LS iG5A inverter is a type of Korean inverter with good quality with reasonable price. Today plc247.com will guide you to use PC to control it via Modbus-RTU RS485 communication standard.
We need to prepare the software “Modbus Poll” (Download link at the bottom of the article, capacity 3MB) and USB to RS485 Cable
PC & LS iG5A Modbus RTU Wiring Diagram
LS iG5A VFD Configuration
Below is the communication parameter table of the LS iG5A
You can configure the following according to the project:
- Drv = 3
- Frq = 7
- I59 = 0
- I60 = 1
- I61 = 3
- I62 = 0
- I65 = 2
LS iG5A Modbus Register Address List
Note: For LS iG5A VFD Series
Control Address = “Register Address – 1”
>>> Motor Control Address = 6 – 1 = 5
- Set Word 5 = 2 >>> Forward Run
= 4 >>> Reverse Run
= 0 >>> Motor Stop
>>> Frequency Setting Address = 5 – 1 = 4
>>> Output Current Address = 9 – 1 = 8
Frequency Address = A – 1 = 9
Voltage Address = B – 1 = A (hex)
“Modbus Poll” Programming
+ Motor Control Command
+ Setting Frequency Command
+ Read Data Response
Video Tutorial
======
Reference
+ LS iG5A VFD Manual PDF Download (Password: plc247.com)
+ Modbus poll Software Download
If you have any questions, please comment below the article. Please share the article if you find it useful.
Thanks and Best Regards!
