Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Analog inputs | 8 isolated AI; 8 for voltage/current measurement; 4 for resistance measurement |
| Resolution | 14 bit; 16 bit with activated filtering |
| Input ranges | Voltage, current, thermocouple, resistance thermometer and resistance |
| Supply | 24 V DC load voltage L+; required only for supplying 2-wire transmitters |
| Basic conversion time | 20.1 / 23.5 ms |
| Isolation | Between analog inputs and backplane bus; between analog inputs and load voltage L+; not between channels |
Applications
- Analog signal measurement: Measures voltage, current, resistance, thermocouple and resistance thermometer signals.
- Signal encoder connection: Connects voltage signal encoders, 2-wire and 4-wire current transducers, and 2-wire, 3-wire and 4-wire resistance signal encoders.
Key Features
- 8 isolated analog inputs: Provides 8 analog inputs for voltage and current measurement, plus 4 inputs for resistance measurement.
- Supported input signals: Supports voltage, current, thermocouple, resistance thermometer and resistance input ranges, including 1 V to 5 V, 0 to 20 mA and 4 mA to 20 mA.
- Resolution and timing: Resolution with overrange is 14 bit, or 16 bit with activated filtering. Basic conversion time is 20.1 / 23.5 ms.
- Supply and current: Rated load voltage L+ is 24 V DC and is required only for supplying 2-wire transmitters. Maximum input current from L+ is 200 mA for 8 connected, fully controlled 2-wire transmitters.
- Signal connection: Supports voltage measurement, 2-wire and 4-wire current measurement, and 2-wire, 3-wire and 4-wire resistance measurement.
- Isolation and dimensions: Analog inputs are isolated from the backplane bus and load voltage L+, but not between channels. Dimensions are 25 mm width, 290 mm height and 210 mm depth.
Frequently Asked Questions
1. How many analog inputs does Siemens 6ES7431-1KF10-0AB0 have?
It has 8 analog inputs. All 8 support voltage and current measurement, while 4 support resistance measurement.
2. Which signal types does 6ES7431-1KF10-0AB0 support?
It supports voltage, current, thermocouple, resistance thermometer and resistance input ranges.
3. What resolution does the module provide?
Resolution with overrange is 14 bit, or 16 bit with activated filtering.
4. Does the module provide diagnostics?
No. The source specifies the diagnostics function as No.
