How Can I Build a 64-Bit EXE When Using Modbus API?

Updated Jul 16, 2018

Reported In

Software

  • LabVIEW 2017 Datalogging and Supervisory Control Module
  • LabVIEW 2017 Full

Operating System

  • Windows

Other

Windows 8

Issue Details

I want to build a 64-bit EXE for distribution, and my program is going to use Modbus API from Datalogging and Supervisory Control (DSC) Module. As to build 64-bit EXE, LabVIEW 64-bit is required and DSC module is not supported for LabVIEW 64-bit, then how can I accomplish this?

Solution

It's not possible using DSC module, as DSC module support for LabVIEW 64-bit is not available.

However you can use Modbus library provided by SAPHIR from this link MODBUS Library for LabVIEW.
It provides Modbus communication from any standard Ethernet or serial port. Using the Modbus library, Programmable Automation Controllers (PACs) can communicate with gateway devices that provide connectivity to a wide variety of industrial networks, such as PROFIBUS, EthernetIP, and DeviceNet. 

In order to use the Library in LabVIEW, please follow these steps:
  • Close LabVIEW.
  • If you have version NI-MODBUS Library 1.1 on your system, it is recommended to uninstall it by going to Control Panel -> Add Remove Programs -> National Instruments Software and select NI Modbus 1.1 from the list.
  • Copy NI Modbus.llb from the ##\vi.lib folder to the LabVIEW_ROOT\vi.lib directory where ## is your LabVIEW version (example 86 for 8.6) and is the root folder where you installed LabVIEW.
  • Copy lvmodbus.chm and lvmodbus.txt from ##\help to the LabVIEW_ROOT\help directory.
  • Copy nimodbus.mnu from ##\user.lib to the LabVIEW_ROOT\user.lib directory.
  • Restart LabVIEW. You should see the NI Modbus palette in the User Libraries palette.
  • To Uninstall the Library, remove all the files copied from the previous steps.

Additional Information

In general, for Windows OS, 64-bit variant of LabVIEW gets installed in "Program Files" folder of C drive, and 32-bit variant of LabVIEW in "Program Files (*86)" folder of C drive, unless user have chosen different location during installation procedure.
So make sure you that place Modbus library files at "correct" location for 64-bit LabVIEW.

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