Panasonic MGSD, Обзор

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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-35
Speed
controller
Brake
U
nit
O
ptions
Index
EX48 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-34
Soft-operation
16
• Soft-start, soft-down
<Precautions>
1. Power switch SW1 should be turned on approx. 0.5
sec before the operation start signal from SW6.
2. When repeating run/stop cycles, turn on/off only SW6
while keeping SW1 turned ON. In this way, the motor
can be controlled by using a small signal. To stop
operation for a long time, also turn off SW1.
3. Soft-start/soft-down period is the time required for the
equipment to start up from stop state to full speed
when the external speed changer is set at maximum
value.
4. Soft-start/soft-down control, when at the full
clockwise position, disables the soft-start/soft-down
function.
As the stop signal is input, power supply to the motor
is turned off immediately. However, the revolving
speed gradually decreases in proportion to the inertia
of the load and motor starts free-running stop
sequence.
5. Soft-start/soft-down control can set maximum time
length of approx. 5 seconds (Typ. at FCCW). The
setting may be exceeded if the inertia of the load is
too large.
6. For other electrical connections, refer to
corresponding circuit/wiring diagrams.
• Soft-start and electric brake
Electrical wirings are the same as for “Unidirectional
rotation and electric brake” and “Normal/reverse
rotation and electric brake”.
Adjust the soft-start time from the soft-start/soft-down
control.
RUN
ON
0.5 sec or more
Soft-start Soft-down
Speed
SW1
SW6
3
4
2
1
6
7
Pin No.
VR
2
3
1
RUN
SW2
STOP
To TG
To motor
Rated voltage
input
Wiring of cooling fan motor and motor (F) with thermal protector (TP)
17
<Precautions>
1. The thermal protector (TP) is an automatic reset type. To prevent hazards caused by restarting, connect
the TP as shown above. Don't connect TP directly to the power supply.
2. Once the TP operates, cooling period is required before the operation can restart.
3. Connect the cooling fan motor (F) across pins 1 and 2 on the power terminal.
4. Motor (M) and tachometer generator (TG) should be connected according to corresponding wiring
diagram shown later.
Wiring to electromagnetic brake
18
• Variable speed motor with electromagnetic brake should be wired as shown below.
<Precautions>
1. SW9 should be switched to RUN or STOP at the same time as the other switches are switched to RUN or
STOP.
If the other switches are set to RUN while the brake is energized (SW9 in STOP position), the motor will
generate heat.
2. For other wirings, refer to the corresponding circuit/wiring diagrams.
2
1
TG
TG(Pink)
TP Blue
TP Blue
F(Black)
TP
M
Black
White
Gray
Rated voltage
input
Rated voltage
input
Ry
Ry
F(Black)
SW A
SW B
Ry
Closed Closed
Opened
Run
Reset
SW B
ON ON ON
Ry
SW A
TP
Closed
Closed Closed Closed Closed
Pin No.
Ry
F
2
1
Pin No.
STOP
SW9
C1
Yellow
Yellow
Motor
Brake
R1
RUN
Speed controller
Speed controller
Speed controller
SW1
SW2 DC10 V 10 mA
VR DV0P002 (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
SW A Momentary N.O. contact
SW B Momentary N.C. contact
100 to 120 V supply system 5 A or more at 125 VAC 3a contact
Ry
200 to 240 V supply system 5 A or more at 250 VAC 3a contact
SW1
SW9
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
SW1 NFB
SW1
NFB
NFB