Brand:  Siemens
Model:  EM 231 CN Siemens |  6ES7231-7PC22-OXAO
Specification:  SIMATIC S7-200 CN analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit+sign this S7-200 CN product only has CE approval

EM231 2 Analog input RTD;
2) Compatible with Siemens 6ES7231-7PC22-OXAO
3) Temperature measurement module;
4) Could connect with Siemens 200 CPU;

Origin: Germany

● The micro PLC that offers maximum automation at

minimum cost.

● Extremely simple installation, programming and

operation.

● Large-scale integration, space-saving, powerful.

● Can be used both for simple controls and for

complex automation tasks.

 ● All CPUs can be used in stand-alone mode, in net-

works and within distributed structures.

 ● Suitable for applications where programmable

 controllers would not have been economically vi-

able in the past.

 ● With outstanding real-time performance and pow-

erful communication options.

SIMATIC S7-200 EM231 thermocouple 
EM 231 thermocouple module
Input channel: 4 inputs +/- 80 mV, 15-bit resolution
Thermocouples type: J, K, S, T, R, E, N
The analog EM231 module only used for S7-200 PLC S7-221 S7-222 S7-224/224XP S7-226 CPU.

SIMATIC S7-200 CN analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit+sign this S7-200 CN product only has CE approval.