Chapter 12 Descriptions of Parameter SettingsMS300
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You can use both the external terminal JOG and F1 key on the optional keypad KPC-CC01
(optional) to set the JOG function. When the JOG command is ON, the AC motor drive
accelerates from 0 Hz to the JOG frequency (Pr.01-22). When the JOG command is OFF, the
AC motor drive decelerates from the JOG frequency to stop. The JOG acceleration and
deceleration time (Pr.01-20, Pr.01-21) are the time to accelerate from 0.00 Hz to the JOG
frequency (Pr.01-22). You cannot execute the JOG command when the AC motor drive is
running. When the JOG command is executing, other operation commands are invalid.
Switch Frequency between First and Fourth Accel. /Decel.
This function does not require the external terminal switching function; it switches the
acceleration and deceleration time automatically according to the Pr.01-23 setting. If you set the
external terminal, the external terminal has priority over Pr.01.23.
Use this parameter to set the switch frequency between acceleration and deceleration slope.
The First / Fourth Accel. / Decel. slope is calculated by the Max. Operation Frequency (Pr.01-00)
/ acceleration / deceleration time.
Example: When the Max. Operation Frequency (Pr.01-00) = 80 Hz, and Switch Frequency
between First and Fourth Accel. / Decel. (Pr.01-23) = 40 Hz:
a. If Acceleration Time 1 (Pr.01-02) = 10 sec., Acceleration Time 4 (Pr.01-18) = 6 sec., then the
acceleration time is 3 sec. for 0–40 Hz and 5 sec. for 40–80 Hz.
b. If Deceleration Time 1 (Pr.01-13) = 8 sec., Deceleration Time 4 (Pr.01-19) = 2 sec., then the
deceleration time is 4 sec. for 80–40 Hz and 1 sec. for 40–0 Hz.
S-curve for Acceleration Begin Time 1
S-curve for Acceleration Arrival Time 2
S-curve for Deceleration Begin Time 1
S-curve for Deceleration Arrival Time 2
Pr.01-45 = 0: 0.00–25.00 sec.
Pr.01-45 = 1: 0.0–250.0 sec.
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