panel view burnt PC ethernet port - PLCS.net

timsummo · April 3rd, 2012, 08:21 AM

Hi, I have a panelview 600 (Allen Bradely), It burnt my Laptop ethernet port a few times already. It is configured to communicate with UIC box. It happen everytime when somebody plug it with ethernet cable directly to PC. Does anyone has an idea how to fix the problem.
Thanks!
Tim

dmargineau · April 3rd, 2012, 08:45 AM

Print a huge label stating "DH-485 ONLY!- NOT ETHERNET" and stick it next to the HMI's RJ45 port!

bryonc1213 · April 3rd, 2012, 08:46 AM

wired many a panelview sounds like power rail is seeking ground through the network wires. isolate the power and check for a pinched wire also make sure you're grounds are isoalted.

their at least 3 types of grounds and each is seperate from each other earth ground network ground and power ground.

use an ohm meter and verify isolation 0015 not 0002 on the meter start by looking for 24V any thing above 5volts on the network is a problem below is a panelview manual we used a dh485 to isolate the comm wires back in those days
use this link
http://www.kemcosystems.com/service/...014B-EN-P).pdf

dmroeder · April 3rd, 2012, 09:51 AM

Quote:

Originally Posted by timsummo

Hi, I have a panelview 600 (Allen Bradely), It burnt my Laptop ethernet port a few times already. It is configured to communicate with UIC box. It happen everytime when somebody plug it with ethernet cable directly to PC. Does anyone has an idea how to fix the problem.
Thanks!
Tim

What is the catalog number of your PanelView? There is most likely nothing to fix because it sounds like you have a DH485 PanelView and not an Ethernet one (as dmargineau pointed out).

DH485 uses a connector most of the time that looks and smells like an Ethernet port, but it definitely doesn't taste like an Ethernet port. Do as he also suggested and label it as such. DH485 has 24vdc on it, so as you found out, it will smoke Ethernet ports.

bernie_carlton · April 3rd, 2012, 10:08 AM

That is a problem with any type connector which becomes closely associated with a particular use - e.g. RJ45 = Ethernet.

I've also seen them used, as pointed out here, as DH-485 and other low level communication using RS-485 (Powerflex DSI connections for example.) You have to know your connections.

bryonc1213 · April 3rd, 2012, 12:38 PM

try this link will tell you allabout Dh485 readly found on ebay too
http://www.ab.com/en/epub/catalogs/1...35907/3499168/

April 3rd, 2012, 08:21 AM	#1
timsummo Member Join Date: Mar 2012 Location: burlington Posts: 11	panel view burnt PC ethernet port Hi, I have a panelview 600 (Allen Bradely), It burnt my Laptop ethernet port a few times already. It is configured to communicate with UIC box. It happen everytime when somebody plug it with ethernet cable directly to PC. Does anyone has an idea how to fix the problem. Thanks! Tim

April 3rd, 2012, 10:08 AM	#5
bernie_carlton Lifetime Supporting Member + Moderator Join Date: Apr 2002 Location: Yakima, Washington Posts: 6,389	That is a problem with any type connector which becomes closely associated with a particular use - e.g. RJ45 = Ethernet. I've also seen them used, as pointed out here, as DH-485 and other low level communication using RS-485 (Powerflex DSI connections for example.) You have to know your connections. __________________ Controlling outputs is the PLC's way of getting its inputs to change.

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April 3rd, 2012, 08:45 AM	#2
dmargineau Lifetime Supporting Member Join Date: Dec 2011 Location: Midwest Posts: 2,507	Print a huge label stating "DH-485 ONLY!- NOT ETHERNET" and stick it next to the HMI's RJ45 port!

April 3rd, 2012, 08:46 AM	#3
bryonc1213 Member Join Date: Apr 2006 Location: Illinois Posts: 38	wired many a panelview sounds like power rail is seeking ground through the network wires. isolate the power and check for a pinched wire also make sure you're grounds are isoalted. their at least 3 types of grounds and each is seperate from each other earth ground network ground and power ground. use an ohm meter and verify isolation 0015 not 0002 on the meter start by looking for 24V any thing above 5volts on the network is a problem below is a panelview manual we used a dh485 to isolate the comm wires back in those days use this link http://www.kemcosystems.com/service/...014B-EN-P).pdf

April 3rd, 2012, 12:38 PM	#6
bryonc1213 Member Join Date: Apr 2006 Location: Illinois Posts: 38	try this link will tell you allabout Dh485 readly found on ebay too http://www.ab.com/en/epub/catalogs/1...35907/3499168/

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