Key Features
- 8 analog inputs: Analog input module with 8 AI for signal acquisition.
- 16 bit resolution: Resolution with overrange (bit including sign), max.: 16 bit.
- Voltage, current, and thermocouple inputs: Input ranges support Voltage, Current, and Thermocouple.
- Diagnostics and alarms: Diagnostics function, diagnostic alarm, limit value alarm, and hardware interrupt are supported.
- Potential separation: Potential separation analog inputs: Yes; internal/external, between the channels, and between the channels and backplane bus.
Applications
- Analog signal acquisition: Acquiring 8 analog input signals from voltage, current, and thermocouple sources.
Technical Summary
| Product type | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Number of analog inputs | 8 |
| Resolution with overrange (bit including sign), max. | 16 bit |
| Input ranges | Voltage; Current; Thermocouple |
| Basic conversion time (ms) | 10 / 16,7 / 20 / 100 |
| Integration time (ms) | 2,5 / 16,7 / 20 / 100 |
| Potential separation analog inputs | Yes; internal/external |
| Isolation tested with | 1 500 V DC |
| from backplane bus 5 V DC, max. | 1 200 mA |
| Power loss, typ. | 4.6 W |
Frequently Asked Questions
What is the Siemens 6ES7431-7KF00-0AB0 module?
It is a SIMATIC S7-400 analog input SM 431 module.
How many analog inputs does 6ES7431-7KF00-0AB0 provide?
It provides 8 analog inputs.
Which signal types can the 6ES7431-7KF00-0AB0 measure?
It supports Voltage, Current, and Thermocouple input ranges.
What resolution and conversion times does this module offer?
Resolution with overrange is 16 bit, and the basic conversion time is 10 / 16,7 / 20 / 100 ms.
