Emerson MP25A4R User Manual

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104 Mentor MP User Guide
www.controltechniques.com Issue: 3
11.4 Menu 4: Torque and current control
MOTOR1_CURRENT_LIMIT_MAX is used as the maximum for some parameters such as the user current limits. The current maximum current limit
is defined as follows (with a maximum of 1000%):
Where:
Motor rated current is given by Pr 5.07 (SE07, 0.28)
(MOTOR2_CURRENT_LIMIT_MAX is calculated from the motor map 2 parameters). The maximum current is 1.5 x drive rating.
Figure 11-4 Menu 4 logic diagram
CURRENT_LIMIT_MAX
Maximum current
Motor rated current
-------------------------------------------------------
100%×=
3.04
4.08
4.09
5.07
4.05
Motoring
Regenerating
Current limits
Symmetrical
Motor rated
current
Speed loop
output
Torque reference
offset
Torque
reference
Speed
over-ride
level
Coiler/uncoiler
speed over-
ride level
+
4.01
Torque mode
selector*
4.11
4.10
Torque
reference
offset
enable
+
+
+
4.03
To rq ue
demand
4.24
User current
max scaling
+
4.22
2.38
Inertia
compensation
enable
+
Inertia
compensation
torque
Menu 5
Quandrant
select
Current
measurement
4.02
4.20
Percentage
load
Filtered current
magnitude
Current
magnitude
4.15
Thermal
time
constant
Thermal
protection
mode
Overload detection
4.27
1 threshold
2 threshold
Current taper
1 end point
2 end point
4.31
4.32
Threshold 1
exceeded
Threshold 2
exceeded

Emerson MP25A4R Specifications

General

Brand	Emerson
Model	MP25A4R
Category	DC Drives
Language	English