Omega STM23 Series Owner's manual

Omega
Brand
Omega
Model
STM23 Series
Category
Networking
Type
Owner's manual
1
STM23
Hardware Manual
920-0021F
2/14/2012
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Contents
Introduction ...................................................................................................................................................................................................................................................................................3
Features ..............................................................................................................................................................................................................................................................................................3
Block Diagram - STM23S/Q/IP ...................................................................................................................................................................................................................................... 5
Block Diagram - STM23C ..................................................................................................................................................................................................................................................6
Safety Instructions .....................................................................................................................................................................................................................................................................7
Geing Started ...........................................................................................................................................................................................................................................................................8
Mounting the Motor+Drive ............................................................................................................................................................................................................................................ 8
Choosing a Power Supply ................................................................................................................................................................................................................................................9
Voltage ............................................................................................................................................................................................................................................................................................... 9
Current ...........................................................................................................................................................................................................................................................................................10
Connecting the Power Supply .................................................................................................................................................................................................................................14
Connecting the STM23 Communications ..................................................................................................................................................................................................... 16
Connecting to a PC Using RS-232 ........................................................................................................................................................................................................................ 16
Connecting to a Host Using RS-422/485 .......................................................................................................................................................................................................16
Four-Wire Conguration ................................................................................................................................................................................................................................................17
Two-Wire Conguration ................................................................................................................................................................................................................................................18
Assigning RS-485 Addresses ......................................................................................................................................................................................................................................18
Connecting to an STM23 using USB ..................................................................................................................................................................................................................19
Connecting the Drive to Your PC using Ethernet ...................................................................................................................................................................................20
Addresses, Subnets, and Ports .................................................................................................................................................................................................................................. 20
Option 1: Connect a Drive to Your Local Area Network ..............................................................................................................................................................22
Option 2: Connect a Drive Directly to Your PC .....................................................................................................................................................................................25
Option 3: Use Two Network Interface Cards (NICs) ........................................................................................................................................................................27
STM23 Inputs and Outputs........................................................................................................................................................................................................................................28
High Speed Digital Inputs .............................................................................................................................................................................................................................................30
e Enable (EN) Digital Input.....................................................................................................................................................................................................................................32
Analog Input ............................................................................................................................................................................................................................................................................. 33
Programmable Output.....................................................................................................................................................................................................................................................34
Reference Materials ............................................................................................................................................................................................................................................................36
Mechanical Outlines .......................................................................................................................................................................................................................................................... 36
Technical Specications .................................................................................................................................................................................................................................................. 40
Torque-Speed Curves .................................................................................................................................................................................................................................................... 43
Drive/Motor Heating ........................................................................................................................................................................................................................................................ 44
Mating Connectors and Accessories ..................................................................................................................................................................................................................46
LED Error Codes ...................................................................................................................................................................................................................................................................47
Contacting Applied Motion Products ...............................................................................................................................................................................................................48
2
STM23 Hardware Manual
920-0021F
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Introduction
ank you for selecting the Applied Motion Products STM23 Motor+Drive. We hope our dedication to perfor-
mance, quality and economy will make your motion control project successful. If there’s anything we can do to im-
prove our products or help you use them beer, please call or fax. We’d like to hear from you. Our phone number
is (800) 525-1609, or you can reach us by fax at (831) 761-6544. You can also email support@applied-motion.com.
Features
• Programmable, micro-stepping digital Step Motor+Driver in an integrated package
• Operates from a 12 to 70 volt DC power supply
• Operates in velocity or position mode
• Mid-band anti-resonance
• Accepts analog signals, digital signals and RS-232 serial commands
• Step input signal smoothing
• Q programming over Ethernet and Ethernet/IP models
• RS-422/485 communication models
• Optional encoder feedback
• STM23S/Q-2 delivers up to 125 oz-in
• STM23S/Q-3 delivers up to 210 oz-in
• 3 - optically isolated, 5 to 24 volt digital inputs
• Input ltering both hardware and soware
• 1 - optically isolated, 30V 40ma digital output
• 1 - 0 to 5V analog input for speed and position control
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Available model numbers:
STM23S-2AE STM23Q-2AE
STM23S-2AN STM23Q-2AN
STM23S-2EE STM23Q-2EE
STM23S-2EN STM23Q-2EN
STM23S-2RE STM23Q-2RE
STM23S-2RN STM23Q-2RN
STM23S-3AE STM23Q-3AE
STM23S-3AN STM23Q-3AN
STM23S-3EE STM23Q-3EE
STM23S-3EN STM23Q-3EN
STM23S-3RE STM23Q-3RE
STM23S-3RN STM23Q-3RN
STM23IP-2EE STM23C-3CE
STM23IP-2EN STM23C-3CN
STM23IP-3EE
STM23IP-3EN
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Block Diagram
MOSFET
PWM
Power
Amplifier
12-70 VDC
External
Power Supply
Voltage
Temp
Det.
