What this module is
It provides 4 analog inputs configurable for thermocouple types J, K, T, E, R, S, N, C, and TXK/XK(L) with a voltage range of ±80 mV. Diagnostics and alarms are built in, with parameterizable wire-break monitoring.
Siemens 6AG1231-5QD32-4XB0 SIPLUS S7-1200 Analog Input, -40-
MPN6AG1231-5QD32-4XB0
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Siemens SIPLUS S7-1200 4-channel analog input module for thermocouples, -40 to 70 °C, IP20.
$882.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Number of analog inputs | 4; Thermocouples |
| Current input range | No |
| Voltage input range | No |
| Resistance measuring ranges | No |
| RTD support (resistance thermometer) | No |
| Thermocouple support (types) | Yes; J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV |
| Input range: -80 to +80 mV | Yes |
| Permissible input voltage, max. (destruction limit) | ±35 V |
| 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 50 / 60 / 400 Hz |
| Common-mode interference suppression, min. | 120 dB |
| Parameter | Value |
|---|---|
| Wire-break detection | Yes |
| Diagnostic alarm | Yes |
| Diagnostics function | Yes; Can be read out |
| Supply voltage monitoring | Yes |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Power loss, typ. | 1.5 W |
| Parameter | Value |
|---|---|
| Required front connector | Yes |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 180 g |
Product details
Frequently asked questions
What temperature range does this module support?
Rated for -40°C to 70°C ambient, per the SIPLUS specification.
What thermocouple types are supported?
Types J, K, T, E, R, S, N, C, and TXK/XK(L) are supported, with a ±80 mV input range.
Does the module have diagnostics?
Yes, it includes a diagnostic alarm and wire-break monitoring, both parameterizable.
MPN
6AG1231-5QD32-4XB0