CANON Digital Galvano Scanner System
KP-1SM GC-251
Users Manual 1.00
49
【
Input the external trigger signal
】
The external trigger signal is input from the digital I/O connector.
(
See 5-1 ‘Connector Pin Arrangement
)
Connector pin arrangement
Pin
NO.
Monitor Board
Signal Name
I/O Signal
Description Logic Remarks
B5
D
10 Input
External
Trigger
Signal High
:
ON
See Circuit below.
Connection Specifications
3.3V TTL
Input
【
Operation procedure
】
(Raster Scan Parameter Settings)
・
Set Parameter ID =26
Raster Scan Time
・
Set Parameter ID =27
Raster Scan Duty Ratio
・
Set Parameter ID =28
Raster Scan Angle
(Raster Scan Operation
)
・
Send Command ID=8
Data=6 Movement Start (Movement to the Initial position
of raster scan)
・
Send Command ID=23 Data=8 (One way scan)
Data=9 (One coming and going)
(Reference: Data =3 in case of continuous operation)
・
Input the external trigger Signal
・
Send Command ID=23 Data=0
Scan Stop
【
Notes
】
・
The external trigger input during raster scan move is ignored.
・
10usec or less is uneven from the external trigger signal input at time until beginning to
・
actually operate.
FPGA
3.3V-TTL
R
:
100
Ω
Connector
Select either