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E10+ Relay Com 1 Issue
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Topic: E10+ Relay Com 1 Issue (Read 12145 times)
sdm
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E10+ Relay Com 1 Issue
«
on:
April 14, 2006, 02:30:57 PM »
I just received my E10+ Relay starter kit, wrote a program but I am unable to connect to the PLC. Com 1 port will not connect. I rebooted PC & PLC. Verified Com 1 as 9600, 8, 1, n. What else could be wrong?
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sdm
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Re:E10+ Relay Com 1 Issue
«
Reply #1 on:
April 14, 2006, 05:12:50 PM »
Nevermind. It took some serious searching but I found the conflict with my serial port.
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eva
Newbie
Posts: 2
I'm a llama!
Re:E10+ Relay Com 1 Issue
«
Reply #2 on:
June 13, 2007, 01:59:06 PM »
Hi,
What did you do to fix the communication problem.
Something really strange is happening to me. I downloaded the VB.net communication code and it kind of works. What I mean by that is usually the first 2-3 times I try to send something, the serial port will time out and an error will be displayed, but after a couple times it kicks in and works.
I don't understand what's happening - any ideas? I don't think this is a VB.net thing - I think it has to do with a problem with the communication.
Any thoughts on tests I could run or info would be very helpful! Thanks so much!
eva
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sdm
Guest
Re:E10+ Relay Com 1 Issue
«
Reply #3 on:
July 21, 2007, 03:49:21 AM »
I had a com port conflict. I had a PDA plugged into my PC at the same time and it was using the COM1 I thought was my serial port. PDA was set up as COM1. Remember that devices connected to your USB ports are considered COM ports and assigned a number.
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eva
Newbie
Posts: 2
I'm a llama!
Re:E10+ Relay Com 1 Issue
«
Reply #4 on:
July 23, 2007, 07:15:24 AM »
Hmmm, yes, I know that. the only other thing I have plugged into my laptop is my mouse, but I will check and see if unplugging it helps.
Thanks so much for the suggestion!
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E10+ Relay Com 1 Issue