Rockwell-automation 1305 AC Drive, Firmware 1.01-3.00 User Manual Uživatelský manuál Strana 100

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Chapter 5 –Programming
5-32
Feature Select Group (cont.)
[Balan
c
e
F
re
q]
Parameter # 80 Factory Default 0 Hz
[Balan
c
e
F
re
q]
Parameter Type Read & Write Minimum 0 Hz
This parameter selects the frequency at which balance
detection is performed.
Units 1 Hertz Maximum 255 Hz
[Balan
c
e
T
im
e
]
Parameter # 79 Factory Default 0 Sec
[Balan
c
e
T
im
e
]
Parameter Type Read & Write Minimum 0 Sec
This parameter determines the amount of delay time
before a valid output occurs. The delay time begins when
the drive reaches [Balance Freq]. The output contact will
be closed when balanced and open when unbalanced.
Units 0.1 second Maximum 255 Sec
[Balan
c
e
An
g
le
]
Parameter # 78 Factory Default 0
[Balan
c
e
An
g
le
]
Parameter Type Read & Write Minimum 0
This parameter determines the acceptable variation in
phase angle which is set between a balanced condition
and an unbalanced condition. A balance condition is
defined as a variation which is less than the ‘Balance
Angle’ setting. [Output 1 Config] or [Output 2 Config]
can be set to ‘‘Balance” to indicate when a balanced
condition exists.
Maximum 255
Figure 5.18 Motor Unbalance
Phase Angle Variation
0
255
[Balance Angle]
Detection Window
–.5 Hz
+1.0 Hz
[Balance Freq]
y
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