Emerson Unidrive M702 User Manual page 141

Safety Product Mechanical
information information installation
VM_LOW_UNDER_VOLTS
Units V
Range of [MIN] 24
Range of [MAX] 24 to 1150
If Back-up Mode Enable (06.068) = 0:
VM_LOW_UNDER_VOLTS[MAX] = VM_STD_UNDER_VOLTS[MIN]
If Back-up Mode Enable (06.068) = 1:
Definition
VM_LOW_UNDER_VOLTS[MAX] = VM_STD_UNDER_VOLTS[MIN] / 1.1.
VM_LOW_UNDER_VOLTS[MIN] = 24.
VM_MOTOR1_CURRENT_LIMIT
VM_MOTOR2_CURRENT_LIMIT
Units %
Range of [MIN] 0.0
Range of [MAX] 0.0 to 1000.0
VM_MOTOR1_CURRENT_LIMIT[MIN] = 0.0
Open-loop
VM_MOTOR1_CURRENT_LIMIT[MAX] = (I
Where:
RFC-A
VM_MOTOR1_CURRENT_LIMIT[MAX] = (I
Where:
Definition
RFC-S and Regen
VM_MOTOR1_CURRENT_LIMIT[MAX] = (I
Where:
For VM_MOTOR2_CURRENT_LIMIT[MAX] use Pr 21.007 instead of Pr 05.007 and Pr 21.010 instead of Pr 05.010.
Unidrive M702 User Guide
Issue Number: 3
Electrical Getting Basic
installation started parameters the motor
Range applied the low under-voltage threshold
Range applied to current limit parameters
-1
I = I x cos(sin (I
Tlimit MaxRef Mrated
= Pr 05.007 sin φ
I
Mrated
= Pr 05.007 x cos φ
I
Trated
cos φ = Pr 05.010
I is 0.7 x Pr 11.061 when the motor rated current set in Pr 05.007 is less than or equal to Pr 11.032 (i.e.
MaxRef
Heavy duty), otherwise it is the lower of 0.7 x Pr 11.061 or 1.1 x Pr 11.060 (i.e. Normal duty).
-1
I = I x cos(sin (I
Tlimit MaxRef Mrated
= Pr 05.007 x cos φ
I
Mrated 1
ITrated = Pr 05.007 x sin φ
1
φ = cos-1 (Pr 05.010) + φ . φ
1 2 1
in the Parameter Reference Guide for more information regarding φ
I is 0.9 x Pr 11.061 when the motor rated current set in Pr 05.007 is less than or equal to Pr 11.032 (i.e.
MaxRef
Heavy duty), otherwise it is the lower of 0.9 x Pr 11.061 or 1.1 x Pr 11.060 (i.e. Normal duty).
I is 0.9 x Pr 11.061 when the motor rated current set in Pr 05.007 is less than or equal to Pr 11.032 (i.e.
MaxRef
Heavy duty), otherwise it is the lower of 0.9 x Pr 11.061 or 1.1 x Pr 11.060 (i.e. Normal duty).
Running NV Media Card
Optimization
Operation
/ I ) x 100 %
Tlimit Trated
/ I ))
MaxRef
/ I ) x 100 %
Tlimit Trated
/ I ))
MaxRef
is calculated during an autotune. See the variable minimum / maximum calculations
/ Pr 05.007) x 100 %
MaxRef
Onboard Advanced Technical
Diagnostics
PLC parameters data
.
2
UL listing
information
141