Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Digital input channels | 16 |
| Input voltage | 120/230 V AC (47 … 63 Hz) |
| Signal "0" input range | 0 to 40V |
| Signal "1" input range | 79 to 264V |
| Front connector | Required, 20-pin |
| Backplane bus current | 5 V DC, max. 29 mA |
| Power loss | Typ. 4.9 W |
| Input isolation | Between digital inputs and backplane bus; optocoupler |
Applications
- AC digital signal acquisition: The 16 digital inputs acquire AC signals in the 120/230 V AC input range.
Key Features
- 16 isolated digital inputs: The module has 16 digital inputs with an IEC 61131 type 1 input characteristic.
- AC input voltage: Rated input voltage is 230 V; 120/230 V AC at 47 … 63 Hz. Signal "0" is 0 to 40V and signal "1" is 79 to 264V.
- Electrical isolation: The digital inputs are isolated from the backplane bus by an optocoupler. The isolation test voltage is 4 000 V DC.
- Front connection: A required 20-pin front connector is used for connection.
- Input status indication: The module has a green status indicator for the digital inputs. Diagnostic alarms, hardware interrupts, diagnostics function, and group error SF indication are not available.
- Installation and dimensions: The module supports horizontal installation with 16 inputs up to 40 °C and 60 °C, and vertical installation with 16 inputs up to 40 °C. Dimensions are 40 mm wide, 125 mm high, and 120 mm deep.
Frequently Asked Questions
1. How many digital inputs does 6ES7321-1FH00-0AA0 have?
It has 16 digital inputs.
2. What input voltage does this module support?
It supports 120/230 V AC (47 … 63 Hz), with a rated value of 230 V.
3. What connector is required?
A required 20-pin front connector is used.
4. Does the module provide diagnostic alarms or a group error SF LED?
No. Diagnostic alarms, the diagnostics function, and the group error SF (red) indication are not available.
5. What cable lengths are supported?
The maximum cable length is 1 000 m for shielded cable and 600 m for unshielded cable.
