Part Number: 6ES7231-5QF32-0XB0
| Parameter | Specification |
|---|---|
| Product Family | SM 1231 Analog Input Module |
| PLC Series | SIMATIC S7-1200 |
| Analog Inputs | 8 AI (Thermocouple inputs) |
| Sensor Type | Thermocouple (TC) |
| Supported TC Types | J, K, T, E, R, S, B, N, C, TXK/XK(L) |
| Input Voltage Range | ±80 mV |
| Resolution | 15-bit + sign (≈16-bit temperature resolution) |
| Temperature Unit | °C or °F selectable |
| Supply Voltage | 24 V DC |
| Current Consumption | ≈40 mA (24 V) |
| Power Loss | ≈1.5 W |
| Dimensions (W × H × D) | 45 × 100 × 75 mm |
| Weight | ≈0.19–0.22 kg |
| Protection Class | IP20 |
Product Description:
6ES7231-5QF32-0XB0 is a SIMATIC S7-1200 SM1231 thermocouple analog input module with 8 thermocouple input channels. It allows direct connection of various thermocouple temperature sensors and converts the signals into digital values for PLC processing.
8 thermocouple temperature inputs
Supports multiple TC types (J, K, T, E, R, S, B, N, etc.)
High-accuracy 15-bit measurement resolution
Cold-junction compensation for temperature accuracy
Wire-break detection and diagnostic alarms
DIN-rail mounting beside S7-1200 CPU
Furnace and oven temperature control
Boiler monitoring systems
Industrial heat treatment processes
HVAC temperature monitoring
Chemical and process industries
| Part Number | Sensor Type | Channels |
|---|---|---|
| 6ES7231-5PD32-0XB0 | RTD | 4 AI |
| 6ES7231-5PF32-0XB0 | RTD | 8 AI |
| 6ES7231-5QD32-0XB0 | Thermocouple | 4 AI |
| 6ES7231-5QF32-0XB0 | Thermocouple | 8 AI |
| Module | Description | Part Number |
|---|---|---|
| SM 1234 | 4AI / 2AO | 6ES7234-4HE32-0XB0 |
| SM 1234 | 2AI / 2AO (Signal board type) | 6ES7234-5HD30-0XB0 |
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