EDA Technology ED-PAC3020 Hardware Manual

3.2.1 Raspberry Pi OS (Desktop)

If the device is factory-installed with the Desktop OS, it will boot directly into the desktop interface upon startup, as shown in the figure below.

Diagram Description: A screenshot showing the Raspberry Pi OS Desktop interface. It displays the desktop environment with icons and a taskbar, indicating a successful boot into the graphical user interface.

3.2.2 Raspberry Pi OS (Lite)

If the device is factory-installed with the Lite OS, it will automatically log in using the default credentials after startup. The figure below indicates that the system has booted successfully.

Diagram Description: A screenshot showing the Raspberry Pi OS Lite command-line interface. It displays a login prompt or a successful login message, indicating the system has booted into the text-based operating system.

4.2.1 Obtaining Device Description File

? The device's default Ethernet port IP address is 192.168.0.100. To modify it, refer to Configuring Ethernet IP.

Preparation:

• A CODESYS-authorized ED-PAC3020 is available.
• A functional Ethernet cable is available.
• A Windows PC is prepared, with its IP address configured to the same subnet as the device. For example, if the device's IP (1000M Ethernet port) is 192.168.0.100, set the PC's IP to 192.168.0.99.

Steps:

1. Connect the device's Ethernet port to the PC via an Ethernet cable, then power on the device.
2. Enter http://192.168.0.100:8100 in the PC's web browser to access the "PLC Setting" interface.
3. In the "Device Info" section, click the "[Download] Device Description File" button to download the corresponding ".xml" format device description file.

? Also available directly in the document ED-PAC3020 Device File (https://www.123cloud.cn/download/1826505135/17964309).

Diagram Description: A screenshot of the 'PLC Setting' web interface for the ED-PAC3020. It shows the 'Device Info' section with a button labeled '[Download] Device Description File'.

4.2.2 Installing Device Description File

Preparation:

• A PC installed with CODESYS software version V3.5 SP19 (64-bit).
• An ED-PAC3020 device with a valid CODESYS license and its corresponding device description file.
• Connect both the PC and ED-PAC3020 to the network, ensuring their IP addresses are within the same subnet.

Steps:

1. Double-click the CODESYS icon on the PC desktop to open the CODESYS software. From the menu bar, select "Tools" → "Device Repository".
2. In the opened "Device Repository" pane, click "Install".
3. In the pop-up "Install Device Description" pane, select the device description file to be installed and click "Open" to proceed with the installation.
4. After successful installation, you can verify in the "Device Repository" that the device description file has been added successfully.

Diagram Description: A series of screenshots showing the CODESYS 'Device Repository' window. This includes selecting 'Tools' -> 'Device Repository' from the menu, the 'Device Repository' pane with an 'Install' button, and the 'Install Device Description' dialog box.

4.2.3 Installing Remote I/O Device Description File

Preparation:

• A PC installed with CODESYS software version V3.5 SP19 (64-bit).
• An ED-PAC3020 device with a valid CODESYS license.
• The remote I/O device description files have been downloaded from: Remote I/O Description Files.
• Connect the PC, ED-PAC3020, and remote I/O devices to the same switch. Ensure that the IP addresses of the PC, ED-PAC3020, and remote I/O devices are within the same subnet.

Steps:

1. Double-click the CODESYS icon on the PC desktop to open the CODESYS software. From the menu bar, select "Tools" → "Device Repository".
2. In the opened "Device Repository" pane, click "Install".
3. In the pop-up "Install Device Description" pane, select the I/O device description file to be installed and click "Open" to proceed with the installation.
4. After successful installation, you can verify in the "Device Repository" that the I/O device description file has been added successfully.

4.3.1 Create a New Project and Connect to the Device

Steps:

1. Power on the ED-PAC3020 and the remote I/O modules. Open the CODESYS software on the PC, select "File" → "New Project" in the menu bar to open the "New Project" pane, and create a standard project.
2. Select the installed device description file and click "OK".
3. Double-click the device, select "Scan Network" on the right, then choose the detected device from the scan results, and click "OK" to confirm.

? If the device cannot be detected during scanning, manually enter the IP address in the target device settings to connect.

? If a device login prompt appears, log in with your credentials (username and password) or follow the instructions to register a new account.

Diagram Description: A series of screenshots showing the CODESYS project creation and device scanning process. This includes the 'New Project' dialog, selecting the device, and the network scan results with the target device highlighted.

As shown in the figure below, this indicates the device is successfully connected.

Diagram Description: A screenshot of the CODESYS IDE showing the device tree with the ED-PAC3020 successfully connected and displayed.

4.3.2 Adding Remote I/O Modules

Steps:

1. Right-click "Device" and select "Add Device" in the menu to add the EtherCAT Master.
2. Double-click on the EtherCAT Master device to set the source address (Select the EtherCAT port, which corresponds to the device's eth0 port).
3. Click the "Login" button to log in to the device. A successful login is shown in the figure below.
4. Click on the EtherCAT Master device, select "Scan for Devices" in the right-click menu, and copy all devices to the project after scanning is completed.
5. Click the "Logout" button to log out of the device.
6. Double-click the slave device, configure the relevant parameters in the right-hand interface, enable "Expert settings", select "Enable" under Select DC section, and select "Enable Sync0".
7. Click the "Download" button to download the program to the device, then click the "Run" button to execute it. As shown in the figure below, this indicates a successful operation.

