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INSTALLATION AND WIRING
15
5) 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.
DC24V
RUN
SU
SE
1
2
9
8
R
R
R
R
AX80
PC
STF
STR
R
R
Current
• When using an external power supply for transistor output, use terminal SD as a common to prevent
misoperation caused by leakage current.
AY-80
9
1
2
10
PC
STF
STR
SD
DC24V
(SD)
DC24V
Inverter
(
4
)
How to use terminals “STOP”, “CS” and “PC”
1) Using the “STOP” terminal
A connection example (for sink logic) for self-holding the start signal (forward
rotation, reverse rotation) is shown on the right.
2) Using the “CS” terminal
This terminal is used to perform automatic restart after instantaneous power failure
and commercial power supply-inverter switch-over operation.
<Example: Automatic restart after instantaneous power failure in sink logic>
Connect terminals CS-SD and set a value other than “9999” in Pr. 57 “coasting time
for automatic restart after instantaneous power failure”.
3) Using the “PC” terminal
This terminal can be used as 24VDC power output using SD as a common terminal.
Specifications: 18V to 26VDC, 0.1A permissible current
Note that the wiring length should be within 30m.
Do not short terminals PC-SD.
When terminal PC is used as a 24V power supply, leakage current from transisto
r
output cannot be prevented.
MRS
RES
SD
STF
STR
STOP
Reverse
rotation
Stop
Forward
rotation
CS SD
(Short)