Siemens 6ES73401AH020AE0 Communication Module

Product Description

The SIEMENS 6ES73401AH020AE0 is a communication module designed for integration into programmable logic controller (PLC) systems. It serves as a data exchange interface, enabling communication between a controller and connected field devices or networks. Modules of this type are installed by industrial automation technicians and controls engineers in process control, building automation, and machine control applications. The unit weighs 0.783 pounds and measures 5.984 inches long by 5.157 inches wide by 2.008 inches tall, making it compact enough for standard rail-mounted control cabinet installations.

This communication module is suited for use in industrial control panel environments where reliable, high-speed data transfer between a SIEMENS SIMATIC S7 series PLC rack and peripheral devices or network segments is required. It is typically installed in new control system builds or as a direct replacement module during maintenance or system upgrades. Installation is performed by qualified controls technicians or automation engineers familiar with SIMATIC hardware.

Key Features

• Compact form factor at 5.984 x 5.157 x 2.008 inches fits standard PLC rack installations
• Lightweight construction at 0.783 pounds supports easy handling and panel mounting
• Functions as a communication interface between the PLC controller and connected network devices
• Designed for rail-mounted control cabinet deployment
• Single-unit pack configuration for straightforward inventory and replacement management

Compatibility

Designed as an OEM-style replacement communication module for SIEMENS SIMATIC S7-series programmable logic controller systems requiring a plug-in rack communication interface.

Installation Notes

Installation should be performed by a qualified automation technician or controls engineer. De-energize the PLC rack and disconnect all power sources before removing or inserting any module. Follow applicable NFPA 70 (NEC) requirements for control panel wiring and consult the SIEMENS SIMATIC hardware installation manual for slot assignment and configuration procedures. Do not hot-swap the module unless the specific rack and system firmware explicitly support hot-swap operation.

Technical Specifications

• Length: 5.984 inches
• Width: 5.157 inches
• Height: 2.008 inches
• Weight: 0.783 pounds
• Package Quantity: 1 per pack
• UPC: 66264317269

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 6ES73401AH020AE0