RL Controls - Industrial Electronic Drives and Automation

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 An example of using a Delta VFD direct to a touchscreen via 485 comms
utilising the inverters internal PLC

In this example we have chosen to use the DELTA MS300 inverter. which benefits from built in emergency stop terminals.

We have coupled this to a Delta DOP 107 HMI via RS 485

The only connection to the drive is via the SG+ and SG- terminals

I Have created a menu page on the HMI where you may select either the running screen or the engineers menu.

I have made the engineers menu password protected in this example

In this example I have enabled the accel and decel rates to be set via the HMI

From the running screen you can set the running frequency, start & stop the drive, select forward or reverse, and monitor the actual output frequency and current.

I have shown two methods of monitoring the speed & current, a digital display and an analogue meter for both.

The inverter has full PLC functionality and even boasts a high speed counter.

Please feel free to contact us with any specific needs you may have.

The programming software is available free of charge from Delta Automations website should you wish to program your own applications.

We are easily contactable via the form below.

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