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ManualsBrandsSiemens ManualsBuilding automationMounting and Installations Handbook Building Process Station, BPS P-Bus, I/O Module System
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Siemens Building Technologies VISONIK DCS Functions and System Messages VVS18 CM2U8567E / 04.1999
Landis & Staefa Division System Messages --- DCS Messages 3-27
Change of Port A: x---> y
STAP TYP 00:00:00 NAME
Change of Port A: x---> y
->MSGDEV (M.RPOA)
The status of SDLC Ring Controller's port A has changed. This is normal during the
phase of connecting an EKL process station to the ring after a system start or, more
generally, after initialising a ring.
The message appears only in severe diagnostics mode ($S,TRBI=200).
None. However, should the message appear frequently, then the ring must be checked.
Explanation
Action