Technical Summary
| Product type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Order number | 6ES7431-1KF10-0AB0 |
| Analog inputs | 8 |
| Resolution | 14 bit |
| Supported signal types | U/I/Resistor/Thermocouple/Pt100 |
| Load voltage L+ | 24 V |
| Load voltage L+ reverse polarity protection | Yes |
| Input current from load voltage L+ (without load), max. | 200 mA; for 8 connected, fully controlled 2-wire transmitters |
| Input current from backplane bus 5 V DC, max. | 600 mA |
| Power loss, typ. | 3.5 W |
Key Features
SIMATIC S7-400 analog input module
SM 431 analog input module for the SIMATIC S7-400 range.
SM 431 analog input module for the SIMATIC S7-400 range.
8 isolated analog inputs
Provides 8 AI with potential separation for the analog inputs.
Provides 8 AI with potential separation for the analog inputs.
14 bit resolution
Resolution with overrange is 14 bit; with activated filtering: 16 bit.
Resolution with overrange is 14 bit; with activated filtering: 16 bit.
Multi-signal support
Supports U/I/Resistor/Thermocouple/Pt100.
Supports U/I/Resistor/Thermocouple/Pt100.
24 V load voltage L+
Rated value (DC): 24 V; only required for supplying 2-wire transmitters.
Rated value (DC): 24 V; only required for supplying 2-wire transmitters.
Applications
Analog signal acquisition
Acquires voltage, current, resistance, thermocouple, and resistance thermometer signals on 8 analog inputs.
Acquires voltage, current, resistance, thermocouple, and resistance thermometer signals on 8 analog inputs.
2-wire transmitter supply
Provides 24 V load voltage L+ for supplying 2-wire transmitters.
Provides 24 V load voltage L+ for supplying 2-wire transmitters.
Frequently Asked Questions
What is Siemens 6ES7431-1KF10-0AB0?
It is a SIMATIC S7-400 SM 431 analog input module with isolated 8 AI.
How many analog inputs does 6ES7431-1KF10-0AB0 provide?
It provides 8 analog inputs.
What signal types are supported by 6ES7431-1KF10-0AB0?
It supports U/I/Resistor/Thermocouple/Pt100.
What is the load voltage for 6ES7431-1KF10-0AB0?
The load voltage L+ is 24 V DC.
What are the size and weight of 6ES7431-1KF10-0AB0?
The packaging dimensions are 30,10 x 23,30 x 3,80 cm and the net weight is 0,788 Kg.
