The Siemens 6ES7231-7PB20-0XA0 is an EM 231 RTD input module designed exclusively for S7-22X CPUs, providing two analog inputs for PT100/200/500/1000/10000, Ni100/120/1000, Cu10, and resistance measurements up to 600 Ohm with 15-bit plus sign resolution.
Siemens 6ES7231-7PB20-0XA0 RTD Input Module, 2AI
MPN6ES7231-7PB20-0XA0
Siemens SIMATIC S7-200, EM 231 RTD Input Module, 6ES7231-7PB20-0XA0, 2 Analog Inputs, 15 Bit+ Sign.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
MPN
6ES7231-7PB20-0XA0