Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | DI 16x230VAC BA |
| Digital inputs | 16 |
| Input grouping | 16 channels in groups of 4 |
| Rated input voltage | 230 V; 120/230 V AC, 50/60 Hz |
| Signal 0 | 0V AC to 40V AC |
| Signal 1 | 79V AC to 264V AC |
| Input delay | 20 ms |
| Backplane bus power consumption | 1 W |
| Typical power loss | 4.9 W |
| Front connector | Screw terminals or push-in; ordered separately |
| Isolation | 250 V AC between channels and the backplane bus; 500 V AC between channels |
| Firmware version | V2.0.0 |
Key Features
- 16-channel digital input: DI 16x230VAC BA provides 16 digital inputs in groups of 4, with 16 simultaneously controllable inputs.
- 230 V AC input: Rated input is 230 V; the supported supply specification is 120/230 V AC, 50/60 Hz.
- Input signal ranges: Signal 0 is 0V AC to 40V AC; signal 1 is 79V AC to 264V AC.
- Input timing: Input delay is 20 ms; the maximum change times are 25 ms from 0 to 1 and 25 ms from 1 to 0.
- Front connector excluded: The front connector, available with screw terminals or push-in, must be ordered separately.
- Isolation and status LEDs: The channels are not electrically separated from one another, but are separated from the backplane bus. RUN, ERROR, channel status, and module diagnostics LEDs are provided.
Frequently Asked Questions
1. How many digital inputs does 6ES7521-1FH00-0AA0 have?
It has 16 digital inputs in groups of 4, and 16 inputs can be controlled simultaneously.
2. Which input voltage ranges does this module support?
The rated input is 230 V; the supported specification is 120/230 V AC, 50/60 Hz. Signal 0 is 0V AC to 40V AC, and signal 1 is 79V AC to 264V AC.
3. What is the input delay?
The input delay is 20 ms. The maximum change times are 25 ms from 0 to 1 and 25 ms from 1 to 0.
4. Is the front connector included?
No. The front connector must be ordered separately and is available with screw terminals or push-in.
