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5. SEQUENCE PROGRAMS AND SFC PROGRAMS
5
−
14
5.4
Speed Change Instructions (DSFLP/CHGV)
This instruction is used to change the speed of an axis during positioning or JOG
operation.
5.4.1
DSFLP instruction
Usable Devices
Bit Devices
Word (16 Bit) Devices
Constants
Pointers
Level
Carry
Flag
Flag Error
X
Y
M
L
S
B
F
T
C
D
W
R
A0 A1
Z
V
K
H
P
I
N
D
igi
t D
esi
gnati
on
N
u
m
b
er
of S
teps
S
ubset
Index
M9012 M9010 M9011
(D)
!
n
!
!
7
×
!
!
Setting data
Setting range
(D)
No. of speed change
axis
D1 to D8 (A172SHCPUN)
D1 to D4 (A171SHCPUN)
n
Speed change
designation
K1 or H1
SEQUENCE PROGRAM
DSFRP
Execution command
(D)
n
[Execution
condition]
(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>
<A171SHCPUN>
Speed Change Registers
Speed Change Registers
Axis No.
Upper
Lower
Axis No.
Upper
Lower
Axis 1
D963
D962
Axis 1
D963
D962
Axis 2
D969
D968
Axis 2
D969
D968
Axis 3
D975
D974
Axis 3
D975
D974
Axis 4
D981
D980
Axis 4
D981
D980
Axis 5
D987
D986
Axis 6
D993
D992
Axis 7
D999
D998
Axis 8
D1005
D1004
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