Over
Current
Det.
motor
encoder
5 Volt DC
Power Supply
DSP
Driver
Controller
3.3VDC
Internal
Logic
Supply
STM23S/Q/IP
Optical
Iso
I/O Connector
+
Optical
Iso
Optical
Iso
STEP+
+5VDC (50ma Max)
GND
Digital
Filter
Digital
Filter
Digital
Filter
Software
Filter
Software
Filter
Software
Filter
STEP (5 to 24 Volts)
: Step Input
: Jog CW
: Limit CW
: Start/Stop
: General Purpose
DIR (5 to 24 Volts)
: Direction Input
: Jog CCW
: Limit CCW
: General Purpose
EN (5 to 24 Volts)
: Enable Input
: Reset Input
: Change Speed
: General Purpose
I/O Configurations
Status
AIN
Optical
Iso
RS-232 or RS-485
or Ethernet
Comm
Conn
Power
Conn
GND
+5V
STEP-
DIR+
DIR-
EN+
EN-
OUT+
OUT-
RS-232
TX, RX, GND, +5V
or
RS-485
RX+, RX-, TX+, TX-, GND
or 100 Mbit Ethernet
-
OUT (30V, 40ma)
: Brake Output
: Alarm Output
: Motion Output
:Tach Output
: General Purpose
Optional
Block Diagram - STM23S/Q/IP
I/O Congurations
STEP (5 to 24 Volts) DIR (5 to 24 Volts) EN (5 to 24 Volts) OUT (30V, 40mA)
Step Input Direction Input Enable Input Brake Output
Jog CW Jog CCW Reset Input Alarm Output
Limit CW Limit CCW Change Speed Motion Output
Start/Stop General Purpose General Purpose Tach Output
General Purpose General Purpose
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12-70 VDC
External
Power Supply
Voltage &
Temp
Monitor
motor
encoder
encoder
5 Volt DC
Power Supply
DSP
Driver
Controller
3.3VDC
Logic
Supply
+
IN1+
Status
IN1
-
IN2+
IN2
-
IN3+
IN3
-
OUT+
OUT
-
GND
GND
+5VDC
+5V
RS-232
Configuration
Port
-
Optional
Power
Conn
Comm
Conn
I/O Connector
RS-232
CANopen
Network
CAN
Conn
CANopen
Controller
Digital
Filter
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
Software
Filter
Optical
Isolation
Software
Filter
Over-
Current
Monitor
MOSFET
PWM
Power
Amplifier
Node ID
Bit Rate
4
3
2
1
0
F
E
D
C
B
A
9
8
7
6
5
5
0
4
9
3
8
2
7
1
6
Block Diagram - STM23C
I/O Functions (congure in software)
IN1 IN2 IN3 OUT
Clockwise Limit Counterclockwise Limit Home Sensor Fault
General Purpose Input General Purpose Input Enable Input Brake
General Purpose Input Motion
Tach
General Purpose Output
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Safety Instructions
Only qualied personnel are permied to transport, assemble, commission, and maintain this equipment. Prop-
erly qualied personnel are persons who are familiar with the transport, assembly, installation, commissioning and
operation of motors, and who have the appropriate qualications for their jobs. e qualied personnel must know
and observe the following standards and regulations:
IEC 364 resp. CENELEC HD 384 or DIN VDE 0100
IEC report 664 or DIN VDE 0110
National regulations for safety and accident prevention or VBG 4
To minimize the risk of potential safety problems, you should follow all applicable local and national codes that reg-
ulate the installation and operation of your equipment. ese codes vary from area to area and it is your responsi-
bility to determine which codes should be followed, and to verify that the equipment, installation, and operation
are in compliance with the latest revision of these codes.
Equipment damage or serious injury to personnel can result from the failure to follow all applicable codes and stan-
dards. We do not guarantee the products described in this publication are suitable for your particular application,
nor do we assume any responsibility for your product design, installation, or operation.
• Read all available documentation before assembly and commissioning. Incorrect handling of products in this
manual can result in injury and damage to persons and machinery. Strictly adhere to the technical information
on the installation requirements.
