PLC Expansion Modules

Schneider Electric TM171OBM14R Modicon M171/M172/M173 Controller, 14 I/O, 100-240V AC

Schneider Electric TM171EP27R Modicon M171/M172 Additional I/O Module, 27 I/O, IP20, 0.19 kg

Schneider Electric XPSMCMDO0004SG Modicon MCM Expansion Module, 4 DO, 400mA, IP20, 24V DC