Wuhan Raycus Fiber Laser Technologies CO., Ltd.
RFL-P70QA Pulsed Fiber Laser User’s Guide V2.1
5
Figure 5 Connect port of controller
Table 3 Definition of connect ports of controller
PIN No.
Name
Description
1-8 (D0-D7)
Power Setting
8 bit Parallel port; D0 is minimum
bit and D7 is maximum bit;
Range: 0-255 (hexadecimal:
0X00-0XFF); 0 is minimum power
and 255 is maximum power.
10,14
Ground
Digital GND
11,12,16,21
Laser alarms status
see alarm codes in the table below
17
VCC
+5 VDC power supply input for
independent operation of the guide
laser and PCB.
Maximum current consumption is
0.1 A.
18
EE
Emission Enable (EE) signal.
HIGH: Emission Enable
LOW or disconnected: Emission
Disable
19
EM
Emission Modulation (EM) input.
HIGH (>3 V): Emission ON
LOW or disconnected (<1 V):
Emission OFF
20
Sync
Pulse Repetition Rate
(Synchronization) input, square
wave.
22
Guide Laser signal
Guide Laser (red diode) ON/OFF
input.
9,13,15,23,24,25
Obligate PIN
Reserved for Raycus only
a) The pump current of diode laser and the laser output power are controlled by setting the
value of PIN1-PIN8 (TTL level). PIN1-PIN8 can be set from 0
～
255
，
corresponding to the
laser output power from 0
～
100
％
(the actual laser power may not be strictly linear with the
setting value). The relationship between PIN value and output power is shown in Table 4:
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
