172 ACE-tronics G9 ASD Installation and Operation Manual
Acc/Dec Pattern 1 – 4
Program Special Acc/Dec Special
Four acceleration times and four deceleration times may be set up and run
individually. One of four accel/decel times may be selected by 1) using this
parameter selection, 2) by discrete input terminal, or 3) switched via user-set
threshold frequencies.
This parameter is used to select one of the four configured accel/decel profiles
to be used.
Settings:
Acc/Dec 1 (F009/F010)
Acc/Dec 2 (F500/F501)
Acc/Dec 3 (F510/F511)
Acc/Dec 4 (F514/F515)
Each Accel/Decel selection is comprised of an Acceleration Time,
Deceleration Time, and a Pattern selection. Selection 1, 2, and 3 have a
Switching Frequency setting. The Switching Frequency is used as a threshold
frequency that, once reached, the ASD switches to the next Acc/Dec selection.
Switching Frequency settings are used during acceleration and deceleration. A
switching frequency setting is not required for Acc/Dec 4.
Acc/Dec 1 is set up using parameters F009 (Acc Time), F010 (Dec Time), F502
(Pattern), and F505 (Switching Frequency).
Acc/Dec 2 is set up using parameters F500 (Acc Time), F501 (Dec Time), F503
(Pattern), and F513 (Switching Frequency).
Acc/Dec 3 is set up using parameters F510 (Acc Time), F511 (Dec Time), F512
(Pattern), and F517 (Switching Frequency).
Acc/Dec 4 is set up using parameters F514 (Acc Time), and F515 (Dec Time),
F516 (Pattern).
This parameter (F504) is used to manually select Acc/Dec 1 – 4.
To switch using the ACE G9-120V-PCB, assign the functions Acc/Dec
Switching 1 and Acc/Dec Switching 2 to two discrete input terminals.
Activation combinations of the two terminals result in the Acc/Dec 1 – 4
selections as shown in
Table 6.
Figure 31 shows the setup requirements and the resulting output frequency
response when using Switching Frequency settings to control the Acc/Dec
response of the ASD output.
While operating using S-Pattern 1 the system performance may be further
defined by the adjustment of parameters
F506 – F509. These settings provide
for upper and lower Acc/Dec limit adjustments. These settings are used to
extend or shorten the upper or lower Acc/Dec curve.
Note: If operating from the Local mode, press Esc from the Frequency
Command screen to access this parameter (ACC/DEC Group).
Direct Access Number — F504
Parameter Type — Selection List
Factory Default — 1
Changeable During Run — Yes
Table 6.
Figure 31. Using Acc/Dec Switching.
Accel/Decel Switching Frequency 1
Program Special Accel/Decel Special
This parameter sets the frequency at which the acceleration control is switched
from the Accel 1 profile to the Accel 2 profile during a multiple-acceleration
profile configuration.
Direct Access Number — F505
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — Max. Freq. (F011)
Units — Hz
Using combinations of discrete terminal
activations Accel/Decel profiles 1–4 may
be selected.
Acc/Dec Switching Truth
A/D SW 1 A/D SW 2 Acc/Dec # Out
00 1
01 2
10 3
11 4
1 = Discrete terminal activation.
1 — Accel Time 1 (F009 Setting)
2 — Accel Time 2 (F500 Setting)
3 — Accel Time 3 (F510 Setting)
4 — Accel Time 4 (F514 Setting)
5 — Decel Time 4 (F515 Setting)
6 — Decel Time 3 (F511 Setting)
7 — Decel Time 2 (F501 Setting)
8 — Decel Time 1 (F510 Setting)
F504 F505
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