• It is vital to ensure that all system components are connected to earth ground. Electrical safety is impossible
without a low-resistance earth connection.
• e STM23 drives contain electrostatically sensitive components that can be damaged by incorrect han-
dling. Discharge yourself before touching the product. Avoid contact with high insulating materials (articial
fabrics, plastic lm, etc.). Place the product on a conductive surface.
• During operation keep all covers and cabinet doors shut. Otherwise, there are deadly hazards that could
possibility cause severe damage to health or the product.
• In operation, depending on the degree of enclosure protection, the product can have bare components
that are live or have hot surfaces. Control and power cables can carry a high voltage even when the motor is
not rotating.
• Never pull out or plug in the product while the system is live. ere is a danger of electric arcing and danger
to persons and contacts.
• Aer powering down the product, wait at least ten minutes before touching live sections of the equipment
or undoing connections (e.g., contacts, screwed connections). Capacitors can store dangerous voltages for long
periods of time aer power has been switched o. To be safe, measure the contact points with a meter before
touching.
Be alert to the potential for personal injury. Follow the recommended precautions and safe operating practices
included with the alert symbols. Safety notices in this manual provide important information. Read and be familiar
with these instructions before aempting installation, operation, or maintenance. e purpose of this section is to
alert users to possible safety hazards associated with this equipment and the precautions that need to be taken to
reduce the risk of personal injury and damage to the equipment.
Failure to observe these precautions could result in serious bodily injury, damage to the equipment,or operational
diculty.
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Geing Started
is manual describes the use of dierent drive models. What you need to know and what you must have depends
on the drive model. For all models, you’ll need the following:
• a 12 - 70 volt DC power supply. Please read the section entitled Choosing a Power Supply for help in
choosing the right power supply.
• a small at blade screwdriver for tightening the connectors (included).
• a personal computer running Microso Windows 98, 2000, NT, Me , XP, Vista or 7.
•
ST Congurator
™ and
Q Programmer
™ soware applications, available at hp://www.applied-motion.com/
products/soware.
• An Applied Motion programming cable (included in RS-232 Models, RS-485 converters are available from
AMP) or a CAT5 patch cable for Ethernet models.
If you’ve never used an STM23 drive before you’ll need to get familiar with the drive and the set up soware be-
fore you try to deploy the system in your application. We strongly recommend the following:
1. For Q/IP/C models, download and install the
ST Congurator
™ and
Q Programmer
™ soware applications,
available at www.applied-motion.com/products/soware. For S models, install the
ST Congurator
™.
2. Launch the soware by clicking Start...Programs...Applied Motion...
3. Connect the drive to your PC using the programming cable. When using RS-485, it must be set up in the
4-Wire conguration (See “Connecting to a host using RS-485” below). For Ethernet models, connect directly to
your PC’s Ethernet port or connect the STM23 to a router or switch. See page 20 for more information.
4. Connect the drive to the power supply.
5. Apply power to the drive.
6. e soware will recognize your drive, display the model and rmware version and be ready for action.
Mounting the Motor+Drive
As with any stepper motor the STM23 motors must be mounted so as to provide maximum heat-sinking and air-
ow. Keep space around the STM23 Motor+Drive to allow convected air-ow.
• Never use your drive in a space where there is no air ow or where other devices cause the sur-
rounding air to be more than 40°C.
• Never put the drive where it can get wet or where metal or other electrically conductive particles
can get on the circuitry.
• Always provide air-ow around the drive.
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Choosing a Power Supply
When choosing a power supply, there are many things to consider. If you are manufacturing
equipment that will be sold to others, you probably want a supply with all the safety agency approvals. If size and
weight are an issue use a switching supply.
You must also decide what size of power supply (in terms of voltage and current) is needed for your application.
Voltage
e STM23 series drives are designed to give optimum performance between 24 and 48 volts DC. Choosing the
voltage depends on the performance needed and Motor+Drive heating that is acceptable and/or does not cause
a drive over-temperature. Higher voltages will give higher speed performance but will cause the Motor+Drive to
operate at higher temperatures. Using power supplies with voltage outputs that are near the drive maximum may
reduce the operational duty-cycle signicantly. See the chart below to determine thermal performance at dierent
power supply voltages
If you choose an unregulated power supply, make sure the no load voltage of the supply
does not exceed the drive’s maximum input voltage specication.
