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 types | 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 |
Key Features
Thermocouple input module
SM 1231, AI 4×16 bit TC with 4 thermocouple analog inputs.
SM 1231, AI 4×16 bit TC with 4 thermocouple analog inputs.
SIPLUS variant with conformal coating
Built on 6ES7231-5QD32-0XB0 with conformal coating.
Built on 6ES7231-5QD32-0XB0 with conformal coating.
Temperature range
Operating temperature: -20…+60 °C.
Operating temperature: -20…+60 °C.
Thermocouple support
Supports J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV.
Supports J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV.
Diagnostics and alarms
Alarms, diagnostic alarm, diagnostics function, supply voltage monitoring, wire break detection, and status LEDs are supported.
Alarms, diagnostic alarm, diagnostics function, supply voltage monitoring, wire break detection, and status LEDs are supported.
Applications
Thermocouple temperature measurement
Temperature measurement with 4 thermocouple analog inputs.
Temperature measurement with 4 thermocouple analog inputs.
Frequently Asked Questions
What is the exact product designation of 6AG1231-5QD32-4XB0?
It is an SM 1231, AI 4×16 bit TC module.
How many thermocouple inputs does this module have?
It has 4 thermocouple analog inputs.
Which thermocouple types are supported?
J, K, T, E, R, S, N, C, and TXK/XK(L) are supported.
What are the electrical supply and current values?
Rated value (DC): 24 V. Current consumption, typ.: 40 mA. From backplane bus 5 V DC, typ.: 80 mA.
What operating temperature range is specified for this SIPLUS module?
The operating temperature range is -20…+60 °C.
