Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Digital input channels | 16 |
| Rated input voltage | 24 V DC |
| Signal "0" input voltage | -30 to +5 V |
| Signal "1" input voltage | 13 to 30V |
| Required front connector | 20-pin |
| Backplane bus isolation | Yes; Optocoupler |
| Channel-to-channel isolation | No |
Applications
- Digital signal acquisition: Acquires 24 V DC digital signals through 16 digital inputs.
Key Features
- Digital inputs: 16 digital inputs for 24 V DC signals.
- Input voltage: Rated input voltage: 24 V DC; signal "0": -30 to +5 V; signal "1": 13 to 30V.
- Electrical isolation: Digital inputs are electrically isolated from the backplane bus by an optocoupler; channels are not isolated from each other.
- Front connector: Required front connector: 20-pin.
- Input diagnostics: Green digital-input status indicator LED is available; diagnostic function, diagnostic alarms, and hardware interrupts are not available.
- Module dimensions: Dimensions: 40 mm width, 125 mm height, and 120 mm depth; weight approx. 200 g.
Frequently Asked Questions
1. How many digital inputs does the 6ES7321-1BH02-0AA0 have?
It has 16 digital inputs for 24 V DC signals.
2. What input voltage ranges are supported?
The rated input voltage is 24 V DC. Signal "0" is -30 to +5 V, and signal "1" is 13 to 30V.
3. Does the module provide electrical isolation?
The digital inputs are isolated from the backplane bus by an optocoupler, but the channels are not isolated from each other.
4. Which front connector is required?
A 20-pin front connector is required.
