Key Features
- Analog input function: SM 1231, AI 4×16 bit TC with 4 thermocouple analog inputs.
- Thermocouple support: Thermocouple input ranges support J, K, T, E, R, S, N, C, TXK/XK(L), and type B and type C.
- Diagnostics: Alarms, diagnostic alarm, diagnostics function, monitoring the supply voltage, wire break, and diagnostics indication LED are supported.
- Electrical supply: Rated value (DC): 24 V.
- Installation and protection: required front connector: Yes; IP degree of protection: IP20; conformal coating: Yes; Class 2 for high reliability.
Applications
- Thermocouple temperature measurement: Analog input of 4 thermocouples for temperature measurement.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit TC |
|---|---|
| based on | 6ES7231-5QD32-0XB0 |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Number of analog inputs | 4; Thermocouples |
| Thermocouple input support | Yes; J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression | 85 dB at 50 / 60 / 400 Hz |
| IP degree of protection | IP20 |
| Ambient temperature during operation | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
| Ambient temperature during operation max. | 60 °C; = Tmax |
| required front connector | Yes |
Frequently Asked Questions
What is Siemens 6AG1231-5QD32-4XB0?
It is a SIPLUS S7-1200 SM 1231 TC analog input module with 4 AI thermocouples.
How many analog inputs does 6AG1231-5QD32-4XB0 have?
It has 4 thermocouple analog inputs.
Which thermocouple types are supported by 6AG1231-5QD32-4XB0?
It supports J, K, T, E, R, S, N, C, TXK/XK(L), and type B and type C.
What power supply does 6AG1231-5QD32-4XB0 require?
Rated value (DC): 24 V.
What should be checked for installation of 6AG1231-5QD32-4XB0?
A required front connector is needed, and the module has IP20 protection with dimensions of 45 mm x 100 mm x 75 mm.
