Product Overview
Applications
Measures temperature through supported thermocouple inputs with adjustable Celsius or Fahrenheit units.
Technical Summary
| Product type | SM 1231, AI 8×16 bit TC |
|---|---|
| Analog inputs | 8; Thermocouples |
| Rated supply voltage | 24 V DC |
| Thermocouple types | J, K, T, E, R & S, B, N, C, TXK/XK(L) |
| Voltage range | -80 mV to +80 mV |
| Input resistance | ≥1 MOhm for -80 mV to +80 mV |
| Resolution with overrange | 15 bit; + sign |
| Temperature error | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Diagnostics | Alarms, readable diagnostics, diagnostic alarm, supply-voltage monitoring, wire-break detection |
| Protection | IP20 |
| Product lifecycle | Active Product |
Key Features
8 analog inputs for thermocouples.
Supports J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
Rated supply voltage: 24 V DC.
Adjustable technical unit for temperature measurement: degrees Celsius or degrees Fahrenheit.
Provides alarms, readable diagnostics, diagnostic alarms, supply-voltage monitoring, wire-break detection, and input-status and maintenance LEDs.
IP degree of protection: IP20.
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-5QF32-0XB0?
The product type is SM 1231, AI 8×16 bit TC.
How many thermocouple inputs does the module have?
It has 8 analog inputs for thermocouples.
Which thermocouple types and voltage range are supported?
It supports J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
What supply and protection details should be retained in a quotation?
The rated supply voltage is 24 V DC and the IP degree of protection is IP20.
