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• When using an external power supply for transistor output, use terminal PC as a
common to prevent misoperation caused by undesirable current.
(Do not connect terminal SD of the inverter with terminal 0V of the external power
supply. When using terminals PC-SD as a 24VDC power supply, do not install the
power supply in parallel outside the inverter. Doing so may cause misoperation due
to undesirable current.)
3) Source logic type
• In this logic, a signal switches on when a current flows into the corresponding signal
input terminal.
Terminal PC is common to the contact input signals. Terminal SE common to the
open collector output signals.
PC
Current
STF
STR
AY40 type
transistor
output module
Inverter
1
STF
2
STR
3
RH
4
RM
5
RL
6
RES
9
PC
24VDC
10
SD
• Current flow related to
RUN signal
R
R
25
INSTALLATION AND WIRING
24VDC
(SD)
Inverter
AX80
RUN
1
SE
24VDC
9
2
R
R
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