User manual 09/2009 - Schneider Electric

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User manual 09/2009 - Schneider Electric

Using Micrologic Trip UnitsExample of Verification of a Protection Parameter Setting ValueThe table below illustrates as an example the verification of the setting value for the short time protectionIsd pick-up on a Micrologic 5.2 trip unit currently being set:Step Action Using Display1 The display is in Setting mode on the —Isd parameter:• The pictogram is displayed.• The Isd pick-up setting isexpressed in multiples of Ir.2 Lock the setting:• The display switches to Settingreadout mode on the Isdparameter (the pictogram isdisplayed).• The Isd pick-up setting isexpressed as a value (715 A inthe example).3 Unlock the setting:• The display reverts to Settingmode on the Isd parameter.• The pictogram is displayed.LV434104 09/2009 27

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