KEB COMBIVERT F6 Programming Manual

Protection functions
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4.4.2.2 Diagnosis
Different current limits are displayed in ud30 OL2 current limits:
Sub-
Idx
Name
Function
1
Icont offset
Value of the temperature-dependent OL2 increase
2
Icont derating
Current at which derating to a lower switching fre-
quency is set
3
Icont act switching freq
OL2 limit at the current switching frequency
4
Imax OL2
OL2 limit at the lowest switching frequency
5
Imax control
OL2 limit for current setpoints in the control
There are 3 diagnostic counters to see how long the individual current limits have
been exceeded.
Resolution 0.2 seconds / update every 4…6.5 seconds.
ud31[1] basic current => display how long the standard OL2 value has been ex-
ceeded.
The following counters are only active if the temperature-dependent OL2 increase
in is17 is activated.
If mode "1 moderate“ is activated, ud31[2] counts, if mode "2 maximum“ is acti-
vated, ud31[3] counts.
ud31[2] moderate increase => display how long the moderately increased OL2
value has been exceeded
ud31[3] maximum increase => display how long the maximum increase OL2 value
has been exceeded
4.4.2.3 OL2 - Warning
A warning level can be programmed additionally. On reaching this OL2-Counter
value bit 1 is set in ru02 warning bits and with appropriate adjustment of the warn-
ing mask also bit 7 is set in the status wort.
The error and the warning can be reset, if the value of the OL2 counters is less
than 80% of the warning level.

KEB COMBIVERT F6 Specifications

General

Brand	KEB
Model	COMBIVERT F6
Category	Controller
Language	English