Product Description
Key Features
- Digital input capacity: 16 isolated digital inputs with an IEC 61131 type 1 input characteristic curve.
- Input voltage: AC input with a rated value of 230 V; 120/230 V AC (47 … 63 Hz).
- Signal ranges: Signal "0": 0 to 40V; signal "1": 79 to 264V.
- Front connection: Required front connector: 20-pin.
- Channel isolation: Digital inputs have no potential separation between channels; separation from the backplane bus is provided by an Optocoupler.
- Lifecycle status: Product cancellation.
Technical Summary
| Product identity | 6ES7321-1FH00-0AA0; SIMATIC S7-300, digital input SM 321 |
|---|---|
| Digital inputs | 16 |
| Input voltage | AC; rated value 230 V; 120/230 V AC (47 … 63 Hz) |
| Signal "0" | 0 to 40V |
| Signal "1" | 79 to 264V |
| Front connector | 20-pin |
| Backplane bus input current | 5 V DC, max. 29 mA |
| Power loss | typ. 4.9 W |
| Lifecycle | Product cancellation |
Frequently Asked Questions
What order number should be confirmed for this digital input module?
Confirm the complete order number 6ES7321-1FH00-0AA0 and the SIMATIC S7-300 SM 321 identity.
What input configuration does 6ES7321-1FH00-0AA0 have?
It has 16 isolated AC digital inputs with a rated value of 230 V; 120/230 V AC (47 … 63 Hz).
Which connector is required?
A 20-pin front connector is required.
What lifecycle status is supplied for this model?
Product cancellation.
