2 Target Group, Personnel...................................................................... 8
1.3 Symbols Used ...................................................................................... 8
2 Declaration of conformity ........................................................ 10
2.1 CE conformity..................................................................................... 10
3 Safety ......................................................................................... 11
3.1 Symbols relevant to safety................................................................ 11
3.2 Intended Use ...................................................................................... 11
3.3 General safety instructions ............................................................... 11
4 General Information on System Integration ........................... 12
4.1 Using this Manual .............................................................................. 12
4.2 General CANopen Information .......................................................... 12
5 Installation of Photoelectric Absolute Rotary Encoder ........ 14
5.1 Signal Assignment of Terminal Block .............................................. 14
5.2 Signal Assignment of Connector and Cable Variants .................... 16
5.3 Activation of the Terminator.............................................................. 17
5.4 Installation Hints for Cabling ............................................................ 17
5.5 Setting of Node Number and Baud Rate in the Bus Cover ............ 17
5.6 Status of the Bus Cover LEDs........................................................... 19
6 Installation of Magnetic Absolute Rotary Encoder ............... 21
6.1 Signal Assignment of Connector and Cable Variants .................... 21
6.2 Activation of Terminator .................................................................... 21
6.3 Setting of Node Number and Baud Rate.......................................... 21
6.4 Status of the LEDs.............................................................................. 22
4
Absolute Rotary Encoder
7 Quick Start Guide ..................................................................... 23
7.1 Configure the Absolute Rotary Encoder for Integration
into a CAN Network ............................................................................23
7.2 Configure application-specific encoder Parameters ......................25
8 Configuration ............................................................................ 29
8.1 Operating Modes ................................................................................29
8.1.1 General............................................................................................. 29
8.1.2 Mode: Pre-operational...................................................................... 29
8.1.3 Mode: Start - Operational ................................................................. 29
8.1.4 Mode: Stopped................................................................................. 29
8.1.5 Reinitialization of the Rotary Encoder............................................... 29
8.2 Normal Operating ...............................................................................30
8.3 Storing Parameter............................................................................... 31
8.3.1 List of storable Parameters............................................................... 31
8.3.2 Storing Procedure ............................................................................ 31
8.4 Restoring Parameters ........................................................................32
8.5 Usage of Layer Setting Services (LSS) ............................................32
9 Programmable Parameters...................................................... 34
9.1 Programming example: Preset Value ...............................................35
9.1.1 Set Encoder Preset Value................................................................. 35
9.2 Communication Profile DS301 specific objects
from 1000h – 1FFFh ........................................................................... 36
9.3 Manufacturer specific objects from 2000h – 5FFFh........................37
9.4 Application specific objects from 6000h – 67FEh...........................38
Absolute Rotary Encoder
5
9.5 Object Descriptions ........................................................................... 39
9.5.1 Object 1000h: Device Type .............................................................. 39
9.5.2 Object 1001h: Error Register ........................................................... 39
9.5.3 Object 1003h: Pre-Defined Error Field ............................................. 39
9.5.4 Object 1005h: COB-ID Sync ............................................................ 40
9.5.5 Object 1008h: Manufacturer Device Name ...................................... 40
9.5.6 Object 1009h: Manufacturer Hardware Version ............................... 40
9.5.7 Object 100Ah: Manufacturer Software Version ................................ 40
9.5.8 Object 100Ch: Guard Time .............................................................. 41
9.5.9 Object 100Dh: Life Time Factor ....................................................... 41
9.5.10 Object 1010h: Store Parameters ...................................................... 41
9.5.11 Object 1011h: Restore Parameters.................................................. 41
9.5.12 Object 1012h: COB-ID Time Stamp Object...................................... 42
9.5.13 Object 1013h: High Resolution Time Stamp .................................... 42
9.5.14 Object 1014h: COB-ID Emergency Object....................................... 42
9.5.15 Object 1016h: Consumer Heartbeat Time ....................................... 42
9.5.16 Object 1017h: Producer Heartbeat Time ......................................... 43
9.5.17 Object 1018h: Identity Object .......................................................... 43
9.5.18 Object 1020h: Verify Configuration .................................................. 43
9.5.19 Object 1029h: Error Behavior........................................................... 43
9.5.20 Object 1800h: 1st Transmit PDO Communication Parameter........... 44
9.5.21 Object 1801h: 2nd Transmit PDO Communication Parameter ......... 44
