Product Overview
Technical Summary
| Digital inputs | 8 |
|---|---|
| Input voltage | AC; rated value 120 V; 120/230 V AC (47 … 63 Hz) |
| Signal 0 input voltage | 0 to 40V |
| Signal 1 input voltage | 79 to 264V |
| Input current at signal 1 | 7.5 mA (120 V); 17.3 mA (230 V), typ. |
| Front connector | 40-pin |
| Channel potential separation | Yes; in groups of 1 |
| Backplane bus potential separation | Yes; Optocoupler |
| Power loss | 4.9 W, typ. |
| Lifecycle | Product cancellation |
Key Features
8 digital inputs with input characteristic curve in accordance with IEC 61131, type 1.
Input voltage: AC; rated value: 120 V; 120/230 V AC (47 … 63 Hz).
Digital inputs have potential separation between the channels, in groups of 1, and between the channels and backplane bus; the latter uses an optocoupler.
Required front connector: 40-pin.
Product cancellation.
Frequently Asked Questions
What exact Siemens line item is this?
It is 6ES7321-1FF10-0AA0, a SIMATIC S7-300 digital input SM 321 spare part with 8 isolated AC inputs.
What input voltage does 6ES7321-1FF10-0AA0 use?
Input voltage is AC, with a rated value of 120 V; 120/230 V AC (47 … 63 Hz).
What connector is required?
The required front connector is 40-pin.
What configuration details should accompany a quotation request?
Provide the requested quantity, destination, schedule context, and any additional BOM lines with the exact line item.
