
6ES7231-5QA30-0XB0 - Siemens
MPN6ES7231-5QA30-0XB0
Active
SIMATIC S7-1200, Analog input, SB 1231 TC, 1 AI thermocouples Type J or K
$78.74Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Inputs & Signal Ranges
| Parameter | Value |
|---|---|
| Number of analog inputs | 1; Thermocouples |
| Current input range | No |
| Voltage input range | Yes |
| Resistance measuring ranges | No |
| RTD support (resistance thermometer) | No |
| Thermocouple support (types) | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Input range: -80 to +80 mV | Yes |
| Permissible input voltage, max. (destruction limit) | ±35 V |
| Max. shielded signal cable length | 100 m; shielded, twisted pair |
Measurement Performance
| Parameter | Value |
|---|---|
| Resolution (bit incl. sign), max. | 15 bit; + sign |
| Measurement principle | integrating |
| Temperature measurement error (±) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Interference voltage suppression (at interference frequency) | 85 dB at 10 / 50 / 60 / 400 Hz |
| Common-mode interference suppression, min. | 120 dB |
Diagnostics & Monitoring
| Parameter | Value |
|---|---|
| Wire-break detection | Yes |
| Diagnostic alarm | Yes |
| Diagnostics function | Yes; Can be read out |
Power
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Power loss, typ. | 0.5 W |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature, horizontal mounting, max. | 60 °C |
| Operating temperature, horizontal mounting, min. | -20 °C |
| Operating temperature, vertical mounting, max. | 50 °C |
| Operating temperature, vertical mounting, min. | -20 °C |
Mechanical
| Parameter | Value |
|---|---|
| Required front connector | Yes |
| Width | 38 mm |
| Height | 62 mm |
| Depth | 21 mm |
| Weight, approx. | 35 g |
MPN
6ES7231-5QA30-0XB0