How do I in software configure AC500 as a Modbus TCP/IP slave
I am currently looking for method that set my PLC AC500 PM554_ETH to an modbus slave. It seems to be possible if it was connected using RS-xxx but can't seem to understand how i should do when it is connected using ethernet.
Any example with images or a short guide would be appreciated.
Any example with images or a short guide would be appreciated.
Asked 2 years ago
Answers
1
Hello Aoo,
You simly use the same Ethernet interface for communication with Automation Builder and Your Modbus TCP communication. So You set up one address for both types of communication and connect Automation Builder PC, AC 500 AND Modbust TCP Master to one router/switch.
I hope this helps,
Mike
2
In addition to the above advise:
Under Protocols, you need to add Modbus_TCP_IP_Server (Modbus TCP/IP Server)
That is the protocol for Slave. You have to set your slave address in the tab Server Settings.
TCP_IP_Server = Modbus TCP/IP Slave
TCP_IP_Client = Modbus TCP/IP Master
In order to "export" some variable from the slave, you need to declare the variable from the type %MW0.0 or %MX0.0.0 (just example) and put some value in it.
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