• Siemens 6ES7422-1BL00-0AA0
  • Siemens 6ES7422-1BL00-0AA0
  • Siemens 6ES7422-1BL00-0AA0
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Siemens 6ES7422-1BL00-0AA0 SIMATIC S7-400 SM 422 Digital Output Module

Siemens 6ES7422-1BL00-0AA0 SIMATIC S7-400 SM 422 Digital Output Module

Description

The Siemens 6ES7422-1BL00-0AA0 is a high-density digital output module designed for the SIMATIC S7-400 programmable logic controller (PLC) system. As part of the SM 422 signal module series, this unit...

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SKU: 6ES7422-1BL00-0AA0
Vendor: Siemens
Category: Digital Output Module
Related Series:

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Description

The Siemens 6ES7422-1BL00-0AA0 is a high-density digital output module designed for the SIMATIC S7-400 programmable logic controller (PLC) system. As part of the SM 422 signal module series, this unit provides 32 isolated digital outputs, enabling robust control of actuators, relays, and indicators within industrial automation environments.

Features

  • 32 isolated digital output channels.
  • Rated for 24 VDC operation with a 0.5 A output current per channel.
  • Integrated electronic short-circuit protection for enhanced system reliability.
  • Inductive shutdown voltage limitation to -27 V.
  • Compatible with standard S7-400 rack mounting and backplane communication.

Applications

This module is engineered for large-scale industrial control applications requiring high-density discrete output switching. It is commonly utilized in manufacturing lines, process control systems, and complex automation tasks where reliable 24 VDC signal distribution is required for field devices.

Technical Specifications

Product Model 6ES7422-1BL00-0AA0
Module Type SM 422 Digital Output
Number of Outputs 32
Rated Voltage 24 VDC
Permissible Voltage Range 20.4 V to 28.8 V
Output Current (per channel) 0.5 A
Power Loss (typ.) 4 W
Short-circuit Protection Yes (Electronic)
Isolation Test Voltage 500 V AC / 707 V DC

Installation Guidelines

  • Ensure the S7-400 power supply is disconnected before inserting or removing the module from the rack.
  • Verify that the module is properly seated in the rack slot and secured with the integrated locking mechanism.
  • Use appropriate shielded cabling for output signals to minimize electromagnetic interference (EMI).
  • Ensure proper grounding of the S7-400 mounting rack to maintain signal integrity and safety.
  • Maintain adequate ventilation around the PLC rack to prevent overheating, as the module dissipates approximately 4 W during operation.

FAQ

Is this module compatible with all S7-400 CPUs?

The 6ES7422-1BL00-0AA0 is designed for the standard S7-400 backplane. Compatibility depends on your specific CPU configuration and hardware catalog version in your STEP 7 project. Please verify your hardware configuration in the software before deployment.

Does this module require an external power supply?

Yes, the module requires a 24 VDC load voltage supply (L+) to drive the output channels. Ensure the power supply is within the permissible range of 20.4 V to 28.8 V.