Category Archives: Delta service advantages

Emergency VFD Replacements at a Level 1 Trauma Center

Last weeks multiple massive thunderstorms caused major power dips, voltage spikes/surges, voltage fluctuations, phase losses and generator switch-overs. All of these electrical events  can create havoc upon sensitive electronic devices. VFDs are no exception. During these storms with all of … Continue reading

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Utilizing Inverter Duty Motors with VFDs

This is a good article from the U.S Department of Energy discussing the effects of VFDs on non-inverter duty rated motors. It discusses the insulation class recommended, in this article, “class H” is suggested. I previously had been recommending at … Continue reading

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Delta Automation is Prepared to Assist any or all of our clients in the the wake of the Hurricanes

Graphic courtesy of NOAA Delta Automation is prepared to assist any or all of our clients that were in the path of Harvey or may be in the path of  Irma. Our stock of new and refurbished equipment is ready … Continue reading

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Consequences of Duplicate Addresses on a ModBus Plus Network

As with any addressable network, having duplicate addresses is an issue. On Modbus Plus networks, one of three things can occur. Modicon technical support disagrees on this subject but in my 30+ years of working with these networks all over … Continue reading

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Identifying ModBus Plus Connectors

Please click here to link to the complete video!

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A VFD for SINGLE PHASE MOTORS!

Delta Automation, Inc. has recently partnered with Invertek to supply, install and service their line of VFDs specifically designed for SINGLE PHASE MOTORS.   This is a very niche, specific market that we here at Delta have been searching to fulfill … Continue reading

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The Newest Addition to Delta’s Service Fleet!

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City Fountain VFD Repair

Prolonged Failure Of A VFD Gets Political Attention In South Central VA Town – Situation Abated by Delta Automation Engineers And Sales Team. Delta Automation received an emergency call from water authority officials to repair a variable frequency drive (VFD) … Continue reading

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VFD Preventive Maintenance!

Several Variable Frequency Drives (VFDs) were sent into Deltas’ shop for repair. The clients’ complaint for them was that they were failing with an “Overtemp” fault. This is a very common fault/failure on all brands of VFDs. With only a … Continue reading

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Machine Conversion With WEG CFW 11 & Motor

A Delta client had an aging production machine, that was in need of a total gearbox replacement or rebuild. This machine had a small 1 horsepower D.C. “pony” motor and speed controller to Jog the process during set-up and feeding, … Continue reading

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