GGM GSA Series Manual

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- 1 -

www.ggm.co.kr

Manual

GSA

SERIES

SPEED CONTROL UNI

SPEED CONTROL UNIT

Main Office/1sr Factory : 327-3 Sonne-Dong, Sosa-Gu, Buchun-City, Kyonggi-Do, Korea

Telephone l:+82-32-664-7790 Fax:+82-32-611-7791

2nd Factory : 272-11 Dodang-Dong, Wonmi-Gi, Buchun-City, Kyonggi-Do, Korea

Telephone:+82-684-7791 Fax:+82-683-5059

GGM Co., Ltd.

- 2 -

Thank you for purchasing the GGM product.

Before

use

this

product,

read

well

the

manual

certainly

and

understand all about

knowledge, safety information and cautions of

product, and use right way. After read, please be sure to keep fixed
place to refer anytime.

Confirmation at product arrival

- Confirm whether product is same with order.
- If another product is installed, there is danger of injury or fire hazard.
- Products are protected in Shock Protection paper packaging, and there are the following items.

Please confirm whether there are all of the things correctly as followings;

1) CONTROLLER --------------------------- 1 unit
2) SOCKET (11PIN) --------------------------1 unit
3) External speed setter-----------------------1 unit
4) Manual(this booklet) ----------------------1 copy

2. Precautions

Caution for installation

1. Use in the places where ambient temperature range is -10

- + 50

and humidity is

85% or less. Also, avoid the place where reaches direct ray of light, and should install
COVER etc. when use above places.
2. Avoid the places where there are a lot of dusts, vibraci ns, and ocorring flammable
GASes, corrosive GASes.

Caution for Wiring

1. Use SOCKET for connection and do not solder directly to PIN of main body.
2. Confirm well termiknal numbers in case of SOCKET connection.

Also, when insert CONTROL PACK to SOCKET, turn OFF power and insert after confirm

PIN number.
3. Large output MOTOR, solenoids, high-frequency power, electric welding, etc. may cause
malfunction of CONTROL PACK. Wire separating from CABLE of the main circuit of above
devices by power of separate circuit.

In NOISE Section, prevent malfunction referring Clause 5(unit wiring diagram).

4. Wire in the shortest distance installing MOTOR and CONTROL PACK

as near as possible

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Safety Instructions

1. Avoid use

near explosive atmosphere, atmosphere of flammable gases, corrosive

atmosphere, the place possible to touch water, and combustible materials.

2. Do not work of moving from the current carrying state, connection, checking. Please

work after turn off power.

3. Connect based on the wiring diagram and make to be sure
4. In case of mount motor, control device on unit, make not to be reached by hand or

make ground.

5. Do not operate in the exposed state of the parts that is carrying current.
6. Turn off power in case of power outage and thermal protector is operated.

There are injury and danger of device when reset suddenly.

7. Avoid to touch output terminals of the control device for 30 seconds after turn off

power. There is danger of electric shock by residual current-voltage.

8. Do not use exceeding specification of motor, control device.
9. Do not put fingers or objects to closed-region of motors, control devices.

10. Do not operate with wet hands. There is a risk of electric shock.
11. Do not hold the output shaft of the motor, running region,the lead when carry.
12. Please check the actual product is same as goods ordered.
13. Use after immobilization of the motor certainly.
14. Install cover etc. to avoid contact with rotating parts.
15. Check the direction of rotation before join with machine.
16. Avoid getting on or hang down on control device, motor.
17. Do not touch Motor output shaft (spline, toothed wheel region) with the bare hands.
18. Protection device is not supplied with the motor. Install overload protection device.

It is also recommended to install the protectional device (circuit blocks, etc.) except

overload protective device. .
19. When removing the plug, do not pull out holding the plug.

There is danger of electric shock, fire.

20. Motors and control devices should be used in a given combination. There is a risk of

fire.

21. Set PARAMETER that was set to the machine before start operation after join with

Machine..

22. In case of start operation after joining with machine, set the state to stop in emergency

at any time..

23. Turn off power immediately in case of occurring abnormal state.

There are shock, injury and fire risk.

24. Do not touch to Rotors (output shaft) during operation. There is risk of injury danger by

enwinding.

25. Do not touch the hands and body on operation or after operation of the motor, control

system.

26. Do not use in area where there is a large amount of static electricity. May cause

personal injury according to a malfunction.

- 4 -

3. Product Features and Specifications

It is used for INDUCTION SPEED CONTROL MOTOR of 6W-180W and RE VERSIBLE SPEED

CONTROL MOTOR of 6W- 90W and SPEED CONTROL & BRAKE MOTOR of 6W- 180W.

