Network Remote I/O unit, ST-221F, Crevis, Made in Korea

I/O Module, DI880, 16ch 24v, ABB, Made in Sweden

Network Remote I/O unit, ST-122F, Crevis, Made in Korea

Network Remote I/O unit, ST-121F, Crevis, Made in Korea

Modbus TCP IP Module Network Adapter, NA-9189, Crevis

OEMAX Device Net PLC, NXIO-DNA, Allen Bradley, Korea

Device Net PLC FnIO-S, NA-9111, Crevis, Made in Korea

Network Remote I/O unit, ST-222F, Crevis, Made in Korea