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76 Unidrive M100 User Guide
Issue Number: 1
VM_POWER Range applied to parameters that either set or display power
Units kW
Range of [MIN] -999.99 to 0.00
Range of [MAX] 0.00 to 999.99
Definition
VM_POWER[MAX] is rating dependent and is chosen to allow for the maximum power that can be output by the drive
with maximum a.c. output voltage, at maximum controlled current and unity power factor.
VM_POWER[MAX] = √3 x VM_AC_VOLTAGE[MAX] x VM_DRIVE_CURRENT[MAX] / 1000
VM_POWER[MIN] = -VM_POWER[MAX]
VM_RATED_CURRENT Range applied to rated current parameters
Units A
Range of [MIN] 0.00
Range of [MAX] 0.00 to 9999.99
Definition
VM_RATED_CURRENT [MAX] = Maximum Rated Current (11.060) and is dependent on the drive rating.
VM_RATED_CURRENT [MIN] = 0.00
VM_FREQ Range applied to parameters showing frequency
Units Hz
Range of [MIN] -550.00 to 0.00
Range of [MAX] 0.00 to 550.00
Definition
This variable minimum/maximum defines the range of frequency monitoring parameters. To allow headroom for
overshoot the range is set to twice the range of the frequency references.
VM_FREQ[MAX] = 2 x VM_SPEED_FREQ_REF[MAX]
VM_FREQ[MIN] = 2 x VM_SPEED_FREQ_REF[MIN]
VM_SPEED_FREQ_REF Range applied to the frequency or speed reference parameters
Units Hz
Range of [MIN] -550.00 to 0.00
Range of [MAX] 0.00 to 550.00
Definition
If Pr 01.008 = 0: VM_SPEED_FREQ_REF[MAX] = Pr 01.006
If Pr 01.008 = 1: VM_SPEED_FREQ_REF[MAX] = Pr 01.006 or |Pr 01.007|, whichever is larger.
VM_SPEED_FREQ_REF[MIN] = -VM_SPEED_FREQ_REF[MAX].
VM_SPEED_FREQ_REF_UNIPOLAR Unipolar version of VM_SPEED_FREQ_REF
Units Hz
Range of [MIN] 0.00
Range of [MAX] 0.00 to 550.00
Definition
VM_SPEED_FREQ_REF_UNIPOLAR[MAX] = VM_SPEED_FREQ_REF[MAX]
VM_SPEED_FREQ_REF_UNIPOLAR[MIN] = 0.00
VM_SPEED_FREQ_USER_REFS Range applied to some Menu 1 reference parameters
Units Hz
Range of [MIN] -550.00 to 0.00
Range of [MAX] 0.00 to 550.00
Definition
VM_SPEED_FREQ_USER_REFS[MAX] = VM_SPEED_FREQ_REF[MAX]
Negative Reference
Clamp Enable (01.008)
Bipolar Reference
Enable (01.010)
VM_SPEED_FREQ_USER_REFS [MIN]
00Pr 01.007
0 1 -VM_SPEED_FREQ_REF[MAX]
100.00
1 1 -VM_SPEED_FREQ_REF[MAX]