Different measurement ranges: Thermocouples of types J, K, T, E, R, S and N; analog signal recording ±80 mV.
Check for open lines.
Compensation of the cold connecting point: Faults caused by contact voltages at the connection between thermocouple and module are prevented; when recording analog signals (±80 mV), the compensation is automatically deactivated.
Temperature scaling: The measured temperature can be shown in °C or °F.
The SM 1231 thermocouple modules enable temperatures to be measured with high precision using established thermocouples. In addition, low level analog signals in the ±80 mV range can be recorded. The SM 1231 thermocouple modules can be used with the CPUs of the S7-1200 series.
| Mfr. Part No. | Description |
| 6ES7231-5QD32-0XB0 | S7-1200, ANALOG INPUT SM 1231 TC, 4 AI |
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