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Host Engineering Forum > General Category > General Discussion > max length of cable for c-more
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Author Topic: max length of cable for c-more  (Read 1233 times)
roscho
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Posts: 6
« on: April 21, 2008, 03:06:19 pm »
hello all
I need to know what the max cable length is for the c-more screen? I am biulding a home alarm sys.
and the plc is in the basement but c-more must be by front door this is about 20 feet,i tryed to get
the plc as close as i could. Huh
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Greg
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Hmmm...


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« Reply #1 on: April 22, 2008, 09:40:35 am »
That greatly depends on the type of communication you are using and the baudrate:
     - RS232?
     - RS422?
     - RS485?
     - Ethernet?
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"You have to believe in free will. You have no choice." -Isaac Bashevis-Singer
roscho
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« Reply #2 on: April 22, 2008, 02:34:08 pm »
Sorry i did not say what plc i was hooking it up to AD 205 (240 WITH RS232C ports). Thanks for the reply.
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Greg
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Hmmm...


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« Reply #3 on: April 23, 2008, 09:26:18 am »
With RS232C, and a good quality cable (shielded w/good ground), and not much electrical noise (which in a house there normally wouldn't be), then you can go about 50 feet. Right at this point, and/or a little more and the signal starts to seriously deterioate. So, going 20 feet in your case should not be a problem.

Hope that helps!
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"You have to believe in free will. You have no choice." -Isaac Bashevis-Singer
roscho
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Posts: 6
« Reply #4 on: April 24, 2008, 01:15:37 pm »
yes it help, thanks for taking the time to reply,hope one day i can do the same.
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