Inverter LS-IG5A is an extremely famous inverter of LS(LG) Korea. Beautiful design, durable quality, many customizable features are its strengths. Today thelivingchristmascompany.com will guide you to use PLC Delta DVP-14SS2 to control it via Modbus-RTU RS485.

You can also use all other Delta PLCs (most have built-in RS485 ports) to control the LS iG5A inverter.

DVP-14SS2 & LS-iG5A Wiring Diagram

LS iG5A VFD Parameters Setting

In addition to the basic parameters of the inverter (frequency, voltage, current) installed according to the motor, we need to set the communication parameters as follows:

+ Drv = 3

+ Frq = 7

+ I59 = 0 (Choose Modbus-RTU)

+ I60 = 1 (Slave No.1)

+ I61 = 3 (baudrate 9600bps)

+ I62 = 0

+ I65 = 2 (Even/1bit)

Registers Address Table

Note: Address Using = “VFD Address – 1”

>>> Frequency Reference Address = 5 – 1 = 4 (hex)

>>> Run Command Address = 6 – 1 = 5 (hex)

+ Set Word 5 (hex) = 2 >>> Run Forward
+ Set Word 5 (hex) = 4 >>> Run Reverse
+ Set Word 5 (hex) = 0 >>> Stop

>>> Output Current = 9 – 1 = 8 (hex)

>>> Output Frequency = A – 1 = 9 (hex)

>>> Output Voltage = B – 1 = A (hex)

DVP 14SS2 Modbus Configuration

WPLSoft supports us to automatically configure Modbus, please follow the image below (or the video at the end of the article)

The software will automatically generate the communication configuration program.

PLC Programming

+ Automatic distribution Read and Write

+ Set Frequency Command

+ Control Run Command

+ Data Monitoring Command

Video Tutorial

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Required software and documentation:

• WPLSoft V2.48 for PLC Delta Programming
• (Password: thelivingchristmascompany.com)

If you need any help in the process of connecting DVP 14SS2 with LS iG5A VFD, please comment below the article. Please share the article if you find it useful.

Best Regards!