Siemens - 6ES7222-1BH32-0XB0 - SIMATIC S7-1200, Digital output SM 1222, 16 DO, 24 V DC, transistor 0.5 A
Siemens 6ES7223-1PL32-0XB0 SIMATIC S7-1200, Digital I/O SM 1223, 16 DI/16 DO, 16 DI 24 V DC, Sink/Source, 16 DO, relay 2 A
Siemens 6ES7231-4HD32-0XB0 SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign (13 bit ADC
Siemens 6GK7243-1BX30-0XE0 Comms processor CP 1243-1 for connection of SIMATIC S7-1200 as additional Ethernet interface and for Connection to control centers via telecontrol protocols (DNP3, IEC 60870, TeleControl Basic), security (Firewall, VPN).