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Mitsubishi Electric FR-E520 Instruction Manual Page 38

Transistorized inverter.
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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 is common to the
open collector output signals.
PC
Current
STF
STR
• When using an external power supply for transistor output, use terminal SD as a
common to prevent misoperation caused by undesirable current.
(5) How to use the STOP signal
The following connection example shows how to self-hold the start signals (forward
rotation, reverse rotation).
Use Pr. 180 to Pr. 183 (input terminal function selection) to assign the STOP signal.
Forward
rotation
Reverse
rotation
R
R
AY-80 type
transistor output
module.
9
1
2
10
RL
(STOP)
MRS
Stop
RES
SD
INSTALLATION AND WIRING
Inverter
Inverter
PC
24VDC
STF
(SD)
STR
SD
Current flow
STF
STR
(Wiring example for sink logic)
28
AX80
1
RUN
R
SE
24VDC
9
R

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