Key Features
- 4 analog inputs: SM 1231, AI 4×16 bit with 4 current or voltage differential inputs.
- Voltage and current input ranges: Supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 20 mA, and 4 mA to 20 mA.
- Resolution and cycle time: Resolution with overrange: 15 bit + sign bit; cycle time for all channels max.: 625 μs.
- Diagnostics and monitoring: Alarms, diagnostics function, diagnostic alarm, supply voltage monitoring, wire break detection, and status LEDs for inputs and maintenance.
Applications
- Analog signal acquisition: Acquires 4 analog voltage or current differential inputs for controller processing.
- Voltage measurement: Measures signals in the ±10 V, ±5 V, ±2.5 V, and ±1.25 V ranges.
- Current measurement: Processes 0 to 20 mA and 4 mA to 20 mA input signals.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit |
|---|---|
| based on | 6ES7231-5ND32-0XB0 |
| 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 |
| Number of analog inputs | 4; Current or voltage differential inputs |
| Cycle time (all channels) max. | 625 μs |
| Voltage | Yes; ±10V, ±5V, ±2.5V or ±1.25V |
| Current | Yes; 4 to 20 mA, 0 to 20 mA |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is Siemens 6AG1231-5ND32-4XB0?
It is a SIPLUS S7-1200 SM 1231 analog input module with 4 AI.
How many analog inputs does 6AG1231-5ND32-4XB0 have?
It has 4 analog inputs for current or voltage differential inputs.
Which input ranges are supported by 6AG1231-5ND32-4XB0?
It supports ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 20 mA, and 4 mA to 20 mA.
What supply and power data are listed for 6AG1231-5ND32-4XB0?
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.
What protection and diagnostics functions are included on 6AG1231-5ND32-4XB0?
It includes alarms, diagnostics function, diagnostic alarm, monitoring the supply voltage, wire break detection, and diagnostics LEDs for input status and maintenance.