9.5.22 Object 1A00h: 1st Transmit PDO Mapping Parameter ..................... 45
9.5.23 Object 1A01h: 2nd Transmit PDO Mapping Parameter .................... 45
9.5.24 Object 1F50h: Download Program Area .......................................... 46
9.5.25 Object 2000h: Position Value ........................................................... 46
9.5.26 Object 2100h: Operating Parameters............................................... 46
9.5.27 Object 2101h: Resolution per Revolution......................................... 47
9.5.28 Object 2102h: Total Resolution ........................................................ 47
9.5.29 Object 2103h: Preset Value ............................................................. 48
9.5.30 Object 2104h: Limit Switch, min....................................................... 48
9.5.31 Object 2105h: Limit Switch, max...................................................... 48
9.5.32 Object 2160h: Customer Storage..................................................... 49
9.5.33 Object 2200h: Cyclic Timer PDO ..................................................... 49
9.5.34 Object 2300h: Save Parameter with Reset ....................................... 49
9.5.35 Object 2600h: High-Resolution Postion Value ................................. 50
9.5.36 Object 3000h: Node Number ........................................................... 50
9.5.37 Object 3001h: Baud Rate................................................................. 51
6
Absolute Rotary Encoder
9.5.38 Object 3002h: Terminator ................................................................. 51
9.5.39 Object 3003h: Auto Baud Detection ................................................. 51
9.5.40 Object 3005h: Auto Boot up ............................................................. 52
9.5.41 Object 3010h: Speed Control........................................................... 53
9.5.42 Object 3011h: Speed Value.............................................................. 53
9.5.43 Object 3020h: Acceleration Control.................................................. 53
9.5.44 Object 3021h: Acceleration Control.................................................. 53
9.5.45 Object 3030h: Backward Compatible Mode ..................................... 54
9.5.46 Object 3040h: Life Cycle Counter..................................................... 55
9.5.47 Object 3050h: Time Stamp Position Value........................................ 55
9.5.48 Object 4000h: Bootloader Control.................................................... 55
9.5.49 Object 4010h: PPR Incremental Encoder......................................... 56
9.5.50 Object 4020h: A/B Phase Shift ......................................................... 56
9.5.51 Object 6000h: Operating Parameters ............................................... 56
9.5.52 Object 6001h: Measuring Units per Revolution ................................ 57
9.5.53 Object 6002h: Total Measuring Range in Measuring Units ............... 57
9.5.54 Object 6003h: Preset Value.............................................................. 57
9.5.55 Object 6004h: Position Value ........................................................... 57
9.5.56 Object 6008h: High Resolution Position Value ................................. 58
9.5.57 Object 6030h: Speed Value.............................................................. 58
9.5.58 Object 6040h: Acceleration Value .................................................... 59
9.5.59 Object 6200h: Cyclic Timer .............................................................. 59
9.5.60 Object 6300h: Cam State Register ................................................... 60
9.5.61 Object 6301h: Cam Enable Register ................................................ 60
9.5.62 Object 6302h: Cam Polarity Register................................................ 60
9.5.63 Object 6400h: Area State Register ................................................... 63
9.5.64 Object 6401h: Work Area Low Limit ................................................. 63
9.5.65 Object 6402h: Work Area High Limit ................................................ 64
9.5.66 Object 6500h: Operating Status ....................................................... 64
9.5.67 Object 6501h: Singleturn Resolution................................................ 64
9.5.68 Object 6502h: Number of Distinguishable Revolutions..................... 64
9.5.69 Object 6503h: Alarms....................................................................... 65
9.5.70 Object 6504h: Supported Alarms ..................................................... 65
9.5.71 Object 6505h: Warnings................................................................... 65
9.5.72 Object 6506h: Supported warnings .................................................. 66
9.5.73 Object 6507h: Profile and Software Version ..................................... 66
9.5.74 Object 6508h: Operating Time ......................................................... 67
9.5.75 Object 6509h: Offset Value............................................................... 67
Absolute Rotary Encoder
7
9.5.76 Object 6509h: Module identification................................................. 67
9.5.77 Object 650Bh: Serial Number .......................................................... 67
10 Troubleshooting........................................................................ 68
10.1 What to Do in Case of a Fault............................................................ 68
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Absolute Rotary Encoder
Introduction
1Introduction
1.1 Content of this Document
This document contains information that you need in order to use your product throughout the
applicable stages of the product life cycle. These can include the following:
â– 
Product identification
â– 
Delivery, transport, and storage
â– 
Mounting and installation
â– 
Commissioning and operation
â– 
Maintenance and repair
â– 
Troubleshooting
â– 
Dismounting
â– 
Disposal
The documentation consists of the following parts:
â– 
Present document
â– 
Datasheet
Additionally, the following parts may belong to the documentation, if applicable:
â– 
EU-type examination certificate
â– 
EU declaration of conformity
â– 
Attestation of conformity
â– 
Certificates
â– 
Control drawings
â– 
Additional documents
1.2 Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation, maintenance, and
dismounting lies with the plant operator.
