Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1231, AI 4×16 bit |
| Analog inputs | 4 current or voltage differential inputs |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V, ±1.25 V |
| Current input ranges | 0 to 20 mA; 4 to 20 mA |
| Resolution | 15 bit; + sign |
| Cycle time, all channels, max. | 100 μs |
| Rated supply voltage | 24 V DC |
| Typical current consumption | 65 mA |
| Diagnostics | Alarms, diagnostics, supply-voltage monitoring, wire-break detection |
| Protection degree | IP20 |
Key Features
- Analog input channels: 4 current or voltage differential analog inputs.
- Supported input ranges: Voltage: ±10 V, ±5 V, ±2.5 V, or ±1.25 V. Current: 0 to 20 mA or 4 to 20 mA.
- Resolution and timing: Resolution: 15 bit; + sign. Maximum cycle time for all channels: 100 μs. Integration time is parameterizable.
- Supply and consumption: Rated supply voltage: 24 V DC. Typical current consumption: 65 mA; typical backplane bus current at 5 V DC: 80 mA.
- Diagnostics and protection: Diagnostics, alarms, diagnostic alarm, supply-voltage monitoring, wire-break detection, and input-status and maintenance LEDs are supported. Protection degree: IP20.
- Measurement-value smoothing: Parameterizable smoothing with None, low, Medium, or High steps.
Frequently Asked Questions
1. How many analog inputs does the Siemens 6ES7231-5ND32-0XB0 have?
It has 4 current or voltage differential analog inputs.
2. Which signal ranges does the 6ES7231-5ND32-0XB0 support?
It supports ±10 V, ±5 V, ±2.5 V, and ±1.25 V voltage ranges, plus 0 to 20 mA and 4 to 20 mA current ranges.
3. What resolution and cycle time does this analog input module provide?
Resolution is 15 bit plus sign, and the maximum cycle time for all channels is 100 μs.
