DOGA GX Series User manual

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 1
DOGA BRUSHLESS ELECTRIC
SCREWDRIVERS GX 30 VOLTS
INSTRUCTIONS MANUAL

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 2

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 3
Warning p 4
1. Scheme p 5
2. Optional products p 5
3. Description p 5
4. Main features p 5
5. Model composition p 6
6. Models p 6
7. Panel of each model p 7
8. Alarm display by LED color p 8
8.1 Speed & Soft start (GX _) p 8
8.2 Speed/Angle control & Auto Reverse (GXT _) p 9
9. Exploded view p 14
9.1 Drawing for GX Lever Start p 14
9.2 Drawing for GX Push to Start p 15
10. Parts list for GX Series p 16

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 4
WARNING
1. Keep the working area clean.
Avoid wearing the harmful clothes to the electric shock.
2. Don't touch the electrical parts after opening the cover. It may be dangerous for the electric shock.
3. Always keep the power off during contact the electrical parts.
4. Before the power on, always check the electric concerned.
5. Be sure that the any live parts should not be touched to the steel parts.
6. Use the rated power voltage for each models
7. Be careful the earth line not to touch the electric parts or lead on power.
8. Never use the non-specified parts.
9. Never lubricate aerosol oil the electrical part including the motor
10. The wires should not be damaged by sharp edge, soldering iron or any pulling force when close the cover.
11. All solder points should be protected by the shrink cable
12. Be aware that the motor can be damaged by the impact or hit.

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 5
1. Scheme
25W Brushless motor equipped screwdiver with the torque control system by the mechanical clutch working
with the spring. The range of torque: 0.2 – 12 Kgf.cm
2. Optional products
1) Soft stop, ESD and Clean room operation
---> Semi conductor, optical, storage and LCD products industry
2) Automation market with the long lasting life time with less maintenance
---> Mobile phone, LCD products and automatic fastening system industry
3. Description
Grip: Dia. 30 mm
Length: 220 mm
Weight: 350 gr Max.
Torque range: 0.2 – 12 Kgf.cm
Voltage: DC 30V
4. Main features
STANDARD
- Brushless DC motor equipped
- Built in BLDC drive circuit
- Sensor operated for Start, FOR/REV selecting, Torque limit
- Optional Soft start, Double hit
- Soft Stop (shockless) models available
- Over Current, voltage and heat Protection
- Screw pick-up accessories by the vacuum
- LED display of alarm status

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 6
5. Model composition
GX  - ○○○ ◇
① ② ③ ④
① Series: GX
② Operation
(Empty) : Standard screwdriver
A: Automation - Direct signal start and clamping flange
S: Soft Stop (Shockless) - lower shock when it stops
T: Timer & Auto Reverse
③ Maxim torque value of the range ( Kgf.cm )
35 = 3.5 Kgf.cm 80 = 8.0 Kgf.cm
45 = 4.5 Kgf.cm 120 = 12.0 Kgf.cm
④ Start type
: Lever start
P: Push start
6. Models
Options
Torque Rotation
Speed Clutch Software*
Model Start
(Kgf.cm) (Rpm) Standard Soft Stop Standard T
GX 35/ESD 0.2~3.5 300~1100 ○○
GX 45/ESD LEVER 0.4~4.5 300~700 ○○
GX 80/ESD V2 1.0~8.0 450~1000 ○○
GX 120/ESD V2 LEVER 2.0~12.0 300~700 ○○
GX 80P/ESD V2 1.0~8.0 450~1000 ○○
GX 120P/ESD V2 PUSH 2.0~12.0 300~700 ○○
GXS 80/ESD V2 1.0~8.0 450~1000 ○○
GXS 120/ESD V2 LEVER 2.0~12.0 300~700 ○○
GXS 80P/ESD V2 1.0~8.0 450~1000 ○○
GXS 120P/ESD V2 PUSH 2.0~12.0 300~700 ○○
GXT 80/ESD V2 1.0~8.0 450~1000 ○○
GXT 120/ESD V2 LEVER 2.0~12.0 300~700 ○○
GXA 35/ESD V3 0.2~3.5 300~1100 ○○
GXA 45/ESD V3 0.4~4.5 300~700 ○○
GXA 80/ESD V3 1.0~8.0 450~1000 ○○
GXA 120/ESD V3
REMOTE
2.0~12.0 300~700 ○○

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 7
* Features definition:
- Standard = Speed Control + Soft Start (soft start not available on GX35 & GX45 and GXA models)
- T = Speed & Angle Control + Auto Reverse
7. Panel of each model
- Standard (Speed & Soft Start) / GX___
- Speed & Angle Control & Auto Reverse / GXT___
8. Alarm display by LED color
Over Voltage
Blink Orange color stop the driver immediately over DC33V.
Automatically reset below DC33V.
Over Heat
Blink Red color stop the driver immediately over 70℃.
Automatically reset below 70℃.
Over Load
Blink Green & Orange color stop the driver immediately over 2.5A.
Automatically reset below 2.5A load.
Motor Drive
Motor drive lamp.

