SBC PCD1 Series User Manual

Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
CPUs and expansion housings
3-32
PCD2.M1x0/M480 operating states
3
3.11 PCD2.M1x0/M480 operating states
TheCPUcanassumethefollowingoperatingstates:START,RUN,CONDITIONAL
RUN,STOP,HALTandRESET
Thedisplayuses3LEDs: RUN   LEDyellow
    HALT   LEDred
    ERROR  LEDyellow
START RUN COND. RUN STOP HALT RESET
RUN
●/○ ● ●/○ ○ ○ ●
HALT
●/○ ○ ○ ○ ● ●
ERROR
●/○
1) 1) 1) 1)
●
1)
 AnERRORmaybesignalledbytheLEDinoperatingstatesRUN,CONDITIONALRUN,STOPorHALT.Inthe
eventofanerror,theLEDonlylightsupifthereisnoXOB13programmedtodealwiththiserror.
● LEDon
●/○LEDashing
○ LEDoff
START Self-diagnosis for approx. 1s after switching on or after a Restart
RUN NormalprocessingoftheuserprogramafterSTART.Whereaprogramming
deviceisconnectedviaaPCD8.K11xinPGUmode(e.g.PG5inPGU
mode), the CPU automatically goes into the STOP state and not the RUN
state; this is for safety reasons
COND. RUN Conditional RUN state. A condition has been set in the debugger (RUN
until...), which has not yet been met
STOP The STOP state occurs in the following cases:
•ProgrammingdeviceinPGUmodeconnectedwhentheCPUwas
switched on
•PGUstoppedbyprogrammingdevice
• Condition for a COND.RUN has been met
HALT TheHALTstateoccursinthefollowingcases:
•HALTinstructionprocessed
• Serious error in user program
•Hardwarefault
• No program loaded
•NocommunicationmoduleonaS-BusPGUorGatewayMasterport
RESET The RESET state has the following causes:
• Supply voltage too low
• Firmware not starting up

SBC PCD1 Series Specifications

General

Brand	SBC
Model	PCD1 Series
Category	Controller
Language	English