6ES7521-1BH00-0AB0 IN DURGAPUR

6ES7521-1BH00-0AB0 IN DURGAPUR


Siemens SIMATIC S7-1500 Digital Input Module – 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 digital signals in industrial automation systems. This high-feature input module provides 16 digital input channels, arranged in a group of 16, making it suitable for machine control, process automation, manufacturing lines, control panels, and other PLC-based applications.

The module supports high-speed signal acquisition, with an adjustable input delay range of 0.05 to 20 ms. It also provides diagnostic functions and hardware interrupts, helping automation systems respond efficiently to field events and monitor input conditions.

Two of the 16 digital inputs can additionally be used as counters, providing greater flexibility for applications requiring pulse or event counting. The module uses Input Type 3 according to IEC 61131, supporting standard industrial digital input requirements.

The front connector is ordered separately and can be selected with either screw terminals or push-in connection technology, depending on the control-panel wiring requirements.


PRODUCT SPECIFICATIONS

·        Product: Siemens SIMATIC S7-1500 Digital Input Module

·        Order Number: 6ES7521-1BH00-0AB0

·        Module Type: Digital Input Module DI 16x24 V DC HF

·        Number of Digital Inputs: 16

·        Input Voltage: 24 V DC

·        Input Arrangement: 16 channels in groups of 16

·        Counter Inputs: 2 inputs can be used as counters

·        Input Delay: 0.05 to 20 ms

·        Input Type: Type 3 according to IEC 61131

·        Diagnostics: Available

·        Hardware Interrupts: Available

·        Front Connector: Ordered separately

·        Front Connector Options: Screw terminals or push-in

·        PLC Family: SIMATIC S7-1500

·        Application: Industrial automation and digital signal acquisition


BENEFITS

·        Reliable 24 V DC digital signal acquisition

·        16-channel digital input configuration

·        Two inputs can be configured for counter applications

·        Adjustable input delay from 0.05 to 20 ms

·        Integrated diagnostic functionality

·        Hardware interrupt capability

·        IEC 61131 Type 3 input design

·        Suitable for industrial machine and process automation

·        Flexible screw-terminal or push-in front connector options

·        Designed for integration with SIMATIC S7-1500 PLC systems

·        Useful for applications requiring dependable digital field signal monitoring


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Oct 20th, 2026 2:30 PM

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