User Manual

Page 20
ENS2
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EA Elektro-Automatik GmbH
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Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
3.3 The status row
Following statuses can be displayed in the status row of the main screen:
LOCKED
While any parameter is currently changed, the ENS2 module is prevented from switching the contactors on. Then
the power generation device is cut from the grid.
START
Displayed during the start-up phase of the supervision circuit after powering it. This take about a minute. The
contactorsareswitchedo󰀨(break)duringthisperiod.
R12 ON, wait for K1
Mains is OK, the process of switching on is initiated. The contact between R1 (see wiring scheme) and R2 is closed,
so contactor 1 is switched on, and the process is waiting for the voltage on feedback contact K1 to reach 75% of
phase L1. If no feedback contact is used (installation type 1), then connector K1 is usually tied to connector R2
(see 2.2.2.1) and this message only appears for a very short time or not at all.
R34 ON, wait for K2
Mains is OK, the process of switching on is initiated. The contact between R3 (see wiring scheme) and R4 is closed,
so contactor 2 is switched on, and the process is waiting for the voltage on feedback contact K2 to reach 75% of
phase L1. If no feedback contact is used (installation type 1), then connector K2 is usually tied to connector R4
(see 2.2.2.1) and this message only appears for a very short time or not at all.
ON
Mains is OK, both contactors are switched on.
ERR
Anerrorhasoccurred,bothcontactorsareswitchedo󰀨.
W
Usually, after a certain time after an error occurred, the mains will be OK again. But it is required that the mains
stays OK for another while before the supervision circuit can switch the contactors on again. The process of wait-
ingismarkedasstatus“W”.Nexttoit,thestatusshowstheremainingwaittimeinseconds.
Iftherewasanerror(“ERR”)orthesystemiswaitingafteranerroroccurred(“W”),additionalinformationisdis-
played. See below in 3.3.1.
3.3.1 Hardware errors
3.3.1.1 Parameter errors
One or multiple parameters with erroneous values have been set up. This error should not occur in normal opera-
tion, but can probably solved by the user on location. Please contact the manufacturer for support in this case.