Commissioning Modular Gateway Ethernet/IP with Codesys

Here you will find a technical description of how to configure the KUNBUS gateway Ethernet/IP with Codesys.

System overview

these devices have been used for this application note

• KUNBUS Gateway EtherNet/IP

• Revolution PI Core 3 (3+, S) or Connect (+, S)

please connect your devices as shown in the illustration below

Preparation

Please follow the instructions of the checklists:

• follow the checklist below

  • RevolutionPi Checklist

• install Packages on Codesys IDE

  • https://revolutionpi.de/tutorials/quick-start-2/

  • Codesys Checklist

• Install runtime on the Revolution Pi Connect

  • https://revolutionpi.com/codesys-runtime-installieren-3/

  • When installing the runtime, a demo licence is automatically installed. This means that the system stops after 1 hour and has to be restarted.

• Optional: install codesys licence

  • /wiki/spaces/PROD/pages/1017282586

• Set ETH 1 with a static IP 192.168.1.100

  • #sudo nano /etc/dhcpcd.conf

  • # Example static IP configuration:
    interface eth1
    static ip_address=192.168.1.100/24

• install KUNBUS EtherNet/IP EDS file into Codesys IDE

  • Download the necessary ESI file → KUNBUS Gateway EtherNet/IP | EDS file

  • CODESYS_QMWtqCBqmb.mp4

Create a Codesys Project

• Create Project

  • How to create a codesys project

Implementation

Note:

• The older version 1.2.1.0 is used here, as Codesys version 3.5 SP17 is used. If SP18 is used, the latest version 1.3.0.0 must be selected.

PROGRAM PLC_PRG
VAR
	status: BYTE;
	res1: BYTE;
	res2: BYTE;
END_VAR

Output_EthernetIP_GW:=33;
Output_EthernetIP_Exclusive:=44;

res1:=Input_EthernetIP_GW;
res2:=Input_EthernetIP_Exclusive;