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2 Installation and cabling
36VFD700 AC Drive Getting Started Guide
When DI7 is set as motor thermistor input, the connection is showed as figure 2-39.
P09.21=1
DI7
+24V
Internal
circuit
HD700
24V
0V
PTC
Figure 2-39 PTC thermistor connection
Digital output
There are 2 digital output terminals, all OC type (24V output). DO2can be set as high
frequency pulse output; when using the DO to drive relay, please take care of the polarity
of the relay winding, and add the snubber circuit to the winding.
HD700
DO1
DO2
0V
Inner
circuit
Relay
Diode
Ondometer
Figure 2-40Digital output connection
VFD700
VFD700