Can control and set rotational speed of MOTOR by external speed setter. Instantaneous

stop function is possible by electrical BRAKE. It is COMPACT PLUG-IN (11PIN) TYPE that is
easy to handle and install. There are SLOW RUN, SLOW STOP function that moving and
dead lock are not attained rapidly and operates slowly. There is built-in time setting function
that is easy to control. Parallel operation is possible.(Parallel operation can operate
establishing plural MOTOR CONTROL PACKs at the same time with same speed by ONE
external speed setter.)

Applied MOTOR is our company SOCKET TYPE SPEED CONTROL MOTOR.

(use MOTOR for TG voltage 24V .) ELECTRICAL BRAKE has not holding power.

GPA-U

GPA-J

GPA-C

GPA-L

Rated voltage and

Power Frequency

single phase

AC110V 60Hz

AC115V 60Hz

single phase

AC100V

50/60Hz

single phase

AC220V 50/60Hz

AC230V 50/60Hz

AC240V 50Hz

single phase

AC200V

50/60Hz

Operating Voltage
Range

10% (Rated voltage Contrast)

Rated Current

Applied

motor

output

INDUCTION

6 - 180W

REVERSIBLE

6 - 90W

SPEED&BRAKE 6 - 180W

Speed control range

60Hz : 90-1700RPM, 50Hz : 90-1400RPM

Speed regulation

5%(standard value)

speed setter

Speed can be adjusted by external speed setting device

brake

Instantaneous stop function is possible by electrical BRAKE.

Electric BRAKE time

0.5 seconds(standard value)

Parallel operation

There is function

SLOW RUN

SLOW STOP

MOTOR rotation can be accelerated and decelerated gradually.

Operating temperature
range

-10 -40

Operating humidity
range

86% or less (no condensation)

Storage temperature

-20 -60

Insulation resistance

In normal temperature and humidity, make 100M or more

between CASE and the PIN by measuring DC 500V MEGGER

Working voltage

There is no singularity even if approve 1500V 50/60 Hz for 1

minute between CASE and PIN interval in normal temperature

and humidity.

- 5 -

4. Product outside view

CONTROL PACK

11 PIN SOCKET

- 6 -

External speed setter

5. Main Body wiring diagram

1. If turn on power switch(SW1), [POWER LAMP] of CONTROL PACK is lit.
2. MOTOR speed can be adjusted without stage control by external speed setter.
3. Operational current of the MOTOR flows along the thick solid line.
Use about 0.75

wire for thick solid line, and about 0.75

wire for thin solid line.

- 7 -

6. Basic Electrical Wiring (INDUCTION MOTOR)

6-1.In case of control "one-way operation + speed" in INDUCTION MOTOR

(6W-180W)

SW1

AC125V or AC250V

5A more

SW2

DC20V 10mA

CAUTION

1. Direction of rotation of MOTOR is clockwise direction (CW) in view point of the rotating
shaft side. In case of counter-clockwise (CCW), exchange red and white color among
MOTOR LEAD lines.
2. When wiring more than 60W MOTOR, use after connect FAN MOTOR leader line(Yellow
line) to

. ('B' part)

3. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

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에서

6-2 INDUCTION MOTOR

In case of operation

one-way operation +

change of speed + braking

(6W-25W)

SW1, SW4

AC125V or AC250V 5A more

SW2, SW3

DC20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

R : External resistance

for braking

10W more

CAUTION

1. Direction of rotation of MOTOR is clockwise direction (CW) in view point of the rotating

shaft side. In case of counter-clockwise (CCW), exchange red and white color among

MOTOR LEAD lines.

2. When wiring more than 60W MOTOR, use after connect FAN MOTOR leader line(Yellow

line) to

. ('B' part)

3. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

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6-3. In case of control "one-way operation + change of speed + braking" in
INDUCTION MOTOR (40W-180W)

SW1, SW4

AC125V or AC250V 5A more

SW2, SW3

DC20V 10mA

Ro, Co

Ro=10200 (1/4W more)

Ω

Co=0.10.2

(AC125WV or AC250WV)

㎌

R : External resistance for

braking

10W more

Ω

CAUTION

1. Direction of rotation of MOTOR is clockwise direction (CW) in view point of the rotating

shaft side. In case of counter-clockwise (CCW), exchange red and white color among

MOTOR LEAD lines.

