Technical Summary
| Product type designation | SM 1231, AI 8×16 bit TC |
|---|---|
| Lifecycle | Active Product |
| 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 | 8; Thermocouples |
| Thermocouple input types | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Voltage range | -80 mV to +80 mV |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 50 / 60 / 400 Hz |
| IP degree of protection | IP20 |
Applications
Thermocouple temperature measurement
Temperature measurement from thermocouple signals on 8 analog input channels.
Module diagnostics and monitoring
Monitoring supply voltage and wire break status with readout diagnostics and alarms.
Key Features
Exact module designation
SM 1231, AI 8×16 bit TC
Analog input capacity
8 analog inputs for thermocouples
Supply requirement
Rated value (DC): 24 V
Lifecycle status
Active Product
Protection rating
IP20
Frequently Asked Questions
What is Siemens 6ES7231-5QF32-0XB0?
It is a SIMATIC S7-1200 SM 1231 TC analog input module.
How many thermocouple inputs does 6ES7231-5QF32-0XB0 have?
It has 8 analog inputs for thermocouples.
What supply voltage does the module use?
Rated value (DC) is 24 V.
Which thermocouple types are supported?
J, K, T, E, R & S, B, N, C, and TXK/XK(L) are listed.
What lifecycle status is listed for 6ES7231-5QF32-0XB0?
It is listed as Active Product.
