This guide focuses on connecting Allen-Bradley PLC to the EG Edge Gateway via the PCCC protocol. It is suitable for beginners looking to set up industrial communication quickly.
Related article: How to interface with AB PLC via the EtherNet/IP protocol
1. Connexion du matériel
Compatible PLC: AB SLC 5/05
The PCCC protocol utilizes Ethernet communication. Therefore, simply ensure the gateway’s LAN port and the AB PLC’s IP address are within the same subnet.
2. Paramètres de communication PLC
2.1. Paramètres Ethernet
Provided by PLC Engineer
3. Paramètres de la passerelle
3.1. Paramètres de connexion PLC
Drag an Allen-Bradley node from the left panel, double-click to open the settings page, and configure as follows based on the PLC’s network port parameters:
Protocole : Select PCCC
Adresse : Saisir l'adresse de l'automate (par exemple, 192.168.0.59)
Port : Enter the PLC connection port (e.g., 44818)
Délai de connexion : 2000
Délai de communication : 2000
3.2. Configuration des points de données
Enter the data points to be read into the parameter list of the Allen-Bradley node. Once configured, the PLC data will be automatically retrieved at the specified frequency.
Les points de données sont généralement fournis par les ingénieurs API. Après avoir reçu la liste des points, remplissez les points de données selon le format requis par la passerelle. Pour plus de détails sur le mappage, voir :
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This example reads data from address F8:1. In the parameter list, enter the address/name/data type/data length sequentially. The data is read cyclically every 2 seconds, as shown in the figure:
3.3. Essais
Connect to the debugging node, click Deploy, and observe that a data point is printed every 2 seconds. The read data point result is:
{F8:1:42669}. 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.
