4.9.2 Function block
GUID-A842A2C8-0188-4E01-8490-D00F7D1D8719 V2 EN
Figure 279: Function block
4.9.3 Functionality
The multipurpose protection function MAPGAPC is used as a general protection
with many possible application areas as it has flexible measuring and setting
facilities. The function can be used as an under- or overprotection with a settable
absolute hysteresis limit. The function operates with the definite time (DT)
characteristics.
The function contains a blocking functionality. It is possible to block function
outputs, the definite timer or the function itself, if desired.
4.9.4 Operation principle
The function can be enabled and disabled with the Operation setting. The
corresponding parameter values are "On" and "Off".
The operation of the multipurpose protection function can be described using a
module diagram. All the modules in the diagram are explained in the next sections.
AI_VALUE OPERATE
Level
detector
Blocking
logic
BLOCK
START
Timer
ENA_ADD
t
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Figure 280: Functional module diagram
Level detector
The level detector compares AI_VALUE to the Start value setting. The Operation
mode setting defines the direction of the level detector.
1YHT530004D05 D Section 4
Protection functions
615 series 533
Technical Manual
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