Key Features
- 4 analog inputs: SM 1231, AI 4×16 bit with 4 analog inputs for current or voltage differential inputs.
- Supported signal ranges: Voltage: +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 V. Current: 0-20 mA and 4-20 mA.
- SIPLUS and environmental design: Based on 6ES7231-5ND32-0XB0 with conformal coating and -20…+60 °C operating temperature.
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 |
| Ambient temperature during operation, min. | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
| Ambient temperature during operation, max. | 60 °C; = Tmax |
Applications
- Analog signal acquisition: For connecting 4 current or voltage differential analog input signals.
Frequently Asked Questions
What is the exact Siemens model and product type?
6AG1231-5ND32-4XB0 is a SIPLUS S7-1200 SM 1231 analog input module, Product type designation: SM 1231, AI 4×16 bit.
How many analog inputs does this module provide?
It provides 4 analog inputs.
What signal ranges are supported on the inputs?
Voltage input support includes +/-10 V, +/-5 V, +/-2.5 V, and +/-1.25 V. Current input support includes 0-20 mA and 4-20 mA.
What are the electrical supply and power values?
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.
