2.3.2
Speed and acceleration times
Set the following speeds and
acceleration/deceleration
times within the specified ranges:
The max. speed parameter is the ultimate max. operating speed regardless of any other instruction
or settings. However, operations may be changed to a lower speed by an
SPD
instruction or if the
movement distance is too short for full acceleration
to this max. speed.
Max. speed
MAX
SPEED
Manual JOG speed
JOG
SPEED
Bias speed
BIAS SPEED
Home
posltion
return speed
ZERORETURNSPEED
Creep speed
CREEP SPEED
Accelerationidecelerati
on times
ACCELERATEiDECEL
ERATE TIMES
Set the max. speed within the following ranges:
*
Machine system
.....
1
to
153,000 (cmimin.,
10
deg./min., inch/min.)
Motor system and composite system
.......
10
to
100,000 (PLSisec.)
(When using the machine system unit,
10
to
100,000 100,000
PLSIsec.
PLSIsec must be used.) (factory setting)
Read the Note at the bottom of page 131 and avoid setting values
too
high.
Set the operating speed for JOG
(t),
JOG
(-)
of
the manual forwardireverse operations
(or FWDiRVS input of the PGU) on the teaching panel. The permitted range is the same
as that of the MAX SPEED parameter.
10,000
PLSIsec.
(factory setting)
Stepper motors suffer from high resonance peaks at low pulse rates. To avoid chattering
caused by this, set the bias speed
so
that the low pulse rate region can be skipped.
Machine system
......
0
to
15,300 (cm/min., 10 deg./min., inchimin.)
*
Motor system and composite system
,.....
0
to
10,000 (PLSisec.)
0
PLSisec.
(factory setting)
-
This is the operating speed when
DRV
ZRN is executed in either AUTO or MANUAL. The
permitted range is same as that of the MAX SPEED parameter.
50,000
PLSisec.
(factory setting)
The home position return has
2
speed levels. Operation is at ZERO RETURN SPEED
first. When the DOG switch is detected, it decelerates
to
CREEP SPEED. Set in the
following ranges
Machine system
,.....
0
to
15,300 (cmimin.
x
10 deg./rnin. inchimin.)
Motor system and composite system
,.,..,
10
to
10,000
(PLSisec.)
1,000
PLSIsec.
(factory setting)
Set the acceleration/decelera-
tion time within the range from
50 rnsec
to
5,000 rnsec.
The
accelerationideceleration
times will vary, depending on
the actual operating speed. PARAnumber6
I
Actual ameleration time
Max.
speed
PARA number
4
If
the
bias speed
1
by
using an
SPD
Instruction
1,000
PLSisec.
(factory setting)
-23-
V
I
I
PARA
number8
Independentsetting
PARAnumber
8
Acceleration time
is
not
possible.
Deceleration
time
-
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