Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Digital input channels | 8 |
| Input voltage | 120/230 V AC (47 … 63 Hz) |
| Signal "0" input voltage | 0 to 40V |
| Signal "1" input voltage | 79 to 264V |
| Required front connector | 20-pin |
| Backplane bus isolation | Yes; Optocoupler |
| Channel potential separation | No; in groups of 2 |
| Signal transition time | Max. 25 ms at "0" to "1" and max. 25 ms at "1" to "0" |
| Backplane bus input current | 29 mA max. at 5 V DC |
| Power loss | 4.9 W typ. |
Applications
- AC digital signal acquisition: Acquires 120/230 V AC digital signals through 8 digital inputs.
Key Features
- Digital input channels: 8 digital AC inputs with IEC 61131 type 1 input characteristic.
- Input voltage: Rated input voltage: 230 V; 120/230 V AC (47 … 63 Hz). Signal "0": 0 to 40V; signal "1": 79 to 264V.
- Isolation: Digital inputs are isolated from the backplane bus by optocoupler; channels are not isolated from one another and are grouped in groups of 2.
- Connection: Required front connector: 20-pin.
- Input timing and current: Input current for signal "1", typ.: 6.5 mA at 120 V and 11 mA at 230 V. Standard-input transition time is max. 25 ms in either direction.
- Module dimensions: Width: 40 mm; height: 125 mm; depth: 120 mm. Weight, approx.: 240 g.
Frequently Asked Questions
1. How many digital inputs does the 6ES7321-1FF01-0AA0 have?
It has 8 digital AC inputs.
2. What input voltage ranges does this module support?
The rated input voltage is 230 V; 120/230 V AC (47 … 63 Hz). Signal "0" is 0 to 40V, and signal "1" is 79 to 264V.
3. What connector is required?
A 20-pin front connector is required.
4. Are the digital inputs isolated from the backplane bus?
Yes. The digital inputs are isolated from the backplane bus by optocoupler. The channels are not isolated from one another and are grouped in groups of 2.
