Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) Manual de usuario Pagina 81

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9300 Servo PLC
System blocks
2.12 MCTRL_MotorControl (node number 131)
2−67
L
9300 Servo PLC EN 5.0
2.12.17.3 OC5 − I x t overload monitoring
Error
Monitoring function System variable
Possible responses
No. Display TRIP Message Warning FAIL−QSP Off
x015 OC5 I x t overload MCTRL_bIxtOverload_b
Lenze setting
Setting possible
Overcurrent diagram for OC5 fault message
The following diagram shows the maximum permissible overcurrent as a function of time:
150
100
75
200
I [%]
Motor
10 60 120 180
t [s]
44
Fig. 2−27 Overcurrent diagram
The maximum permissible overcurrent is dependent on the I
max
limit set under C0022. (^ 2−60)
I
max
limit sender under C0022 150 % I
N
:
Within a period of 180 s, the arithmetic mean value of the motor current may not exceed 100
% of the rated device current.
Example: Arithmetic mean value to curve :
60 s @ 150 % ) 120 s @ 75 %
180 s
+ 100 %
I
max
limit set under C0022 > 150 % I
r
:
Within a period of 60 s, the arithmetic mean value of the motor current may not exceed 70 %
of the rated device current.
Example: Arithmetic mean value to curve :
10 s @ 200 % ) 50 s @ 44 %
60 s
+ 70 %
The current controller load is displayed in C0064:
Code LCD
Possible settings
IMPORTANT
Lenze Selection
C0064 Utilization
g
Controller load I x t during the last
180 seconds
C0064 >100 % trips OC5.
TRIP−RESET is only possible if
C0064 < 95 %.
0 {1 %} 150
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