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Controlling the Laser Activation Timing
Laser ON/OFF Control
Laser ON/OFF control is dependent on the combination of the laser control signal (A/B laser: CNT0-0/0-1/0-2, C/D laser: CNT1-0/1-1/1-2) from the image PCB.
NOTE:
iR4225 does not control the C,D laser for 2 beam.
<A laser/B laser>
Laser control signal
Laser status
CNT0-0
CNT0-1
CNT0-2
1
1
1
Image data output.
0
1
1
Forced output of the A laser
1
0
1
Forced output of the B laser.
0
0
1
Forced output of the A/B Laser
1
1
0
Output compulsion OFF.
0
1
0
A Laser (APC control)
1
0
0
B Laser (APC control)
0
0
0
Electric discharge: APC reset
<C laser/D laser>
Laser control signal
Laser status
CNT1-2
CNT1-1
CNT1-0
0
0
1
Image data output.
0
1
1
Forced output of the C laser.
0
1
0
Forced output of the D laser.
0
1
1
Forced output of the C/D laser.
1
1
1
Output compulsion OFF
0
1
1
C Laser (APC control)OFF
0
0
1
D Laser (APC control)OFF
0
1
0
Electric discharge: APC reset