Product Overview
Technical Summary
| Product type designation | SM 1231, AI 4×13 bit |
|---|---|
| Based on | 6ES7231-4HD32-0XB0 |
| Analog inputs | 4; Current or voltage differential inputs |
| Rated supply voltage | 24 V DC |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V |
| Current input ranges | 0 to 20 mA; 4 to 20 mA |
| Resolution with overrange | 12 bit; + sign |
| Cycle time, all channels, max. | 625 μs |
| Operating ambient temperature | -20 °C to 60 °C; start-up at 0 °C |
| Protection | IP20 |
| Conformal coating | Yes; Class 2 for high reliability |
Key Features
- Product designation: SM 1231, AI 4×13 bit analog input module.
- Analog inputs: 4 current or voltage differential inputs.
- Input ranges: Voltage: ±10 V, ±5 V, ±2.5 V; current: 0 to 20 mA and 4 to 20 mA.
- Supply and conversion: Rated supply: 24 V DC. Resolution with overrange: 12 bit plus sign; maximum cycle time for all channels: 625 μs.
- Environmental design: Conformal coating; operating ambient temperature: -20 °C to 60 °C, with start-up at 0 °C.
- Protection and connection: IP20 protection and required front connector.
Frequently Asked Questions
What product does Siemens 6AG1231-4HD32-4XB0 identify?
It identifies a SIPLUS S7-1200 SM 1231 analog input module, designation SM 1231, AI 4×13 bit.
Which specifications should be checked to distinguish this MLFB variant?
Check the 4 current or voltage differential inputs, voltage ranges of ±10 V, ±5 V, and ±2.5 V, current ranges of 0 to 20 mA and 4 to 20 mA, conformal coating, and the -20 °C to 60 °C operating temperature range.
What connector is required?
A front connector is required.
What code and nameplate details should be checked before inquiry?
Check the complete order number 6AG1231-4HD32-4XB0 and the product designation SM 1231, AI 4×13 bit.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
