6ES7321-7BH01-0AB0

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The Siemens 6ES7321-7BH01-0AB0 is a high-performance digital input module designed for the Simatic S7-300 PLC system. This module features 16 galvanically isolated digital inputs, operating at a rated input voltage of 24V DC. It is equipped with a 20-pin connector and supports process interrupts, diagnostics, and isochronous mode for enhanced synchronization and precision in industrial automation applications. The 6ES7321-7BH01-0AB0 is compatible with various types of sensors, including 2-wire, 3-wire, and 4-wire proximity switches, making it a versatile choice for a wide range of applications. With its advanced diagnostic capabilities and programmable input delays, this module ensures reliable and efficient operation in demanding automation environments.
Specification Description
Part Number 6ES7321-7BH01-0AB0
Alternative Part Number 6ES73217BH010AB0
Manufacturer Siemens
Category PLC Systems
Family Simatic S7
Number of Digital Inputs 16
Input Voltage (DC) 24 V
Permissible Voltage Range (DC) 20.4 V - 28.8 V
Input Current (max) 90 mA (from load voltage L+ without load)
130 mA (from backplane bus 5 V DC)
Power Loss (typical) 4 W
Input Characteristic Curve According to IEC 61131, Type 2
Cable Length (shielded, max) 1000 m
Cable Length (unshielded, max) 600 m
Connectable Encoders 2-wire sensor
Isochronous Mode Yes
Interrupts/Diagnostics/Status Info Alarms, Diagnostic Alarm, Hardware Interrupt
Galvanic Isolation Between channels and backplane bus (Optocoupler)
Connection Method 20-pin front connector
Dimensions (W x H x D) 40 mm x 125 mm x 120 mm
Weight (approx.) 200 g

What is the input voltage range for this Siemens digital input module?

The input voltage range for the 6ES7321-7BH01-0AB0 is 20.4 VDC to 28.8 VDC.

How many digital inputs does this module have?

The 6ES7321-7BH01-0AB0 has 16 digital inputs.

Is this module galvanically isolated?

Yes, the 6ES7321-7BH01-0AB0 is galvanically isolated between the channels and the backplane bus.

What is the power loss for this module?

The typical power loss for the 6ES7321-7BH01-0AB0 is 4 W.

What is the maximum cable length for shielded and unshielded cables?

For the 6ES7321-7BH01-0AB0, the maximum cable length is 1000 m for shielded cables and 600 m for unshielded cables.

Can this module support isochronous mode?

Yes, the 6ES7321-7BH01-0AB0 supports isochronous mode.

Are the input delays programmable?

Yes, the input delays for the 6ES7321-7BH01-0AB0 are programmable with options of 0.1, 0.5, 3, 15, and 20 ms.

What type of front connector is required for this module?

A 20-pin front connector is required for the 6ES7321-7BH01-0AB0.

What are the dimensions of this module?

The dimensions of the 6ES7321-7BH01-0AB0 are 40 mm in width, 125 mm in height, and 120 mm in depth.

What is the approximate weight of this module?

The approximate weight of the 6ES7321-7BH01-0AB0 is 200 g.

  • Industrial automation systems
  • Manufacturing process control
  • Assembly line automation
  • Conveyor system control
  • Packaging machinery control
  • Material handling equipment control
  • Robotic system integration
  • Factory automation
  • Process monitoring and control
  • Building automation systems

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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