Product Overview
Technical Summary
| Product type | SM 1231, AI 4×16 bit |
|---|---|
| Analog inputs | 4; Current or voltage differential inputs |
| Rated supply voltage | 24 V DC |
| Supported voltage ranges | ±10 V, ±5 V, ±2.5 V or ±1.25 V |
| Supported current ranges | 4 to 20 mA, 0 to 20 mA |
| Resolution with overrange | 15 bit; + sign |
| Maximum cycle time, all channels | 100 μs |
| Typical current consumption | 65 mA |
| Typical power loss | 1.8 W |
| Protection | IP20 |
Key Features
4 analog inputs; current or voltage differential inputs.
Voltage: ±10 V, ±5 V, ±2.5 V or ±1.25 V. Current: 4 to 20 mA or 0 to 20 mA.
Rated supply: 24 V DC. Typical current consumption: 65 mA; typical backplane bus 5 V DC current: 80 mA.
Resolution with overrange: 15 bit plus sign. Maximum cycle time for all channels: 100 μs; integration time is parameterizable.
Diagnostics include supply-voltage monitoring and wire-break detection. The module has IP20 protection and LEDs for input status and maintenance.
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-5ND32-0XB0?
It is an SM 1231 analog input module with AI 4×16 bit.
Which signals does this analog input module accept?
It accepts voltage ranges of ±10 V, ±5 V, ±2.5 V or ±1.25 V, and current ranges of 4 to 20 mA or 0 to 20 mA.
How many analog inputs are available?
It has 4 current or voltage differential inputs.
What configuration details should accompany a quotation request?
Please provide the requested quantity, destination, schedule context, and any additional BOM lines.
