Technical Summary
| Product type designation | DI 16×24 V DC HS |
|---|---|
| Product lifecycle | Active Product |
| Number of digital inputs | 16 |
| 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 |
| Encoder supply | 16; 2x 24 V DC |
| Output current per module, max. | 300 mA |
| Counting frequency, max. | 20 kHz |
| Bus cycle time (TDP), min. | 250 µs |
| Front connector | screw terminals or push-in |
Applications
For connecting 24 V encoder signals to the module.
For counting input signals with integrated counting function up to 20 kHz.
For monitoring signal inversion, chatter and supply voltage conditions on the input channels.
Key Features
Digital input module with 16 channels in groups of 8 for SIMATIC S7-1500.
Sensor supply 24 V DC with 16 outputs, 2x 24 V DC.
Integrated counting function up to 20 kHz, isochronous mode up to 250 µs, pulse stretching and chatter monitoring.
Signal inversion diagnostics, hardware interrupts and diagnostic monitoring functions.
Front connector with screw terminals or push-in; order shield set separately if applicable.
Product lifecycle: Active Product.
Frequently Asked Questions
What is the exact Siemens order number and product type?
The exact order number is 6ES7521-7BH00-0AB0 and the product type designation is DI 16×24 V DC HS.
How many digital inputs does this module have?
It has 16 digital inputs in groups of 8.
What is the rated supply voltage for this module?
The rated supply voltage is 24 V DC.
Which front connector options are supported?
The front connector is available with screw terminals or push-in.
What lifecycle status is given for this part?
Product lifecycle: Active Product.
