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The Keypad and Display Interface
Parameter
3
Overload select
Overload pending
Overload
Overload timeout
Speed Derate Curve
Motor trip volts
Maximum Load
Inertia
Overspeed
3-24
Table 3-8: Limits Menu (1120)
ID
Units
Default
1130
Constant
1139
%
100.0
1140
%
120.0
1150
sec
60.0
1151
Submenu
1160
V
4800
2
1159
0.0
Kgm
1170
%
120.0
s s s s
Perfect Harmony GENIII/e User's Manual
Min
Max
Selects the type of motor thermal over-
load protection from:
Constant (fixed current-based): Use
when only current limit based alarm is
required.
Straight Inverse Time (motor model
used to estimate temperature)
: Motor model assumes the allowable
motor load to be 100% for the entire
speed range.
Inverse Time with thresholds (motor
model used to estimate temperature)
Motor model uses allowable load data
from the speed derate curve.
Sets the overload level (in % of rated)
at which an alarm is generated. The
pending level corresponds to a current
10.0
210.0
level with Constant method and to a
motor temperature level with the other
two TOL methods.
Sets the overload level (in % of rated)
at which an alarm is generated. The
pending level corresponds to a current
20.0
210.0
level with Constant method and to a
motor temperature level with the other
two TOL methods.
When output of the TOL model
0.01
300.0
exceeds the overload level for the tim-
eout period, a fault is generated.
This menu sets allowable motor load
as a function of speed. See Table 3-9.
5
20,000
Sets the motor over-voltage trip point.
Sets the maximum load inertia that the
motor can line start without exceeding
maximum temperature. Set this param-
0.0
500000.0
eter only if the motor does not con-
form to NEMA MG-1, Part 20, Table
20-1.
Sets the motor overspeed trip level as a
0.0
250.0
percentage of rated speed.
Description
A1A19000405A: Version 1.3
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