6ES7521-1BL00-0AB0 IN SILVASSA
Siemens SIMATIC S7-1500 Digital Input Module – 6ES7521-1BL00-0AB0
The Siemens 6ES7521-1BL00-0AB0 is a SIMATIC S7-1500 Digital Input Module DI 32x24 V DC HF, designed for reliable digital signal acquisition in industrial automation and PLC-based control systems. The module provides 32 digital input channels, arranged in groups of 16, making it suitable for applications where a higher number of 24 V DC digital signals need to be connected to a SIMATIC S7-1500 system.
Two of the available inputs can be used as counters, providing additional flexibility for applications involving pulse or event counting. The module also features an adjustable input delay of 0.05 to 20 ms, allowing the digital input response to be configured according to application requirements.
The module uses Input Type 3 according to IEC 61131 and includes diagnostic functionality and hardware interrupts, supporting efficient monitoring and response to field-level digital signals.
The front connector is ordered separately and can be selected with either screw terminals or Push-in connection technology, providing flexibility for control-panel wiring and installation requirements.
PRODUCT SPECIFICATIONS
· Product: Siemens SIMATIC S7-1500 Digital Input Module
· Order Number: 6ES7521-1BL00-0AB0
· Module Type: DI 32x24 V DC HF
· Number of Digital Inputs: 32
· Input Voltage: 24 V DC
· Channel Arrangement: 32 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
· Connection Options: Screw terminals or Push-in
· PLC Family: SIMATIC S7-1500
· Application: Industrial digital signal acquisition and automation
BENEFITS
· 32-channel digital input configuration
· 24 V DC digital signal acquisition
· Channels arranged in groups of 16
· Two inputs usable as counters
· Adjustable input delay from 0.05 to 20 ms
· IEC 61131 Input Type 3
· Integrated diagnostics
· Hardware interrupt functionality
· Screw-terminal or Push-in front connector options
· Suitable for high-density digital signal applications
· Designed for SIMATIC S7-1500 PLC systems
· Suitable for machine, factory, and process automation
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