Mitsubishi Electronics FR-A500 ユーザーズマニュアル
24
5) Source logic type
•
The Source logic type is a logic where 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.
•
When using an external power supply for transistor output, use terminal SD as a common to prevent
misoperation caused by undesirable current.
(4) How to use terminals "STOP", "CS" and "PC"
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 transistor output cannot be
prevented.
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>
Short terminals CS-SD and set a value other than "9999" in Pr. 57 "coasting time for
automatic restart after instantaneous power failure".
AX80
24VDC
RUN
SE
1
9
R
Inverter
R
PC
STF
STR
R
R
Current
AY-80 type
transistor output
module.
transistor output
module.
9
1
2
10
PC
STF
STR
SD
24VDC
(SD)
(SD)
24
V
D
C
Inverter
Current flow
MRS
RES
SD
STF
STR
STOP
Reverse
rotation
rotation
Stop
Forward
rotation
rotation
CS
SD
(Short)