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Modbus Client Poll Rate

5/29/2020 5:11 AM	Rate (0)
haxxa Posts: 3 Rating: (0)	Hello, I am setting up my Siemens Logo FS4 as a Modbus Client to read values from a Fronius Inverter over Modbus TCP. I would like to set a Poll Rate of 1 second (i.e. it only reads new values once a second - this is to avoid excessive polling), however I am unable to find any option to adjust the Poll Rate, (in Diagram Mode). Could anyone allude to any option? I see an option in Network Mode for "Synchronize Interval" is this the way to set polling rate, is there no option in Diagram Mode? Regards Attachment modbus-options.PNG (303 Downloads)
haxxa Posts: 3 Rating: (0)
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5/29/2020 5:37 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/21/2026 Posts: 36500 Rating: (4552)	If you use the remote function under the block properties, you cannot set the synchronization interval. I would choose another way. Create a Modbus client connection under "Tools> Ethernet Connenctions". Once the connection has been created, double-clicking on the connection opens the connection table. There you have the option to set the synchronization interval. Attachment Untitled.PNG (344 Downloads)

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This contribution was helpful to 1 thankful Users haxxa

5/29/2020 5:51 AM	Rate (0)
haxxa Posts: 3 Rating: (0)	Thank You for your help, I will use this method.
haxxa Posts: 3 Rating: (0)
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This contribution was helpful to 1 thankful Users ixo65

5/29/2020 6:15 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/21/2026 Posts: 36500 Rating: (4552)	Hello haxxa, you're welcome ...

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