Only appropriately trained and qualified personnel may carry out mounting, installation,
commissioning, operation, maintenance, and dismounting of the product. The personnel must
have read and understood the instruction manual and the further documentation.
Prior to using the product make yourself familiar with it. Read the document carefully.
1.3 Symbols Used
This document contains symbols for the identification of warning messages and of informative
messages.
Warning Messages
You will find warning messages, whenever dangers may arise from your actions. It is mandatory
that you observe these warning messages for your personal safety and in order to avoid
property damage.
Depending on the risk level, the warning messages are displayed in descending order as
follows:
Note!
For full information on the product, refer to the further documentation on the Internet at
www.pepperl-fuchs.com.
Absolute Rotary Encoder
Introduction
2017-04
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Informative Symbols
Action
This symbol indicates a paragraph with instructions. You are prompted to perform an action or
a sequence of actions.
Danger!
This symbol indicates an imminent danger.
Non-observance will result in personal injury or death.
Warning!
This symbol indicates a possible fault or danger.
Non-observance may cause personal injury or serious property damage.
Caution!
This symbol indicates a possible fault.
Non-observance could interrupt the device and any connected systems and plants, or result in
their complete failure.
Note!
This symbol brings important information to your attention.
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Absolute Rotary Encoder
Declaration of conformity
2 Declaration of conformity
2.1 CE conformity
This product was developed and manufactured under observance of the applicable European
standards and guidelines.
Note!
A declaration of conformity can be requested from the manufacturer.
Absolute Rotary Encoder
Safety
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3Safety
3.1 Symbols relevant to safety
3.2 Intended Use
Absolute rotary encoders detect the rotation angle -and, in the case of a multiturn absolute
rotary encoder, the revolutions of the rotary encoder shaft- with high precision and resolution.
The absolute position value derived from this is provided by the rotary encoder via the
CANopen interface in accordance with the standard DS406. The rotary encoder is to be
integrated into a CANopen network and should be used only in this way. Typical applications
include positioning tasks and length measurement, for example for cranes, construction
machinery, elevators, and packaging machines.
Read through these instructions thoroughly. Familiarize yourself with the device before
installing, mounting, or operating.
Always operate the device as described in these instructions to ensure that the device and
connected systems function correctly. The protection of operating personnel and plant is only
guaranteed if the device is operated in accordance with its intended use.
3.3 General safety instructions
Responsibility for planning, assembly, commissioning, operation, maintenance, and
dismounting lies with the plant operator.
Installation and commissioning of all devices may only be performed by trained and qualified
personnel.
User modification and or repair are dangerous and will void the warranty and exclude the
manufacturer from any liability. If serious faults occur, stop using the device. Secure the device
against inadvertent operation. In the event of repairs, return the device to your local
Pepperl+Fuchs representative or sales office.
Danger!
This symbol indicates an imminent danger.
Non-observance will result in personal injury or death.
Warning!
This symbol indicates a possible fault or danger.
Non-observance may cause personal injury or serious property damage.
Caution!
This symbol indicates a possible fault.
