Hitachi SJ300 Series - Manual (Page 9)

Chapter 2 – Explanation of Functions
2. Explanation of Functions
2.1 S-curve acceleration and deceleration for elevator (EL S-curve)
Output
Frequency
(A)
(B)
(C)
(D)
Dec. time
(F003) Acc.time
(F002)
time
f-max
Shape of curve portions (A) to (D) above can be adjusted separately, as shown in the following table.
Setting value is a % of target frequency.
<Setting items>
Function
Code
Function Name Setting Range Remarks
A097 Acceleration pattern
selection
Select “04”
A098 Deceleration pattern
selection
Select “04”
P060 Curve ratio 1 during
acceleration 0. – 50 (%) Portion (B)
P061 Curve ratio 2 during
acceleration 0. – 50 (%) Portion (A)
P062 Curve ratio 1 during
deceleration 0. – 50 (%) Portion (C)
P063 Curve ratio 2 during
deceleration 0. – 50 (%) Portion (D)
(Note 1) A linear characteristic will result (A097 = A098=00) if 0% is set for the curve ratio.
(Note 2) A linear characteristic will result if the change of the target speed is less than or equal
to 10% of the maximum frequency.
(Note 3) All of the curve constants are ignored if “04” is selected in A097 and A098. Refer to the
manual for standard S-curve acceleration & deceleration description.
(Note 4) The S-curve will be recalculated if the target speed is changed while accelerating or
decelerating. Therefore do not use analog signals for the target speed.
(Note 5) Curve ratio for acceleration/deceleration must be in the range of 10% up to 50%.
9