6ES7331-7KF02-0AB0 Siemens Simatic S7-300, Analog Input Sm 331, Isolated, 8 Ai, Resolution 9/12/14 Bits, U/I/Thermocouple/Resistor, Alarm, Diagnostics. The Siemens thermocouple expansion module is designed to use with SIMATIC S7-300 PLCs. It is optically isolated. It supports various input types like voltage sensors, current sensors, thermocouples and resistor thermometers. It has advanced features like alarms and diagnostics that make it an ideal choice for analogue heat-sensing applications.

Accessory Type PLC Expansion Module
For Use With S7-300 Series
Input Type Analogue
Series SIMATIC S7-300 Series
Dimensions 125 x 40 x 120 mm