Key Features
- Module type: SIMATIC S7-300 digital input SM 321.
- Input configuration: 16 isolated digital inputs.
- Input voltage: 120/230 V AC.
- Connection method: 1x 20-pole front connector required.
- Product lifecycle: Product cancellation.
Technical Summary
| Product family | SIMATIC S7-300 |
|---|---|
| Module type | digital input SM 321 |
| Product status | spare part |
| Product lifecycle | Product cancellation |
| Number of digital inputs | 16 |
| Input voltage | 120/230 V AC |
| Input voltage frequency | 47 … 63 Hz |
| Load voltage L1 rated value | 230 V; 120/230 V AC; all load voltages must have the same phase. |
| Input current from backplane bus 5 V DC, max. | 29 mA |
| Power loss, typ. | 4.9 W |
| Connection method | required front connector 20-pin |
Applications
- Acquisition of AC digital input signals: For reading 16 isolated 120/230 V AC digital input signals in a SIMATIC S7-300 system.
- Connection of field signals through a 20-pole front connector: For wiring the module with a 1x 20-pole front connector.
Frequently Asked Questions
What is Siemens 6ES7321-1FH00-0AA0?
It is a SIMATIC S7-300 digital input SM 321 spare part.
How many digital inputs does 6ES7321-1FH00-0AA0 have?
It has 16 isolated digital inputs.
What input voltage does 6ES7321-1FH00-0AA0 use?
The input voltage is 120/230 V AC, with 47 … 63 Hz.
What connection is required for 6ES7321-1FH00-0AA0?
A required front connector 20-pin is specified.
What lifecycle status is listed for 6ES7321-1FH00-0AA0?
The product lifecycle is Product cancellation.
