Honeywell SmartVFD HVAC MR4 User Manual page 120

HVAC A
PPLICATION
3.5.9 Group 3.7: Prohibit Frequencies
In some systems it may be necessary to avoid certain frequencies due to mechanical reso-
nance problems. By setting up prohibit frequencies it is possible to skip these ranges.
Code Parameter
Prohibit frequency
M3.7.1
range 1 low limit
Prohibit frequency
M3.7.2
range 1 high limit
Prohibit frequency
M3.7.3
range 2 low limit
Prohibit frequency
M3.7.4
range 2 high limit
Prohibit frequency
M3.7.5
range 3 low limit
Prohibit frequency
M3.7.6
range 3 high limit
M3.7.7 Ramp time factor
Resonance sweep
M3.7.8
acc/dec time
Min Max Unit
-1,00 320,00 Hz
0,00 320,00 Hz
0,00 320,00 Hz
0,00 320,00 Hz
0,00 320,00 Hz
0,00 320,00 Hz
0,1 10,0 Times
0.1 3000.0 s
Table 34. Prohibit frequencies
Default ID
0,00 509 0 = Not used
0,00 510 0 = Not used
0,00 511 0 = Not used
0,00 512 0 = Not used
0,00 513 0 = Not used
0,00 514 0 = Not used
Multiplier of the currently
1,0 518 selected ramp time between
prohibit frequency limits.
Acceleration and decelera-
20.0 1812 tion times to be used during
resonance sweep.
Honeywell
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Description