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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-17
Speed
controller
Brake
U
nit
O
ptions
Index
EX 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-16
Multispeed setting application
11
Speed change with analog signal
12
• When no external speed changer is required,
the speed can be adjusted from the maximum
speed control.
SW1 : Power switch
SW2 : RUN/STOP switch
SW3 : Braking start switch
SW4,SW5 : Normal/reverse selector switch
Normal/reverse rotation and electric brake
<Precautions>
1. When SW2 and SW3 are switched from RUN to
STOP, electric braking is applied for approx. 5
sec, or until the motor stops. (Do not operate
SW4 and SW5 until the motor stops completely.)
SW2 and SW3 must be operated simultaneously.
Otherwise, abnormal operation occurs (full speed
rotation for a short time), causing the motor
temperature rises excessively.
2. Do not change the rotating direction (SW4, SW5)
while the motor is running.
3. The number of start/stop cycles must be 6/min.
or less.
4. When using cooling fan motor or motor with
thermal protector, also see page C-20.
5. Insert R1 and C1 to protect relay contact.
6. R2 restricts discharge current in case of
capacitor short circuit during braking.
<Precautions>
1. Set external speed changers VR1, VR2 and VR3 to 3 different speeds and select the desired speed from
SW8.
2. When activating the brake, simultaneously switch over SW3 and RUN-STOP of other switches.
3. For remaining wirings, refer to the corresponding wiring diagrams.
<Precautions>
1. Turn on power switch SW1 approx. 0.5 sec earlier than the
analog start signal.
2. For repetitive run/stop operations, use the analog signal while
keeping SW1 ON.
3. Soft-operation can be adjusted from the soft-start and soft-
down controls or by using analog signal.
4. On the maximum speed control, set the maximum motor
revolving speed that may be achieved at the maximum analog
signal value (e.g. 3 VDC).
5. The absolute maximum rating of analog signal is 5 VDC.
The system should be designed to use standard 3 VDC analog
signal. If the signal voltage exceeds 3 VDC, the circuit diagram
shown below should be used for wiring.
6. Revolution speed “0” signal should not exceed 0.1 VDC.
7. The input speed pattern (curve) may not be exactly
reflected on the motor speed, due to inertial effect of the
load, especially during stop sequence.
8. The percentage ripple of analog voltage signal should be
2% or less.
9. For other wirings, refer to the corresponding circuit/wiring
diagrams.
10. When using the braking feature, motor wiring (pins 1, 7
and 8) should be in accordance with pages C-8 and C-9.
To activate braking, switch SW2 and SW7 at the same
time.
If SW2 is in RUN position while SW7 is in STOP,
abnormal operation occurs (full speed rotation for a short
time); or if SW7 is in RUN position while SW2 is in
STOP, motor temperature rises excessively.
<Precautions>
1. Connect a fixed resistor (R3) in place of
external speed changer (VR).
10
2
1
8
7
3
6
5
4
Capacitor
Pink
Pink
TG
Gray
Black
White
Motor
Rated voltage
input
VR
1
STOP
STOP
RUN
RUN
SW3
SW3
SW5
CCW
CW
SW4
CCW
CW
SW2
R2
C1
R1
3
2
3
6
5
4
Pin No.
R3 20 k
Ω
1/4 W
To TG
STOP
RUN
SW3
Pin No.
Pin No.
2
1
8
7
3
6
5
4
Capacitor
Pink
Pink
TG
Gray
Motor
Rated voltage
input
VR
1
STOP
STOP
RUN
RUN
SW3
SW4
CW
R2
SW2
C1
R1
SW5
CW
CCW
CCW
3
White
Black
CW
CCW
Normal
Stop
STOP
SW2
SW3
SW1
Reverse
RUN
RUN
SW4
SW5
ON
Braking
Braking
SW3, SW8 DC10V 10 mA
VR1
VR2
VR3
DV0P002
(option)
3
4
5
6
Pin No.
3
1
SW8
2
3
1
2
3
1
2
To TG
To TG
To TG
To TG
To TG
VR3
VR1
VR2
No braking applied
3
4
5
6
Pin No.
3
1
SW8
2
3
1
2
3
1
2
VR3
VR1
VR2
Braking applied
3
4
5
6
2
1
Pin No.
No braking applied
MAX
DC5V
GND
3
4
5
6
2
1
Pin No.
Braking applied
Rated voltage
input
Rated voltage
input
MAX
DC5V
GND
STOP SW7
RUN
STOP SW3
RUN
3
4
5
6
Pin No.
emax
GND
R2
R1
1 k
Ω
0
500
1000
1400
1700
(min
–
1
)
1
2
3 (V)
Analog signal (DC)
R2 – 1 k
Ω
e
max
3
e
max : Analog signal max. voltage
R1 : External resistor: 1 kW
R2 : External resistor
Speed controller
Speed controller
Speed controller
Speed controller
Speed controller
Speed controller
Speed controller
Speed controller
Operation from maximum speed control
25 W or smaller
40 W or larger
SW1, SW2
SW4, SW5
SW3
DC10 V 10 mA
R1+C1
DV0P008 (option)
R2
DV0P003 (option)
100 V supply system 5 A or more at 125 VAC
200 V supply system 5 A or more at 250 VAC
Rotating direction viewed
from shaft end
CW
CCW
Clockwise
Counterclockwise
SW1
SW7
DC10 V 10 mA
100 V supply system 5 A or more at 125 VAC
200 V supply system 5 A or more at 250 VAC
SW1
NFB
SW1
NFB
SW1
NFB
SW1
NFB
