Key Features
- Digital input module: SIPLUS S7-300 SM 321 20-pole with 16 DI.
- 24 V DC input rating: Load voltage L+ rated value is 24 V DC.
- Conformal coating: Built with conformal coating.
- Temperature range: Specified for -40…+70 °C.
- 20-pole connection: Provided with 1x 20-pole connection.
Technical Summary
| Product family | SIPLUS S7-300 |
|---|---|
| Module type | SM 321 |
| Based on | 6ES7321-1BH02-0AA0 |
| Number of digital inputs | 16 |
| Load voltage L+ | 24 V |
| Input voltage type | DC |
| Conformal coating | Yes |
| Temperature range | -40…+70 °C |
| Connection | 1x 20-pole |
| Power loss, typ. | 3.5 W |
| Isolation between the channels and backplane bus | Yes; Optocoupler |
| Isolation tested with | 500 V DC |
Applications
- 24 V DC digital input signal acquisition: For reading 16 digital input signals with 24 V DC input rating.
- Isolated digital input wiring: For connecting digital inputs with isolation between the channels and the backplane bus.
Frequently Asked Questions
What is Siemens 6AG1321-1BH02-2AA0?
It is a SIPLUS S7-300 SM 321 20-pole spare part with 16 DI.
How many digital inputs does 6AG1321-1BH02-2AA0 have?
It has 16 digital inputs.
What is the load voltage for the digital inputs?
The load voltage L+ rated value is 24 V DC.
What connection does the module use?
It has 1x 20-pole connection.
