Key Features
- Digital input module: SIMATIC S7-1500 digital input module DI 16×24 V DC HF with 16 channels.
- Counter-capable inputs: 2 inputs can be used as counters.
- Diagnostics and interrupts: Diagnostics and hardware interrupts are supported.
- Front connector ordering: Front connector with screw terminals or push-in must be ordered separately.
- Input delay: Input delay: 0.05..20 ms.
Technical Summary
| Product type designation | DI 16x24VDC HF |
|---|---|
| Number of digital inputs | 16 |
| Counter inputs | 2 |
| 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 |
| Input delay | 0.05..20 ms |
| Input characteristic curve | IEC 61131, type 3 |
| Diagnostics function | Yes |
| Hardware interrupt | Yes |
| PROFINET from GSD version/GSD revision | V2.3 / – |
| Front connector | screw terminals or push-in to be ordered separately |
Applications
- 16-channel digital input acquisition: Reading 16 digital input signals in a SIMATIC S7-1500 system.
- Counter input processing: Using 2 inputs for counter functions.
Frequently Asked Questions
What is the exact model designation of this Siemens module?
The product type designation is DI 16x24VDC HF.
How many digital inputs does 6ES7521-1BH00-0AB0 have?
It has 16 digital inputs.
What is the supply voltage for this DI module?
Rated value (DC) is 24 V, with a permissible range of 19.2 V to 28.8 V.
What connection part is needed for installation?
The front connector must be ordered separately, with screw terminals or push-in.
