Canon GC-251 用户手册
CANON Digital Galvano Scanner System
KP-1SM Series + GC-251
Users Manual 1.00
45
5.3.
Digital Input-Output Function
The controller has a digital input-output function for checking the status of the controller.
Pin
No.
I/O Signal
Description Logic
Explanation
A1
Output
Axis 1 Error 1 (Priority high)
1:
Error
If an error occurs, the
corresponding error signal is
output.
According to the priority of the
corresponding error signal is
output.
According to the priority of the
error, Error 1 or 2 is output.
See 9-2, “Errors.”
B1
Output
Axis 1 Error 2 (Priority low)
1: Error
B2
Output
Axis 2 Error 1 (Priority high)
1: Error
A3
Output
Axis 2 Error 2 (Priority low)
1: Error
A2
Output
Axis 1 servo interrupt period
Edge
These are output at a servo
interrupt timing in the
controller.
interrupt timing in the
controller.
B3
Output
Axis 2 servo interrupt period
Edge
In addition, the following, digital I/O is prepared as an operation setting of the controller.
Pin
NO.
I/O Signal
Description
Logic
Explanation
A5
Input External Sampling Signal
↑：
INT
generation
When external signal is used for
servo sampling clock.
(Do not use it usually.)
B5 Input
External
Trigger
Signal
High：ON
See 6-2, “Operation that
synchronizes with external
trigger Signal input(raster scan)
A6
Input Activation mode switching
See 6-1, “Setting Controller
Activation Mode”