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my computer can not talk with the Dynisco UPR 700 through RS485.

my computer can not talk with the Dynisco UPR 700 through RS485.

‎07-28-2003 09:50 AM

I used two wire connection for the serial instrument. there is an error information:
Possible reason(s):

VISA: (Hex 0xBFFF0072) The resource is valid, but VISA cannot currently access it.
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Re: my computer can not talk with the Dynisco UPR 700 through RS485.

‎07-28-2003 10:57 AM

Sounds like the COM port is already open by another application (like Hyperterm?).
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