MITSUBISHI ELECTRIC FR-S520 - Manual (Page 36)

27
1
2) 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. For the open collector output
signals, terminal SE is a positive external power supply terminal.
STF
STR
PC
AX80
24VDC
RUN
SE
1
9
R
R
R
R
A current flows out of
the corresponding
signal RUN
Inverter
Current
Connecting the 0V terminal of the
external power supply for transistor
output to terminal SD prevents a
malfunction caused by a undesirable
current.
AY-80
9 PC
24VDC
(SD)
1
2
10
STF
STR
SD 24
VD
C
Inverter