OMRON PLC Host Applications

Explains host application techniques for connecting PCs and OMRON PLCs.
Covers setup and sample programs for FINS communication, CIP message communication, OPC UA, Modbus and more.

Ways to Connect a PC and a PLC

Ways to connect an OMRON PLC and a PC include CX-Compolet, OPC UA, FINS communication and CIP communication. The best method depends on the application and network configuration.

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CX-Compolet

Connect a PC and a PLC using Compolet and read values

OPC UA

Connect a PC and a PLC using the OPC UA protocol and read values

PC - devices (including PLCs)

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FINS Message Communication

Connect a PC and a PLC using Compolet and read values

CIP message communication

Sends CIP messages from a PC to a PLC connected to an EtherNet/IP port and reads values

Modbus

An explanation of the Modbus protocol from Modicon Inc.

PC - DataBase - PLC

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BI tools

Visualize data with BI tools
Visualizing EtherCAT diagnostic and statistical information

Other

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Converting between Unix time and Windows time

How to convert OMRON NX/NJ series time-type variables read on a PC as a byte array into a Windows time type