Key Features
- Digital input module: SIMATIC S7-1500 digital input module DI 16×24 V DC HS with 16 channels.
- 24 V DC supply: Supply voltage rated value: 24 V DC, with permissible range from 19.2 V to 28.8 V.
- Integrated diagnostics and counting: Integrated counting function up to 20 kHz, with chatter monitoring, signal inversion diagnostics, and hardware interrupts.
- Front connector options: Front connector available with screw terminals or push-in.
Technical Summary
| Product type designation | DI 16×24 V DC HS |
|---|---|
| Product lifecycle | Active Product |
| Digital inputs | 16 |
| Channels per group | 16 channels in groups of 8 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range (DC) | 19.2 V to 28.8 V |
| Input delay, parameterizable | 0.05..20 ms |
| Isochronous mode | Yes |
| Counting frequency, max. | 20 kHz |
| Input type | 2 (IEC 61131) |
| Encoder supply | 24 V DC |
| Front connector | screw terminals or push-in |
Applications
- 24 V digital signal acquisition: For reading 24 V digital input signals through 16 channels.
- Fast pulse counting: For counting pulse signals with the integrated counting function up to 20 kHz.
- Signal monitoring and alarm handling: For monitoring input signals with diagnostics, hardware interrupts, and signal inversion diagnostics.
Frequently Asked Questions
What is the exact Siemens model and product type?
The exact model is 6ES7521-7BH00-0AB0, and the product type designation is DI 16×24 V DC HS.
How many digital inputs does this module have?
It has 16 digital inputs, arranged in groups of 8.
What supply voltage does the module use?
Rated supply voltage is 24 V DC, with a permissible range from 19.2 V to 28.8 V.
What connection options are available on the front connector?
The front connector is available with screw terminals or push-in.
