Figure 6: Overload Characteristic - KEB COMBIVERT F6 Programming Manual

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Protection functions

The following diagram shows the switch-off time for an inverter with overload char-

acteristics depending on the constant load:

OL- trigger time:

actual current:

inverter rated current:

Figure 6: Overload characteristic

The overload characteristic valid for the respective inverter can be found in the in-

stallation manual for the power unit.

The drive switches off automatically on reaching the overload limit

The error reaction can be programmed as described above via the object

E.OL stop mode

On reaching this "OL-Counter" value bit 0 is set in the warning state and with ap-

propriate adjustment of the warning mask also bit 7 is set in the status word.

The error or warning can be reset when the OL counter has reached the value of *

pn03 OL warning level /

OL-tripping time at constant load

Motor current

Inverter rated current

. A warning level can be programmed additionally.

(ru29 OL coun-

Combivert s6