Key Features
- Analog input module for SIMATIC S7-400: SM 431 analog input module with 8 AI.
- Signal type support: Supports U/I/Resistor/Thermocouple/Pt100.
- Input resolution: Resolution 14 bit.
- Isolation: Potential separation analog inputs: Yes; internal/external.
- Connection options: Connection of signal encoders for voltage measurement, current measurement as 2-wire transducer, current measurement as 4-wire transducer, and resistance measurement with two-wire, three-wire, and four-wire connection.
Applications
- Analog signal acquisition for PLC inputs: Acquires voltage, current, resistance, thermocouple, and Pt100 signals through 8 analog inputs in a SIMATIC S7-400 system.
Technical Summary
| Module type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Number of analog inputs | 8 |
| Resolution | 14 bit |
| Signal types | U/I/Resistor/Thermocouple/Pt100 |
| Potential separation analog inputs | Yes; internal/external |
| Potential separation between the channels | No |
| Potential separation between the channels and backplane bus | Yes |
| Potential separation between the channels and load voltage L+ | Yes |
| Rated value (DC) | 24 V; Only required for supplying 2-wire transmitters |
| Power loss, typ. | 3.5 W |
Frequently Asked Questions
What is Siemens 6ES7431-1KF10-0AB0?
It is a SIMATIC S7-400 analog input module SM 431 with 8 AI.
Which signal types does this analog input module support?
It supports U/I/Resistor/Thermocouple/Pt100.
What resolution does 6ES7431-1KF10-0AB0 provide?
The module has 14 bit resolution.
What electrical supply detail should be checked for this module?
Rated value (DC): 24 V; Only required for supplying 2-wire transmitters.
What are the key connection and isolation details for selection?
Potential separation analog inputs: Yes; internal/external. Between the channels: No. Between the channels and backplane bus: Yes. Between the channels and load voltage L+: Yes.
