Lenze EVS 9300 series, System Manual

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Function library
Monitorings
9.3.3 Monitoring functions
9-233
L
EDSVS9332S-D11 EN 3.0
9.3.3.11 Monitoring for earth fault OC2
Purpose
Controller protection
MONIT
MONIT--OC2
I
motor
const
Fig. 9-179 Monitoring for earth fault OC2
Signal Source Note
Name Type DIS DIS format CFG List Lenze
I
MOTOR
- - - - - - -
MONIT-OC2 d - - - - - -
Function
The controllers of the 93XX series are equipped with an earth fault detection as a standard.
When the monitoring reacts, the controller must be disconnected from the mains and the earth fault
must be eliminated.
Features:
z LECOM no.: 12
z Reaction: TRIP (cannot be modified)
Possible earth fault causes:
z Short-circuit to frame of the machine
z Short-circuit of a phase to the shield
z Short-circuit of a phase to PE