Diagram Description: A series of screenshots illustrating the process of adding and configuring EtherCAT I/O modules in CODESYS. This includes adding the EtherCAT Master, scanning for slave devices, configuring slave device settings (DC, Sync0), and downloading the project.

4.4.1 Programming Process

Diagram Description: A flowchart or diagram outlining the general steps involved in the CODESYS programming process, from hardware configuration to program execution.

4.4.2 Programming Example

Complete the development and debugging of a program for a timed blinking LED using a PNP-type 8-channel digital output (DO) module.

Preparation:

• A standard project has been created.
• Hardware configuration has been completed.
• A 24V compact LED lamp has been connected to the first output port of the remote DO (Digital Output) module.

Steps:

1. Double-click the DO module, select "Module I/O Mapping" → "Output" in the right-hand interface, and view the addresses of all output ports. As illustrated below, the first output port's address is %QX18.0.

Diagram Description: A screenshot of the CODESYS IDE showing the I/O mapping for a Digital Output module. It highlights the address %QX18.0 for the first output port.

2. Click "PLC_PRG" to open the programming interface, where the upper section is the variable declaration area and the lower section is the main program editing area.
3. Write the program code as follows:

PROGRAM PLC_PRG
VAR
    TON_TIME : TON;
    Light_Output : BOOL := FALSE;
END_VAR

TON_TIME(IN := NOT TON_TIME.Q, PT := T#0.5S);

IF TON_TIME.Q THEN
    Light_Output := NOT Light_Output;
    TON_TIME(IN := FALSE);
END_IF

%QX18.0:= Light_Output;

4. After completing the program, click the "Compile" button (represented by a checkmark icon) to compile it and ensure there are no errors.
5. Click "Login" to download the program to the device, then click "Run" (represented by a play icon) to observe the LED blinking every 0.5 seconds.

Diagram Description: Screenshots showing the CODESYS IDE during programming. This includes the code editor with the blinking LED logic, the compilation status indicating no errors, and the final state after downloading and running the program.

5.8.1 Installing Picocom Tool

In the Linux environment, you can use the picocom tool to debug the serial ports RS232 and RS485. Execute the following command to install the picocom tool.

sh
sudo apt-get install picocom

5.8.2 Configuring RS232

The ED-PAC3020 contains 1 RS232 interface, and its corresponding COM port and device files are listed in the table below:

Preparation:

The RS232 ports of ED-PAC3020 has been connected with external device.

Steps:

1. Execute the following command to open the serial port com1, and configure the serial port baud rate to 115200.

sh
picocom -b 115200 /dev/com1

2. Input commands as needed to control external device.

5.8.3 Configuring RS485

The ED-PAC3020 contains 1 RS485 interface, and its corresponding COM port and device files are listed in the table below:

Preparation:

The RS485 ports of ED-PAC3020 has been connected with external device.

Steps:

1. Execute the following command to open the serial port com2, and configure the serial port baud rate to 115200.

sh
picocom -b 115200 /dev/com2

2. Input commands as needed to control external device.

5.10.1 License Backup

Preparation:

• A Windows PC has been set up with an IP address in the same subnet as the device. For example, if the device's IP (1000M Ethernet port) is 192.168.0.100, set the PC's IP to 192.168.0.99.
• A functioning Ethernet cable has been prepared.

Steps:

1. Connect the device's 1000M Ethernet port to the PC via an Ethernet cable, then power on the device.
2. Enter http://192.168.0.100:8100 in the PC's web browser to access the "PLC Setting" interface.
3. In the "Codesys License Management" interface, click "Backup License" to download the license file and save it locally.

? The backed-up license file can only be restored on the same device.

Diagram Description: A screenshot of the 'PLC Setting' web interface showing the 'Codesys License Management' section with a 'Backup License' button.

5.10.2 License Restore

Preparation:

• A Windows PC has been set up with an IP address in the same subnet as the device. For example, if the device's IP (1000M Ethernet port) is 192.168.0.100, set the PC's IP to 192.168.0.99.
• A functioning Ethernet cable has been prepared.
• The backed-up license file has been obtained.

Steps:

1. Connect the device's 1000M Ethernet port to the PC via an Ethernet cable, then power on the device.
2. Enter http://192.168.0.100:8100 in the PC's web browser to access the "PLC Setting" interface.
3. In the "Codesys License Management" interface, click "Restore License".
4. As prompted, select the obtained license file under a custom path.
5. After a successful License Restore, a 100% progress bar will be displayed in the right-hand panel.
6. Open the device's terminal command pane, execute the following command, and restart the device.

sh
sudo reboot

Diagram Description: A screenshot of the 'PLC Setting' web interface showing the 'Codesys License Management' section with a 'Restore License' button and a progress bar indicating successful restoration.