Technical Summary
| Product type designation | DI 16×24 V DC HS |
|---|---|
| Product lifecycle | Active Product |
| Number of digital inputs | 16 |
| Channels per group | 16 channels in groups of 8 |
| Rated voltage (DC) | 24 V |
| Permissible range, lower limit (DC) | 19.2 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Input delay | 0.05..20 ms |
| Integrated counting function | up to 20 kHz |
| Bus cycle time (TDP), min. | 250 µs |
| Firmware version | V1.0.0 |
| Firmware update possible | Yes |
Key Features
16-channel digital input module
DI 16×24 V DC HS with 16 channels in groups of 8.
DI 16×24 V DC HS with 16 channels in groups of 8.
24 V sensor and encoder supply
Designed for 24 V encoder use and 24 V DC sensor supply.
Designed for 24 V encoder use and 24 V DC sensor supply.
High-speed input functions
Input delay is parameterizable from 0.05..20 ms, with isochronous mode up to 250 µs and integrated counting up to 20 kHz.
Input delay is parameterizable from 0.05..20 ms, with isochronous mode up to 250 µs and integrated counting up to 20 kHz.
Diagnostics and monitoring
Includes pulse stretching, chatter monitoring, signal inversion diagnostics, hardware interrupts, and supply-voltage monitoring.
Includes pulse stretching, chatter monitoring, signal inversion diagnostics, hardware interrupts, and supply-voltage monitoring.
SIMATIC S7-1500 configuration
Supports STEP 7 TIA Portal configurable/integrated from version STEP 7 V17 or higher, with PROFINET and PROFIBUS engineering data available.
Supports STEP 7 TIA Portal configurable/integrated from version STEP 7 V17 or higher, with PROFINET and PROFIBUS engineering data available.
Applications
24 V encoder signal acquisition
For acquiring signals from 24 V encoder connections.
For acquiring signals from 24 V encoder connections.
SIMATIC S7-1500 digital input handling
For digital input signal acquisition in a SIMATIC S7-1500 system.
For digital input signal acquisition in a SIMATIC S7-1500 system.
Counter-based signal counting
For counting input pulses with integrated counting up to 20 kHz.
For counting input pulses with integrated counting up to 20 kHz.
Frequently Asked Questions
What is the exact product type designation of 6ES7521-7BH00-0AB0?
The product type designation is DI 16×24 V DC HS.
How many digital inputs does this SIMATIC S7-1500 module have?
It has 16 digital inputs.
What is the rated DC supply voltage for this module?
The rated value is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
What input delay settings are available?
The input delay is parameterizable from 0.05..20 ms.
Which engineering software versions are supported?
It is configurable/integrated from STEP 7 TIA Portal V17 or higher, and from STEP 7 V5.5 SP3.
