Code Alarm F60 Installation Manual Page 84

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Application Parameters
84 S1A53838 09/2011
F502
[Acc/dec 1 pattern]
0
0
1
2
[Linear]
[S-ramp 1] (see diagram below)
[S-ramp 2] (see diagram below for [Acc/dec 2 pattern] (F503) parameter).
The linear acceleration and deceleration pattern is illustrated in diagram on page 83
and is used in most applications.
S-pattern 1 (see diagram below) is for use in applications that need the shortest ramp time possible while minimizing jerks during
speed changes. See below for more information about parameters [Acc/Dec S-pat start] (F506) and [Acc/Dec S-pat end]
(F507).
F503
[Acc/dec 2 pattern]
0
0
1
2
[Linear]
[S-ramp 1] See diagram below.
[S-ramp 2] See previous diagram for parameter Acc/Dec Pattern 1 [Acc/dec 1 pattern] (F502).
S-pattern 2 (diagram below) is for use in high-speed spindle applications where acceleration and deceleration rates need to be
reduced as the motor operates above its rated operating frequency—a constant hp region where motor torque is reduced.
Use parameter F503 to select the second Acc/Dec pattern. Switching between Acc/Dec patterns 1 and 2 is accomplished by
means of:
Parameter [Ramp switching]
(F504) (see page 85),
A particular operating frequency (see parameter [Commut. ramp freq.]
(F505) on page 85), or
A logic input assigned to functions 5, 20, 21, 30, 31 – 35, or 40 (see table beginning on page 91
).
For more information on Acc/Dec patterns, see parameter [Acc/dec 1 pattern] (F502) above.
F506
[Acc/Dec S-pat start]
Acc/Dec S-pattern lower limit
0 to 50% of acceleration time 10%
Use parameter F506 to adjust the lower portion of S-pattern 1. See diagram on page 85.
F507
[Acc/Dec S-pat end]
Acc/Dec S-pattern Upper Limit
0 to 50% of acceleration time 10%
Use parameter F507 to adjust the upper portion of the S-pattern 1. See diagram on page 85.
Code Name / Description Adjustment range Factory setting
0
x
x
Output Frequency (Hz)
Maximum Frequency
Actual Acceleration Time
Time (S)
Set Frequency
0
Output Frequency (Hz)
Maximum Frequency
Actual Acceleration Time
Time (S)
Set Frequency
Motor Rated
Frequency
Constant hp
Region
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