The 1769-CRR1 is a Compact I/O adapter module used in the CompactLogix series of programmable logic controllers (PLCs).
Some key features of the 1769-CRR1 module include:
Provides a single ControlNet port for network communication
Supports data rates of 5 Mbps or 10 Mbps on the ControlNet network
Supports both simplex and redundant network configurations
Allows for up to 100 nodes on the ControlNet network
Offers built-in diagnostic LEDs for monitoring module status and network activity
The 1769-CRR1 module is part of the Allen-Bradley Compact I/O product family, which offers a wide range of I/O modules for various applications. These modules can be easily installed in a CompactLogix chassis, providing flexibility and scalability in designing automation systems.