Warning Reference Low; Warning Reference High; Warning Feedback Low; Warning Feedback High - Danfoss VLT Programming Manual

®
VLT HVAC Drive Programming Guide

4-54 Warning Reference Low

Range:
-999999.99 [Application dependant]
9 N/A*

4-55 Warning Reference High

Range:
999999.999 [Application dependant]
N/A*

4-56 Warning Feedback Low

Range:
-999999.99 [Application dependant]
9 Proc-
essCtrlU-
nit*

4-57 Warning Feedback High

Range:
999999.999 [Application dependant]
ProcessCtr-
lUnit*
4-58 Missing Motor Phase Function
Option:
[0] Disabled
[2] * Trip 1000 ms
NB!
This parameter cannot be adjusted while the motor is running.
3.6.4 4-6* Speed Bypass
Define the Speed Bypass areas for the ramps.
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:
Application [Application dependant]
dependent*
Function:
Enter the lower reference limit. When the actual reference falls below this limit, the display indicates
Ref Low. The signal outputs can be programmed to produce a status signal on terminal 27 or 29
and on relay output 01 or 02.
Function:
Enter the upper reference limit. When the actual reference exceeds this limit, the display reads Ref
High. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and
on relay output 01 or 02.
Function:
Enter the lower feedback limit. When the feedback falls below this limit, the display reads Feedb
Low. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and
on relay output 01 or 02.
Function:
Enter the upper feedback limit. When the feedback exceeds this limit, the display reads Feedb High.
The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay
output 01 or 02.
Function:
Displays an alarm in the event of a missing motor phase.
No alarm is displayed if a missing motor phase occurs.
Function:
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.
MG.11.C9.02 - VLT ® is a registered Danfoss trademark
3 Parameter Description
3
75