B WT20C Qilin double swing handheld laser cleaning system user
2.10 Laser control interface
The laser interface is an 8 PIN, green terminal + 4 PIN
green terminal
Figure 2.10 Diagram of the laser control interface
Table 2.10 shows the laser interface definition.
Table 2.10
pin
signal
defi
niti
on
expl
ain
1
PWM+
Laser-modulation Duty cycle 0% -100% adjustable, 24V
signal +
and 5V switchable
2
PWM-
Laser Modulated
Reference to the power source
signal-
3
EN+
Laser enabling
Control laser light signal, high
signal +
level effective, 24V and 5V can be
switched
4
EN-
Laser-enabling
Reference to the power source
signal-
5
RED+
Laser red light
Laser red light control (optional)
signal
6
RED-
GND
Reference to the power source
7
NC+
The laser enables Laser 24V backup port
the backup port
8
NC-
Laser backup port Reference to the power source
ground
9
DA 1+ Analog voltage
For laser peak power regulation, 0-
output +
10V and 0-4V analog voltage selection
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