INVT Goodrive350-19 Series Operation Manual page 120

Goodrive350-19 Series VFD for Crane
High-speed
brake
Fan
Lifting motor 1
Since master/slave speed synchronization requires speed consistency, the VFD must use the
closed-loop mode. Therefore, only master/slave mode 4 in the CAN communication master/slave
mode can be used.
5.5.2 Terminal master/slave function
A. Using the VFD high-speed pulse input terminal HDIA and high-speed pulse output terminal HDO to
implement simplified master/slave control
Master
VFD
1. Terminal master/slave mode a
The master adopts the speed control mode and sends the ramp frequency to the slave HDIA terminal
through the HDO terminal. The slave adopts the speed control mode and the frequency reference is
set by the HDIA terminal. Then, adjust reduction ratio of droop control P08.30 of the salve to meet
power balance.
Master parameters:
Function
code
P06.00 HDO output type
Figure 5-19 Mechanical structure 2
HDO
COM
Name
0: Open collector high-speed pulse output
1: Open collector output
Low-speed
brake
Description
-108-
Commissioning guidelines
High-speed
brake
Fan
Lifting motor 2
Slave
VFD
HDIA
COM
Setting
0