Parameter Setting - Lenze EVS9321 Montageanleitung

2 Safety instructions
Thermal motor monitoring

Parameter setting

2.2.2 Parameter setting
Parameter setting
Code
C0066
C0120
C0127
C0128
C0606
Calculate release time
t + * (C0128) @ ln 1 *
The thermal capacity of the motor is expressed by the thermal motor time factor
ƒ
(C0128). Please see the rated data of the motor for the value or ask the
manufacturer of the motor.
Read the release time off the diagram
Diagram for the determination of the release times of a motor with a thermal motor time
factor of 5 min:
I t [%] I
2
mot
120
100
50
0
0 100
Fig. 2−1
118
Meaning
2
Display of the I xt utilisation of the motor
Threshold: Triggering of an "OC6" error
Threshold: Triggering of an "OC8" error
Thermal time constant of the motor
Response to "OC8" error
y ) 1
2
I M
@ 100
I r
= 3 × I I = 2 × I I = 1.5 × I
r mot r mot r
200 300 400
2
I × t−monitoring: Release times for different motor currents and trigger thresholds
Imot Motor current
I Rated motor current
r
2 2
I t I t load
T Time
l
Value range
0 ... 250 %
0 ... 120 %
0 ... 120 %
0.1 ... 50.0 min
Trip, warning, off
I Actual motor current
M
I Rated motor current
r
y C0120 or C0127
I = 1 × I
mot r
500 600 700 800
Lenze setting
−
0 %
0 %
5.0 min
Warning
t [s]
900
1000
9300std105
EDKVS9332X DE/EN/FR 4.0