Section 4 1MRK 500 124-UEN
Local HMI
82 Operation Manual
Distributed busbar protection REB500
Legend:
*1) Navigation via the right and left arrow keys on the LHMI (‘Value’ can
have entries in several columns)
*2) Trip signals column is fixed on left side of the trip list
*3) Value: information (number of columns) depends on the information
content of the trip signal
*4) Second OCDT TRIP is caused by the Bay Protection function (no value
entry available for this type of functions)
*5) Current value indications are generally instantaneous values
The red Protection indicator LED signals the trip state:
• Off: No pending trip in list
• On: Pending or latched trips in list
The protection system and all signals can be reset by choosing “Clear” / “Reset all
latched LEDs and Lists” on the LHMI, or equivalently by setting the signal
31810_External reset, e.g. generated by pressing the reset button.
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