Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Analog input channels | 8 |
| Supported measurement types | Resistance thermometer; resistance |
| Supported sensor types | Ni 100, Ni 1000, Pt 100, Pt 1000, Pt 200, Pt 500 |
| Resolution with overrange | max. 16 bit |
| Integration time | 20 ms at 50 Hz (entire module including wire break) |
| Basic conversion time | 8 / 23 / 25 ms |
| Diagnostic functions | Diagnostics, diagnostic alarm, limit value alarm and hardware interrupt |
| Backplane bus supply | 5 V DC, max. 650 mA |
| Power loss | typ. 3.3 W |
| Resistance connection | Three-wire and four-wire |
| Potential separation | Analog inputs to backplane bus: Yes; between channels: No |
Applications
- Resistance measurement: The module performs resistance measurement using three-wire or four-wire connections.
Key Features
- Analog inputs: 8 analog inputs are provided for resistance measurement.
- Supported input types: Resistance thermometer and resistance inputs are supported, including Ni 100, Ni 1000, Pt 100, Pt 1000, Pt 200 and Pt 500.
- Resolution and timing: Resolution with overrange is max. 16 bit; integration time is 20 ms at 50 Hz for the entire module including wire break.
- Diagnostics and alarms: Parameterizable diagnostics, diagnostic alarms and hardware interrupts are available; limit value alarms are supported.
- Isolation: The analog inputs have internal/external potential separation and are separated from the backplane bus, but not between channels.
- Resistance connections: Three-wire and four-wire connections are supported for resistance measurement.
Frequently Asked Questions
1. How many analog inputs does the 6ES7431-7KF10-0AB0 have?
It has 8 analog inputs.
2. Which resistance sensors does this module support?
It supports Ni 100, Ni 1000, Pt 100, Pt 1000, Pt 200 and Pt 500.
3. What resolution and integration time are available?
Resolution with overrange is max. 16 bit. Integration time is 20 ms at 50 Hz for the entire module including wire break.
4. Does the module provide diagnostics and alarms?
Yes. Diagnostics, diagnostic alarms, limit value alarms and hardware interrupts are supported; diagnostics and diagnostic alarms are parameterizable.
5. Which connections are supported for resistance measurement?
Three-wire and four-wire connections are supported.
