2. INSTRUCTIONS
2 − 24
MELSEC-A
(11) Instruction for servo programs
Table 2.27 Instructions for Servo Programs
Classi-
fication
Unit
Instruction
Symbol
Symbol Contents of Processing
Execu-
tion Con-
dition
Number
of steps
Index
Subset
Applicable CPU Page
Start
request
DSFRP
Requests start of servo programs.
7
Dedicated to A73. 7-140
Date
change
1 word
PSFLP
Changes present position data of
stopping axes and also changes
axis feedrate during positioning
and jog operation.
7
Dedicated to A73. 7-144
*1: For the number of steps when extension devices are used or when index qualification is performed to
bit devices for AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH board, refer to Section 3.8.1.
*2: The
mark in the Index column indicates that index qualification can be performed with the AnA,
A2AS, AnU, QCPU-A (A Mode) and A2USH board only.
*3: The
mark in the Subset column indicates that subset processing can be performed with the A3H,
A3M, AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH board only.
*1
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