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7 OPERATION CONTROL PROGRAMS
F/FS G
7.12 Motion-Dedicated Functions (CHGV, CHGT)
7.12.1 Speed change request : CHGV
Format CHGV((S1), (S2)) Number of basic steps 4
[Usable data]
Usable Data
Word device Constant
Setting
data
Bit device
16-bit
integer
type
32-bit
integer
type (L)
64-bit
floating
point
type (F)
Coasting
timer
16-bit
integer
type (K/H)
32-bit
integer type
(K/H, L)
64-bit
floating
point
type (K)
Calculation
expression
Bit
conditional
expression
Comparison
conditional
expression
(S1) — — — — —
— — — — —
(S2) —
— —
—
— —
: Usable
[Setting data]
Setting data Description Data type of result
(S1)
Axis No. to which speed change request will be
given
(S2) Specified speed
—
[Functions]
(1) A speed change is made in the following procedure.
(a) The speed changing flag (M2061 to M2092) correspond to the axis specified
with (S1) is turned ON.
(b) The speed of the axis specified with (S1) is changed to the speed specified
with (S2).
(c) The speed changing flag is turned OFF.
(2) The axis No. that may be set at (S1) is within the following range.
Q172CPU(N) Q173CPU(N)
1 to 8 1 to 32
For interpolation control, set any one of the interpolation axes. When linear
interpolation control is exercised, a speed change varies as described below with
the positioning speed designation method set in the servo program.
Positioning speed designation
method
Operation
Combined speed designation
Speed change is made so that the combined speed
becomes the speed specified with (S2).
Longest axis designation
Speed change is made so that the longest axis
speed becomes the speed specified with (S2).
Reference axis speed designation
Speed change is made so that the reference axis
speed becomes the speed specified with (S2).