Product Overview
Technical Summary
| Product designation | SIPLUS S7-300 SM 321 digital input module |
|---|---|
| Base product | 6ES7321-1FF01-0AA0 |
| Digital inputs | 8 |
| Input type | AC |
| Rated input value | 230 V; 120/230 V AC (47 … 63 Hz) |
| Conformal coating | Yes |
| Temperature range | -40…+70 °C |
| Backplane bus input current | 29 mA at 5 V DC, max. |
| Typical power loss | 4.9 W |
| Isolation test voltage | 4 000 V DC |
Key Features
- Product designation: SIPLUS S7-300 SM 321 digital input module, based on 6ES7321-1FF01-0AA0.
- Digital inputs: 8 isolated digital inputs for 120/230 V AC.
- Conformal coating and temperature: Conformal coating; -40…+70 °C.
- Input voltage: AC; rated value 230 V and 120/230 V AC (47 … 63 Hz).
- Input isolation: Digital inputs are isolated from the backplane bus through an optocoupler; channels are not separated from each other.
- Installation capacity: Horizontal installation: 8 up to 60 °C and 8 up to 70 °C. Vertical installation: 8 up to 40 °C.
Frequently Asked Questions
What product does 6AG1321-1FF01-2AA0 identify?
It identifies a SIPLUS S7-300 SM 321 digital input module based on 6ES7321-1FF01-0AA0, with 8 isolated AC inputs.
Which specifications distinguish this MLFB variant?
The listed variant has conformal coating, -40…+70 °C, 120/230 V AC input, and 8 digital inputs.
What installation limits should be checked?
For horizontal installation, the maximum is 8 up to 60 °C and 8 up to 70 °C. For vertical installation, the maximum is 8 up to 40 °C.
What should be checked when requesting a quotation?
Check the complete order number 6AG1321-1FF01-2AA0 and provide the required quantity and destination.
