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*
Please read your User's manual carefully so that you will understand the operation and safety precautions before attempting to operate the system.
C-25
Speed
controller
Brake
U
nit
O
ptions
Index
SD48 type
Speed controller
*
Please read your User's manual carefully so that you will understand the operation and safety precautions before attempting to operate the system.
C-24
Speed change only
2
• This wiring diagram causes the motor to rotate
clockwise when viewed from the motor shaft end.
To run the motor counterclockwise, interchange
the connecting point of black and gray leads.
• Connection according to this wiring
diagram causes the motor to rotate
clockwise when viewed from the motor
shaft end. To run the motor
counterclockwise, interchange the
connecting point of black and gray leads.
<Precautions>
1. To change rotating direction of induction motor:
Provide a motor halt period. Switch over SW4 after complete stop of the motor.
2. To change rotating direction of reversible motor:
A motor halt period is not necessary. Switch over SW4 while keeping SW1 turned ON. When configuring
SW4 with relay contacts, use a relay having large gap between contacts (e.g. HG/HP relay from
Matsushita Electric Works, Ltd.) to prevent malfunction due to short-circuited capacitor.
3. For motors for cooling fan and motors with thermal protector, also refer to page C-27.
4. When using independent relay contacts for SW4 to change over normal/reverse, interlock both contacts so
that they will not close simultaneously.
5. The spark killer consisting of R1 and C1 must be used to protect the relay contacts.
SW1 : Power switch
SW2 : RUN/STOP switch
SW4 : Normal/reverse selector switch
SW1 : Power switch
SW3 : Brake start switch
SW5 : RUN/STOP switch
Unidirectional rotation and electric brake
3
<Precautions>
1. When SW3 and SW5 are moved from RUN to STOP, electric braking operates for approx. 0.5 sec
causing the motor to stop immediately. SW3 and SW5 must be turned on/off simultaneously. Otherwise,
abnormal operation occurs (full speed rotation for a short time), causing the motor temperature to rise
excessively.
2. The number of start/stop operations must be 6/min. or less.
3. For motors for cooling fan and motors with thermal protector, also refer to page C-27.
4. The spark killer consisting of R1 and C1 must be used to protect the relay contacts.
5. R2 limits flow of discharging current upon short-circuiting of the capacitor during braking.
2
1
8
3
4
6
7
Pin No.
Capacitor
Pink
Pink
TG
White
Gray
Black
Motor
CW
2
1
8
3
4
6
7
Pin No.
Capacitor
Pink
Pink
TG
White
Gray
Black
Motor
CW
CCW
R1
R1
C1
C1
SW4
SW2
RUN
STOP
SW2
RUN
STOP
Run
Run
RUN
RUN
SW2
SW1
Stop
ON
STOP
STOP
CW
CCW
Normal
Stop
SW2
SW1
Reverse
RUN
RUN
SW4
ON
STOP
STOP
Run
Braking
Braking
Run
RUN
RUN
SW3
SW5
SW1
Stop
ON
BRAKE
STOP
2
1
3
8
4
5
6
7
Pin No.
Capacitor
Pink
Pink
TG
White
Gray
Black
Motor
CW
Rated voltage
input
R2
R1 C1
RUN
RUN
BRAKE
BRAKE
SW5
SW3
2
1
3
8
4
5
6
7
Pin No.
Capacitor
Pink
Pink
TG
White
Gray
Black
Motor
CW
Rated voltage
input
SW5
BRAKE
R2
RUN
BRAKE
SW3
R1
C1
RUN
Rated voltage
input
Rated voltage
input
Speed controller
Speed controller
Speed controller
Speed controller
Rotating direction viewed
from shaft end
CW
CCW
Clockwise
Counterclockwise
Unidirectional rotation
Normal/reverse rotation
SW1
SW4
R1, C1
DV0P008 (option)
100 to 120 V supply system 5 A or more at 125 VAC
200 to 240 V supply system 5 A or more at 250 VAC
25 W or smaller
40 W or larger
SW1
SW5
SW3
DC10 V 10 mA
R1, C1
DV0P008 (option)
R2
DV0P003 (option)
100 to 120 V supply system 5 A or more at 125 VAC
200 to 240 V supply system 5 A or more at 250 VAC
SW1
NFB
SW1
NFB
SW1
NFB
SW1
NFB
