Lenze ECSES Series - Page 209

Monitoring functions
Configuring monitoring functions
Current load of controller (I x t monitoring: OC5, OC7)
9

209
EDBCSXS064 EN 4.0
The maximum admissible overcurrent is dependent on the I
max
limit set in C0022.
 I
max
limit set in C0022 £ 150 % I
r
:
ƒ For 180 s, the arithmetic mean value of the motor current must not exceed 100 % of
the rated device current.
ƒ Example: Arithmetic mean for characteristic :
60 s @ 150 % ) 120 s @ 75 %
180 s
+ 100 %
 I
max
limit set in C0022 > 150 % I
r
:
ƒ For 60 s, the arithmetic mean value of the motor current must not exceed 70 % of
the rated device current.
ƒ Example: Arithmetic mean for characteristic :
10 s @ 200 % ) 50 s @ 44 %
60 s
+ 70 %
The current device utilisation is displayed in C0064:
Code Possible settings IMPORTANT
No. Designation Lenze/
{Appl.}
Selection
C0064 Utilization
Device utilisation (I x t) over the
last 180 s
Only display
0 {1 %} 150 l C0064 > 100 % activates
OC5−TRIP.
l TRIP−RESET only is possible if
C0064 < 95 %.