Power Supply MYJG-50 User Manual
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4
Caution :
WP
G
Figure 1
Figure 2
1) WP input terminal can use water switch or fan switch's test terminal, please pay
attention that WP is through optocoupler connected with ground (G) as (figure2), not as
(figure 1).
2) PWM Control: Requirements of the PWM frequency f ≥20 kHz, amplitude (peak value)
≤ 5V
Function of Control Interface:
TH
TL
WP
IN
Laser Output
unconnected
Low(≤0.3V)
Low(≤0.3V)
0
－
5V or PWM
Output laser
Power: Pmin~Pmax
Low(≤0.3V)
unconnected
Output about 40% laser
High(≥3V)
Any value (ok)
No laser
High(≥3V)
Unconnected
0
－
5 or PWM
Output laser, Pmin~Pmax
Low(≤0.3V)
Unconnected
Output about 40% laser
Low(≤0.3V)
Any value (ok)
No laser
Any value (ok)
Any value (ok)
High(≥3V)
No laser
VI. The connection of power supply and control board
1.Recommended connection: High-level light control
TH
TL
WP
G
IN
5V
手动出光
WP
G
High-level light control
"
G"
Control Board
Water Detection
Manual laser operating
FG (Power supply
and enclosure of
laser machine)
Computer
system
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