H - I - J PROGRAMMER’S MANUAL V8.94.11-
- 26 -
Explanation of the acceleration with breakpoints
Explanation, further submenus
Acceleration without breakpoints (normal) and
with breakpoints (multistep acceleration) can be
selected
2-3
multistep
acceleration
The duration is the time necessary for running from the previous frequency to the prescribed one.
The starting point of the characteristics is 0 Hz. If the last frequency (f4) is lower than fmax, then
between f4 and fmax the acceleration occurs with the normal slope. The acceleration consists of
linear sections. If the prescribed frequency is lower than the previous one, it will be disregarded by
the program!
2-3-1 first breakpoint (0 Hz → f1)
2-3-2 second breakpoint (f1 → f2)
The setting is the same as that of item
2-3-1 first breakpoint
2-3-3 third breakpoint (f2 → f3)
2-3-4 fourth breakpoint (f3 → f4)
Effect of the “S” curve (the same at acceleration and deceleration)
Explanation, further submenus
It means the implementation of “soft” transitions in the breakpoints of the acceleration, expressed
by means of time. This is the transition time from one slope to the other. The “S” curve is effective
in the start and end points at normal acceleration, and in all breakpoints at acceleration with
breakpoints! Without programmed “S” curve, the form of the transitions is “angled”
2-4-2 transition time
This is the time elapsing at changing-over from
one steepness to the other.
N: No change-over time, the nature of the change-
over is “angled”.
The acceleration and deceleration times become longer by the transition time. The transition from one slope value to
another occurs without breaks, continuously. The steepness of the rise and fall does not change in the straight sections!
start
f
ref.sign.
T
up
t4t3t2t1
At frequencies above f4 corresponds to the basic setting
f4
f3
f2
f1
t
f [Hz]
f
T
up
f
ref.sign.
trans. time
trans. time
t
f [Hz]
f
T
up
f
ref.sign.
trans. time
trans. time
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