Modbus sniffer tool required

I am looking 开发者_开发百科for a good professional modbus sniffer tool to scan the master slave communication. Please any one have idea ?

Regards Dani

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You could use Wireshark. Excellent tool. Modbus TCP supported.

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If you have a RS232 or RS485 communication line, I suggest you RSMonitor

RSMonitor

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If you get the right connections setup to monitor a serial stream. Realterm works well.