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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-33

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-32

Multispeed setting application

11

Speed change with analog signal

12

<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.

Parallel operation through external speed changer

14

<Precautions>

1. The resistance Rs of the external speed changer VR 

should be as follows:
   Rs = 20/N (k

)

where, N is the number of motors.

2. For synchronous operation or ratio operation, desired 

revolving speeds must be set from the maximum 
speed control.
Soft-start and soft-down controls and operation 
changeover switch must be set to the same position.

3. Wirings from the external speed changer VR should 

be connected to the same pins (No.3 and No.6) on 
the controller.

4. Malfunction may occur as the number of devices 

operated in parallel increases.
To secure correct operation, connect a noise filter to 
each unit.

5. For other electrical connections, refer to correspond-

ing circuit/wiring diagrams.

Parallel operation through analog signal

15

<Precautions>

The input impedance of the controller is approx. 22 k

.

The output impedance of the analog signal source 
should be determined based on the total input 
impedance of the speed controllers.
For other precautions, refer to [14] Parallel operation 
through external speed changer and [12] Speed change 
with analog signal.

<Precautions>

1. Soft-operation can be adjusted from the soft-start and soft-down 

controls or by using analog signal.

2. 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.

3. Revolution speed “0” signal should not exceed 0.1 VDC.
4. The percentage ripple of analog voltage signal should be 2% or 

less.

5. For other wirings, refer to the corresponding circuit/wiring 

diagrams.

SW2

SW3

SW8

VR1

VR2

VR3

DV0P002

(option)

DC10V

10 mA

3

7

6

4

Pin No.

3

1

SW8

SW2

RUN

STOP

3

2

1

2

3

1

2

To TG

To TG

VR1

VR2

VR3

3

7

6

5

4

Pin No.

3

1

SW8

SW3

RUN

3

2

1

2

3

1

2

VR1

VR2

VR3

3

6

Pin No.

e

max

R2

R1
1 k

0

500

1000

1400

1700

Analog signal (DC)

(min

1

)

1

2

3 (V)

MAX DC5 V

GND

3

6

22 k

Operation through contactless signal

13

• Small signal relays SW2 and SW3 can be replaced with transistor.

4 or 5

7

6

Pin No.

Tr1

2

3

1

VR

3

7

6

Pin No.

3

7

6

Pin No.

To TG

To TG

To TG

To TG

GND

DC
0 to +3 V

3

7

6

Pin No.

3

7

6

Pin No.

Speed controller

Speed controller

Speed controller

Speed controller

Speed controller

Speed controller

Speed controller

BRAKE

To TG

No braking applied

Braking applied

R2                  – 1 k

e

max

3

e

max : Analog signal max. voltage

   R1 : External resistor: 1 kW
   R2 : External resistor

Содержание MGSD

Страница 1: ...WWW 100Y COM TW 0Y COM TW WWW 100Y COM TW M TW WWW 100Y COM TW C 2 Speed Controller Overview Overview of Speed Controllers These controllers vary speed of compact geared motors The lineup of the speed controllers is divided into the following 4 types to meet various applications and configuration 1 Separate type speed controller Speed controller of the basic configuration 2 48 mm sq 1 89 inch sq s...

Страница 2: ...SD48AY DVSD48AL DVSD48AY DVSD48AL DVSD48AY DVSD48AL DVSD48AY DVSD48BL DVSD48BY DVSD48BL DVSD48BY DVSD48CL DVSD48CY DVSD48CL DVSD48CY SD48 type DVEX48AL DVEX48AL DVEX48AY DVEX48AL DVEX48AY DVEX48AL DVEX48AY DVEX48AL DVEX48AY DVEX48BL DVEX48BY DVEX48BL DVEX48BY DVEX48CL DVEX48CY DVEX48CL DVEX48CY EX48 type Speed controller Motor M6RX4GV4L M6RX6GV4L M6RX6GV4Y M6RX6GV4LG A M6RX6GV4DG A M6RX6GV4YG A M6...

