Product information
Overview
Key Features
- Analog input capacity: 4 analog inputs; current or voltage differential inputs.
- Supported input ranges: Voltage: ±10 V, ±5 V, ±2.5 V or ±1.25 V. Current: 4 to 20 mA or 0 to 20 mA.
- Supply and consumption: Rated supply: 24 V DC. Typical current consumption: 65 mA; typical backplane bus 5 V DC current: 80 mA.
- Conversion and resolution: Maximum cycle time for all channels: 100 μs. Maximum resolution with overrange: 15 bit; + sign.
- Diagnostics and protection: Diagnostics, alarms, supply-voltage monitoring, wire-break detection and input-status LED indication are available. Degree of protection: IP20.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit |
|---|---|
| Analog inputs | 4; Current or voltage differential inputs |
| Rated supply voltage | 24 V |
| Voltage input ranges | -1.25 V to +1.25 V; -2.5 V to +2.5 V; -5 V to +5 V; -10 V to +10 V |
| Current input ranges | 0 to 20 mA; 4 mA to 20 mA |
| Maximum cycle time, all channels | 100 μs |
| Maximum resolution with overrange | 15 bit; + sign |
| Typical current consumption | 65 mA |
| Typical power loss | 1.8 W |
| Degree of protection | IP20 |
Frequently Asked Questions
What is the exact product type?
It is SM 1231, AI 4×16 bit, Siemens order number 6ES7231-5ND32-0XB0.
Which input signals does it support?
It supports voltage ranges of ±10 V, ±5 V, ±2.5 V and ±1.25 V, plus current ranges of 4 to 20 mA and 0 to 20 mA.
What information should I provide for a quotation?
Please provide the required quantity, destination and project-list context.
