Key Features
- Digital input module: 16-channel DI 16x24VDC HF module for the SIPLUS S7-1500 family.
- Diagnostics and hardware interrupts: Includes diagnostics function, diagnostic alarm, and hardware interrupt support.
- Conformal coating: Built with conformal coating for the SIPLUS extreme RAIL version.
- Input timing: Input delay is 0.05 … 20 ms, with standard inputs parameterizable at 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms.
- Supply and protection: Rated supply voltage is 24 V DC, with permissible range 19.2 V to 28.8 V and reverse polarity protection.
Applications
- Monitoring 16 digital input signals: Use for reading 16 digital input signals in groups of 16.
- Counter input capture: Use for counter operation with up to 2 counters and a maximum counting frequency of 6 kHz.
- Diagnostic event handling: Use for diagnostic alarms and hardware interrupts from the input module.
Technical Summary
| Product type designation | DI 16x24VDC HF |
|---|---|
| Based on | 6ES7521-1BH00-0AB0 |
| Number of digital inputs | 16 |
| Digital inputs, parameterizable | Yes |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range, lower limit (DC) | 19.2 V |
| Supply voltage, permissible range, upper limit (DC) | 28.8 V |
| Power consumption from the backplane bus | 1.1 W |
| Power loss, typ. | 2.6 W |
| Input delay | 0.05 … 20 ms |
| Counter, – Number, max. | 2 |
| Counter, – Counting frequency, max. | 6 kHz |
Frequently Asked Questions
What is the Siemens 6AG2521-1BH00-4AB0 used for?
It is a SIPLUS S7-1500 DI 16x24VDC HF digital input module with 16 channels.
What supply voltage does 6AG2521-1BH00-4AB0 use?
The rated supply voltage is 24 V DC, with a permissible range from 19.2 V to 28.8 V.
How many digital inputs does the module have?
It has 16 digital inputs.
Does the module support diagnostics and interrupts?
Yes. It includes diagnostics function, diagnostic alarm, and hardware interrupt support.
What input timing and counter data are available for selection?
The input delay is 0.05 … 20 ms, and the module supports up to 2 counters with a maximum counting frequency of 6 kHz.
