Offline VSD tool simplifies start up and maintenance.

To make light work of their FR-E800 drives, Mitsubishi Electric has introduced an offline VSD tool that simplifies setup and maintenance. The innovative 24V DC plug-in module FR-E8DS is simple to install and allows users to operate the drive’s core functions without mains power.

Moreover, the FR-E8DS plug-in card provides drive availability even when removed from its application. Parameter setting and communications remain active, allowing operators to parameterise it and interrogate the inverter from the PLC.

This improves flexibility as the operating panel remains active, along with Ethernet and RS-485 communications between the VSD and other devices. The offline VSD tool can also turn any I/O terminals linked to the drive on and off.

Wayne Turtill, Product Manager Drives & LVS at Mitsubishi Electric, explains: “It is normal to need 240V or 415V to power a drive, even in standby mode. The new solution allows you to plug a 24V power supply into the drive and remove the mains connection. This keeps the control electronics and networks alive inside the drive. When inspecting an inverter, it means that you can set this drive up on your desk without needing a three-phase power supply that may not be accessible.”

Offline VSD tool troubleshooting.

Furthermore, the FR-E8DS kit also assists troubleshooting. If a fault occurs when connected, its indication remains active even with the drive removed from the mains power supply. On completion of diagnostics and maintenance, reconnecting FR-E800 units is straightforward. Reconnecting the main circuit power whilst the 24V external power supply is active switches the operation to ‘normal’ mode.

The FR-E8DS module comes with two front cover options for installation within the FR-E800 unit. In place of the standard plug-in option, users can use the smaller version if there are space limitations. The kit also includes connectors, spacers, and screws to provide a complete solution.

Turtill concludes: “Offering innovative solutions to our customers is our top priority. This is why we continue to invest in developments to improve maintenance, reliability, energy efficiency and usability. Our latest offfline VSD tool, the FR-E8DS E-kit addresses these goals to the benefit of FR-E800 users. It helps customers maximise the effectiveness of their drives and the processes they support, and improve overall operational performance.”

 

 

 

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