6ES7321-1BH50-0AA0

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The Siemens 6ES7321-1BH50-0AA0 is a high-quality Digital Input Module from the renowned SIMATIC S7 Series. This module is designed to offer reliable and efficient performance in a variety of industrial automation applications. It features 16 optically isolated digital inputs, operating at a load voltage of 24 V DC. The module is designed for source input and comes with a 20-pin front connector. With dimensions of 40 x 120 x 125 mm, it is compact and easy to install in your PLC system. The module is not just robust but also lightweight, weighing approximately 200g. It's worth noting that this module does not support isochronous operation. The Siemens 6ES7321-1BH50-0AA0 Digital Input Module is a reliable choice for enhancing the functionality of your PLC system.
Specification Description
Part Number 6ES7321-1BH50-0AA0
Alternative Part Number 6ES73211BH500AA0
Manufacturer Siemens
Category PLC Systems
Family Simatic S7
Dimensions Width: 40 mm, Height: 125 mm, Depth: 120 mm
Weight Approx. 200 g
Supply Voltage 24 V DC (20.4 V to 28.8 V permissible range)
Input Current Max. 10 mA from backplane bus 5 V DC
Power Loss Typical 3.5 W
Digital Inputs 16
Input Voltage Type DC
Rated Input Voltage 24 V DC
Cable Length (shielded) Max. 1000 m
Cable Length (unshielded) Max. 600 m
Connection Method 20-pin required front connector
Isolation 500 V DC
Compatible Encoders 2-wire sensor
Permissible Quiescent Current Max. 1.5 mA (2-wire sensor)
Input Delay Min. 1.2 ms, Max. 4.8 ms (for rated input voltage)
Isolation Optically isolated

What is the main function of this Siemens digital input module?

The Siemens 6ES7321-1BH50-0AA0 is a digital input module designed for the Simatic S7-300 PLC system. Its main function is to receive and process 24 V DC source input signals from up to 16 digital input channels, providing isolation between the channels and the backplane bus.

What are the dimensions and weight of this module?

The dimensions of the Siemens 6ES7321-1BH50-0AA0 module are 40 mm in width, 125 mm in height, and 120 mm in depth. The approximate weight of the module is 200 g.

What type of front connector is required for this digital input module?

The Siemens 6ES7321-1BH50-0AA0 digital input module requires a 20-pin front connector for proper connection.

What is the input current and power loss for this module?

The input current for the Siemens 6ES7321-1BH50-0AA0 module from the backplane bus 5 V DC is a maximum of 10 mA. The typical power loss for this module is 3.5 W.

Is there potential separation between the digital input channels?

The Siemens 6ES7321-1BH50-0AA0 module provides potential separation between the digital input channels and the backplane bus using optocouplers. However, there is no potential separation between individual channels.

Can this module be used with 2-wire sensors?

Yes, the Siemens 6ES7321-1BH50-0AA0 digital input module is compatible with 2-wire sensors. The maximum permissible quiescent current for a 2-wire sensor is 1.5 mA.

  • Industrial automation systems
  • Manufacturing process control
  • Conveyor and material handling systems
  • Packaging and bottling machinery
  • Robotics and automated assembly lines
  • Water and wastewater treatment plants
  • Building automation and HVAC control
  • Power generation and distribution monitoring

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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