Product Overview
Technical Summary
| Product designation | SIPLUS S7-300 SM321 digital input module |
|---|---|
| Based on | 6ES7321-1FF10-0AA0 |
| Digital inputs | 8 |
| Input voltage | 120/230 V AC (47 … 63 Hz) |
| Signal 0 | 0 to 40V |
| Signal 1 | 79 to 264V |
| Channel isolation | Yes, in groups of 1 |
| Backplane bus isolation | Yes; Optocoupler |
| Connection | 1x 40-pole |
| Power loss, typ. | 4.9 W |
| Product lifecycle | Product cancellation |
Key Features
- Product designation: SIPLUS S7-300 SM321 digital input module, based on 6ES7321-1FF10-0AA0.
- Digital inputs: 8 digital inputs with an input characteristic curve in accordance with IEC 61131, type 1.
- Input voltage: AC input voltage; rated value: 120/230 V AC (47 … 63 Hz).
- Input isolation: Digital inputs are isolated between the channels in groups of 1 and between the channels and backplane bus by optocoupler.
- Connection: 1x 40-pole connection.
- Environmental design: Conformal coating with a -25…+70 °C range.
Frequently Asked Questions
What does Siemens order number 6AG1321-1FF10-7AA0 identify?
It identifies a SIPLUS S7-300 SM321 digital input module based on 6ES7321-1FF10-0AA0, with 8 isolated AC inputs for 120/230 V AC.
Which specifications distinguish this MLFB?
The listed variant has 8 digital inputs, 120/230 V AC input voltage (47 … 63 Hz), conformal coating, a -25…+70 °C range, and 1x 40-pole connection.
What should be checked when verifying this code?
Check the complete order number 6AG1321-1FF10-7AA0, the based-on code 6ES7321-1FF10-0AA0, the 8-input configuration, and the 120/230 V AC rating.
What information is needed for a quotation?
Confirm the required quantity and destination together with the complete order number 6AG1321-1FF10-7AA0.
