Key Features
- Digital input module: SM 321 20-pole with 8 DI.
- Input type: Digital input isolated.
- Input voltage: 120 V/230 V AC (47 … 63 Hz).
- Conformal coating: Conformal coating for the module.
- Temperature range: -40…+70 °C.
- Based on: Based on 6ES7321-1FF01-0AA0.
Applications
- 8-channel AC digital signal acquisition: Use for reading 8 digital input signals with AC input voltage.
- Isolated field signal interfacing: Use for interfacing isolated digital input channels with the backplane bus.
Technical Summary
| Based on | 6ES7321-1FF01-0AA0 |
|---|---|
| Product function | Isochronous mode: No |
| Number of digital inputs | 8 |
| Input voltage, rated value (AC) | 230 V; 120/230 V AC (47 … 63 Hz) |
| Input voltage for signal "0" | 0 to 40V |
| Input voltage for signal "1" | 79 to 264V |
| Input current for signal "1", typ. | 6.5 mA; (120 V); 11 mA (230 V) |
| Input current from backplane bus 5 V DC, max. | 29 mA |
| Power loss, typ. | 4.9 W |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Potential separation digital inputs between the channels and backplane bus | Yes; Optocoupler |
| Isolation tested with | 4 000 V DC |
Frequently Asked Questions
What is Siemens 6AG1321-1FF01-2AA0?
It is a SIPLUS S7-300 SM 321 20-pole digital input module with 8 DI.
What input voltage does 6AG1321-1FF01-2AA0 use?
Its rated input voltage is 230 V; 120/230 V AC (47 … 63 Hz).
How many digital inputs does the module provide?
It provides 8 digital inputs.
Does 6AG1321-1FF01-2AA0 have isolation?
Yes. The digital inputs are isolated, and the inputs are separated from the backplane bus by optocoupler.
