Communication Module | Siemens | 6ES7521-1BH10-0AA0 S7-1500 Digital input module 6ES7 521-1BH10-0AA0

Product Description: Siemens 6ES7521-1BH10-0AA0

The Siemens 6ES7521-1BH10-0AA0 is a digital output module from the SIMATIC S7-1500 series, providing 16 channels for controlling 24 V DC signals. It is designed for high-density I/O applications in industrial automation systems, enabling the connection of relays, actuators, and other field devices. Each channel can handle up to 0.5 A, and the module supports both sinking and sourcing output types (PNP or NPN). Integrated diagnostic functions allow for easy troubleshooting, making this module suitable for a wide range of applications.

Key Features

• Digital Outputs: 16 channels for 24 V DC signals
• Output Current: 0.5 A per channel
• Output Type: Sinking (NPN) or Sourcing (PNP)
• Mounting: DIN rail within the SIMATIC S7-1500 system rack
• Configuration: Configured via TIA Portal or STEP 7
• Diagnostics: Integrated diagnostic functions for wire break and short circuit detection

Technical Specifications

• System Series: SIMATIC S7-1500
• Module Type: Digital Output Module (DO)
• Number of Outputs: 16
• Output Voltage: 24 V DC
• Output Current: 0.5 A per channel
• Output Type: Sinking (NPN) or Sourcing (PNP)
• Power Supply: Via backplane bus
• Mounting: DIN rail
• Dimensions (W × H × D): Approx. 40 mm × 125 mm × 129 mm
• Operating Temperature Range: 0 °C to +60 °C
• Protection Class: IP20
• Certifications: CE, UL, cULus

Application Areas

• Control of digital devices such as relays, actuators, and solenoids
• Suitable for high-density I/O applications in industrial automation
• Integration with SIMATIC S7-1500 PLC for modular, scalable systems
• Used in manufacturing, process control, and material handling systems

Advantages

• High-density 16-channel output module for space-saving installations
• Reliable operation with diagnostic capabilities for easy troubleshooting
• Versatile compatibility with PNP and NPN devices
• Seamless integration with SIMATIC S7-1500 PLC via TIA Portal