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Siemens 6ES7521-1BH10-0AA0 | Digital Input Module for SIMATIC S7-1500 PLCs
Overview
The Siemens 6ES7521-1BH10-0AA0 is a standard 16-channel digital input (DI) module for the SIMATIC S7-1500 PLC series. It operates at 24V DC and features sink input circuitry, providing reliable signal acquisition in industrial automation environments. Designed for durability and compact installation, this module is ideal for standard digital signal monitoring.
Key Features
-
16 Digital Inputs – 24V DC, sink (type 1) configuration
-
Module Type: Standard (ST)
-
Debounce Time Configurable – Reduces signal noise for accurate readings
-
Status LEDs: Clear diagnostics per channel
-
Compact Width (35 mm): Saves control cabinet space
-
Compatible with TIA Portal: Easy parameter configuration
-
Firmware Upgradable: Stay current with system updates
-
Front Connector Required: Push-in or screw terminal (ordered separately)
Technical Specifications
-
Catalog Number: 6ES7521-1BH10-0AA0
-
Voltage Range: 20.4 to 28.8 V DC
-
Input Type: Sink (current-sinking), type 1 (IEC 61131)
-
Nominal Input Voltage: 24V DC
-
Input Delay:
-
OFF → ON: 0.05 to 20 ms (adjustable)
-
ON → OFF: 0.05 to 20 ms (adjustable)
-
-
Current per Input: 2.5 mA
-
Isolation: Groupwise (8 inputs per group)
-
Power Loss: Approx. 1.5 W
-
Current Draw from Backplane Bus: Max. 35 mA
-
Dimensions (W x H x D): 35 x 147 x 129 mm
-
Weight: Approx. 210 g
-
Operating Temperature: 0°C to +60°C
-
Protection Class: IP20
-
Certifications: CE, UL, cULus, RoHS compliant
Applications
-
Industrial Machine Control
-
Factory Automation
-
Conveyor and Packaging Systems
-
Monitoring of Switches, Sensors, Pushbuttons
Why Choose the 6ES7521-1BH10-0AA0?
-
Compact & Efficient: High-density input module in a slim housing
-
Reliable Signal Capture: Adjustable debounce filters reduce false readings
-
Easy Integration: Seamless with SIMATIC S7-1500 and TIA Portal
-
Diagnostic Capability: LED indicators speed up troubleshooting
-
Durable & Certified: Built to last in demanding industrial conditions
Order Now
In stock and available for immediate shipping.
Description
Siemens 6ES7521-1BH10-0AA0 | Digital Input Module for SIMATIC S7-1500 PLCs
Overview
The Siemens 6ES7521-1BH10-0AA0 is a standard 16-channel digital input (DI) module for the SIMATIC S7-1500 PLC series. It operates at 24V DC and features sink input circuitry, providing reliable signal acquisition in industrial automation environments. Designed for durability and compact installation, this module is ideal for standard digital signal monitoring.
Key Features
-
16 Digital Inputs – 24V DC, sink (type 1) configuration
-
Module Type: Standard (ST)
-
Debounce Time Configurable – Reduces signal noise for accurate readings
-
Status LEDs: Clear diagnostics per channel
-
Compact Width (35 mm): Saves control cabinet space
-
Compatible with TIA Portal: Easy parameter configuration
-
Firmware Upgradable: Stay current with system updates
-
Front Connector Required: Push-in or screw terminal (ordered separately)
Technical Specifications
-
Catalog Number: 6ES7521-1BH10-0AA0
-
Voltage Range: 20.4 to 28.8 V DC
-
Input Type: Sink (current-sinking), type 1 (IEC 61131)
-
Nominal Input Voltage: 24V DC
-
Input Delay:
-
OFF → ON: 0.05 to 20 ms (adjustable)
-
ON → OFF: 0.05 to 20 ms (adjustable)
-
-
Current per Input: 2.5 mA
-
Isolation: Groupwise (8 inputs per group)
-
Power Loss: Approx. 1.5 W
-
Current Draw from Backplane Bus: Max. 35 mA
-
Dimensions (W x H x D): 35 x 147 x 129 mm
-
Weight: Approx. 210 g
-
Operating Temperature: 0°C to +60°C
-
Protection Class: IP20
-
Certifications: CE, UL, cULus, RoHS compliant
Applications
-
Industrial Machine Control
-
Factory Automation
-
Conveyor and Packaging Systems
-
Monitoring of Switches, Sensors, Pushbuttons
Why Choose the 6ES7521-1BH10-0AA0?
-
Compact & Efficient: High-density input module in a slim housing
-
Reliable Signal Capture: Adjustable debounce filters reduce false readings
-
Easy Integration: Seamless with SIMATIC S7-1500 and TIA Portal
-
Diagnostic Capability: LED indicators speed up troubleshooting
-
Durable & Certified: Built to last in demanding industrial conditions
Order Now
In stock and available for immediate shipping.