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Unitronics 

 

 

Uni-COM

®

 CB Modules 

Installation Guide 
UAC-CB-01RS2,  
UAC-CB-01RS4, 
UAC-CB-01CAN 

 

 
 
 
 

SCAN  

to download 

This guide provides basic installation information for Unitronics’ Uni-COM™ CB Modules. 

Use them to add communication ports to specific models of the UniStream

®

 family of 

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 

Description 

 

Danger 

The identified danger causes physical and property damage. 

 

Warning 

The identified danger could cause physical and property damage. 

Caution 

Caution 

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. 

 

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. 

 

 

 

Summary of Contents for Uni-COM UAC-CB-01RS2

Page 1: ...talling 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 Description Danger The identified danger causes physical and property damage Warning The identified danger could cause physical and property damage Caution Caution Use...

Page 2: ...aximum distance from high voltage cables and power equipment Kit Contents UAC CB 01RS2 UAC CB 01RS4 UAC CB 01CAN 1 UAC CB 01RS2 module 1 UAC CB 01RS4 module 1 RS485 terminal block 1 UAC CB 01CAN module Uni COM CB Diagram 1 DIN rail clips Top and Bottom These clips secure the module to the DIN rail 2 COM Module Plug not shown Plug this into the COM Module Jack located on a compatible device 3 Door ...

Page 3: ... 01CAN Installing the first module onto the side of the controller 1 Check the controller to verify that its COM module jack is not covered If the Uni COM CB module the last one in the configuration leave the COM jack covered 2 Push the module onto the DIN rail until the clips located at the top and bottom of the unit have snapped onto the DIN rail 3 Slide the module as shown in the accompanying f...

Page 4: ...solder or any substance on stripped wire that might cause the wire strand to break Install at maximum distance from high voltage cables and power equipment Wiring Guidelines In order to ensure that the device will operate properly and to avoid electromagnetic interference Use a metal cabinet Make sure the cabinet and its doors are properly earthed Use shielded cables NOTE For detailed information ...

Page 5: ...e RS485 Wiring D Tx Rx B D Tx Rx A SG Signal Ground Functional Ground Use shielded twisted pair cable in compliance with EIA RS485 specifications When wiring each node connect the cable shield to the functional ground point of the RS485 terminal block Caution In order to avoid ground loops do not connect the RS485 functional ground terminal to the earth of the system as it is internally connected ...

Page 6: ...ault OFF OFF Not Terminated Theinformationin thisdocumentreflects productsatthedate ofprinting Unitronicsreserves theright subjectto allapplicable laws atany time atitssolediscretion and withoutnotice to discontinueor change the features designs materials andother specificationsofitsproducts and toeitherpermanentlyor temporarily withdrawanyof the forgoing from themarket Allinformation in this docu...

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