STM23-3 Max Duty cycle vs Speed
5 Amps @Ambient of 40°C
Mounted to a 6.4" x 6.4" x .25" Aluminum Plate
0
20
40
60
80
100
0 10 20 30 40 50
Speed (RPS)
% Duty Cycle
12V Duty Cycle
24V Duty Cycle
48V Duty Cycle
65V Duty Cycle
STM23-2 Max Duty cycle vs Speed
5 Amps @Ambient of 40°C
Mounted to a 6.4" x 6.4" x .25" Aluminum Plate
0
20
40
60
80
100
0 10 20 30 40 50
Speed (RPS)
% Duty Cycle
12V Duty Cycle
24V Duty Cycle
48V Duty Cycle
65V Duty Cycle
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Current
e power supply current required by the STM23 at various voltages is shown in the charts below. Note that the
supply current owing into the STM23 is less than the motor phase current. at’s because the STM23’s switch-
ing amplier converts high voltages and low currents from the DC power supply into the higher current and lower
voltage required by the motor. Using a higher voltage power supply will increase high speed torque, but will also
increase motor heating (see page 40).
Also note that the current draw is signicantly dierent at higher speeds depending on the torque load to the mo-
tor. Estimating your current needs may require a good analysis of the load the motor will encounter.
STM23-2 24V Power Supply Current
0
20
40
60
80
100
120
140
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
Amps
Torque
Oz/In
Supply
Current
Supply
Current
No Load
STM23-2 12V Power Supply Current
0
20
40
60
80
100
120
140
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Amps
Torque
Oz/In
Supply
Current
Supply
Current
No Load
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STM23-2 48V Power Supply Current
0
20
40
60
80
100
120
140
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Amps
Torque
Oz/In
Supply
Current
Supply
Current
No Load
STM23-2 70V Power Supply Current
0
20
40
60
80
100
120
140
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
Amps
Torque
Oz/In
Supply
Current
Supply
Current
No Load
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STM23-3 12V Power Supply Current
0
50
100
150
200
250
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
Amps
Torque
Oz/In
Supply
Current
Supply
Current
STM23-3 24V Power Supply Current
0
50
100
150
200
250
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
Amps
Torque
Oz/In
Supply
Current
Supply
Current
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STM23-3 48V Power Supply Current
0
50
100
150
200
250
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
Amps
Torque
Oz/In
Supply
Current
Supply
Current
STM23-3 70V Power Supply Current
0
50
100
150
200
250
0 10 20 30 40 50
Speed (RPS)
Torque (Oz-In)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
Amps
Torque
Oz/In
Supply
Current
Supply
Current
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To Power Supply +
To Earth Ground
To Power Supply –
Connecting the Power Supply
If you need information about choosing a power supply, please read “Choosing a Power Supply” located above in
this manual.
Connect the motor power supply “+” terminal to the driver terminal labeled “+”. Connect power supply “-” to the
drive terminal labeled “-”. Use wire in the range of 16 to 20 AWG. e STM23 drives contain an internal fuse that
connects to the power supply + terminal. is fuse is not user replaceable. If you want to install a user serviceable
fuse in your system install a 4 amp fast acting fuse in line with the + power supply lead.
It is important that the motor frame be electrically connected to ground. When the motor is mounted on an insu-
lated surface, a ground wire is required as shown in the diagram below. Also, in applications where multiple STMs
are used on a machine, individual ground wires may reduce the overall electrical noise level.
Be careful not to reverse the wires. Reverse connection may open the internal fuse on your driver and
void your warranty.
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If you plan to use a regulated power supply you may encounter a problem with regeneration. If you rapidly decel-
erate a load from a high speed, much of the kinetic energy of that load is transferred back to the power supply. is
can trip the over-voltage protection of a switching power supply, causing it to shut down and/or over-voltage your
STM. We oer the RC-050 “regeneration clamp” to solve this problem. If in doubt, buy an RC-050 for your rst
installation. If the “regen” LED on the RC-050 never ashes, you don’t need the clamp.
RC-050 Regen Clamp
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Connecting the STM23 Communications
e STM23 is available with four types of communications: RS-232, RS-422/485, Ethernet and CANopen/RS-232. Each
type requires a dierent hardware connection for interface to a PC or other host system. e RS-232 version (STM23x-
xAx) comes with a cable that will provide the interface to an RS-232 port through a DB9 style connector. e RS-422/485
version (STM23x-xRx) requires the user to provide both the cabling and the RS-422/485 interface. e Ethernet versions
(STM23Q-xEx and STM23IP-xEx) require the user to provide a CAT5 or beer Ethernet cable for interfacing to the drive.
is cable can be either a straight-thru or cross-over type. e CANopen/RS-232 version (STM23C-xCx) also includes an
RS-232 port for conguration. Below are descriptions of how to interface various STM23 Drive+Motors to a PC.
