6ES7521-1BH00-0AB0
SIEMENS SIMATIC S7-1500 DI 16x24V DC HF — 6ES7521-1BH00-0AB0
The Siemens 6ES7521-1BH00-0AB0 is a SIMATIC S7-1500 Digital Input Module (DI 16x24 V DC HF) designed for reliable acquisition of 24 V DC switching signals in industrial automation systems. With 16 digital input channels, configurable input delay, integrated diagnostics, hardware interrupt functionality and two counter-capable inputs, the module provides flexible signal processing for machine and plant control applications.
It is suitable for applications where fast and dependable detection of field signals is required, including machine builders, production lines, control panels and automated manufacturing systems.
PRODUCT DETAILS
Article Number: 6ES7521-1BH00-0AB0
Product Family: SIMATIC S7-1500
Module Type: Digital Input Module
Module Designation: DI 16x24 V DC HF
Input Channels: 16 Digital Inputs
Rated Input Voltage: 24 V DC
Input Grouping: 16 channels in 1 group
Input Type: Type 3 according to IEC 61131
Input Delay: Adjustable from 0.05 to 20 ms
Counter Inputs: 2 inputs can be configured for counter applications
Diagnostics: Integrated diagnostics
Hardware Interrupts: Supported
Front Connector: Screw terminal or push-in connector, ordered separately
FEATURES
· 16-channel 24 V DC digital input module for S7-1500 automation systems.
· High-feature (HF) design supporting advanced input functionality.
· Adjustable input delay from 0.05 to 20 ms for application-specific signal filtering.
· Two inputs can be utilized as counters, expanding the module's functionality beyond standard digital signal monitoring.
· Integrated diagnostic functions help identify input and module-related conditions.
· Hardware interrupt capability supports fast response to important process events.
· Supports Type 3 input characteristics according to IEC 61131.
· Suitable for integration into centralized S7-1500 control panels and industrial automation architectures.
BENEFITS
- 16-channel digital input architecture
- Designed for 24 V DC field signals
- High-functionality HF module
- 0.05–20 ms adjustable input delay
- 2 inputs configurable for counter applications
- Integrated diagnostic functions
- Hardware interrupt support
- IEC 61131 Type 3 input characteristics
- Suitable for machine and plant automation
- Compatible with SIMATIC S7-1500 system architecture
- Flexible front-connector options for panel wiring
MAAN ELECTRO CONTROLS
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