Страница 3: ...op capability Parallel operation Two or more motors can be controlled from a single control knob Can link with various control systems Can control motor s in conjunction with different controlling systems such as sequencer The voltage signal can also be used as control signal DV1131 DV1132 DV1134 DV1231 Single phase 100 VAC Single phase 200 VAC 10 at rated voltage 50 60 Hz 0 4 A 1 A 2 0 A 0 3 A Hi...

Страница 4: ... independent relay contacts for SW2 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 Connection diagram list Wiring diagram for unidirectional rotation Speed change only Unidirectional rotation and electric brake Normal reverse rotation and electric brake Wiring of ...

Страница 5: ...temperature rises 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 12 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 Normal reverse rotation and electric brake ...

Страница 6: ...h RUN STOP switching of other switches if any Placing other switch to RUN position while the brake is active SW9 at STOP position causes the motor to generate heat 2 For remaining wirings refer to corresponding wiring diagram Wiring diagram for unidirectional rotation 7 Variable speed motor with electromagnetic brake should be wired as shown below The thick continuous lines represent main circuit ...

Страница 7: ...prolonged time turn off power switch SW1 Precautions 1 Connect a fixed resistor R3 in place of external speed changer VR When no external speed changer is required the speed can be adjusted from the maximum speed control With the external speed changer connected the motor can be started stopped with a small signal through SW6 contact while the power switch SW1 see diagram above is on The SW6 provi...

Страница 8: ...ers 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...

Страница 9: ...ber of motors 2 For synchronous operation or ratio operation desired revolving speeds must be set from the maximum speed control Soft start and soft down controls and operation changeover switch must be set to the same position 3 Wirings from the external speed changer VR should be connected to the same pins No 5 and 6 on the controller 4 Malfunction may occur as the number of devices operated in ...

Страница 10: ...the brake is energized SW9 in STOP position the motor will generate heat 2 For other wirings refer to the corresponding circuit wiring diagrams If the application is speed change without using electric braking page C 14 perform wiring according to Start stop control with small signal Closed Closed Opened Run Reset SW B ON ON ON Ry SW A TP Closed Closed Closed Closed Closed 2 1 TG TG Pink TP Blue T...

Страница 11: ...32 5 5 0 22 69 2 2 72 14 5 0 57 44 5 mm sq 1 75 inch sq EX48 48 mm sq 1 89 inch sq 5 5 0 22 83 0 3 27 14 5 0 57 44 5 mm sq 1 75 inch sq SPEED CONTROLLER SOFT MAX SPEED RESPONSE ADJ START DOWN A B Wiring diagram for unidirectional rotation 1 The motor revolving speed can be set from the speed setting knob on the panel The thick continuous lines represent main circuit Use conductor of size 0 75 mm2 ...

Страница 12: ...4 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...

Страница 13: ... 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 27 5 Insert R1 and C1 to protect relay contact 6 R2 restricts discharge current in case of capacitor short circuit during braking SW1 Power switch SW3 Braking start switch SW5 RUN STOP switch SW6 SW7 Normal reverse selector switch 2 1 3 8 5 4 6 7 Pin No Ca...

Страница 14: ...d from the maximum speed control within its adjustable range not full range but almost by half Operation from maximum speed control SW1 Power switch SW2 RUN STOP switch SW4 Normal reverse selector switch Wiring diagram for unidirectional rotation 7 The thick continuous lines represent main circuit Use conductor of size approx 0 75 mm2 The thin continuous lines represent signal circuit Use conducto...

Страница 15: ...m speed control within its adjustable range not full range but almost by half SW1 Power switch SW3 Braking start switch SW5 RUN STOP switch SW6 SW7 Normal reverse selector switch When no external speed changer is required the speed can be adjusted from the maximum speed control Unidirectional rotation and electric brake Precautions 1 When SW3 and SW5 are switched from RUN to STOP electric braking ...

Страница 16: ...emaining wirings refer to the corresponding wiring diagrams Parallel operation through external speed changer 14 Precautions 1 The resistance Rs of the external speed changer VR should be as follows Rs 20 N kΩ where N is the number of motors 2 For synchronous operation or ratio operation desired revolving speeds must be set from the maximum speed control Soft start and soft down controls and opera...

Страница 17: ...um 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...

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