Key Features
- Analog input module: SM 1231, AI 4×13 bit with 4 analog inputs for current or voltage differential inputs.
- Input ranges: Supports +/-10 V, +/-5 V, +/-2.5 V, and 0-20 mA input ranges.
- Resolution and cycle time: Resolution with overrange is 12 bit; + sign, with cycle time (all channels) max. 625 μs.
- Diagnostics: Alarms, diagnostics function, diagnostic alarm, supply voltage monitoring, and wire break detection are supported.
- Conformal coated design: Conformal coating is included, with IP20 degree of protection.
Applications
- Analog signal acquisition: For acquiring current or voltage differential analog signals through 4 analog inputs.
Technical Summary
| Product type designation | SM 1231, AI 4×13 bit |
|---|---|
| Based on | 6ES7231-4HD32-0XB0 |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 45 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Number of analog inputs | 4; Current or voltage differential inputs |
| Cycle time (all channels) max. | 625 μs |
| Resolution with overrange (bit including sign), max. | 12 bit; + sign |
| Voltage | Yes; ±10V, ±5V, ±2.5V |
| Current | Yes; 4 to 20 mA, 0 to 20 mA |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is Siemens 6AG1231-4HD32-4XB0 used for?
It is an SM 1231 analog input module with 4 analog inputs for current or voltage differential inputs.
Which input ranges does this module support?
It supports +/-10 V, +/-5 V, +/-2.5 V, and 0-20 mA input ranges, and also 4 to 20 mA.
What resolution and cycle time does the module provide?
Resolution with overrange is 12 bit; + sign, and cycle time for all channels is max. 625 μs.
What electrical supply and power data are listed for this module?
Rated value (DC) is 24 V, current consumption typ. is 45 mA, backplane bus 5 V DC typ. is 80 mA, and power loss typ. is 1.5 W.
Which diagnostics functions are supported?
Alarms, diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break detection, and diagnostics indication LED for status of the inputs and for maintenance are supported.
