Technical Summary
| Product type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Number of analog inputs | 8 |
| Resolution with overrange (bit including sign), max. | 13 bit |
| Input ranges | -10 V to +10 V |
| Input ranges, resistors | 0 to 600 ohms |
| Input current from backplane bus 5 V DC, max. | 350 mA |
| Power loss, typ. | 1.8 W |
| Potential separation analog inputs | Yes; internal/external |
| Isolation tested with | 2 120 V DC between bus and analog part; 500 V DC between bus and local ground; 2 120 V DC between analog part and local ground |
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.
8 isolated analog inputs
Provides 8 AI with isolated input channels.
Provides 8 AI with isolated input channels.
13 bit resolution
Resolution is 13 bit.
Resolution is 13 bit.
Voltage, current, and resistance measurement
Supports voltage, current, and resistance input types.
Supports voltage, current, and resistance input types.
Potential separation analog inputs
Potential separation analog inputs: Yes; internal/external.
Potential separation analog inputs: Yes; internal/external.
Compact module dimensions
Width 25 mm, height 290 mm, depth 210 mm.
Width 25 mm, height 290 mm, depth 210 mm.
Applications
Voltage, current, and resistance measurement
Connects signal sources for voltage, current, and resistance measurement.
Connects signal sources for voltage, current, and resistance measurement.
Analog signal acquisition on a SIMATIC S7-400 station
Adds 8 analog input channels to a SIMATIC S7-400 system.
Adds 8 analog input channels to a SIMATIC S7-400 system.
Frequently Asked Questions
What is Siemens 6ES7431-1KF00-0AB0?
It is a SIMATIC S7-400 analog input SM 431 module.
How many analog inputs does 6ES7431-1KF00-0AB0 have?
It has 8 analog inputs.
Which input ranges does the 6ES7431-1KF00-0AB0 support?
It supports voltage, current, and resistance input ranges, including 4 mA to 20 mA, -10 V to +10 V, and 0 to 600 ohms.
What are the installation dimensions of the 6ES7431-1KF00-0AB0?
The module measures 25 mm wide, 290 mm high, and 210 mm deep.
