Key Features
- 32 digital inputs: DI 32x24VDC BA with 32 channels in groups of 16.
- 24 V DC input supply: Rated value (DC): 24 V; permissible range: 19.2 V to 28.8 V; reverse polarity protection: Yes.
- Fast input response: Input delay, typ.: 3.2 ms.
- Front connector included: Delivery incl. front connector Push-in.
- Status indication: RUN LED: Yes; green LED. ERROR LED: Yes; red LED. Channel status display: Yes; green LED.
Applications
- 24 V DC digital signal acquisition: For acquiring 24 V DC input signals in a SIMATIC S7-1500 system.
- 2-wire sensor connection: For connecting 2-wire sensors to the digital inputs.
Technical Summary
| Product type designation | DI 32x24VDC BA |
|---|---|
| Number of digital inputs | 32 |
| Input delay, typ. | 3.2 ms |
| 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 | 1.05 W |
| Power loss, typ. | 3 W |
| Input current for signal "1", typ. | 2.7 mA |
| FW update possible | Yes |
| Firmware version | V1.0.0 |
Frequently Asked Questions
What is Siemens 6ES7521-1BL10-0AA0?
It is a SIMATIC S7-1500 digital input module, DI 32×24 V DC BA.
How many digital inputs does 6ES7521-1BL10-0AA0 have?
It has 32 digital inputs in groups of 16.
What is the input delay of 6ES7521-1BL10-0AA0?
The typical input delay is 3.2 ms.
What supply voltage does 6ES7521-1BL10-0AA0 use?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
Does 6ES7521-1BL10-0AA0 include a front connector?
Yes. Delivery includes a front connector Push-in.