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Serial Query and USB-Serial Adapters

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Transferring serial device from old (functioning) computer to new. 

(Old) Computer A:  

Labview V14.0.1f3 (Service Pack 1)

NI-VISA 1401 full

 

(New) Computer B:  

Labview V14.0f1

NI-VISA 5.20

NI-SERIAL 15.00

 

1) Computer A can control device motion and obtain position readout with established labview code.

2) Both computers can control device motion and query position through a non-labview command terminal.

3) Neither computer can control device motion through Measurement & Automation Explorer

4) Computer B crashes when running VISA Configure Serial Port 

5) All settings for VISA Configure Serial Port are the same on both computers.

6) The only discrepancy is communication through COM1 on Computer A and COM10 on Computer B. 

7) Via a USB-Serial converter, both computers can send commands through established Labview code, but cannot query the device position. 

 

Can you help me determine the source of this problem? 


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