Key Features
- Digital input module: 16 isolated digital inputs for DC input signals.
- Input voltage range: 48 V DC to 125 V DC.
- Conformal coating: Built as a SIPLUS S7-300 spare part with conformal coating.
- Connection: 1x 20-pole connection.
- Backplane bus isolation: Potential separation between the digital inputs and the backplane bus by optocoupler.
Applications
- DC digital input acquisition: For reading 16 isolated digital input signals in a 48 V DC to 125 V DC range.
Technical Summary
| Based on | 6ES7321-1CH20-0AA0 |
|---|---|
| Number of digital inputs | 16 |
| Input voltage | 48 V DC to 125 V DC |
| Type of input voltage | DC |
| Input current for signal "1", typ. | 3.5 mA |
| Power loss, typ. | 4.3 W |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Potential separation between the channels and backplane bus | Yes; Optocoupler |
| Isolation tested with | 1 500 V DC |
| Connection | 1x 20-pole |
Frequently Asked Questions
What is Siemens 6AG1321-1CH20-2AA0?
It is a SIPLUS S7-300 SM 321 spare part digital input module.
How many digital inputs does 6AG1321-1CH20-2AA0 have?
It has 16 digital inputs.
What input voltage range does 6AG1321-1CH20-2AA0 support?
The input voltage range is 48 V DC to 125 V DC.
What connection does 6AG1321-1CH20-2AA0 use?
It uses 1x 20-pole connection.