Connecting to a PC Using RS-232
• Locate your computer within 8 feet of the Drive+Motor.
• Your drive was shipped with a communication cable. Plug the large end into the serial port of your PC and
the small end into the RS-232 jack (RJ-11 connector) on your drive. Secure the cable to the PC with the screws
on the sides.
Never connect a drive to a telephone circuit. It uses the same connectors and cords as telephones and mo-
dems, but the voltages are not compatible.
NOTE: If the PC does not have an RS-232 serial port, a USB Serial Converter will be needed. For more information,
please read
Connecting to an STM23 Using USB.
Pin Assignments of the RS-232 Port (RJ11 connector)
e RS-232 circuitry does not have any extra electrical “hardening” and care should be taken when connecting to the RS-
232 port as hot plugging could result in circuit failure. If this is a concern the RS-422/485 version should be used.
Do not plug or unplug the RS-232 connection while power is applied to the drive. is is known as “hot
plugging” and should be avoided.
Connecting to a Host Using RS-422/485
RS-422/485 communication allows connection of more than one drive to a single host PC, PLC, HMI or other controller.
It also allows the communication cable to be long (more than 300 meters or 1000 feet). We recommend using Category
5 cable in low electrical-noise environments. Category 5 cable is widely used for computer networks, inexpensive, easily
obtained and certied for quality and data integrity. For electrically noisy environments we recommend twisted pair
cable with an overall shield and drain wire. Connect the drain wire at one end of the cable to earth ground..
RS-422/485 versions of the STM23 can be used with either four-wire or two-wire congurations. Both types of con-
gurations can be used for point-to-point (i.e. one drive and one host) or multi-drop networks (one host and up to 32
drives).
ground (to PC ground)
TX (to PC RX)
+5V Supply (for SiNet Hub)
RX (to PC TX)
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NOTE: To use the STM23 RS-422/485 version with the ST Congurator soware, the STM23 must be con-
nected to the PC in the four-wire “point to point” conguration (see below) and congured one axis at a
time.
RS-422/485 4–wire “Point to Point” Wiring
RS-422/485 Connector diagram
Four-Wire Conguration
Four-wire systems utilize separate transmit and receive wires. One pair of wires must connect the host’s transmit signals to
each drive’s RX+ and RX- terminals. e other pair connects the drive’s TX+ and TX- terminals to the host’s receive signals.
A logic ground terminal is provided on each drive and can be used to keep all drives at the same ground potential.
is terminal connects internally to the DC power supply return (V-), so if all the drives on the RS-422/485 network are
powered from the same supply it is not necessary to connect the logic grounds. One drive’s GND terminal should still be
connected to the host ground.
RS-422/485 4–wire system
NOTE: a 120 ohm terminating resistor is required at the end of a four wire network.
NOTE: If the PC does not have an RS-422/485 serial port, a converter will be required.
+Rx- +Tx- GND +Rx- +Tx- GND +Rx- +Tx- GND
to Host Tx+
to Host Tx-
to Host Rx+
to Host Rx-
to Host GND
Drive 1 Drive 2 Drive n
120
GND
TX–
TX+
RX–
RX+
+Rx- +Tx- GND
to Host Tx+
to Host Tx-
to Host Rx+
to Host Rx-
to Host GND
STM24
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Two-Wire Conguration
RS-422/485 Connector diagram
Transmit and receive on the same pair of wires can lead to trouble. e host must not only disable its transmier before
it can receive data, it must do so quickly, before a drive begins to answer a query. e STM23 includes a “transmit delay”
parameter that can be adjusted to compensate for a host that is slow to disable its transmier. is adjustment can be
made over the network using the TD command, or it can be set using the
ST Congurator
soware. It is not necessary to
set the transmit delay in a four-wire system.
NOTE: a 120 ohm terminating resistor is required at the end of a two wire network.
RS-232 to RS-485 2-wire Converter
Model 485-25E from Integrity Instruments (800-450-2001) works well for converting your PC’s RS-232 port to RS-485.
It comes with everything you need. Connect the adaptor’s “B” pin to the Drive+Motor’s TX+ and RX+ terminals. Connect
“A” to the drive’s TX- and RX- terminals.
Assigning RS-485 Addresses
Before wiring the entire system, you’ll need to connect each drive individually to the host computer so that a unique
address can be assigned to each drive. Use the
ST Congurator™
soware, available at Applied Motion’s website for this
purpose.
