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TROUBLE SHOOTING
DSP - EP5/EP7/ES
M
40.3
12/05/05 M40DSP/EP5-ES_GB
DRAWING 1
CHECK THE CHOPPER FROM THE
CONNECTOR
10 Vca
OUTPUT
Check the transformer in this way:
CHOPPER CONNECTOR
CHECK MOSFET ON CHOPPER
FOR THE CHECK HOLD THE CONNECTOR AS SHOWED ABOVE
WITH A TESTER CHECK THERE ARE
DRAWING 3
How to check the potentiometer put on WDC
1)Start the welding without load (at max RPM)
2)Take the voltage from pin 1 - pin 12 on
connector P4
3)
OUTPUT 18 Vca
OUTPUT
25 Vca
OUTPUT
18 Vca
input: 220 Vac
output: 18 Vac, 25 Vac, 10 Vac
Pin 1-2
1,8
÷
25 K
Ω
Pin 3-4
(open)
Pin 5-6
(open)
(open)
3,3 K
Ω
Pin 7-8
(open)
3,3 K
Ω
3,3 K
Ω
Pin 9-10
3,3 K
Ω
3,3 K
Ω
3,3 K
Ω
Pin 11-12
3,3 K
Ω
3,3 K
Ω
3,3 K
Ω
Pin 13-14
3,3 K
Ω
3,3 K
Ω
3,3 K
Ω
DSP 400 - 415
DSP 2x400 - 500
Position
Knob
Voltage
from pin 1 - pin 12
on P4
Minimum
Max
0 Vdc
4,5 - 4,7 Vdc
DRAWING 2
14
12
10
8
6
4
2
13
11
9
7
5
3
1
© MOSA
REV.0-05/05
DSP 600-615
Содержание DSP 400 YSX
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