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 8
8. Settings
8.1 Speed & Soft Start (GX___)
Speed Selection:
1) Press the Speed button for 2 seconds to visit to
PROGRAM mode. Then the two LED lights will display
colours depending on the set speed.
2) Select "Reverse" on F/R switch for increasing speed or
select "Forward" on F/R switch for increasing speed.
3) Press the Speed button and select the target speed.
The set speed can be recognized by the colors of two LED
as below.
4) Press the Speed button for 2 seconds to go back to
operating (work) mode.
■Speed display by two LED color (Standard model)
LED ●●●●●●●●●●●●●●●●●●
Model Button 1th 2nd 3rd 4th 5th 6th 7th 8th 9th
GX 35 RPM 300 400 500 600 700 800 900 1000 1100
GX 45 RPM 300 350 400 450 500 550 600 650 700
GX 80 RPM 450 500 560 620 690 780 850 900 1000
GX 120 RPM 300 350 400 450 500 550 600 650 700
Soft Start Setting:
1) Press the Soft Start button for 2 seconds to enter setting mode.
2) Press the Soft Start button (pulse) to increase the Soft Start duration. As shown below, 3 steps are
available.
3) Press the Soft Start button for 2 seconds to save.
●Green: 0.2 second
●Red: 0.4 second
●Orange: 0.6 second

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 9
8.2 Speed / Angle Control & Auto Reverse (GXT___)
Model: GXT 80, GXT 120
One triggering by the lever can make 3 steps operation sequence in a cycle
■ Start, Stop and Direction in a cycle
Step 1
→2 →3
Sequence first RUN stop HOLD reverse RUN
Rotating
direction
Clockwise or Counter-
clockwise by F/R switch Reverse
Activating
Screwdriver runs to the
target angle and stops. It
always stops at the set
torque, even it does not
reach the target angle.
Stop and hold for set time
Rotate reverse until
releasing the lever or
stop at the target torque
Time setting 0 - 5 sec / 30 steps 0 - 5 sec / 12 steps x
- Screwdriver stops immediately when the lever is released in any sequence.
- Sliding F/R switch works for

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 10
■ Operating (Work) mode
① Rotating direction (FOR-REV)
■ PROGRAM mode
① First run angle (Increase / Decrease) together with "First Run(Speed)" button
② Time (Increase / Decrease) together with "Stop(Reverse)" button
③ Rotation speed (Increase / Decrease) together with "Speed(First Run)" button
④ Reverse run angle (Increase / Decrease) together with "Reverse(Stop)" button
■Angle setting for first RUN
①Keep the first Run button pressed over 2 sec. for angle setting. Then press one by one for the desired
rotating angle
②Select the R position of F/R switch for increasing set angle or F position for decreasing set angle
③Keep the first Run button pressed over 2 sec. to Lock & operating mode.

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 11
■ Time setting for stop HOLD
① Keep the stop time button pressed over 2 sec. Then click the stop time button one by one for desired stop
holding time
② Select the R position of F/R switch for increasing set time or F position for decreasing set time
③ Keep the stop time button pressed over 2 sec. to Lock & operating mode.
■ Rotating speed setting
① Keep both first Run & stop time buttons pressed over 2 sec. to unlock. Then click one by one for the
desired rotating speed.
② Select the R position of F/R switch for increasing speed or F position for decreasing speed
③ Keep the first Run button pressed over 2 sec. to Lock & operating mode.

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 12
■Angle setting for Reverse RUN
①Keep both first Run & stop time buttons pressed over 2 sec. to unlock. Then click stop time button one by
one for the desired angle
②Select the R position of F/R switch for increasing set angle or F position for decreasing set angle
③Keep the stop time button pressed over 2 sec. to Lock & operating mode.

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 13
■Application Example
First RUN
Angle
Stop HOLD
Time
Auto Reverse
Angle
Applications with different sequence in
a cycle
Normal
screwdriver off off off Normal screwdriver It stops at the set torque
Angle control ON(1) off off It stops at set angle(1)
Tapper or
Insert
fastening
ON(1) ON(2)
ON(3)
or
off
It stops at set angle(1) and waits for set
time(2), and makes reverse rotation to
the set angle(3)
Wire inserting
on terminal
block
ON(1) ON(2) off
It stops at set angle(1) and waits for set
time(2), and makes reverse rotation
and stops at set torque

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 14
9. Exploded view
9.1 Drawing for GX Lever start

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 15
9.2 Drawing For GX Push to start

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 16
10. Parts list for GX Series

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 17

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 18
1) Red colors show the newly
replaced parts.
2) SENSOR ASSY(PFFZ511A,
PFFZ512A) works with SLEEVE
ASSY(PFF1123) ( Before serial no.
7117001 )
3) SENSOR ASSY(3000036,3000037)
works with SLEEVE ASSY(3000030)
- From serial no 1002060031.
If it is push to start type of screwdriver,
replace MAGNET HOLDER
ASSY(3000043), too.
3) CONTROL PCB SET FOR
AS(PFFZ539A) does not have
firmware install.
CONTROL PCB SET(PFFZ516) with
serial no. before 8077011 is combined
with Amp & Control part.
4) PELZ318 6PIN CONNECTOR N is
for PELZ932 CABLE 6PIN only.
(Applied from s/n.8077011)

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 19
Torque Springs
Curves
Changing springs:
1 – Loosen completely the torque adjusting ring.
2 – Take off the torque spring you do not want to used anymore.
3 – Put in the torque spring you want to use.
4 – Put back the torque adjusting ring.
5 – Do not forget to adjust the torque ring to the target torque.
GX 080 GX 120

DOGA BRUSHLESS ELECTRIC SCREWDRIVERS / GX SERIE 20
06.17.60007.09/11