Unidrive M400 User Guide
91
Issue Number: 2
11.0.1 Parameter ranges and Variable minimum/maximums:
Some parameters in the drive have a variable range with a variable minimum and a variable maximum values which is dependent on one of the
following:
•
The settings of other parameters
•
The drive rating
•
The drive mode
•
Combination of any of the above
The tables below give the definition of variable minimum/maximum and the maximum range of these.
VM_AC_VOLTAGE
Range applied to parameters showing AC voltage
Units
V
Range of [MIN]
0
Range of [MAX]
0 to the value listed below
Definition
VM_AC_VOLTAGE[MAX] is drive voltage rating dependent. See Table 11-4
VM_AC_VOLTAGE[MIN] = 0
VM_AC_VOLTAGE_SET
Range applied to the AC voltage set-up parameters
Units
V
Range of [MIN]
0
Range of [MAX]
0 to the value listed below
Definition
VM_AC_VOLTAGE_SET[MAX] is drive voltage rating dependent. See Table 11-4
VM_AC_VOLTAGE_SET[MIN] = 0
VM_ACCEL_RATE
Maximum applied to the ramp rate parameters
Units
s / 100 Hz
Range of [MIN]
Open-loop: 0.0
RFC-A: 0.0
Range of [MAX]
Open-loop: 0.0 to 3200.0
RFC-A: 0.0 to 3200.0
Definition
If Ramp Rate Units (02.039) = 0:
VM_ACCEL_RATE[MAX] = 3200.0
If Ramp Rate Units (02.039) = 1:
VM_ACCEL_RATE[MAX] = 3200.0 x Pr
01.006
/ 100.00
VM_ACCEL_RATE[MIN] = 0.0
If the second motor map is selected (Pr
11.045
= 1) Pr
21.001
is used instead of Pr
01.006
VM_DC_VOLTAGE
Range applied to parameters showing DC voltage
Units
V
Range of [MIN]
0
Range of [MAX]
0 to the value listed below
Definition
VM_DC_VOLTAGE[MAX] is the full scale d.c. link voltage feedback (over voltage trip level) for the drive. This level is
drive voltage rating dependent. See Table 11-4
VM_DC_VOLTAGE[MIN] = 0
VM_DC_VOLTAGE_SET
Range applied to DC voltage reference parameters
Units
V
Range of [MIN]
0
Range of [MAX]
0 to the value listed below
Definition
VM_DC_VOLTAGE_SET[MAX] is drive voltage rating dependent. See Table 11-4
VM_DC_VOLTAGE_SET[MIN] = 0
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