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LOGO Modbus TCP

Created by: greenwlad at: 3/27/2024 3:37 PM (30 Replies)

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3/27/2024 3:37 PM	Rate (0)
greenwlad Joined: 3/27/2024 Last visit: 7/29/2024 Posts: 15 Rating: (0)	Hello, I'm looking for a good tutorial how to setup Modbus TCP between a LOGO! and a power meter. I'm trying to setup the communication between a LOGO and a Carlo Gavazzi WM20 but with no success. I can ping both LOGO and the power meter i.e. they are on the same network. Thankfull for all guiding I can get on this topic.

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3/27/2024 3:43 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/13/2024 Posts: 34210 Rating: (4261)	Which LOGO! do you have exactly? What IP address does the LOGO! have? What IP address does the Modbus device have? Have you a link to a manual of the Modbus device with a register list?

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3/27/2024 3:47 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/13/2024 Posts: 34210 Rating: (4261)	Have you the correct communication module M C ETH?

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3/27/2024 3:55 PM	Rate (0)
greenwlad Joined: 3/27/2024 Last visit: 7/29/2024 Posts: 15 Rating: (0)	I'm using a LOGO 8.3 The IP address of the LOGO is 192.168.0.3 Ip address of the power meter is 192.168.0.10 The communication module is M C ETH Link to the manual inc. registers https://www.gavazzi.no/wp-content/uploads/WM20-WM30-WM40-COM.pdf

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3/27/2024 3:58 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/13/2024 Posts: 34210 Rating: (4261)	Have you allowed in the file properties the Modbus access?

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3/27/2024 4:00 PM	Rate (0)
greenwlad Joined: 3/27/2024 Last visit: 7/29/2024 Posts: 15 Rating: (0)	Yes I have

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3/27/2024 4:02 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/13/2024 Posts: 34210 Rating: (4261)	Can you show me your program? Please upload the program as a ZIP file.

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3/27/2024 4:06 PM	Rate (0)
greenwlad Joined: 3/27/2024 Last visit: 7/29/2024 Posts: 15 Rating: (0)	Here it is. Attachment powerMeterTest.zip (395 Downloads)

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3/27/2024 4:14 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/13/2024 Posts: 34210 Rating: (4261)	Why do you have 2 Modus client connections that use same port?
	Last edited by: ixo65 at: 03/27/2024 16:14:25
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3/27/2024 4:18 PM	Rate (0)
greenwlad Joined: 3/27/2024 Last visit: 7/29/2024 Posts: 15 Rating: (0)	It is not intentional. I thought the left connection it was not connected I assume it should only have the right connection to the power meter. This is why I need some assistance to get it right

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