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Uni-COM
This guide provides basic installation information for Unitronics' Uni-COM™ CB Modules.
Use them to add communication ports to specific models of the UniStream
Programmable Logic Controllers. Compatible models comprise a Uni-COM™ CB COM
Module Jack which provides the connection point for the module.
Refer to the specifications of your UniStream model to check whether it is compatible with
CB modules.
UAC-CB-01RS2 offers one RS232 port, UAC-CB-01RS4 offers one RS485 port, and
UAC-CB-01CAN offers one CANbus port.
Technical specifications and Installation Guides are available in Unitronics Technical Library
at www.unitronicsplc.com.
Before You Begin
Before installing the device, the installer must:
Read and understand this document.
Verify the Kit Contents.
Alert Symbols and General Restrictions
When any of the following symbols appear, read the associated information carefully.
Symbol
Meaning
Danger
Warning
Caution
Caution
All examples and diagrams are intended to aid understanding, and do not guarantee
operation. Unitronics accepts no responsibility for actual use of this product based on
these examples.
Please dispose of this product according to local and national standards and regulations.
This product should be installed only by qualified personnel.
Failure to comply with appropriate safety guidelines can cause severe injury or
property damage.
Do not attempt to use this device with parameters that exceed permissible levels.
Do not connect/disconnect the device when power is on.
Unitronics
CB Modules
Description
The identified danger causes physical and property damage.
The identified danger could cause physical and property damage.
Use caution.
Installation Guide
UAC-CB-01RS2,
UAC-CB-01RS4,
UAC-CB-01CAN
SCAN
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Summary of Contents for Unitronics Uni-COM UAC-CB-01RS2
- Page 1 Use caution. All examples and diagrams are intended to aid understanding, and do not guarantee operation. Unitronics accepts no responsibility for actual use of this product based on these examples. Please dispose of this product according to local and national standards and regulations.
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Page 2: Environmental Considerations
(not shown) COM Module Jack and cover This is the connection point for additional modules; leave covered when not in use Communication LEDs Green. Refer to the device's technical specifications DIP switches Use these to set RS485/CANbus network termination Unitronics... -
Page 3: Installation
2. Insert the module’s connection plug into the jack until it is firmly seated. If you mount vertically, place a DIN-rail stop or end clamp under the final module in the configuration. This is especially recommended if vibrations are present. Unitronics... -
Page 4: Wiring Guidelines
Use a metal cabinet. Make sure the cabinet and its doors are properly earthed. Use shielded cables. For detailed information on avoiding EMI, refer to the document System Wiring Guidelines, located in the Technical Library in the Unitronics’ website. UAC-CB-01RS2 - RS232 module ... -
Page 5: Wiring Procedures
RS485 termination according to this table. State The device is shipped with both its DIP switches set to Terminated ON; change settings if the device is not at one of the ends (factory default) of the RS485 network. Not Terminated Unitronics... -
Page 6: Canbus Wiring
Not Terminated The information in this document reflects products at the date of printing. Unitronics reserves the right, subject to all applicable laws, at any time, at its sole discretion, and without notice, to discontinue or change the features, designs, materials and other specifications of its products, and to either permanently or temporarily withdraw any of the forgoing from the market.
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