Technical Summary
| Product designation | SIMATIC S7-400, analog input SM 431, isolated 8 AI, resolution 13 bit, U/IResistor |
|---|---|
| Number of analog inputs | 8 |
| Resolution with overrange (bit including sign), max. | 13 bit |
| Input ranges | Voltage; Current; Resistance |
| 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 |
Applications
For voltage, current, and resistance measurement in a SIMATIC S7-400 system.
For connecting signal encoders for voltage measurement, current measurement as 2-wire transducer or 4-wire transducer, and resistance measurement with two-wire, three-wire, or four-wire connection.
Key Features
Analog input SM 431 for the SIMATIC S7-400 range.
Isolated 8 AI configuration with potential separation between the channels and backplane bus.
Resolution with overrange is 13 bit, including sign.
Supports voltage, current, and resistance measurement.
Announcement of product phase-out.
Width 25 mm, height 290 mm, depth 210 mm.
Frequently Asked Questions
What is Siemens 6ES7431-1KF00-0AB0?
It is a SIMATIC S7-400 analog input SM 431 module with isolated 8 AI, 13 bit resolution, and U/IResistor configuration.
How many analog inputs does 6ES7431-1KF00-0AB0 have?
It has 8 analog inputs.
What measurements does this analog input module support?
It supports voltage, current, and resistance measurement.
What are the module dimensions and weight?
The module measures 25 mm wide, 290 mm high, and 210 mm deep, with an approximate weight of 500 g.
What is the product lifecycle status of 6ES7431-1KF00-0AB0?
The lifecycle status is Announcement of product phase-out.
