Product information
Overview
Key Features
- Thermocouple analog inputs: Has 4 analog inputs for thermocouples, including types B, C, E, J, K, N, R, S, T and TXK/TXK(L) to GOST.
- Input measurement range: Rated thermocouple voltage range is -80 mV to +80 mV; input resistance is >= 10 MOhm.
- Resolution and measurement: Provides up to 15 bit resolution including sign, with an integrating measurement principle and parameterizable integration time.
- Signal processing: Measured-value smoothing is parameterizable with None, low, Medium and High steps; temperature units are adjustable in degrees Celsius or degrees Fahrenheit.
- Diagnostics and protection: Has alarms, readable diagnostics, diagnostic alarm, wire-break detection, DIAG LED indication and IP20 protection.
Technical Summary
| Product type | SB 1231, AI 4x 16-bit TC |
|---|---|
| Analog inputs | 4; Thermocouples |
| Supported thermocouple types | B, C, E, J, K, N, R, S, T and TXK/TXK(L) to GOST |
| Rated thermocouple voltage range | -80 mV to +80 mV |
| Input resistance | >= 10 MOhm |
| Resolution with overrange | 15 bit; + sign |
| Measurement principle | integrating |
| Integration time | Parameterizable |
| Power loss | 0.1 W |
| Protection | IP20 |
Frequently Asked Questions
What is the exact Siemens model and product type?
The model is 6ES7231-5QD50-0XB0, with product type SB 1231, AI 4x 16-bit TC.
Which thermocouple types does this module support?
It supports thermocouple types B, C, E, J, K, N, R, S, T and TXK/TXK(L) to GOST.
Does it support current or resistance inputs?
It does not support current, resistance thermometer or resistance input ranges.
What cable length is supported?
The maximum shielded cable length is 100 m to the sensor.
