Key Features
- Analog input signal board: SIMATIC S7-1200 analog input, SB 1231 TC.
- 1 thermocouple input: Number of analog inputs: 1; Thermocouples.
- Thermocouple support: Thermocouple input supports J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV.
- 24 V DC supply: Rated value (DC): 24 V.
- Diagnostics available: Diagnostics function: Yes; Can be read out. Diagnostic alarm: Yes. Wire break: Yes.
Technical Summary
| Product type designation | SB 1231, AI 1×16 bit TC |
|---|---|
| Rated value (DC) | 24 V |
| Current consumption, typ. | 5 mA |
| from backplane bus 5 V DC, typ. | 20 mA |
| Power loss, typ. | 0.5 W |
| Number of analog inputs | 1; Thermocouples |
| Thermocouple input | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Voltage input | Yes |
| -80 mV to +80 mV | Yes |
| – Input resistance (-80 mV to +80 mV) | ≥1 MOhm |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 10 / 50 / 60 / 400 Hz |
| Smoothing of measured values | Yes |
| Diagnostic alarm | Yes |
| Diagnostics function | Yes; Can be read out |
| Wire break | Yes |
| Product lifecycle | Active Product |
Applications
- Thermocouple temperature measurement: Measures temperature signals from thermocouples using the single analog input.
- Voltage signal input: Accepts voltage input in the ±80 mV range.
Frequently Asked Questions
What is the exact Siemens model of this analog input module?
The exact model is 6ES7231-5QA30-0XB0, and the product type designation is SB 1231, AI 1×16 bit TC.
How many inputs does 6ES7231-5QA30-0XB0 have, and what signal type does it support?
It has 1 analog input for thermocouples.
Which thermocouple types are supported by this SB 1231 module?
Supported thermocouple types are J, K, T, E, R & S, B, N, C, and TXK/XK(L).
What is the supply voltage for 6ES7231-5QA30-0XB0?
Rated value (DC): 24 V.
What diagnostic functions are available on this module?
Diagnostics function: Yes; Can be read out. Diagnostic alarm: Yes. Wire break: Yes.
