Product Description
Key Features
- Digital input capacity: 16 digital inputs in groups of 8, with parameterizable inputs and IEC 61131 type 2 input characteristic.
- Encoder and supply data: 24 V DC encoder supply with 150 mA maximum output current per group and 300 mA maximum per module; short-circuit protection is provided per group.
- Counting and oversampling: Up to 4 counters and a maximum counting frequency of 20 kHz; 32-bit counting width and oversampling are supported.
- Input processing: Parameterizable input delay from 0.05 ms to 20 ms, pulse extension, chatter monitoring, signal inversion diagnostics, and hardware interrupts.
- Interfaces and diagnostics: Front connector with screw terminals or push-in connection; PROFINET from GSD version V2.3 and PROFIBUS from GSD version V1.0.
- Product status and firmware: Active Product, firmware version V1.0.0, firmware update possible, and HW functional status from FS01.
Technical Summary
| Product type | DI 16×24 V DC HS |
|---|---|
| Digital inputs | 16 |
| Encoder supply | 24 V DC; 16 outputs, 2x 24 V DC |
| Counting frequency, max. | 20 kHz |
| Counter configuration | 4 totalizers max. 10 kHz or 2 totalizers max. 20 kHz + 2 totalizers max. 10 kHz |
| Input delay | 0.05 ms to 20 ms |
| Supply voltage | 24 V DC; permissible range 19.2 V to 28.8 V |
| Firmware version | V1.0.0 |
| Front connector | Screw terminals or push-in |
| PROFINET GSD version | V2.3 |
| PROFIBUS GSD version | V1.0 / V5.1 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What order number should be confirmed for this Siemens input module?
Confirm order number 6ES7521-7BH00-0AB0 on the nameplate or installed-part documentation.
Which firmware version does 6ES7521-7BH00-0AB0 have?
Firmware version V1.0.0 is supplied, and a firmware update is possible.
Which front connector is used?
The front connector uses screw terminals or push-in connection.
What input and counting data should be checked?
Check 16 digital inputs, a 24 V DC rated input voltage, parameterizable input delay from 0.05 ms to 20 ms, and counting up to 20 kHz.
Is a shield set included in this configuration?
It is without a shield set; the shield set is ordered separately if applicable.
