9300 Servo PLC
System blocks
2.12
MCTRL_MotorControl
2-57
L
ServoPLC EN 2.0
2.12.17.3
OC5 - I x t overload monitoring
No. Monitoring function
Display System variable
TRIP
Message Warning
Off
015 I x t overload
OC5
MCTRL_bIxtOverload_b
•
•
Default setting
ü
Setting possible
Overcurrent diagram for error message OC5
The following diagram shows the max. permissible overcurrent over time.
150
100
75
200
I
[%]
Motor
10
60
120
180
t [s]
44
Fig. 2-26
Overcurrent diagram
The max. permissible overcurrent depends on the set I
max
limit in C0022.
I
max
limit set under C0022
≤
150 % I
r
:
•
Within
180 s
the arithmetic mean of motor current must not exceed
100 %
of the rated
controller current.
•
Example: Arithmetic mean
:
60 s
⋅
150 %
+
120 s
⋅
75 %
180 s
=
100 %
I
max
limit set under C0022 > 150 % I
r
:
•
Within
60 s
the arithmetic mean of motor current must not exceed
70 %
of the rated controller
current.
•
Example: Arithmetic mean
:
10 s
⋅
200 %
+
50 s
⋅
44 %
60 s
=
70 %
The current controller load is displayed under C0064:
Code
LCD
Possible settings
IMPORTANT
o
Lenze
Selection
C0064 Utilization
g
Controller load I x t during the last
180 Sekunden
•
C0064 >100 % releases Trip OC5
•
Trip reset is possible only if C0064
< 95 %
0
{1 %}
150
efesotomasyon.com - Lenze
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