2. When wiring more than 60W MOTOR, use after connect FAN MOTOR leader line(Yellow

line) to

. ('B' part)

3. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

- 10 -

6-4. How to Use (INDUCTION MOTOR)

RUN / STOP function

6-1, 2,In basic electrical wiring of Paragraph 3, if make SW2 to the RUN side, MOTOR

rotates by the speed of rotation that was set by external speed setter, and it stops naturally
by the inertia if make to Stop side. .

RUN / braking functions

6-2, At basis electrical wiring of paragraph 3, in state of put SW2 to RUN, if put SW3,

SW4 from RUN to BRAKE, MOTOR stops moment by action of BRAKE for 0.5 seconds.

SLOW RUN. SLOW STOP functions

Through SLOW RUN, SLOW STOP control volume of CONTROL PACK,

Can set MOTOR rotation to accelerate , decelerate slowly.
Setup time increases according to raising volume and SLOW RUN : About 30 5 seconds in
Volume MAX and SLOW STOP : is set about 35 5 seconds. It is impossible to stop SLOW
STOP shorter than the time of the natural stop of MOTOR. (Up to 60Hz : 1700 rpm, 50Hz :
1400 rpm standard).

CAUTION

1. Do not change the direction of rotation about 3 seconds after stop MOTOR when power

is applied and MOTOR stops moment.
2. When not in use for long time turn SW1 OFF to avoid the heat of
CONTROL PACK

7. Basic Electrical Wiring (REVERSIBLE MOTOR)

7. Basic Electrical Wiring (REVERSIBLE MOTOR)
7-1. When operate normal/reverse RUN + change of speed in REVERSIBLE
MOTOR. (6W - 90W)

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SW1, SW3

AC125V or AC250V 5A more

SW2

DC20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

또는

Co=0.1-0.2

(AC125WV

AC250WV)

R : External resistance for

braking

10W more

CAUTION

1. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

7-2. In case of operation Normal/Reverse Run+change of speed+braking in
REVERSIBLE MOTOR (6W-25W)

- 12 -

SW1, SW4

SW5, SW6

이

AC125V or AC250V 5A

SW2, SW3

DC 20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

R : External resistance for

braking

10W more

CAUTION

1. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

7-3. In case of operation

Normal/Reverse RUN + change of speed + brakin

g in REVERSIBLE MOTOR(40W -90W)

SW1, SW4, SW5, SW6

AC125V or AC250V 5A more

SW2, SW3

DC 20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

R : External resistance for

braking

10W more

- 13 -

CAUTION

1. In connection more than 60W MOTOR, connect FAN MOTOR leader (Yellow line) to

and use.
2. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

7-4. How to Use(REVERSIBLE MOTOR)

RUN / STOP function

7-1, 2, If put SW2 to RUN in Basic electrical wiring of paragraph 3, MOTOR rotates with

the speed of rotation set by external speed setter, and if put to STOP it stops by the natural
inertia.

RUN / braking functions

7-2, In state of put SW2 to RUN side in basic electrical wiring of paragraph 3, if put SW3,

SW4 from RUN to BRAKE, MOTOR stops moment by action of BRAKE about 0.5 seconds.

SLOW RUN / SLOW STOP functions

Through SLOW RUN, SLOW STOP control volume of CONTROL PACK, can set MOTOR

rotation to accelerate , decelerate slowly.
Setup time increases according to raising volume and SLOW RUN : About 30 5 seconds in
Volume MAX and SLOW STOP : is set about 35 5 seconds. It is impossible to stop SLOW
STOP shorter than the time of the natural stop of MOTOR. (Up to 60Hz : 1700 rpm, 50Hz :
1400 rpm standard).

CAUTION

1. Do not change the direction of rotation about 3 seconds after stop MOTOR when power

is applied and MOTOR stops moment.
2. When not in use for long time turn SW1 OFF to avoid the heat of CONTROL PACK

- 14 -

8. Basic Electrical Wiring (SPEED CONTROL BRAKE MOTOR)

8-1. In case of operation

Normal/Reverse RUN+change of speed+position

keeping operation in SPEED CONTROL BRAKE MOTOR (6W-180W)

SW1, SW3, SW4

AC125V or AC250V 5A more

SW2

DC 20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

CAUTION

1. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

- 15 -

8-2. In case of operation

Normal/Reverse operation+change of speed+brakin

in SPEED CONTROL BRAKE MOTOR(6W-25W)

SW1, SW4,

SW5, SW6, SW7

AC125V or AC250V 5A more

SW2, SW3

DC 20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

R : External resistance for

braking

10W more

CAUTION

1. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

- 16 -

8-3. In case of ooperation Normal/Reverse operation+change of speed+brakin

g in SPEED CONTROL BRAKE MOTOR (40W -180W)

