ABB COMMANDER 351 - Processor Watchdog; Loop Break Monitor

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…1 DISPLAYS AND FUNCTION KEYS
1.6 Processor Watchdog
The instrument's processor activity is monitored by an independent watchdog device. When the
output of the watchdog is assigned to a relay or digital output, the relay/digital output de-energizes
if the instrument fails to function correctly.
1.7 Loop Break Monitor
Analog output 1 is monitored continuously to detect a loop break. A warning signal or other action can
be initiated by assigning the loop break signal to relays or digital outputs.
1.8 Glossary of Abbreviations
Table 1.1 Glossary of Abbreviations
noitaiverbbAnoitpircseDnoitaiverbbAnoitpircseD
VPelbairaVssecorP1P/I1tupnIgolanA
tPSLeulaVtnioPteSlacoL2P/I2tupnIgolanA
1PSLeulaV1tnioPteSlacoL3P/I3tupnIgolanA
2PSLeulaV2tnioPteSlacoL1id1tupnIlatigiD
3PSLeulaV3tnioPteSlacoL2id2tupnIlatigiD
4PSLeulaV4tnioPteSlacoL3id3tupnIlatigiD
tPSCeulaVtnioPteSlortnoC4id4tupnIlatigiD
tPSReulaVtnioPteSetomeR1oa1tuptuOgolanA
P/ODIPmhtiroglADIPehtfotuptuO2oa2tuptuOgolanA
1PO)taeh(1tuptuOrellortnoC1od1tuptuOlatigiD
2PO)looc(2tuptuOrellortnoC