Rockwell Automation 1791R-XXXX CompactBlock Distributed I/O on Remote I/O Series D I.I. User Manual
Installation instructions
 
Publication
1791R-IN002B-EN-P - August 2003
Installation Instructions
CompactBlock Distributed I/O on
Remote I/O Series D
(Cat. No. 1791R-16B0, -0B16P, -8B8P, -4B4P, -8V8P)
1791R CompactBlock™ I/O modules are stand-alone 24V dc Block 
I/O products that communicate via a Remote I/O link. Each Remote I/O 
node consists of either one base module or one base module and one 
expansion module. Any expansion module can be coupled with any base 
module. CompactBlock 1791R consists of only base modules. The expansion 
modules are part of the CompactBlock 1791D family of products. 
CompactBlock Remote I/O modules must be installed in a secondary 
enclosure. Base modules are equipped with 8 to 16 points. 
CompactBlock Remote I/O provides both sinking and sourcing inputs and 
outputs. Sinking inputs are 24V dc IEC Type 3 compatible. Self-protected 
24V dc outputs can provide up to 0.5 amp each. 
Important User Information
Because of the variety of uses for the products described in this publication, 
those responsible for the application and use of these products must satisfy 
themselves that all necessary steps have been taken to assure that each 
application and use meets all performance and safety requirements, including 
any applicable laws, regulations, codes and standards. In no event will 
Allen-Bradley be responsible or liable for indirect or consequential damage 
resulting from the use or application of these products.
Document Outline
- CompactBlock Distributed I/O on Remote I/O Series D Installation Instructions
- Important User Information
- Rockwell Automation Support
- Installing CompactBlock I/O
- Set the Node Address on the Base Module
- Mount the Block(s)
- Connect the Input/Output Wires to the Block
- Connect the Remote I/O Terminal Connector
- Select Termination for the Module
- Connect Power to the Module
- Remove the Terminal Block
- Insert the Terminal Block
- Communicate With the 1791R Module
- Troubleshoot with the Indicators
- Specifications
- North American Hazardous Location Approval
- Back Cover