26
INSTALLATION AND WIRING
2) Sink logic type
•
In this logic, a signal switches on when a current flows out of the corresponding signal
input terminal.
Terminal SD is common to the contact input signals. Terminal SE is common to the
open collector output signals.
•
Use terminal PC as a common terminal to prevent a malfunction 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.)
Current
STF
STR
R
R
SD
AX40
Inverter
R
R
RUN
SE
1
9
24VDC
9
10
24VDC SD
PC
24VDC
(SD)
AY40 type
transistor output
module
Inverter
1
2
STR
STF
Current flow
M4500E.book 26 ページ 2005年2月22日 火曜日 午後5時7分
Содержание M4000E series
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