Product information
Overview
Key Features
- Digital input capacity: 16 digital inputs with 24 V DC input voltage and sourcing input characteristic.
- Channel configuration: 16 channels in groups of 16; 16 inputs are simultaneously controllable.
- Input performance: Input delay: 3.2 ms. Input current for signal "1", typ.: 4.5 mA.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 19.2 V to 28.8 V DC. Reverse polarity protection: Yes.
- Engineering and status indication: Firmware version V2.0.0, FW update possible, and STEP 7 TIA Portal configurable/integrated from version V12 / V12. RUN LED and ERROR LED are provided.
Technical Summary
| Product type designation | DI 16x24VDC SRC BA |
|---|---|
| Product lifecycle | Active Product |
| Number of digital inputs | 16 |
| Input type | Sourcing |
| Input voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range (DC) | 19.2 V to 28.8 V |
| Input delay | 3.2 ms |
| Input current for signal "1", typ. | 4.5 mA |
| Number of simultaneously controllable inputs | 16 |
| Firmware version | V2.0.0 |
| Front connector | Screw terminals or push-in; to be ordered separately |
Frequently Asked Questions
What is the exact Siemens model of this digital input module?
It is the Siemens 6ES7521-1BH50-0AA0, with product type designation DI 16x24VDC SRC BA.
How many digital inputs does the 6ES7521-1BH50-0AA0 have?
It has 16 digital inputs, with 16 channels in groups of 16 and 16 inputs simultaneously controllable.
What supply and input voltage does this module use?
The rated supply and input voltage is 24 V DC. The permissible supply voltage range is 19.2 V to 28.8 V DC.
Is the front connector included with the module?
It is not included; the front connector with screw terminals or push-in must be ordered separately.
Can I request a quotation for a quantity and destination?
Yes. Send the required quantity, destination, and project-list context for a model-specific quotation.
