Beckhoff EL2008 EtherCAT Terminal, 8-Channel Digital Output, 24VDC, 0.5A

Beckhoff EL1008 EtherCAT Terminal 8-Channel Digital Input

Automation Direct T1K-16ND3 Terminator I/O Discrete Input Module w/ T1K-16B Base

Siemens 6ES7223-1BL32-0XB0 SIMATIC S7-1200 Digital I/O Module MISSING ONE COVER

Automation Direct T1K-16TD2-1 Output Module with T1K-16B Base

Ontrak Control Systems ADU200 USB Relay Interface I/O

Wago 750-530 Digital Output Module 8-Channel

Allen Bradley 1746-OV16 Ser B Output Module SLC500