Inovance H3U Series - Page 577

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8
8 Electronic Cam8.8.1 Writing Electronic Cam Data
Example:
The following gure shows M0 and Y0 timing charts of an electronic cam when the X axis is selected as a
slave axis.
1 2
100
…
Master axis position (SD48, SD49)
M0
Y0
300
…
500
…
700
…
900
…
1000
…
1 2
100
…
300
…
500
…
700
…
900
…
…
8.8 Modifying Key Points for Electronic Cams
The cam curve established in the background can be read back, and the key points of the curve can be modied
in program. The following table lists instruction formats.
Electronic Cam
Instructions
“CAMWR: Writing electronic cam data”
Modifying key points in the
unit of pulses
“CAMRD: Reading electronic cam data”
Reading back key points in
the unit of pulses
“ECAMWR: Writing electronic cam
oating-point decimal data”
Modifying key points in
mechanical units
“ECAMRD: Reading electronic cam
oating-point decimal data”
Reading back key points in
mechanical units
8.8.1 Writing Electronic Cam Data
CAMWR: Writing electronic cam data
◆
Overview
The CAMWR modies electronic cam table data in the unit of pulses.
CAMWR m1 m2 D n
Writing electronic
cam data
Applicable model:
H3U
m1
Cam table
Cam table to be modied
32-bit instruction
(17 steps)
DCAMWR
:
Continuous
execution
m2
Starting
point
Starting point
D
Data
Data address
n
Number of
points
Number of key points