Product Description
Key Features
- Product identity: SIPLUS S7-300 spare part based on 6ES7321-1CH20-0AA0, with conformal coating.
- Digital inputs: 16 isolated digital inputs with an IEC 61131 type 1 input characteristic curve.
- Input voltage: DC input voltage; rated value 48 V and permissible range 48 V DC to 125 V DC.
- Connection: 1x 20-pole connection.
- Input response: Signal "0": -146 V DC to +15 V DC; signal "1": 30 V DC to 146 V DC; signal "1" input current, typical: 3.5 mA.
- Isolation and diagnostics: Digital inputs are isolated from the backplane bus by an optocoupler. Alarms, diagnostics function, diagnostic alarm, and hardware interrupt are not available.
Technical Summary
| Product type | SIPLUS S7-300 digital input module |
|---|---|
| Based on | 6ES7321-1CH20-0AA0 |
| Digital inputs | 16 |
| Input voltage | 48 V DC to 125 V DC |
| Input current for signal "1", typ. | 3.5 mA |
| Backplane bus input current, max. | 40 mA |
| Power loss, typ. | 4.3 W |
| Connection | 1x 20-pole |
| Conformal coating | Yes |
| Digital input isolation | Between digital inputs and backplane bus: Yes; Optocoupler |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
What exact model should be confirmed for this Siemens spare part?
Confirm order number 6AG1321-1CH20-2AA0 and the base model 6ES7321-1CH20-0AA0.
What input configuration does 6AG1321-1CH20-2AA0 have?
It has 16 isolated digital inputs for 48 V DC to 125 V DC, with a 1x 20-pole connection.
Does this configuration include diagnostics or alarms?
It is without alarms, diagnostics function, diagnostic alarm, and hardware interrupt.
What lifecycle status is supplied for this model?
The supplied lifecycle status is Product cancellation.
