Technical Summary
| Product type | SIMATIC S7-300 digital input SM 321 |
|---|---|
| Number of digital inputs | 64 |
| Input voltage | 24 V DC |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Potential separation digital inputs between the channels | No |
| Potential separation digital inputs between the channels, in groups of | 16 |
| Potential separation digital inputs between the channels and backplane bus | Yes; Optocoupler |
| Reverse polarity protection | Yes |
| Input current from backplane bus 5 V DC, max. | 100 mA |
| Power loss, typ. | 7 W |
| Connection method required front connector | Cable: 6ES7392-4Bxx0-0AA0 terminal blocks: 6ES7392-1xN00-0AA0 |
Key Features
SIMATIC S7-300 digital input SM 321
Digital input module for the SIMATIC S7-300 series.
Digital input module for the SIMATIC S7-300 series.
64 DI
Provides 64 digital inputs.
Provides 64 digital inputs.
24 V DC input rating
Uses 24 V DC as the rated input voltage.
Uses 24 V DC as the rated input voltage.
Isolated in groups of 16
Digital inputs are isolated in groups of 16.
Digital inputs are isolated in groups of 16.
Required connection parts
Requires sinking/sourcing input terminal blocks 6ES7392-1.N00-0AA0 and cable 6ES7392-4…0-0AA0.
Requires sinking/sourcing input terminal blocks 6ES7392-1.N00-0AA0 and cable 6ES7392-4…0-0AA0.
Applications
Digital input signal acquisition
Connects 24 V DC digital input signals to a SIMATIC S7-300 controller system.
Connects 24 V DC digital input signals to a SIMATIC S7-300 controller system.
Grouped input isolation
Supports input handling with isolation in groups of 16.
Supports input handling with isolation in groups of 16.
Frequently Asked Questions
What is Siemens 6ES7321-1BP00-0AA0?
It is a SIMATIC S7-300 digital input SM 321 spare part.
How many digital inputs does 6ES7321-1BP00-0AA0 provide?
It provides 64 digital inputs.
What is the input voltage of 6ES7321-1BP00-0AA0?
The rated input voltage is 24 V DC.
What connection parts are required for 6ES7321-1BP00-0AA0?
It requires sinking/sourcing input terminal blocks 6ES7392-1.N00-0AA0 and cable 6ES7392-4…0-0AA0.
