Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Digital input channels | 16 |
| Input voltage | 48 V DC to 125 V DC |
| Signal 0 input range | -146 V DC to +15 V DC |
| Signal 1 input range | 30 V DC to 146 V DC |
| Backplane bus current | 40 mA max. at 5 V DC |
| Power loss | 4.3 W typ. |
| Input connection | 1x 20-pole |
| Electrical isolation | Between digital inputs and backplane bus; optocoupler |
| Channel separation | No separation between channels, in groups of 8 |
| Input transition 0 to 1 | 0.1 ms min. to 3.5 ms max. |
| Input transition 1 to 0 | 0.7 ms min. to 3 ms max. |
| Mounting limit | All mounting positions: 8 up to 60 °C; 6 up to 70 °C |
Applications
- Digital signal acquisition: Acquisition of 16 DC digital input signals through the module's isolated digital inputs.
Key Features
- Digital inputs: 16 digital inputs with an input characteristic curve in accordance with IEC 61131, type 1.
- Input voltage: DC input voltage: 48 V DC to 125 V DC; signal 0: -146 V DC to +15 V DC; signal 1: 30 V DC to 146 V DC.
- Electrical isolation: The digital inputs are electrically isolated from the backplane bus through an optocoupler. The inputs are not isolated between channels, in groups of 8.
- Signal timing: For standard inputs, 0 to 1 transition time is 0.1 ms min. to 3.5 ms max.; 1 to 0 transition time is 0.7 ms min. to 3 ms max.
- Connection and coating: Connection: 1x 20-pole. The module has conformal coating and supports 2-wire sensors with permissible quiescent current of 1 mA max.
- Product status: This product is a spare part and has product cancellation status.
Frequently Asked Questions
1. How many digital inputs does the 6AG1321-1CH20-2AA0 have?
It has 16 digital inputs.
2. What input voltage ranges does this module support?
The input voltage is 48 V DC to 125 V DC. Signal 0 is -146 V DC to +15 V DC, and signal 1 is 30 V DC to 146 V DC.
3. Are the digital inputs electrically isolated?
The digital inputs are isolated from the backplane bus through an optocoupler. They are not isolated between channels, in groups of 8.
4. Does the module provide diagnostics or alarms?
It has no alarms, diagnostics function, diagnostic alarm, hardware interrupt, or group error SF LED indication. The digital input status indicator is available.
5. What connection is supplied, and what should be verified before inquiry?
The connection is 1x 20-pole. Verify the required input voltage, mounting position and temperature limit before inquiry.
