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Ethernet modbus via wifi
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Topic: Ethernet modbus via wifi (Read 1404 times)
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rrc1962
673
Ethernet modbus via wifi
«
on:
May 26, 2017, 11:02:24 PM »
Has anyone tried connecting to Mach3/4 via modbus using wifi? Technically, it should work just like wired connection. Just wondering if there is something about it that would required a wired connection.
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Steve Stallings
485
Re: Ethernet modbus via wifi
«
Reply #1 on:
May 27, 2017, 07:17:08 AM »
Usng WiFi for a any quasi-real-time device is a bad idea, especially if the WiFi router is serving more than a couple of devices. The connection negotiation protocols can generate unpredictable and sometimes significant delays.
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Steve Stallings
www.PMDX.com
rrc1962
673
Re: Ethernet modbus via wifi
«
Reply #2 on:
May 27, 2017, 08:20:49 AM »
All of that considered though, is it possible? Or does Ethernet modbus require a wired connection?
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Steve Stallings
485
Re: Ethernet modbus via wifi
«
Reply #3 on:
May 27, 2017, 12:36:07 PM »
Technically it should work if you get the IP addresses correct. You may have to do
this by configuring the router to "open a port" with a fixed address.
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Steve Stallings
www.PMDX.com
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