SW1, SW4

SW5, SW6, SW7

AC125V or AC250V 5A more

SW2, SW3

DC 20V 10mA

Ro, Co

Ro=10-200 (1/4W more)

Co=0.1-0.2

(AC125WV or AC250WV)

R : External resistance for

braking

10W more

CAUTION

1. Do not use #3 terminal of VR.

VR : External speed setter(20K 1/4W B attribute value)

- 17 -

8-4. How to use(INDUCTION MOTOR)
RUN / STOP function

RUN / STOP function

8-1, 2, If put SW2 to RUN in Basic electrical wiring of paragraph 3, MOTOR rotates with
the speed of rotation set by external speed setter, and if put to STOP it stops by the natural
inertia.

RUN / braking functions

8-2, In state of put SW2 to RUN side in basic electrical wiring of paragraph 3, if put SW3,
SW4 from RUN to BRAKE, MOTOR stops moment by action of BRAKE about 0.5 seconds.

SLOW RUN. SLOW STOP functions

Through SLOW RUN, SLOW STOP control volume of CONTROL PACK, can set MOTOR

CAUTION

1. Do not change the direction of rotation about 3 seconds after stop MOTOR when power
is applied and MOTOR stops moment.
2. When not in use for long time turn SW1 OFF to avoid the heat of CONTROL PACK

- 18 -

9. Basic Electrical Wiring (Parallel operation)

As like the following wiring diagrams, high power GSA TYPE is multiplepossible Parallel
operation that can set speed control setting MOTORs at the same time same speed by one
variable resistor for speed setter.

As like the above diagrams, wire Power Supply(Terminal number

) and Controls

(Terminal number

) in each equal line.

Even in case combination of other MOTOR and CONTROL PACK, can do parallel operation
equalizing Power Suppl and Controls.

CAUTION

1.For Power supply and control unit, lay wiring as same PIN number respectively.
2. The capacity of the speed control variable resistor can obtain as following.

VRx=20/N K , N/4 W (N : quantity of MOTORs)
ex.)in case MOTOR is 2 units it is 10K

1/2W

3. Each MOTOR rates almost the same speed, but will cause some errors by difference of
load and variation of the product.
To prevent such a phenomenon, prepare variable resistor for fine control (SVR)to terminal
number

about 5-10% resistivity of variable resistor (VRx) for speed setting, Capacity 1/4W.

- 19 -

10. The temperature rise of MOTOR

Pressure of AC SPEED CONTROL MOTOR is increased depending on the amount of the load
that MOTOR temperature rises more according to load..
It is called Use Limit Curve that MOTOR temperature rise limit TORQUE and rpm were
obtained from it, and use MOTOR in TORQUE rpm of under the curve.
In following occasion, can use more TORQUEs moving Useful Limit Curve to the Top.
- Occasion that thermally effect is good
- In case of cooling by FAN
- Occasion that ambient temperature is low

CAUTION

Use in less than 90

of surface temperature of MOTOR case.

11. Application of electrical wiring

- Control Panel

- 20 -

- In case of control rpm by external DC voltage

In case of set MOTOR speed by external DC power supply instead of an external variable
resistor for speed setting that is attached to the product, connect DC power supply and
CONTROL PACK as follows.
(However, use isolated line certainly for the DC power output and the AC input, and take
care not to chage polarity.)

(Wiring Diagram in case of control the speed by external DC voltage)

- Multistage switching method of rpm

1. In case of need multi-speed control, set

VR1, VR2, VR3 respectively and can be

switched speed by the SW1, SW2, SW3.

Set switching time of SWITCH by RELAY contact point switching time

VR1, VR2, VR3

20K 1/4W B
characteristics

SW1, SW2, SW3, SW4

DC 20V 10mA

2. There is contained 1 SET of VOLUME for external setting in CONTROL PACK package
BOX. If you need to purchase more of our products, please purchase separately.

- 21 -

-How to set quick operating time

It takes time until to start motor rotation after put RUN/STOP switch to RUN according to
become slow speed of set in motor. In case of low setting run time is an issue, connect
variable resistor VRT to adjust operation time refferring folllowing circuit.

VRT

2K 1/4W B attribute value

SW2

DC 20V 10mA

* In case of Stop Moment, use linking Run/Braking switch and Run/Stop switch of above
circuit.
* In state of put RUN/STOP switch to Stop sid, adjust the VRT just before MOTOR starting.

