Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1231, AI 4×16 bit TC |
| Analog inputs | 4; Thermocouples |
| Thermocouple voltage range | ±80 mV |
| Rated supply voltage | 24 V |
| Resolution with overrange | 15 bit; + sign |
| Measurement principle | integrating |
| Diagnostics | Readable diagnostics, diagnostic alarm, supply-voltage monitoring and wire-break detection |
| Protection | IP20 |
Applications
- Thermocouple temperature measurement: Measures temperature through supported J, K, T, E, R, S, N, C and TXK/XK(L) thermocouples.
Key Features
- 4 thermocouple analog inputs: Provides 4 analog inputs for thermocouples, with support for J, K, T, E, R, S, N, C and TXK/XK(L).
- Input signal range: Supports a -80 mV to +80 mV rated voltage range; input resistance for this range is ≥1 MOhm.
- Resolution and measurement: Integrating measurement principle with 15 bit resolution with overrange, including sign; measured-value smoothing is parameterizable.
- Supply and consumption: Rated supply voltage is 24 V. Typical current consumption is 40 mA, with 80 mA typical consumption from the backplane bus at 5 V DC.
- Diagnostics: Provides readable diagnostics, diagnostic alarms, supply-voltage monitoring, wire-break detection, and input-status and maintenance LEDs.
- Protection and dimensions: The module has IP20 protection and packaging dimensions of 10.90 x 8.80 x 5.70 cm.
Frequently Asked Questions
1. How many thermocouple channels does the 6ES7231-5QD32-0XB0 have?
It has 4 analog thermocouple inputs.
2. Which thermocouple types are supported?
It supports J, K, T, E, R, S, N, C and TXK/XK(L) thermocouples.
3. What is the rated voltage range for the thermocouple inputs?
The rated voltage range is -80 mV to +80 mV.
4. What diagnostics does the module provide?
It provides readable diagnostics, diagnostic alarms, supply-voltage monitoring, wire-break detection, and LEDs for input status and maintenance.
5. What supply voltage does this module require?
The rated supply voltage is 24 V.
