Siemens S7-1200 analog input module, 6ES7231-4HD32-0XB0, 4-20mA / ±10V, diagnostic alarm, 70°C max, -40°C min, 24V DC.
| Parameter | Value |
|---|---|
| Number of analog inputs | 4; Current or voltage differential inputs |
| Current input range | Yes; 4 to 20 mA, 0 to 20 mA |
| Voltage input range | Yes; ±10V, ±5V, ±2.5V |
| Resistance measuring ranges | No |
| RTD support (resistance thermometer) | No |
| Thermocouple support (types) | No |
| Input range: 0 to 20 mA | Yes |
| Input range: 4 to 20 mA | Yes |
| Input range: -10 to +10 V | Yes |
| Input range: -5 to +5 V | Yes |
| Input resistance (0 to 20 mA) | 280 Ω |
| Input resistance (4 to 20 mA) | 280 Ω |
| Input resistance (-10 to +10 V) | ≥9 MOhm |
| Permissible input voltage, max. (destruction limit) | 35 V |
| Permissible input current, max. (destruction limit) | 40 mA |
| Parameter | Value |
|---|---|
| Resolution (bit incl. sign), max. | 12 bit; + sign |
| Temperature measurement error (±) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Voltage measurement error (±) | 0.1 % |
| Current measurement error (±) | 0.1 % |
| Interference voltage suppression (at interference frequency) | 40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| Common-mode voltage, max. | 12 V |
| Parameter | Value |
|---|---|
| Wire-break detection | Yes |
| Diagnostic alarm | Yes |
| Diagnostics function | Yes |
| Supply voltage monitoring | Yes |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Power loss, typ. | 1.5 W |
| 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 |
| Parameter | Value |
|---|---|
| Required front connector | Yes |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 180 g |
The 6ES7231-4HD32-0XB0: Single-supply 24 V DC analog input module for the S7-1200 system, covering 4–20 mA, 0–20 mA, and ±10 V, ±5 V, ±2.5 V ranges. Diagnostic alarm and wire-break detection are built in.
Mounts directly on the S7-1200 DIN rail, occupying 45 mm of panel width. Depth of 75 mm and height of 100 mm fit standard cabinets. Power draw is 1.5 W typical from the backplane. Fall height tested at 0.3 m in product package.
Rated for ambient operation from –40 °C to 70 °C.
It holds cULus, CE, FM, KC, UL, CSA, Marine (e.g., DNV), RCM (C-TICK), and the specific Siemens S7-1200 approvals.
No related articles