Siemens Modules 6ES7521-1BH10-0AA0

The Siemens 6ES7521-1BH10-0AA0 module is a SIMATIC S7-1500 digital input module used in industrial automation systems to detect digital signals from sensors and other field devices. 

Specifications: 

• Module Type: Digital Input Module.
• PLC System: SIMATIC S7-1500.
• Number of Channels: 16 digital channels.
• Rated Input Voltage: 24 V DC.
• Input Type: Type 3 (according to IEC 61131 standard).
• Input Delay: Typically 3.2 ms.
• Front Connector: Delivery includes a Push-in front connector.
• Dimensions (DxWxH): Approximately 129 mm x 25 mm x 147 mm (depth x width x height).

This module is designed for mounting on a standard DIN rail and serves as the interface between field process signals and the S7-1500 controller.