Key Features
- Analog input module: SIMATIC S7-400 SM 431 analog input module.
- 16 analog inputs: Provides 16 AI for voltage and current measurement.
- Input ranges: Supports ±10 V, ±20 mA, and 4–20 mA.
- Resolution: 13 bit resolution with overrange, including sign.
- Conversion time: 20 ms conversion time.
- Lifecycle status: Announcement of product phase-out.
Technical Summary
| Product type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Analog inputs | 16 |
| Resolution with overrange (bit including sign), max. | 13 bit |
| Voltage input ranges | ±10 V |
| Current input ranges | 4 mA to 20 mA |
| Conversion time | 20 ms |
| Load voltage L+ | 24 V; Only required for supplying 2-wire transmitters |
| Reverse polarity protection | Yes |
| Power loss, typ. | 2 W |
Applications
- Voltage and current signal acquisition: Measures voltage and current signals on 16 analog inputs.
- 2-wire transmitter supply connection: Supplies 2-wire transmitters from load voltage L+.
Frequently Asked Questions
What is the exact Siemens model and product type for 6ES7431-0HH00-0AB0?
It is a SIMATIC S7-400 analog input SM 431 module.
How many analog inputs does 6ES7431-0HH00-0AB0 provide?
It provides 16 analog inputs.
Which input ranges are supported by this SM 431 module?
It supports ±10 V, ±20 mA, and 4–20 mA input ranges.
What are the key power and mounting details for 6ES7431-0HH00-0AB0?
Load voltage L+ is 24 V, reverse polarity protection is Yes, and the module dimensions are 25 mm x 290 mm x 210 mm.
