Key Features
- Analog input module: SIMATIC S7-400 analog input SM 431.
- 8 isolated analog inputs: isolated 8 AI.
- 14 bit resolution: resolution 14 bit.
- Multiple signal types: U/I/Resistor/Thermocouple/Pt100.
- Potential separation: Potential separation analog inputs: Yes; internal/external.
- Electrical supply: Load voltage L+ rated value (DC): 24 V; only required for supplying 2-wire transmitters.
Technical Summary
| Product designation | 6ES7431-1KF10-0AB0 |
|---|---|
| Module type | SIMATIC S7-400, analog input SM 431 |
| Analog inputs | 8 |
| Resolution | 14 bit |
| Signal types | U/I/Resistor/Thermocouple/Pt100 |
| Load voltage L+ | 24 V; Only required for supplying 2-wire transmitters |
| Load voltage L+ reverse polarity protection | Yes |
| Input current from backplane bus 5 V DC, max. | 600 mA |
| Power loss, typ. | 3.5 W |
| Potential separation analog inputs | Yes; internal/external |
| Between the channels and backplane bus | Yes |
| Between the channels and load voltage L+ | Yes |
Applications
- Analog signal acquisition: For acquiring voltage, current, resistance, thermocouple, and Pt100 input signals through 8 analog inputs.
- 2-wire transmitter supply: For supplying 2-wire transmitters from load voltage L+.
Frequently Asked Questions
What is Siemens 6ES7431-1KF10-0AB0?
It is a SIMATIC S7-400 analog input SM 431 module.
How many analog inputs does 6ES7431-1KF10-0AB0 have?
It has 8 analog inputs.
What signal types does 6ES7431-1KF10-0AB0 support?
It supports U/I/Resistor/Thermocouple/Pt100.
What is the load voltage for 6ES7431-1KF10-0AB0?
Load voltage L+ rated value (DC) is 24 V; it is only required for supplying 2-wire transmitters.
What dimensions and weight should be checked for 6ES7431-1KF10-0AB0?
Width is 25 mm, height is 290 mm, depth is 210 mm, and approximate weight is 500 g.
