Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Digital input channels | 4 |
| Input voltage type | AC/DC |
| Rated input voltage | 24 V; 24 … 48 V UC (47 … 63 Hz) |
| Signal 0 input range | -6 to +6 V DC / 0 to 5 V AC |
| Signal 1 input range | -15 V DC to -57.6 V DC; 15 V DC to 57.6 V DC; 15 V AC to 48 V AC |
| Input current for signal 1 | 10 mA; 4 to 10 mA, typ. |
| Input transition time | 15 ms max. from 0 to 1; 15 ms max. from 1 to 0 |
| Backplane bus current | 10 mA max. from 3.3 V DC |
| Diagnostics | Parameterizable diagnostics and wire-break detection |
| Sensor type | 2-wire sensor |
| Isolation | Between digital inputs and backplane bus: Yes; between channels: No |
Applications
- Digital signal acquisition: Acquires digital AC/DC signals through 4 digital inputs.
- Wire-break diagnostics: Supports wire-break monitoring for connected 2-wire sensors.
Key Features
- Digital input channels: 4 digital inputs with an AC/DC input voltage type and IEC 61131 type 1 input characteristic.
- Input voltage: Rated input value: 24 V; 24 … 48 V UC (47 … 63 Hz).
- Signal thresholds: Signal 0: -6 to +6 V DC / 0 to 5 V AC. Signal 1: -15 V DC to -57.6 V DC; 15 V DC to 57.6 V DC; 15 V AC to 48 V AC.
- Diagnostics and indication: Parameterizable diagnostics, wire-break detection, SF red group-error LED, and green digital-input status indication per channel.
- Sensor connection: Supports 2-wire sensors with a maximum permissible quiescent current of 2 mA; minimum load current is necessary for wire-break diagnostics.
- Module dimensions and isolation: Width: 15 mm. Height: 81 mm. Depth: 52 mm. Digital inputs are isolated from the backplane bus but not between channels.
Frequently Asked Questions
1. How many digital inputs does 6ES7131-4CD02-0AB0 have?
It has 4 digital inputs.
2. What input signals does this module support?
The input voltage type is AC/DC. Signal 0 is -6 to +6 V DC / 0 to 5 V AC, and signal 1 is -15 V DC to -57.6 V DC; 15 V DC to 57.6 V DC; 15 V AC to 48 V AC.
3. Does 6ES7131-4CD02-0AB0 support wire-break diagnostics?
Yes. It has parameterizable diagnostics and wire-break detection, with an SF red group-error LED.
4. What is the module width?
The module width is 15 mm.