Non-observance could interrupt the device and any connected systems and plants, or result in
their complete failure.
Note!
Disposal
Electronic waste is hazardous waste. When disposing of the equipment, observe the current
statutory requirements in the respective country of use, as well as local regulations.
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Absolute Rotary Encoder
General Information on System Integration
4 General Information on System Integration
4.1 Using this Manual
This manual explains how to install and configure the photoelectric and magnetic absolute
rotary encoders with CANopen interface applicable for industrial applications with CANopen
interface.
Magnetic absolute rotary encoders are fully compliant with standard DS406.
Photoelectric absolute rotary encoders are fully compliant with following CiA standards:
â– 
DS301V402 CANopen Application Layer
â– 
DR303-1 Cabeling and connector pin assignment
â– 
DR303-3 CANopen indicator specification
â– 
DS305V200 CANopen Layer Setting Service
â– 
DS306V1R3 Electronic datasheet specification
â– 
DS406V32 Device Profile for Encoders
Measuring System for Photoelectric Absolute Rotary Encoders
The measuring system consists of a light source, a code disc pivoted in a precision ball bearing
and an opto-electronic scanning device. A LED is used as a light source which shines through
the code disc and onto the screen behind. The tracks on the code disk are evaluated by an
optoarray behind the reticle.
With every position another combination of slashes in the reticle is covered by the dark spots
on the code disk and the light beam on the photo transistor is interrupted. That way the code on
the disc is transformed into electronic signals. Fluctuations in the intensity of the light source
are measured by an additional photo transistor and another electronic circuit compensates for
these. After amplification and conversion the electronic signals are available for evaluation.
Measuring System for Magnetic Absolute Rotary Encoders
Magnetic rotary encoder determine positions using the Hall effect sensor technology
developed for the automotive mass market. A permanent magnet fixed to the shaft generates a
magnetic field that is sampled by the Hall sensor, which translates the measured value into a
unique absolute position value.
To register revolutions even when no voltage is applied, energy from the turning of the shaft
must suffice for proper operation. An innovative, patented technology makes this feasible even
at low rotational speeds and through long standstill periods – a Wiegand wire ensures that the
magnetic field can only follow the turning of the shaft in discrete steps. A coil wound on the
Wiegand wire receives only brief, strong voltage spikes, which prompt the reliable recognition
of each revolution.
4.2 General CANopen Information
CANopen system is used in industrial applications. It is a multiple access system (maximum:
127 participants), which means that all devices can access the bus. In simple terms, each
device checks whether the bus is free, and if it is the device is able to send messages. If two
devices try to access the bus at the same time, the device with the higher priority level (lowest
ID number) has permission to send its message.
Note!
Further information on technical data, mechanical data, connection layouts, and available
connection lines for the relevant absolute rotary encoder types can be found in the
corresponding datasheet.
Absolute Rotary Encoder
General Information on System Integration
2017-04
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Devices with the lowest priority level must delay their data transfer and wait before retrying to
send their message. Data communication is carried out via messages. These messages
consist of 1 COB-ID followed by a maximum of 8 bytes of data. The COB-ID, which determines
the priority of the message, consists of a function code and a node number. The node number
corresponds to the network address of the device. It is unique on a bus. The function code
varies according to the type of message being sent:
â– 
Management messages (LMT, NMT)
â– 
Messaging and service (SDOs)
â– 
Data exchange (PDOs)
â– 
Layer Setting Services (LSS)
â– 
Predefined messages (synchronization, emergency messages)
The absolute rotary encoder supports the following operating modes:
â– 
Polled mode: The position value is only sent on request.
â– 
Cyclic mode: The position value is sent cyclically (regular, adjustable interval) on the bus.
â– 
SYNC mode: The position value is sent after a synchronization message (SYNC) is
received. The position value is sent every n SYNCs (n . 1).
Other functions (offset values, resolution, etc) can be configured. The absolute rotary encoder
corresponds to the class 2 encoder profile (DS 406 in which the characteristics of encoder with
CANopen interface are defined). The node number and speed in bauds are determined by
their corresponding object dictionary entries.
