Key Features
- 32 digital inputs: Digital input module with 32 channels in groups of 16.
- Diagnostics and hardware interrupts: Supports diagnostics and hardware interrupts for input monitoring.
- 24 V DC supply: Rated supply voltage: 24 V DC, with permissible range 19.2 V to 28.8 V.
- Input delay parameterization: Input delay for standard inputs is parameterizable from 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms.
- Conformal coating and temperature range: Built with conformal coating and specified for -40…+70 °C.
Applications
- 24 V DC digital signal acquisition: Acquires 24 V DC digital input signals in a PLC system.
- Input event monitoring with diagnostics: Supports monitoring of input states with diagnostics and diagnostic alarms.
- Counter input processing: Handles counter tasks with up to 2 counters and a maximum counting frequency of 3 kHz.
Technical Summary
| Product type designation | DI 32x24VDC HF |
|---|---|
| Based on | 6ES7521-1BL00-0AB0 |
| 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 |
| Number of digital inputs | 32; > +60 °C, number of simultaneously controllable inputs max. 16 |
| Input delay for standard inputs | 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms |
| Input signal level for "0" | -30 to +5 V |
| Input signal level for "1" | +11 to +30V |
| Counter, max. | 2 |
| Counting frequency, max. | 3 kHz; FS04 and FW V2.2.1 or higher |
| Isolation tested with | 707 V DC (type test) |
Frequently Asked Questions
What is Siemens 6AG1521-1BL00-7AB0?
It is a SIPLUS S7-1500 DI 32x24VDC HF digital input module.
How many digital inputs does 6AG1521-1BL00-7AB0 have?
It has 32 digital inputs in groups of 16.
What supply voltage does this digital input module use?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
Does 6AG1521-1BL00-7AB0 support diagnostics or interrupts?
Yes. It supports diagnostics, diagnostic alarms, and hardware interrupts.
