Technical Summary
| Product type designation | SB 1231, AI 4x 16-bit TC |
|---|---|
| Number of analog inputs | 4; Thermocouples |
| Thermocouple input support | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Measurement principle | integrating |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Input current from backplane bus 5 V DC, typ. | 20 mA |
| Power loss, typ. | 0.1 W |
| Temperature compensation | Parameterizable |
| IP degree of protection | IP20 |
| Isolation tested with | 707 V DC (type test) |
| Between channels | 120 V AC |
Key Features
SIMATIC S7-1200 G2 signal board
SB 1231 in the SIMATIC S7-1200 G2 series.
SB 1231 in the SIMATIC S7-1200 G2 series.
4 thermocouple inputs
Number of analog inputs: 4; Thermocouples.
Number of analog inputs: 4; Thermocouples.
16-bit TC input resolution
Product type designation: SB 1231, AI 4x 16-bit TC.
Product type designation: SB 1231, AI 4x 16-bit TC.
Thermocouple support
Input ranges: Thermocouple, Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV.
Input ranges: Thermocouple, Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV.
Parameterizable temperature compensation
Temperature compensation: Parameterizable.
Temperature compensation: Parameterizable.
Diagnostics and wire-break indication
Alarms: Yes; Diagnostics function: Yes; Can be read out; Wire break: Yes; DIAG LED: Yes.
Alarms: Yes; Diagnostics function: Yes; Can be read out; Wire break: Yes; DIAG LED: Yes.
Applications
Thermocouple temperature measurement
Measures temperature from thermocouples on 4 inputs.
Measures temperature from thermocouples on 4 inputs.
Frequently Asked Questions
What is Siemens 6ES7231-5QD50-0XB0?
It is a SIMATIC S7-1200 G2 SB 1231 signal board, AI 4x 16-bit TC.
How many thermocouple inputs does 6ES7231-5QD50-0XB0 have?
It has 4 thermocouple inputs.
Which thermocouple types are supported by 6ES7231-5QD50-0XB0?
It supports J, K, T, E, R & S, B, N, C, and TXK/XK(L) thermocouples.
What is the protection rating of the 6ES7231-5QD50-0XB0 module?
The IP degree of protection is IP20.
What is the cable length limit for the sensor connection?
The shielded cable length is max. 100 m to the sensor.