The transmission speed can range from 20 kBaud up to 1Mbaud (30 m cable for a maximum
speed of 1Mbaud, 1000 m cable for a maximum speed of 20 kbaud). Various software tools for
configuration and parameter-setting are available from different suppliers. It is easy to align and
program the rotary encoders using the EDS (electronic data sheet) configuration file provided
on the Pepperp+Fuchs internet page www.pepperl-fuchs.com
Further Information is available at:
CAN in Automation (CiA) International Users and Manufacturers Group e.V.
Kontumazgarten 3
DE-90429 Nurenberg
(*) Reference: CAN Application Layer for Industrial Applications
CAL-based Communication Profile for Industrial Systems
â– 
CiA Draft Standard 301
â– 
CiA Draft Standard 305 Layer Setting Services
â– 
CiA Draft Standard 406 Device Profile for Encoders
Note!
All datasheets and manuals can be downloaded for free from our website www.pepperl-
fuchs.com
We do not assume responsibility for technical inaccuracies or omissions. Specifications are
subject Note to change without notice.
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Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
5 Installation of Photoelectric Absolute Rotary Encoder
The following chapter describes all aspects helpful for installation of photoelectric absolute
rotary encoders with bus cover. Depending on the rotary encoder model there are the following
connection variants:
â– 
Rotary encoder with bus cover equipped with cable glands
â– 
Rotary encoder with bus cover equipped with a cable exit
â– 
Rotary encoder with bus cover equipped with one or two M12x1 connectors, 5-pin
Bus cover features like node number adressing, baud rate setting and activation of termination
resistor are identical for all these variants.
5.1 Signal Assignment of Terminal Block
The rotary encoder is connected with two or three cables depending on whether the power
supply is integrated into the bus cable or connected separately. If the power supply is
integrated into the bus cable, one of the cable glands can be fitted with a plug. The cable
glands are suitable for cable diameters from 6.5 up to 9 mm.
Figure 5.1
Te r m i na l Description
Ground
+24 V Supply Voltage
-0 V Supply Voltage
GCAN Ground
LCAN Low (Bus In)
HCAN High (Bus In)
G* CAN Ground
L* CAN Low (Bus Out)
H* CAN High (Bus Out)
Table 5.1 * are not connected, if terminator is ON
ON
T
G
H
-+ G
x10Bd x1
LLH
8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1
R
Te r m i n a t o r
Bus In Bus Out
RS 485 Interface
Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
2017-04
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Bus Connection
The bus cover fulfills the function of a T-coupler. From there the wiring must be done according
to figure you find before. Please note the assignment of incoming and outgoing bus signals.
Caution!
Activated bus termination separates "Bus in" and "Bus out"
Non-observance of separation of "Bus in" and "Bus out" causes interferences on the CANopen
bus.
If you activate the bus termination on the rotary encoder ensure that the rotary encoder is the
last CANopen bus participant in the bus line.
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Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
5.2 Signal Assignment of Connector and Cable Variants
The rotary encoders with cable- and connector-exit were designed in accordance to CiA
normative DR303-1 cabeling and connector pin assignment. They also have a removable bus
cover with all possibilities to set node number, baud rate and acitvate terminator.
Figure 5.2
The following table shows an assignment of the different connecting types (cable, connectors)
to the terminals of the bus cover.
Te r m i na l Description Cable M12 plug, 5-pin M12 socket, 5-pin
(-) - Power supply 1 3 3
(+) + Power supply 2 2 2
LCAN Low (Bus In) 3 5
HCAN High (Bus In) 4 4
GCAN Ground 5 1
L* CAN Low (Bus Out) 6 5
H* CAN High (Bus Out) 7 4
G* CAN Ground 8 1
Ground connection of
encoder housing
green/
yellow
Table 5.2 * are not connected, if terminator is ON
ON
T
G
H
-+ G
x10Bd x1
LLH
8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1
R
Te r m i n a t o r
Bus In Bus Out
RS 485 Interface
1
3
4
5
2
1
5
3
2
4
Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
2017-04
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5.3 Activation of the Terminator
There is a terminator provided in the bus cover, which must be used as a line termination on the
last device. The terminator is switched on when the switch is in the "ON position" (see figure
before).