Connect the drive to your PC and then launch the
ST Congurator™
soware. Finally, apply power to your drive. If you
have already congured your drive, then you should click the Upload buon so that the
ST Congurator™
seings match
those of your drive. Click on the Motion buon, then select the SCL operating mode. If you have a Q drive, you may
want to select “Q Programming”. Either way, you’ll see the RS-485 Address panel appear. Just click on the address charac-
ter of your choice. You can use the numerals 0..9 or the special characters ! “ # $ % & ‘ ( ) * + , - . / : ; < = > ? @ . Just make
Typical RS-422/485 Two-Wire System
+Rx- +Tx- GND +Rx- +Tx- GND +Rx- +Tx- GND
to Host Tx+ (B)
to Host Tx- (A)
to Host GND
Drive 1 Drive 2 Drive n
120
GND
TX–
TX+
RX–
RX+
18
STM23 Hardware Manual
920-0021F
2/14/2012
sure that each drive on your network has a unique address. If you are using a 2-wire network, you may need to set the
Transmit Delay, too. 10 milliseconds works on the adapters we’ve tried. Once you’ve made your choices, click Download
to save the seings to your drive.
Connecting to an STM23 using USB
e USB-COMi-M (8500-003) from Applied Motion is an excellent choice for USB to serial conversion. It can be used
for all RS-232, RS-422 and RS-485 applications. e USB-COM-CBL from
byterunner.com
can be used for USB to RS-232
connection only. ese adapters use the FTDI chip set and are compatible with Windows XP and later, including 64 bit
versions.
Note: Prolic-based USB serial adapters do not work with Vista 64 or Windows 7 64 bit operating systems.
For RS-232 conversion using the USB-COMi-M (8500-003), use the DB9 connector and set the switches according to the
diagram below. e DB-9 connector is not used for RS-485.
USB-COMi-M (8500-003) Switch Seings
For RS-485 two wire systems, set the switches and make the connections to the STM23 according the diagrams below.
USB-COMi-M (8500-003) 6 pin
screw terminal connector
STM23 5 pin connector
1 RX-, TX-
2 RX+, TX+
6 GND
For RS-485 four wire systems, set the switches and make the connections to the STM23 according the diagrams below.
USB-COMi-M (8500-003) 6 pin
screw terminal connector
STM23 5 pin connector
1 RX-
2 RX+
3 TX+
4 TX-
6 GND
1
ON
2 3 4
RS-232
1
ON
2 3 4
2 Wire
RS-485
1
ON
2 3 4
4 Wire
RS-485
19
STM23 Hardware Manual
920-0021F
2/14/2012
Connecting the Drive to Your PC using Ethernet
is process requires three steps
• Physically connect the drive to your network (or directly to the PC)
• Set the drive’s IP address
• Set the appropriate networking properties on your PC.
Note: the following pages are an excerpt from the “eSCL Communication Reference Guide”. For more
information, please read the rest of the guide.
Addresses, Subnets, and Ports
Every device on an Ethernet network must have a unique IP address. In order for two devices to communicate
with each other, they must both be connected to the network and they must have IP addresses that are on the
same subnet. A subnet is a logical division of a larger network. Members of one subnet are generally not able
to communicate with members of another unless they are connected through special network equipment (e.g.
router). Subnets are dened by the choices of IP addresses and subnet masks.
If you want to know the IP address and subnet mask of your PC, select Start…All Programs…Accessories…Com-
mand Prompt. en type “ipcong” and press Enter. You should see something like this:
If your PC’s subnet mask is set to 255.255.255.0, a common seing known as a Class C subnet mask, then your
machine can only talk to another network device whose IP address matches yours in the rst three octets. (e
numbers between the dots in an IP address are called octets.) For example, if your PC is on a Class C subnet
and has an IP address of 192.168.0.20, it can talk to a device at 192.168.0.40, but not one at 192.168.1.40. If
you change your subnet mask to 255.255.0.0 (Class B) you can talk to any device whose rst two octets match
yours. Be sure to ask your system administrator before doing this. Your network may be segmented for a rea-
son.
Your drive includes a 16 position rotary switch for seing its IP address. e factory default address for each
switch seing is shown in the table on the next page.
20
STM23 Hardware Manual
920-0021F
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Omega STM23 Series Owner's manual

Omega
Brand
Omega
Model
STM23 Series
Category
Networking
Type
Owner's manual
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