Key Features
- 16 digital inputs: Digital input SM 321 with 16 DI.
- 24 V DC input: Input voltage type: DC; rated value (DC): 24 V.
- Diagnostics and hardware interrupt: Diagnostics function: Yes; Parameterizable. Hardware interrupt: Yes; Parameterizable.
- Isochronous mode: Suitable for isochronous mode: Yes.
- Conformal coating: Supplied with conformal coating.
- 1x 20-pole connection: Connection detail: 1x 20-pole.
Applications
- 24 V DC digital signal acquisition: Acquiring 16 digital input signals in an S7-300 station.
- Monitored input handling: Using diagnostics, alarms, and hardware interrupts for digital input monitoring.
Technical Summary
| Based on | 6ES7321-7BH01-0AB0 |
|---|---|
| Isochronous mode | Yes |
| Number of digital inputs | 16 |
| Input voltage type | DC |
| Input voltage rated value (DC) | 24 V |
| Input current for signal "1", typ. | 7 mA |
| Load voltage L+ rated value (DC) | 24 V |
| Load voltage L+ permissible range, lower limit (DC) | 20.4 V |
| Load voltage L+ permissible range, upper limit (DC) | 28.8 V |
| Diagnostics function | Yes; Parameterizable |
| Hardware interrupt | Yes; Parameterizable |
| Potential separation digital inputs between the channels and backplane bus | Yes; Optocoupler |
Frequently Asked Questions
What is Siemens 6AG1321-7BH01-4AS0?
It is a SIPLUS S7-300 SM 321 digital input module with 16 DI.
How many digital inputs does 6AG1321-7BH01-4AS0 have?
It has 16 digital inputs.
What input voltage does 6AG1321-7BH01-4AS0 use?
The input voltage type is DC, and the rated value is 24 V.
Does 6AG1321-7BH01-4AS0 support diagnostics and hardware interrupt?
Yes. Diagnostics function and hardware interrupt are both available and parameterizable.
What is the load voltage L+ range for 6AG1321-7BH01-4AS0?
The load voltage L+ rated value is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
