Using the integrated PLC function in inverters helps reduce investment costs, installation labor, and installation space.
The function operates, uploads, downloads, and monitors data just like an independent PLC.
1. Steps to implement the PLC program:
• Press MENU on the keyboard --> Select 3: PLC --> ENTER.
• Select PLC2 and confirm by pressing the ENTER key. Warnings will be displayed before the program is uploaded to the PLC.
• Connect the RJ45 of the C2000 inverter to the computer via the RS485-RS232 communication converter cable.
• Download the PLC program to the inverter:
- Press the key 
to compile the program after writing the code.
- After compiling is complete, select 
“Write to PLC.” At that point, the program will be downloaded from WPL Soft to the inverter using the pre-defined communication method.
• Run the program:
- From the function screen, select 2. PLC1 
- If selected 
Selecting “Start Monitoring” on the toolbar will switch the PLC into Online mode. Here, users can monitor data/control directly by selecting the two tools. 
và 
2. Reference table for the I/O terminals of the VFDC2000:
• Input terminals:
• Output terminals:
Frequency inverter parameters are typically organized by functional groups. They are displayed in two formats: - Quick Setup - Full Setup Các thông số có thể được cài đặt theo 2 cách: - Thao tác trên bàn phím của biến tần - Thông qua cổng truyền thông RS485
During operation, there are many factors that can cause errors affecting the inverter, such as temperature, installation environment, operating load, and operation, etc. Therefore, many errors occur in the inverter. The following are common inverter errors that are described below:
Inverters with integrated PLC functions are very useful in simple control systems. They help save investment costs, reduce connection labor, and simplify the control system.
An inverter, also known as an AC motor controller, is a device used to control the speed and torque of both asynchronous and synchronous motors.
Frequency inverters are commonly controlled through basic methods such as: - Control via the panel on the inverter - Control via PLC or external ON/OFF circuits - Control via HMI or industrial communication networks"
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