1.3 C: Tuning
78
YASKAWA ELECTRIC
SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
shows an operation example for changing accel/decel. times. The example
below requires that the stopping method be set for "Ramp to Stop" (b1-03 = 0).
Figure 1.24
Figure 1.24 Timing Diagram of Accel/Decel Time Change
Switching Acceleration and Deceleration Times by a Frequency Level
The drive can automatically switch from accel/decel times 4 (C1-07 and C1-08) to the
default accel/decel times (C1-01/02 for motor 1, C1-05/06 for motor 2) when the output
frequency exceeds the frequency level set in parameter C1-11. When it falls below this level,
the accel/decel times are switched back.
Note:
Acceleration and deceleration times selected by digital inputs have priority over the automatic
switching by a frequency level. For example, if accel/decel time 2 is selected, the drive will use
this time only and not switch from accel/decel time 4 to the selected one.
0
1
C1-05
C1-06
1
1
C1-07
C1-08
Accel/Decel Time Sel. 1
H1-
= 7
Accel/Decel Time Sel. 2
H1-
= 1A
Active Times
Acceleration
Deceleration
Output
frequency
Accel Time 1
(C1-01)
Decel Time 1
(C1-02)
Accel Time 2
(C1-03)
Decel Time 2
(C1-04)
Decel Time 1
(C1-02)
Time
FWD (REV)
Run command
ON
OFF
ON
ON
Accel/Decel Time Selection 1
(Terminals S3 to S8, H1-0x = “7”)
Accel Time 3
(C1-05)
Decel Time 3
(C1-06)
Accel Time 4
(C1-07)
Decel Time 4
(C1-08)
Decel Time 1
(C1-02)
ON
OFF
ON
OFF
ON
Accel/Decel Time Selection 2
(Terminals S3 to S8, H1-0x = “1A”)
ON
Содержание OYMC V1000
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