PACMotion VFD Syllabus
Section 4
GFK-3167B
December 2020
Modbus/TCP Ethernet Demo (Note 1)
13
Drive Parameter Access
The Modbus/TCP Interface allows the user to read/write the drive parameters. To perform
this function, the user can directly access the parameter. Simply add the parameter
number to the Modbus offset of 400000.
For example:
Read parameter P1-01 (Maximum Frequency), perform the following
Read Modbus/TCP Address 400101 value (scaling in 0.1 Hz).
Write parameter P1-01 (Maximum Frequency) = 60.0 Hz, perform the following
Write to Modbus/TCP Address 400101 value = 600 (scaling in 0.1 Hz)
Demo Case File:
VFD_DEMOCASE_MBTCP_V2.zip
To download all demo case files, please visit:
https://emerson-mas.force.com/communities/en_US/Documentation/PACMotion-VFD-
Syllabus-GFK-3167