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Modbus RTU/ASCII over TCP/IP



I try connect my eastron power meter to PRTG. I use converter from MODBUS RTU to LAN. I try with software Modbuspoll and connection work fine with settings.

Connection : Modbus RTU/ASCII over TCP/IP ( I have 4 options, Modbus TCP/IP, Modbus UDP/IP, Modbus RTU/ASCII over TCP/IP and Modbus RTU/ASCII over UDP/IP ) Work only Modbus RTU/ASCII over TCP/IP Server port 4001, Mode RTU.

I try in PRTG add The Modbus TCP Custom sensor, but cannot connect. Please for help.

Regards, Damjan

eastron modbus-rtu-ascii-over-tcp-ip power-meter

Created on Feb 15, 2021 6:30:44 PM

Last change on Feb 16, 2021 7:01:29 AM by  Felix Wiesneth [Paessler Support]

2 Replies



Hi there,

If you use the Modbus TCP Sensor, you should select the "Modbus TCP/IP" connection setting in your converter.

Kind regards,
Matthias Kupfer - Team Tech Support

Created on Feb 17, 2021 9:24:11 AM by  Matthias Kupfer [Paessler Support]



No luck with direct connection Modbus TCP/IP powermeter to PRTG. Now i Use RPI3 ( Raspberry Pi ) with python script. Script read from power meter via modbus TCP/IP and write value into file inside RPI3.

In PRTG use HTTP content sensor and read value in txt file in RPI3... Work. It is probably a much shorter option for experienced users. I don't know

Thankyou Regards!

Created on Apr 8, 2021 9:09:21 AM

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