Product Description
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 6ES7231-5ND32-0XB0 |
| Product Name | SIMATIC S7-1200 Analog Input Module SM 1231 AI 4x13 bit |
| Application | Analog signal acquisition for industrial automation and process control systems, suitable for monitoring process variables like pressure, flow, level, and voltage signals |
| Compatibility | SIMATIC S7-1200 PLC system; integrates with S7-1200 CPUs, ET 200SP distributed I/O, and backplane-powered setups |
| Function | Provides 4 isolated analog inputs with high-resolution conversion for precise data collection and diagnostics |
Functional Specifications
| Parameter | Details |
|---|---|
| Number of Inputs | 4 (fully isolated) |
| Input Type | Analog voltage or current inputs |
| Input Ranges | Voltage: ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0-10 V; Current: 0-20 mA, 4-20 mA |
| Resolution | 13-bit (12-bit + sign bit) |
| Accuracy | ±0.3% of full scale |
| Input Resistance | Voltage: _ 1 MΩ; Current: 100 Ω (internal shunt) |
| Conversion Time | _ 1 ms per channel (4 ms full scan) |
| Supply Voltage | Rated value (DC): 24 V; Range: 20.4 V to 28.8 V |
| Power Consumption | 1.5 W |
| Operating Temperature | -20°C to +60°C (horizontal mounting); 0°C to +60°C (vertical) |
| Storage Temperature | -40°C to +70°C |
| Dimensions | Width: 45 mm; Height: 100 mm; Depth: 75 mm |
| Weight | Approximately 0.18 kg |
| Protection Rating | IP20 |
| Certifications | CE mark; CSA, UL, cULus approval |
| Standards Compliance | IEC 61131-2; EN 61000-6-4 (EMC emissions); EN 61000-6-2 (EMC immunity) |
Ordering Information
| Parameter | Details |
|---|---|
| Part Number Configuration | 6ES7231-5ND32-0XB0 (SM 1231 AI, 4 inputs, 13-bit, voltage/current ranges) |
| Available Options | Variants for higher resolution (e.g., 6ES7231-4HF30-0XB0 for 8 inputs, 13-bit) or RTD/thermocouple inputs |
| Customization | Extended temperature range or specific certifications available upon request |