Key Features
- 32 digital inputs: Digital input module with 32 channels in groups of 16.
- 2 counter inputs: 2 inputs can be used as counters.
- Diagnostics and hardware interrupts: Includes diagnostics and hardware interrupts.
- Front connector ordered separately: Front connector with screw terminals or push-in to be ordered separately.
Applications
- Digital input acquisition: For acquiring 24 V DC digital input signals.
- Counter-based input processing: For using 2 inputs as counters.
- Diagnostic signal monitoring: For diagnostics, diagnostic alarms, and hardware interrupts.
Technical Summary
| Product type designation | DI 32x24VDC HF |
|---|---|
| Digital inputs | 32 |
| 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 in accordance with IEC 61131, type 3 | Yes |
| Diagnostics function | Yes |
| Hardware interrupt | Yes |
| Front connector | screw terminals or push-in |
| Isolation tested with | 707 V DC (type test) |
Frequently Asked Questions
What is Siemens 6ES7521-1BL00-0AB0 used for?
It is a SIMATIC S7-1500 digital input module DI 32×24 V DC HF with 32 channels.
How many inputs and counter channels does 6ES7521-1BL00-0AB0 have?
It has 32 digital inputs, and 2 inputs can be used as counters.
What supply voltage does the DI 32x24VDC HF require?
Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
What connector is used with 6ES7521-1BL00-0AB0?
The front connector is ordered separately and is available with screw terminals or push-in.
Which diagnostics and interrupt functions are included?
The module includes diagnostics and hardware interrupts.
