Danfoss VLT AutomationDrive FC 300 Series Programming Manual page 71

Parameter Descriptions
4-57 Warning Feedback High
Range:
999999.999
ReferenceFeed-
backUnit
*
3 3
4-58 Missing Motor Phase Function
Displays alarm 30, 31 or 32 in the event of a missing motor
phase. It is strongly recommended to enable to avoid motor
damage.
Option:
[0]
[1]
[2]
[3]
NOTE
This parameter cannot be adjusted while the motor is
running.
3.6.4 4-6* Speed Bypass
Some systems call for avoiding certain output frequencies
or speeds, due to resonance problems in the system. A
maximum of four frequency or speed ranges can be
avoided.
4-60 Bypass Speed From [RPM]
Array [4]
Range:
Size related
*
RPM]
4-61 Bypass Speed From [Hz]
Array [4]
Range:
Size related
*
4-14 Hz]
70
Function:
[ par. 4-56 - Enter the upper
999999.999 feedback limit. When the
ReferenceFeed- feedback exceeds this
backUnit] limit, the display reads
Feedb High. The signal
outputs can be
programmed to produce
a status signal on
terminal 27 or 29 (FC
302 only) and on relay
output 01 or 02 (FC 302
only).
Function:
Disabled No alarm is displayed if
a missing motor phase
occurs.
Trip 100 ms
Trip 1000 ms
Trip 100ms 3ph detec.
Function:
[ 0 - par. 4-13 Some systems call for avoiding
certain output speeds due to
resonance problems in the system.
Enter the lower limits of the
speeds to be avoided.
Function:
[0.0 - par. Some systems call for avoiding
certain output speeds due to
resonance problems in the system.
Enter the lower limits of the speeds
to be avoided.
MG33ME02 - VLT
®
VLT AutomationDrive Programmming Guide
4-62 Bypass Speed To [RPM]
Array [4]
Range:
Size related
4-63 Bypass Speed To [Hz]
Array [4]
Range:
Size related
®
is a registered Danfoss trademark
Function:
[ 0 - par. 4-13 Some systems call for avoiding
*
RPM] certain output speeds due to
resonance problems in the system.
Enter the upper limits of the
speeds to be avoided.
Function:
[ 0.0 - 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.