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Support Forum for HVAC and pumping machines, Modicon M17x and EcoStruxure Machine Expert HVAC software for chillers, AHU, CRAC units for datacenters or process chillers applications - from design, implementation to troubleshooting and more, by Schneider Electric.
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Posted: 2023-08-11 03:58 AM
How many maximum devices can poll the M172(SLAVE) controller via ModbusTCP?
I have 8 HMI panels(Master) and one M172(Slave).
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Posted: 2023-08-13 10:51 PM
Hi Kleoroman,
You could see here the default number of open sockets for Modbus TCP
And you can add maximal 3 additional
In your case you could try if a higher delay time between read commands could work. If you use continous read via HMI it could be a problem.
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Posted: 2023-08-13 10:51 PM
Hi Kleoroman,
You could see here the default number of open sockets for Modbus TCP
And you can add maximal 3 additional
In your case you could try if a higher delay time between read commands could work. If you use continous read via HMI it could be a problem.
Link copied. Please paste this link to share this article on your social media post.
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