The guide is for connecting the Omron PLC to the EG Edge Gateway using the Hostlink protocol for data communication.
Het artikel dat we eerder bespraken:
How to integration EG edge computing gateway with the General Electric PLC
Hoe maak je verbinding met een Omron-PLC via het EtherNet/IP-protocol?
1. Hardwareverbinding
Compatible PLC: CP Series
The Hostlink protocol uses serial communication. For this example, the PLC model CP1W-0026 uses RS485 communication. Simply connect the PLC’s 485 interface SDA- to the gateway’s B1 pin, and the PLC’s 485 interface SDB+ to the gateway’s A1 pin.
2. PLC Serial Parameters
Note the unit number (station number 1) and baud rate (9600-8-1-E). These parameters will be required for subsequent gateway configuration.
Note: DIP Switch Settings: 1 and 4 (OFF), 2, 3, 5, 6 (NO)
3. Gateway Configuration
3.1. PLC Connection Setup
Drag an Omron node from the left panel. Double-click to open the settings page and configure based on the PLC’s serial parameters as follows:
Protocol: Select HostLink
Seriële poort: Select RS485-1 (based on actual hardware connections)
Baudrate: 9600
Gegevensbits: 8
Stopbits: 1
Pariteit: ZELFS
Station Number: 1
3.2. Configuratie gegevenspunt
Enter the data points to be read in the Omron node’s parameter list. Once configured, the PLC data will be automatically retrieved at the set frequency. Data points are typically provided by PLC engineers. After obtaining the point list, enter data points in the format required by the gateway. For specific correspondence, refer to:(Je kunt Google Chrome gebruiken voor vertaling) https://iotrouter.yuque.com/zn3vdn/eg8000/skfapgdm7332it5q
In the parameter list, fill in Address/Name/Data Type/Data Length sequentially. Set a 2-second cycle for periodic reading, as shown in the figure:
3.3. Testen
Click Deploy. Observe that a data point is printed every 2 seconds. Verify that the output value matches the actual value. Communication successful!
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Agnes Wang is an IoT Solutions Specialist at IOTRouter, focusing on industrial IoT gateways, edge computing, and industrial automation solutions.
She specializes in industrial communication technologies, including Modbus, IEC 60870-5-104, MQTT, OPC UA, PLC integration, and remote monitoring applications. She contributes to technical articles and application guides covering industrial IoT solutions, protocol conversion, and edge computing.
