Product information
Overview
Key Features
- 8 analog inputs: Provides 8 current or voltage differential inputs.
- Selectable input ranges: Supports ±10 V, ±5 V, ±2.5 V, 0 to 20 mA, and 4 mA to 20 mA input ranges.
- Resolution and cycle time: Resolution with overrange is 12 bit plus sign; maximum cycle time for all channels is 625 μs.
- 24 V supply: Rated supply voltage is 24 V DC; typical current consumption is 60 mA.
- Diagnostics: Has alarms, diagnostic functions, diagnostic alarm, supply-voltage monitoring, wire-break diagnosis, and input-status LED indication.
- Protection: IP degree of protection is IP20.
Technical Summary
| Product type | SM 1231, AI 8×13 bit |
|---|---|
| Analog inputs | 8; Current or voltage differential inputs |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| Current input ranges | 0 to 20 mA, 4 mA to 20 mA |
| Rated supply voltage | 24 V |
| Resolution with overrange | 12 bit; + sign |
| Cycle time, all channels, max. | 625 μs |
| Typical current consumption | 60 mA |
| Typical power loss | 1.5 W |
| Input resistance, voltage ranges | ≥9 MOhm |
| Input resistance, current ranges | 280 Ω |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-4HF32-0XB0?
It is an SM 1231, AI 8×13 bit analog input module.
Which input ranges does this module support?
It supports ±10 V, ±5 V, ±2.5 V, 0 to 20 mA, and 4 mA to 20 mA input ranges. Thermocouple, resistance thermometer, and resistance inputs are not supported.
What supply voltage and resolution does it have?
Rated supply voltage is 24 V DC. Resolution with overrange is 12 bit plus sign.
Does it provide diagnostics?
Yes. It has alarms, diagnostic functions, diagnostic alarm, supply-voltage monitoring, wire-break diagnosis, and input-status LED indication.
What quantity, destination, and project details should be included in a quotation request?
Include the required quantity, destination, requested date, and any project list or verification details.
