Siemens 6ES7231-5QF32-0XB0 S7-1200 SM 1231 TC 8-Channel Thermocouple

Siemens SIMATIC S7-1200 SM 1231 analog input module provides 8 channels for thermocouple temperature measurement. Supports multiple thermocouple types including J, K, T, E, R, S, N, C, and B with high resolution. Ideal for multi-point temperature monitoring in industrial ovens, furnaces, HVAC, and process applications. Includes open-circuit detection and cold junction compensation.

Applications:

• Multi-zone furnace temperature monitoring

• Industrial oven and kiln control

• HVAC system temperature measurement

• Process temperature logging

• Machine bearing and winding temperature detection

Technical Specifications:

• Number of inputs: 8 analog inputs (thermocouple)

• Supported types: J, K, T, E, R, S, N, C, B

• Resolution: 24-bit (typical)

• Conversion time: Approx. 85 ms per channel

• Cold junction compensation: Internal or external

• Diagnostics: Open-circuit detection, overrange/underrange

• Isolation: Yes (between channels and backplane)

• Supply voltage: 24V DC from backplane bus

• Dimensions (approx.): 45 mm x 100 mm x 75 mm

• Weight: Approx. 180 g

Compatibility:

• SIMATIC S7-1200 CPUs (1214C, 1215C, 1217C)

• TIA Portal V11 or higher

Related Products (S7-1200 Analog Input Modules):

• 6ES7231-4HD32-0XB0 – SM 1231 AI (4 x 0-10V, 0-20mA)

• 6ES7231-5QF32-0XB0 – SM 1231 TC (current model, 8 x TC)

• 6ES7231-5PF32-0XB0 – SM 1231 TC (4 x TC)

Product Status:
Active product. Requires external thermocouple cables.

PLC ERA is an independent industrial automation distributor. Products are sourced through established supply channels and inspected prior to shipment. International shipping available.