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PACMotion VFD Syllabus
GFK-3167B
5. VFD to Laptop with RS-485 two wiring with a device such as USB Gearmo Model USA:-
482422
Figure 18: Serial connections PC to VFD
6. Connect the VFD to the Modbus Device and power up the devices.
7. Load in the example PAC Machine Edition project:
VFD_Modbus_RTU_QPPlus12_VerX and Download/Run the QuickPanel or the Laptop in
Simulate mode.
8. Set the required VFD terminal discrete signals properly to allow VFD operation.
DI1 = ON (Enabled) and STO = ON (Safe Torque ON)
Demo Case File:
VFD_Modbus_RTU_QPPlus12_Ver2.zip
To download all demo case files, please visit:
https://emerson-mas.force.com/communities/en_US/Documentation/PACMotion-VFD-
Syllabus-GFK-3167
Modbus RTU Serial Demo (Note 3)
Section 6
December 2020
21
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