6ES7321-1BH02-0AA0

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The Siemens 6ES7321-1BH02-0AA0 is a digital input module designed for the Simatic S7-300 PLC system. This module features 16 optically isolated digital inputs, providing reliable and secure signal transmission in industrial automation applications. With a 24V DC rated input voltage, the module is compatible with a wide range of field devices. The 6ES7321-1BH02-0AA0 supports 2-wire sensor connections and offers galvanic isolation between channels and the backplane bus, ensuring safe operation in demanding environments. The module requires a 20-pin front connector for easy installation and has compact dimensions of 40mm width, 125mm height, and 120mm depth. Enhance your PLC system's capabilities with the Siemens 6ES7321-1BH02-0AA0 digital input module.
Specification Description
Part Number 6ES7321-1BH02-0AA0
Alternative Part Number 6ES73211BH020AA0
Manufacturer Siemens
Category PLC Systems
Family Simatic S7
Supply Voltage (DC) 24 V (20.4 V to 28.8 V permissible range)
Input Current (from backplane bus) Max. 10 mA
Power Loss Typical 3.5 W
Number of Digital Inputs 16
Input Characteristic Curve According to IEC 61131, Type 1
Input Voltage (DC) Rated value 24 V
Signal "0" Voltage Range -30 to +5 V
Signal "1" Voltage Range 13 to 30 V
Input Current for Signal "1" Typical 7 mA
Input Delay (for rated value) Min. 1.2 ms, Max. 4.8 ms
Cable Length (shielded) Max. 1000 m
Cable Length (unshielded) Max. 600 m
Connectable Encoders 2-wire sensor
Permissible Quiescent Current Max. 1.5 mA
Galvanic Isolation Optocoupler (between channels and backplane bus)
Permissible Potential Difference 75 VDC / 60 VAC
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 supply voltage range for this Siemens digital input module?

The supply voltage range for the Siemens 6ES7321-1BH02-0AA0 digital input module is 20.4 V DC to 28.8 V DC, with a rated value of 24 V DC.

How many digital inputs does this module have?

The Siemens 6ES7321-1BH02-0AA0 digital input module has 16 digital inputs.

What is the input current from the backplane bus 5 V DC?

The maximum input current from the backplane bus 5 V DC for the Siemens 6ES7321-1BH02-0AA0 module is 10 mA.

What is the typical power loss for this digital input module?

The typical power loss for the Siemens 6ES7321-1BH02-0AA0 digital input module is 3.5 W.

What is the input voltage range for signal '0' and signal '1'?

For the Siemens 6ES7321-1BH02-0AA0 digital input module, the input voltage range for signal '0' is -30 to +5 V, and for signal '1' is 13 to 30 V.

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

For the Siemens 6ES7321-1BH02-0AA0 digital input module, the maximum cable length for shielded cables is 1000 m, and for unshielded cables is 600 m.

What is the required front connector for this module?

The Siemens 6ES7321-1BH02-0AA0 digital input module requires a 20-pin front connector.

What are the dimensions of this digital input module?

The dimensions of the Siemens 6ES7321-1BH02-0AA0 digital input module 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 Siemens 6ES7321-1BH02-0AA0 digital input module is 200 g.

  • Industrial automation systems
  • Manufacturing process control
  • Assembly line automation
  • Packaging machinery control
  • Material handling equipment control
  • Conveyor system control
  • Robotic system integration
  • Water treatment plant monitoring
  • HVAC system 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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