AB/Allen-Bradley 1771-IJC Encoder/Counter Module -5V I/O

Allen Bradley Encoder Counter Module I/O 1771-IJC 5 Volt PLC Controller Card

Allen Bradley 1771-ALX Series A Firmware B PLC Local I/O Adapter Module

Allen Bradley 1771-ASB Series B Firmware E Remote I/O Adapter Module

1746-HSCE /A Allen-Bradley High-Speed Counter Encoder Module

Allen Bradley 1746-HSCE SLC 500 High Speed Counter Encoder Module (For Parts)

ALLEN BRADLEY 1771-IK Encoder / Counter Module I/O Ser A 1.4A 12-24V

Allen Bradley 1771-IK Ser A Encoder / Counter Module I/O 1.4A 12-24V