- Operates in documented Universal Remote I/O scanner or adapter mode
- Uses scheduled connections for digital, block-transfer, analog, and specialty data
- Supports up to 32 racks and is discontinued with no planned Rockwell Automation replacement
1756-RIO is an Allen-Bradley ControlLogix Universal Remote I/O scanner/adapter module.
In scanner mode it exchanges scheduled data with remote adapters; in adapter mode it emulates one or more racks for an installed scanner and can monitor other racks.
Preserve the Logix project, scanner/adapter mode, rack map, block-transfer definitions, baud rate, cable route, termination, and adapter inventory before replacement or migration.
Availability, condition, price, and shipping time for 1756-RIO are confirmed during quotation.
Allen-Bradley 1756-RIO ControlLogix Remote I/O Module Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Record every remote adapter, rack address, and network segment before exchange
- Preserve the approved scanner schedule in the controller project archive
- Identify cable routing and termination at each serviced network section
- Verify scanner and adapter communication before machine-output operation
- Test the installed rack inventory against the accepted Remote I/O project
- Investigate a missing rack from its address, adapter, cable, and schedule records
- Configure scanner mode when 1756-RIO owns scheduled connections to installed Remote I/O adapters
- Configure adapter mode when the ControlLogix chassis must emulate one or more racks for an existing scanner
- Use the accepted rack map and scheduled connection definitions instead of MSG instructions
- ControlLogix scanner-mode systems communicating with legacy Remote I/O adapters
- Adapter-mode systems emulating one or more Remote I/O racks for an installed scanner
- PLC-5, PLC-3, or SLC migration projects retaining existing Universal Remote I/O wiring