Azbil DCP31 - Mode Transition Operations

5-19
Chapter 5. FUNCTIONS
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Mode transition operations
Thefollowingdescribesmodetransitionoperations:
Though“programend”isnotanoperation,itisdescribedbelowas
itisafactorinmodetransition.

RUN
ThisoperationinvolvesshiftingtotheRUNmodefromtheREADY,
HOLDorFASTmodes.ToshiftfromtheREADYmodetotheRUN
mode,theDCP31mustbeinthebasicdisplaystateeveninkey,
externalswitchinputorcommunicationoperations.

HOLD
ThisoperationinvolvesshiftingtotheHOLDmodefromtheRUN
orFASTmodes.
TheHOLDmodeisnotavailableintheconstant-valueoperation
mode.

RESET
ThisoperationinvolvesshiftingtotheREADYmodefromthe
RUN,HOLD,FASTorENDmodes.
Intheprogramoperationmode,thismodeincludesreturningtothe
No.1segment.

ADV
ThisoperationinvolvesadvancingonesegmentintheREADY,
RUN,HOLDorFASTmodes.
TheADVmodeisnotavailableintheconstant-valueoperation
mode.

FAST
ThisoperationinvolvesshiftingtotheFASTmodefromtheRUNor
HOLDmodes.
TheFASTmodeisnotavailableintheconstant-valueoperation
mode.

AUTO
ThisoperationinvolvesshiftingtotheAUTOmodefromthe
MANUALmode.