This guide explains the MC-1E protocol for connecting PLCs and industrial devices to the EG Edge Gateway. It is part of the Protocol Hub, focusing on industrial communication standards and data exchange.
1. Hardware-Anschluss
Compatible PLC: FX-3U Series
The MC-1E protocol uses Ethernet communication, so it is only necessary to ensure that the gateway’s LAN port and the Mitsubishi PLC’s IP address are on the same subnet.
2. PLC-Kommunikationsparameter
2.1 Ethernet Parameter Settings
Wird vom PLC-Ingenieur bereitgestellt.
3. Gateway-Einstellungen
3.1 SPS-Verbindungseinstellungen
Drag a Mitsubishi node from the left panel and double-click to open the settings page. Fill in the configuration according to the PLC’s parameters as follows:
Protokoll: Select MC-1E
Adresse: Enter the PLC address, in this example 192.168.3.40
Hafen: Enter the PLC connection port, in this example 5001
Zeitüberschreitung der Verbindung: 2000
Zeitüberschreitung bei der Kommunikation: 2000
3.2 Einstellungen für Datenpunkte
Fill in the data points to be read in the parameter list of the Mitsubishi node. Once the data points are entered, the gateway will automatically read the PLC data at the set frequency.
The data points are generally provided by the PLC engineer. After receiving the point table, fill in the data points according to the gateway’s required format. For specific correspondences, refer to:（Sie können Google Chrome für die Übersetzung verwenden）
https://iotrouter.yuque.com/zn3vdn/eg8000/gtyg0mdl9dipbu7u
In this example, data at D-type addresses is read. In the parameter list, fill in the Adresse / Name / Datentyp / Datenlänge sequentially. The reading is performed in a 2-second loop, as shown in the figure.
3.3 Prüfung
Klicken Sie auf Bereitstellung von, and observe that a data entry is printed every 2 seconds. Check that the read data matches the actual values. Communication is 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.
