Technical Summary
| Product type designation | DI 16x24VDC HF |
|---|---|
| Based on | 6ES7521-1BH00-0AB0 |
| Number of digital inputs | 16 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range | 19.2 V to 28.8 V |
| Input voltage for signal "0" | -30 to +5 V |
| Input voltage for signal "1" | +11 to +30V |
| Input delay, parameterizable | 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms |
| Current consumption, max. | 20 mA |
| Power consumption from the backplane bus | 1.1 W |
| Power loss, typ. | 2.6 W |
| Diagnostics function | Yes |
| Hardware interrupt | Yes |
Key Features
Product type designation: DI 16x24VDC HF.
Based on 6ES7521-1BH00-0AB0 with conformal coating.
16 channels in groups of 16.
Input delay is 0.05 … 20 ms.
Diagnostics function: Yes; hardware interrupt: Yes.
Temperature range: -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes).
Applications
For 16-channel digital input acquisition.
For counter operation on the DI module.
For input diagnostics and hardware interrupt handling.
Frequently Asked Questions
What is Siemens 6AG2521-1BH00-4AB0?
It is a SIPLUS S7-1500 DI 16x24VDC HF digital input module.
What supply voltage does 6AG2521-1BH00-4AB0 use?
Rated value (DC): 24 V. Permissible range: 19.2 V to 28.8 V.
How many digital inputs does the 6AG2521-1BH00-4AB0 have?
It has 16 digital inputs.
What input delay settings are available for this module?
The input delay is parameterizable at 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms.
Does 6AG2521-1BH00-4AB0 support diagnostics and hardware interrupts?
Yes. Diagnostics function and hardware interrupt are both supported.
