Allen-Bradley 1756-RIO ControlLogix Remote I/O Communication Module

The Allen-Bradley 1756-RIO module plays a crucial role in ControlLogix systems. It acts as a bridge between the central processor and remote I/O devices, extending the control system’s reach.

Key Functions

• Connects ControlLogix to Remote I/O Network: The 1756-RIO module links the ControlLogix processor to a remote I/O network. This network can include various I/O modules, such as analog, digital, or specialty modules. This setup provides extensive input and output capabilities.
• Scanner or Adapter: The module can operate as either a scanner or an adapter within the network. As a scanner, it polls I/O modules to gather data. As an adapter, it connects other devices within the network.
• Native RIO Support: The 1756-RIO module directly supports native RIO 16-bit words. This feature ensures efficient data transfer and control between the processor and remote I/O devices.

Benefits

• System Scalability: With the 1756-RIO module, you can expand your control system to include more I/O points. This expansion increases system flexibility and scalability.
• Improved System Performance: The module’s efficient data transfer and communication capabilities enhance overall system performance and responsiveness.
• Reduced Wiring: By placing I/O devices closer to the process, the 1756-RIO module minimizes wiring needs. This reduction lowers installation costs and simplifies maintenance.
• Enhanced Reliability: Designed for rugged industrial environments, the 1756-RIO module offers high reliability.

Technical Specifications

• Communication: RIO (Remote I/O)
• Controller: Auxiliary Products
• Display: Digital and LEDs
• Enclosure: None (open-style)
• GX Rating: None