Danfoss VLT AQUA Drive FC 202 Programming Manual page 66

Parameter Description
4-54 Warning Reference Low
Range:
-999999.999
*
3 3
4-55 Warning Reference High
Range:
999999.999
*
4-56 Warning Feedback Low
Range:
-999999.999
ReferenceFeed-
backUnit
*
4-57 Warning Feedback High
Range:
999999.999
ReferenceFeed-
backUnit
*
4-58 Missing Motor Phase Function
Option:
[0] Disabled
64
Function:
[ -999999.999 - Enter the lower reference limit.
par. 4-55 ] When the actual reference falls
below this limit, the display
indicates Ref
Low
outputs can be programmed to
produce a status signal on
terminal 27 or 29 and on relay
output 01 or 02.
Function:
[ par. 4-54 - Enter the upper reference limit.
999999.999 ] When the actual reference
exceeds this limit, the display
reads Ref . The signal outputs
High
can be programmed to produce a
status signal on terminal 27 or 29
and on relay output 01 or 02.
Function:
[ -999999.999 - Enter the lower feedback
par. 4-57 limit. When the feedback
ReferenceFeed- falls below this limit, the
backUnit] display reads Feedb
The signal outputs can
be programmed to
produce a status signal
on terminal 27 or 29 and
on relay output 01 or 02.
Function:
[ par. 4-56 - Enter the upper feedback
999999.999 limit. When the feedback
ReferenceFeed- exceeds this limit, the
backUnit] display reads Feedb
The signal outputs can
be programmed to
produce a status signal
on terminal 27 or 29 and
on relay output 01 or 02.
Function:
NOTICE
This parameter cannot be adjusted
while the motor is running.
Displays an alarm in the event of a missing
motor phase.
No alarm is displayed if a missing motor phase
occurs.
Danfoss A/S © Rev. 2014-01-21 All rights reserved.
Programming Guide
4-58 Missing Motor Phase Function
Option:
[1] Trip 100 ms
[2] Trip 1000 ms
. The signal
[5] Motor Check
3.6.3 4-6* Speed Bypass
Some systems call for avoiding certain output frequencies
or speeds, due to resonance problems in the system. A
maximum of 4 frequency or speed ranges can be avoided.
4-60 Bypass Speed From [RPM]
Array [4]
Range:
Size related
4-61 Bypass Speed From [Hz]
Array [4]
Range:
Size related
.
Low
4-62 Bypass Speed To [RPM]
Array [4]
Range:
Size related
.
High
4-63 Bypass Speed To [Hz]
Array [4]
Range:
Size related
Function:
An alarm is displayed if a missing motor phase
occurs.
Function:
[ 0 - par. Some systems call for avoiding
*
4-13 RPM] certain output speeds due to
resonance problems in the system.
Enter the lower limits of the speeds
to be avoided.
Function:
[ 0 - par. Some systems call for avoiding
*
4-14 Hz] certain output speeds due to
resonance problems in the system.
Enter the lower limits of the speeds
to be avoided.
Function:
[ 0 - par. Some systems call for avoiding
*
4-13 RPM] certain output speeds due to
resonance problems in the system.
Enter the upper limits of the
speeds to be avoided.
Function:
[ 0 - par. Some systems call for avoiding
*
4-14 Hz] certain output speeds due to
resonance problems in the system.
Enter the upper limits of the speeds
to be avoided.
MG20O702