Wuhan Raycus Fiber Laser Technologies CO., Ltd.
Pulsed Fiber Laser User’s Guide V2.1
6
19 at least 5 ms, and otherwise the laser machine may be damaged.
Table 4 Definition of power control PIN value
Setting 1 Setting 2 Setting 3 Setting 4
Setting 5
PIN 1
0
0
0
0
1
PIN 2
0
0
0
0
1
PIN 3
0
0
0
0
1
PIN 4
0
0
0
0
1
PIN 5
0
0
0
1
1
PIN 6
0
0
1
1
1
PIN 7
0
1
1
1
1
PIN 8
1
1
1
1
1
Current
~50 %
~75 %
~87.5 % ~93.75 %
100%
e)
PIN 20 provides control of the frequency. The frequency range should be 20kHz~60
kHz, depends on the varying power levels of different laser machines.
ATTENTION: The frequency signal must be ahead of the EM signal at least 5 ms,
otherwise the laser machine may be damaged.
f)
Definition of alarm signal
Table 5 Definition of warning signal
PIN 12
PIN 11
PIN 16
PIN 21
Alarm item
×
Low
Low
Low
Temperature alarm
×
Low
Low
High
Normal
×
Low
High
High
System alarm
×
High
Low
Low
Supply voltage
g)
Internal circuit of input/output signal
Internal circuit of input signal
：
(current of input signal must be greater than 7mA)
Figure 6. Internal circuit of input signal
