1747-UIC vs Serial Card

Big John T · Apr 4, 2007

I just installed a serial card in my new computer. It has two ports and they are configured for com1 and com2. My 1747-UIC is on com3. When I try and use the UIC with rslinx I get an error

RsLinx has failed to configure the com port!
The com port may already be in use

Any Ideas?

I'm about to pull my hair out and I got lots of it to pull...

John

jstolaruk · Apr 4, 2007

which version of RSLinx are you using and what driver have you selected? Did you install the AB provided UIC driver?

Big John T · Apr 4, 2007

2.43.01.03(CPR 6)

Yes, I used the AB driver. It was working before I added the serial card...

John

rsdoran · Apr 4, 2007

If you added the serial card then check Control Panel to see if you have a conflict with ports. Com 1 and 3 use the same IRQ etc and the serial card may be holding it captive.

Big John T · Apr 4, 2007

The serial ports are on Com1 and Com2.

John

rsdoran · Apr 4, 2007

Was not what I was saying, by default com1 and com3 share resouurces, since you have added com1 with a serial card then there may NOW be a conflict with the UIC card using com3. Open their properties and see if it says there is.

The easiest thing to do is shutdown, remove the serial card, reboot then see if the UIC works again, if so then there is some kind of conflict involved.

Big John T · Apr 4, 2007

What I found was the UIC baud rate had defaulted to 9600 instead of the 19200 I was trying to use it at in RsLinx...

Thanks for all the ideas...

John

1747-UIC vs Serial Card

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