Appendix
VFD700 AC Drive Getting Started Guide 81
Appendix
1Communication
Communications port and wiring
Hardware interface of VFD700 drive communication:
RJ45 port
Two terminals (A/RS485+, B/RS485−)
These two kinds of interface can have the same electric functions.
A serial communications link enables one or more drives to be used in a system controlled
by a host controller such as a PLC or computer
.
HD700
A
B
RS485+
RS485-
PE
Upper
computer
A-figure 1-1 Communications link
NOTE: The RJ45 port pin is as shown in A-figure 1-2, and you canalso use parallel line.
Pin Number
Function
1
NC
2
A (485+)
3
0V
4
24V
5
NC
6
Enable
7
B (485
−
)
8
A-figure 1-2 RJ45 port pin configuration diagram
B (485
−
)
VFD700
