Programming 27
C1-07 Acceleration Time 4
C1-08 Deceleration Time 4
Setting Range: 0.0 to 6000.0 Seconds
Factory Default: 10.0 Seconds
Note: Setting range may be 0.00 to 600.00 or 0.0 to 6000.0 depending on the setting of parameter C1-10.
Acceleration time sets the time necessary for the output frequency to accelerate from 0Hz to maximum output frequency (E1-
04). Deceleration time sets the time necessary for the output frequency to decelerate from the maximum output frequency (E1-
04) to 0Hz.
C1-01 and C1-02 are the factory default active accel/decel “pair”. Other accel/decel pairs (C1-03 to C1-08) exist that can be
activated by a multi-function digital input (H1-0x= 7 and 1A). Alternatively, the active accel/decel pair can be switched from
accel/decel pair 1 (C1-01 and C1-02) to accel/decel pair 4 (C1-07 and C1-08) by a switch over frequency as programmed in
parameter C1-11.
Fig. 20 Timing Diagram of Accel / Decel Time Change
When any of the multi-function contact input selections (H1-01 to H1-06) are set to “7”and “1A”, up to four accel/decel
times can then be selected by opening or closing the appropriate accel/decel time selection commands (terminals 3 to 8).
.
Accel/decel Time Selection 1
Multi-function Input
Setting = “7”
Accel/decel Time Selection 2
Multi-function Input
Setting = “1A”
Accel Time Decel Time
Open or not set Open or not set C1-01 C1-02
Closed Open or not set C1-03 C1-04
Open or not set Closed C1-05 C1-06
Closed Closed C1-07 C1-08
Output
Frequency
Accel Time 1
(C1-01)
Decel Time 1* (C1-02)
Accel Time 2 (C1-03)
Decel Time 2*
Decel Time 1*
Time
FWD (REV) Run Command
ON OFF ON
ON
Accel/Decel Time Selection 1
(Terminals S3 to S8, H1-0x = “7”)
* When “deceleration to stop” is selected (B1-03 = “0”)
(C1-04)
(C1-02)
Accel Time 3
(C1-05)
Decel Time 3* (C1-06)
Accel Time 4 (C1-07)
Decel Time 4*
Decel Time 1*
(C1-08)
(C1-02)
ON
OFF
ON OFF ON
Accel/Decel Time Selection 2
(Terminals S3 to S8, H1-0x = “1A”)
ON
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