Siemens PLC controller 6ES7231-0HC22-0XA0 analog input module |
This is the 6ES7231-0HC22-0XA0 analog input module of Siemens PLC controller.
Product manual:
SIMATIC S7-200, Analog input EM 231.
Only for S7-22X CPU, 4 AI, 0-10V DC,
12 bit converter.