Key Features
- Analog input module: SIMATIC S7-1200 analog input module for 4 analog inputs.
- Input ranges: Supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 20 mA, and 4 mA to 20 mA.
- Resolution: 15 bit; + sign.
- Supply voltage: Rated value (DC): 24 V.
- Diagnostics: Alarms, diagnostics function, diagnostic alarm, monitoring the supply voltage, and wire break.
- Protection: IP20.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit |
|---|---|
| Number of analog inputs | 4; Current or voltage differential inputs |
| Input ranges, voltage | Yes; ±10V, ±5V, ±2.5V or ±1.25V |
| Input ranges, current | Yes; 4 to 20 mA, 0 to 20 mA |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 65 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.8 W |
| Cycle time (all channels) max. | 100 μs |
| IP degree of protection | IP20 |
| Diagnostics function | Yes |
Applications
- Analog signal acquisition: Collects 4 analog current or voltage differential input signals.
- Voltage and current measurement: Processes voltage inputs and current inputs in the supported ranges.
- Diagnostics-supported input monitoring: Supports input status indication, wire break detection, and supply voltage monitoring.
Frequently Asked Questions
What is Siemens 6ES7231-5ND32-0XB0?
It is a SIMATIC S7-1200 analog input module, SM 1231, AI 4×16 bit.
How many analog inputs does 6ES7231-5ND32-0XB0 have?
It has 4 analog inputs.
What input ranges does the SM 1231 support?
It supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 20 mA, and 4 mA to 20 mA.
What is the supply voltage for 6ES7231-5ND32-0XB0?
Rated value (DC): 24 V.
What diagnostics are available on this analog input module?
It supports alarms, diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break, and diagnostics indication LED for status of the inputs and for maintenance.
