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Quick turnaround puts one Delta client back in business

We recently had a new client call us with two 3240 drive controllers that needed repair. His production was disabled and he needed at least one of them turned around in 24 hours. His units arrived the next day and we repaired one immediately making sure it functioned...

Water and VFDs don’t mix!

We recently fielded a request from a local manufacturing plant to investigate a failed variable frequency drive that controls a 100hp pump motor in a critical application. The mounting location for this drive was on the inside surface of an exterior wall inside an...

VFD Preventative Maintenance:

Huge value even in ideal conditions During a recent preventative maintenance visit to a pharmaceutical manufacturer, a few interesting facts were brought to light. First, some background on this facility. This facility being a pharmaceutical manufacturing plant has to...

Humidity: The hidden culprit

Delta Automation was performing what began as a routine startup for an OEM manufacturer for a newly installed cooling tower. Delta is an authorized warranty/service center for both the cooling tower manufacturer and the installed VFD manufacturer. This installation is...

Hydrogen Sulfide

It doesn’t just smell bad, it can pose corrosion risks to electronic control systems Hydrogen sulfide is a chemical compound with the formula name H2S. In simple chemistry terms it’s two atoms of hydrogen bonded with one atom of sulfur. Hydrogen sulfide gas is...

Are your motors singing an unpleasant tune?

If so, it’s affecting more than just your hearing On a recent service call to a downtown Richmond office building, a Delta Automation field service engineer began to investigate a complaint that one of the client’s HVAC motors had begun making a subtle, yet noticeable...

Preventive Maintenance

Control costs, minimize critical failures and extended downtime “An ounce of prevention is worth a pound of cure” or more aptly in this case, an ounce of preventive maintenance is worth avoiding a possible meltdown. The buss bar in the photos below is part of the...

Variable Frequency Drives: Bypass

Clearing up confusion over much-used term, “bypass options” There is a fair amount of confusion with a frequently used term in the HVAC application of variable frequency drives (VFDs). That term is “bypass”. The bypass option has become more commonly used in the HVAC...

Motor temperature and noise

Getting to know your VFD-controlled motors will help you accurately assess what is—and what is not—often a problem Recently Delta Automation was called in to assess a motor noise complaint in a sensitive, operation center environment for a prominent banking client....

Go Green with VFDs

Conserve energy and save money with attractive paybacks Use only as much of the motor as you need to meet the load demand.Significantly reduce energy costs for operating pumps, fans, and other large mechanical systems.Increase service life by reducing mechanical...

Three become WEG grads

During the past month, Delta Automation, Inc. has had another three of its employees graduate from the WEG drive school in Suwanee, Georgia. Tom Cimburke, Skip Langley, and Wayne Lumpkin all attended the WEG-sponsored course. This adds to the others here that have...

EDM: A problem your motors can’t bear!

There may be a connection between your Variable Speed Drive and premature motor failure. With the development of SCR motor control in the early 1980s and their 360-hertz switching frequency, there arose a new clicking sound on the production floor. The technology...

Bypass panel constructed for aging HVAC system

A national pharmaceutical company with a large number of aging HVAC systems using variable frequency drives was interested in updating their systems. These systems were originally custom built to meet their specifications. The problem with custom-built products is...

Down Time = Lost Money

When another company failed to remedy  a down drive, Delta stepped in with a fix in record  time In mid-October we received a call from a client in northwestern Virginia who had been down for three days. Our client informed me that they had already lost over...

Drive puts engineer to the test

A financial client had a major East Coast hub office with several drives that would not start in auto mode, and one drive that faulted on overcurrent. A Delta engineer found different software revisions on four of the six drives. The drive with the over-current fault...

Operating room air handlers Resuscitated!

A large teaching hospital had several air handling units dedicated to their operating room ventilation systems. These systems had variable frequency drives installed on them that were beginning to fail on a regular basis due to their age. Additionally, the original...

Professional Start-up Service

Delta  Automation  offers   service  for  a  wide  variety of drive manufacturers. Delta Automation is pleased to offer Professional Start-up Service for a wide variety of drive manufacturers including Square D/ Telemecanique, Baldor, Yaskawa, ABB and WEG among...

Savvy on-site action keeps the sawdust flying at lumber company

Engineer braves Tropical Storm Ernesto to replace drive When you’re in the lumber business, if your saws aren’t running, you aren’t making any money. Delta Field Service Engineer, George Myers, had the engineering know-how to keep one lumber company up and running,...

A/B 1305 Drive Check-out Procedure

WARNING: HAZARDOUS VOLTAGE MAY BE PRESENT PLEASE CONSULT USERS MANUAL FOR A DETAILED DESCRIPTION OF SAFETY PRECAUTIONS With input power applied to the VFD, measure the input AC voltage and ensure that the readings are within Allen Bradley’s specifications.  Measure...

Line Reactors with AC Drives

Should you specify a line or load reactor when installing an AC drive application?  Most drives 10 horsepower and larger have DC link chokes already installed in the DC bus between the rectifier bridge and the capacitor bank to reduce harmonics.  Drives less...

WEG Drives & Motors

Delta Automation, Inc. and WEG Electric Corp. are happy to announce that Delta Automation, Inc, has become an authorized service center for their line of industrial AC drives, soft starts, controls, and motors. Additionally, Delta will be a stocking distributor for...

Does Your VFD Have Motion Sickness?

Keeping your Drive healthy Did you know that Variable Frequency Drives require maintenance? Simply by initiating a preventive maintenance program, you can ensure many years of trouble-free service from your VFD. Now let’s look at what a VFD is and how it works. A VFD...

Motor and Resolver Cable Assemblies

The cables which are typically utilized in an industrial environment that interconnect the drive/servo system to the motor and/or resolver, are usually very specialized units. Specifically, the cable and jacket are usually oil resistant or UV protected and typically...

VFD Maintenance Tip

An important issue on all types of variable frequency drives is the maintenance of the cooling fans. On smaller horsepower units there is usually only one fan. The bigger drives have sometimes two or three fans. These units typically have filter media of some type...

Important VFD Grounding Issues

Recently, a large user of Square D Altivar drives began experiencing nuisance trips of various types on several large (150 HP) drives. The user had exchanged the drives with their spare, replaced it with another from the manufacturer and tried various other fixes....

Emergency Drive Repair Saves Production

Recently, an Emergency call was received at Delta Automation, Inc. at 4:00 A.M. on a Sunday morning. The call for help came in via our Emergency Extension 55. Several events immediately went into action. First, the on-call order entry person returned the customer’s...

On-site Start-up services for Drives

The drive manufacturers for which Delta Automation Inc. is authorized by, recommend an on-site visit from a factory authorized service person to inspect the installation. This inspection accomplishes several things: it assures that the application is correct with...

Delta Automation Inc.
5120 Glen Alden Drive
Richmond, Virginia, 23231

Sales@Deltaautomation.com

Delta Automation - The Leader in VFDs, PLCs, and Motors & Controls 

Located in Richmond Virginia, Delta Automation is an Industry Leader in Industrial Electronics Remanufacturing (depot type repair), On-Site Field Service, New Equipment Sales, and Mature Equipment Sales. Our focus is on Programmable Controllers (PLCs), Drives (VFDs), Control Screens (HMIs) and Peripheral Hardware Support (to include, Software & Firmware). With over 50 years of Repair and Support, we proudly offer our services.

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