Chapter 12 Description of Parameter SettingsC2000-HS
12.1-01-7
First / Fourth Acceleration / Deceleration Frequency
Default: 0.0
Settings 0.0–1500.0 Hz
This function does not require the external terminal switching function; it switches the
acceleration and deceleration time automatically by the Pr.01-23 setting. If you set the external
terminal, it is based on the external terminal first, and not on Pr.01-23.
When using this function, and the fourth acceleration time is set too short, set the S-curve
acceleration time to 0.
a. When Pr. 01-02 = 10s, Pr. 01-18 = 6s, then the 0–40 Hz acceleration time is 3s and 40–80 Hz
acceleration time is 5s.
b. When Pr. 01-13 = 8s, Pr. 01-19 = 2s, then the 80–40 Hz deceleration time is 4s and 40–0 Hz
deceleration time is 1s.
S-curve Acceleration Begin Time 1
S-curve Acceleration Arrival Time 2
S-curve Deceleration Begin Time 1
S-curve Deceleration Arrival Time 2
Default: 0.20
Settings Pr. 01-45=0: 0.00–25.00 seconds
Pr. 01-45=1: 0.0–250.0 seconds
Sets a slow start when the drive begins to accelerate at the start. The acceleration and
deceleration curve adjust the S-curve acceleration and deceleration according to the parameter
value. When you enable this function, the drive has a different acceleration and deceleration
curve based on the acceleration and deceleration time.
The S-curve function is disabled when you set the acceleration and deceleration time to 0.
When Pr. 01-12, Pr. 01-14, Pr. 01-16, Pr. 01-18 Pr. 01-24 and Pr. 01-25, the actual acceleration
time = Pr. 01-12, Pr. 01-14, Pr. 01-16, Pr. 01-18 + (Pr. 01-24 + Pr. 01-25) / 2
When Pr. 01-13, Pr. 01-15, Pr. 01-17, Pr. 01-19 Pr. 01-26 and Pr. 01-27, the actual deceleration
time = Pr. 01-13, Pr. 01-15, Pr. 01-17, Pr. 01-19 + (Pr. 01-26 + Pr. 01-27) / 2
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