- 22 -

12. Use of SLOW RUN, SLOW STOP

There arefunctions SLOW RUN that is accelerated gradually up to the speed of set and
SLOW STOP that is decelerated up to the speed of set in GSA TYPE.
Use these functions when want smooth acceleration and deceleration by relieve the shock at
Start and Stop.
Time setting of SLOW RUN and SLOW STOP is available in range of SLOW RUN about 35 5
seconds, SLOW STOP : about 35 5 seconds / 1700rpm(60Hz), 1400rpm (50Hz) by variable
resistor inside CONTROL PACK.
* It is impossible to stop SLOW STOP shorter time than natural stop of MOTOR.
* In case of need not SLOW operating, turn internal VOLUME to left (counterclockwise) up to
end.

13. Moment Stop Characteristics

There is electric brake function in CONTROL PACK that can make stop moment MOTOR
during operation in a short time of 0.1 seconds.

Braking current works about 0.5 seconds and thereafter will automatically turn off.

There is no retention power catching MOTOR that is possible to adjust desired location only
after stop. In case of need retention power to stop object moving up and down,
select our CONTROL MOTOR mounted electronic brake.

CAUTION

1. In CONTROL PACK, takes about 0.5 seconds to run MOTOR after turning switch for
braking after operating Moment Stop.
2. In CONTROL PACK, if set Speed control variable resistor by 0

or stop moment in state

of put switch to RUN/STOP and then put it to RUN, Motor may run about one rotation that
avoid such operations.
In addition, if repeat RUN/STOP switch in AC power within 0.5 seconds, MOTOR may run
moment rotaion that avoid RUN/STOP in AC Power Terminal..
3. Required stop time is more than 3 seconds in order for stabilized restart after Moment
Stop.

- 23 -

14. Causes and Countermeasures of Failure

Anomalies

Checklist

Breakdown Part

Decision

Countermeasures

MOTOR does not
rotate.

Remove PACK
from SOCKET
and Connect

terminal

of SOCKET

If MOTOR rotates, it is
speed setting part or
CONTROLLER part

Check connection with
variable resistor for
speed setting

If MOTOR does not
rotate, it is MOTOR
part

Check MOTOR

connection part

Check CONDENSER

connection for MOTOR

Mount PACK
on SOCKET
and open

terminal of

SOCKET

If MOTOR rotates by
maximum speed, it is
speed setting part

Check connection with

Variable resistor for
speed setting

Check connection with

RUN/STOP switch part

If MOTOR does not
rotate, it is MOTOR
part

check connection part

with MOTOR

MOTOR rotates
at maximum
speed.

Remove PACK
from SOCKET
and approve
AC power

If MOTOR does not
rotate, it is speed
setting part or
CONTROLLER part

check connection with

Variable resistor for
speed setting

If MOTOR rotates, it
is MOTOR part

check connection part

with MOTOR

Mount PACK
on SOCKET
and connect

terminal

of SOCKET

If MOTOR stops, it
is speed setting
part

check connection with

Variable resistor for
speed setting

check run/stop switch

connection part
check connection of

terminal

If MOTOR does not
stop, it is
CONTROLLER part

Anomalies

Checklist

Breakdown Part

Decision

Countermeasures

MOTOR is not

shifted.

CHECK voltage

between

If is more than AC

20V, it is speed

check connection with

variable resistor for

- 24 -

Please contact your dealer or our 2nd factory for Product

inquiries and A/S request

Leader of Geared Motors.

Leader of Geared Motors.
GGM CO.,LTD.

GGM CO.,LTD.

http://www.ggm.co.kr

Head Office / 1st Factory

327-3 Songnae-dong, Sosa-gu,

Bucheon-si, Gyeonggi-do, Korea

TEL : +82-32-664-7790

FAX : +82-32-611-7791

2nd Factory

272-11 Dodang-dong, Wonmi-gu,

Bucheon-si, Gyeonggi-do, Korea

TEL : +82-32-684-7791

FAX : +82-32-683-5059

terminal of

SOCKET after set

external speed

setter by

maximum

setting part or

CONTROLLER

part

speed setting

If it is less than

AC 20V, it is

TACHO part

check connection of

terminal

check about 1.6K

resistance as one

TACHO unit

CHECK voltage

between

terminals when

operate external

speed setter to

change

If is changed in

interval of DC

0-6V, it is

speed setting

part

check connection of

Variable resistor for

speed setting

check connection of

RUN/STOP switch

check whether

Variable resistance for

speed setting is

changed from 0 up to

20K

If is not changed

in interval of DC

0-6V, it is

CONTROLLER

part

MOTOR does not

stop immediately .

(Moment stop

characteristics)

check External

resistance 10

10W

connection

check connection of

RUN/BRAKING switch

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