Technical Summary
| Product type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Number of analog inputs | 16 |
| Resolution | 16 bit |
| Supported signal types | U/I/Resistor/Thermocouple/Pt100 |
| Load voltage L+ | 24 V; Only required for supplying 2-wire transmitters |
| Input current from load voltage L+, max. | 400 mA; for 16 connected, fully controlled 2-wire transmitters |
| Input current from backplane bus 5 V DC, max. | 700 mA |
| Power loss, typ. | 4.5 W |
| Potential separation analog inputs | Yes; internal/external |
Key Features
SIMATIC S7-400 analog input module
SM 431 analog input module for the SIMATIC S7-400 family.
SM 431 analog input module for the SIMATIC S7-400 family.
16 isolated analog inputs
Provides 16 AI with isolation.
Provides 16 AI with isolation.
16 bit resolution
Resolution: 16 bit.
Resolution: 16 bit.
Multiple signal types
Supports U/I/Resistor/Thermocouple/Pt100.
Supports U/I/Resistor/Thermocouple/Pt100.
Alarm and diagnostics
Includes alarm and diagnostics functions.
Includes alarm and diagnostics functions.
Applications
Analog signal acquisition from voltage and current sources
For measuring voltage and current input signals with the 16 analog inputs.
For measuring voltage and current input signals with the 16 analog inputs.
Temperature and resistance signal acquisition
For measuring thermocouple, resistance thermometer, and resistance signals.
For measuring thermocouple, resistance thermometer, and resistance signals.
Signal monitoring with alarm and diagnostics
For alarm handling and diagnostics on analog input channels.
For alarm handling and diagnostics on analog input channels.
Frequently Asked Questions
What is 6ES7431-7QH00-0AB0 in the SIMATIC S7-400 range?
It is a SIMATIC S7-400 analog input SM 431 module.
How many analog inputs does 6ES7431-7QH00-0AB0 have?
It has 16 analog inputs.
Which signal types does 6ES7431-7QH00-0AB0 support?
It supports U/I/Resistor/Thermocouple/Pt100.
What is the resolution of 6ES7431-7QH00-0AB0?
Resolution is 16 bit.
What are the dimensions of 6ES7431-7QH00-0AB0?
Width: 25 mm, height: 290 mm, depth: 210 mm.
