INVT GD20-0R7G-4-EU User Manual

Goodrive20-EU series VFD Communication protocol
137
Parameters
address
VFD
address
Write
command
CRC check Forward running
If the operation is successful, the response may be as below (the same with the command
sent by the master):
Parameters
address
VFD
address
Write
command
CRC check Forward running
ASCII mode:
The command sent to the VFD:
VFD
address
Write
command
Parameters
address
Data
number
LRC
check
If the operation succeeds, the response message is as follows:
VFD
address
Write
command
Parameters
address
Data
number
LRC
check
7.5.3 Example of continuous writing command 10H
Example 1: make the VFD whose address is 01H run forward at 10Hz. Refer to the description
of 2000H and 0001 in the parameter table of other functions. The address of "communication
setting frequency" is 2001H and 10Hz corresponds to 03E8H. See the table below.
Function
instruction
Address
definition
Data meaning instruction
R/W
attribute
Communication
control command
2000H
0001H: forward running
W/R
0002H: reverse running
0003H: forward jogging
0004H: reverse jogging
0005H: stop
0006H: coast to stop (emergency stop)
0007H: fault reset
0008H: jogging stop
The address of
communication
setting
2001H
Communication setting frequency (0 – Fmax
(unit: 0.01Hz))
W/R
2002H
PID given, range (0 – 1000, 1000 corresponds
to100.0% )
RTU mode:

INVT GD20-0R7G-4-EU Specifications

General

Brand	INVT
Model	GD20-0R7G-4-EU
Category	DC Drives
Language	English