5.4 Installation Hints for Cabling
Cable Connection with Cable Gland
1. Remove screw, sealing and cone from the cable gland.
Figure 5.3
2. Remove 55 mm of the sheath and 50 mm of the shielding. About 5 mm of the wires should
be de-isolated.
3. Put screw and sealing on the cable.
4. The cone should be mounted under the shielding according to the figure before. Put the
whole cable into the cable gland and tighten the screw.
Minimization of Signal Interferences
Both the cable shielding and the metal housings of rotary encoders and subsequent
electronics have a shielding function. The housing must have the same potential and be
connected to the main signal ground over the machine chassis or by means of a separate
potential compensating line. Potential compensating lines should have a minimum cross
section of 6 mm
2
.
Do not lay signal cable in the direct vicinity of interference sources (air clearance > 100 mm (4
in.))
A minimum spacing of 200 mm (8 in.) to inductors is usually required, for example in switch-
mode power supplies.
Configure the signal lines for minimum length and avoid the use of intermediate terminals.
Shielded fieldbus cables shall be used! The shield must be grounded according to EMI rules!
In metal cable ducts, sufficient decoupling of signal lines from interference signal transmitting
cable can usually be achieved with a grounded partition.
5.5 Setting of Node Number and Baud Rate in the Bus Cover
Caution!
Activated bus termination separates "Bus in" and "Bus out".
Non-observance of separation of "Bus in" and "Bus out" causes interferences on the CANopen
bus.
If you activate the bus termination on the rotary encoder ensure that the rotary encoder is the
last CANopen bus participant in the bus line.
Note!
Setting of node number and baud rate has to be done via software if Bd rotary switch is set to 9.
SDO objects and Layer Setting Services (LSS) are provided for this purpose.
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Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
Setting Node Number
The setting of the node number is done by turning the BCD coded rotary switches x10 and x1
in the bus cover. Possible (valid) addresses lie between 0 and 89 whereby every address can
only be used once.
Figure 5.4
Possible device address 0 ... 89.
Addresses 90 ... 99 are reserved.
Setting Baud Rate
The setting of the baud rate is done by turning the Bd rotary switch in the bus cover. The
following baud rates are possible:
BCD coded rotary switch Description
x1 single digits of address
X10 tens of address
ON
T
G
H
-+ G
x10Bd x1
LLH
8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1 8
7
2
654
3
0
9 1
R
Te r m i n a t o r
Bus In Bus Out
RS 485 Interface
Note!
Internally the CANopen rotary encoder adds 1 to the adjusted device address.
BCD coded rotary switch Baudrate in kBit/s
020
150
2100
3125
4250
5500
6800
71000
8reserved
9Sets SDO and LSS mode
Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
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5.6 Status of the Bus Cover LEDs
The LED behaviour was designed in accordance to the CiA normative DR 303-3 CANopen
indicator specification.
Figure 5.5
CAN Run LED State Description
Flickering AutoBitrate / LSS Auto-bitrate detection is in progress or LSS
services are in progress
Blinking PRE-OPERATIONAL The encoder is in state PRE-OPERATIONAL
Single flash STOPPED The encoder is in state STOPPED
Double flash reserved
Triple flash Program / Firmware
download
A software download is running on the encoder
On OPERATIONAL The encoder is in state OPERATIONAL
Err LED State Description
Off No error The encoder is in working condition
Flickering AutoBitrate / LSS Auto-bitrate detection is in progress or LSS
services are in progress
Blinking Invalid configuration General configuration error
Single flash Warning limit reached At least one of the error counters of the CAN
controller has reached or exceeded the warning
level (too many error frames)
Double flash Error control event A guard event (NMT-slave or NMT-master) or a
heartbeat event (heartbeat consumer) has
occured
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Absolute Rotary Encoder
Installation of Photoelectric Absolute Rotary Encoder
Triple fla sh Sync. error The sync. message has not been received within
the configured communication cycle period time
out (see objekt 1006h)
Quadruple flash Error, event-timer An expected PDO has not been received before
the even-timer elapsed
On Bus off The CAN controller is bus off
Err LED State Description
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Pepperl+Fuchs ENA42HD-S***-CANopen Owner's manual

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