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5. SEQUENCE PROGRAMS AND SFC PROGRAMS
5.4
Speed Change Instructions (DSFLP/CHGV)
5.4.1
DSFLP instruction
Bit Devices
X
Y
M
(D)
n
SEQUENCE PROGRAM
[Execution
condition]
Execution command
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This instruction is used to change the speed of an axis during positioning or JOG
operation.
Usable Devices
Word (16 Bit) Devices
L
S
B
F
T
C
D
W
!
(1) The following processing is executed at the leading edge (OFF → ON) of the
DSFLP instruction:
(a) Current value change
1) The speed change in progress (M2021 to M2028/M2021 to M2024)
corresponding to the axis designated in (D) is turned ON.
2) A command to change the currently effective positioning speed to the
speed stored in the speed change register for the axis designated in (D)
is issued.
3) The speed change in progress flag is turned OFF.
(2) The numbers of registers used for current value change and speed change
operations are indicated in the table below. (For details, see Section 3.2.2.)
<A172SHCPUN>
Axis No.
Axis 1
Axis 2
Axis 3
Axis 4
Axis 5
Axis 6
Axis 7
Axis 8
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Constants
Pointers Level
R
A0 A1
Z
V
K
H
!
!
n
DSFRP
(D)
Speed Change Registers
Upper
Lower
D963
D962
D969
D968
D975
D974
D981
D980
D987
D986
D993
D992
D999
D998
D1005
D1004
5 − 14
P
I
N
×
7
Setting data
Setting range
No. of speed change
D1 to D8 (A172SHCPUN)
(D)
axis
D1 to D4 (A171SHCPUN)
Speed
change
n
K1 or H1
designation
<A171SHCPUN>
Speed Change Registers
Axis No.
Upper
Axis 1
D963
Axis 2
D969
Axis 3
D975
Axis 4
D981
Carry
Flag Error
Flag
M9012 M9010 M9011
!
!
Lower
D962
D968
D974
D980
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