3 MOTION DEDICATED PLC INSTRUCTION
[Operation]
Sequence program
DP.CHGA instruction
CPU dedicated transmission
(0.88ms cycle)
Current value change
Complete device (D1+0)
Status display device (D1+1)
at the completion
[Setting range]
Outline operation between CPUs at the DP.CHGA instruction execution by specifying
"Cn" as Axis No. is shown below.
ON
Request data set
Transfer
0.88ms
(1) Setting of cam axis to execute the current value change within 1 cam shaft
revolution
The cam axis to execute the current value change within 1 cam shaft revolution
set as (S1) sets C + cam axis No. in a character sequence " ".
Q173DSCPU
Q173DCPU(-S1)
Q172DSCPU
Q172DCPU(-S1)
The number of axes which can set are only 1 axis.
Set "C" in a capital letter and use the axis No. set in the system setting as the axis
No. to start.
Refer to the "Q173D(S)CPU/Q172D(S)CPU Motion controller Programming
Manual (COMMON)" for system settings.
(2) Setting of the current value to change
(n2) usable range
-2147483648 to 2147483647
END
DP.CHGA execution
Transfer
Response
data set
current value change processing
(S1) usable range
1 to 32
1 to 16
1 to 8
3 - 24
END
Cam axis
ON
ON : Abnormal completion only
1 scan