Error 6200 or 6201 with GModBus LabVIEW Toolkit

Updated Aug 2, 2018

Reported In

Hardware

  • PCIe-8431/8

Software

  • LabVIEW
  • Saphir GModBus Over Serial Line Toolkit

Issue Details

I am using the GModBus Over Serial Line Toolkit by SAPHIR and encounter the following error:
 

How can I resolve this?

Solution

National Instruments did not develop this driver, so it would be best to contact SAPHIR or post on the SAPHIR Toolkit Forums.

General troubleshooting steps include:
  • Force reinstalling NI software to resolve corruption
  • Performing a loopback test to ensure your hardware is functional
  • Implementing delays between your calls to the GModbus functions to allow time for the devices to receive and return commands
  • Running the existing GModBus examples (you can access these through VI Package Manager and going to the driver page)

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