ABB REL 551-C1*2.5 - Self Supervision with Internal Event Recorder (INT); Application; Function Block

40
Self supervision with internal event recorder
(INT)
Chapter 3
Common functions
5 Self supervision with internal event recorder (INT)
5.1 Application
Use the local HMI, SMS or SCS to view the status of the self-supervision function. The self-su-
pervision operates continuously and includes:
• Normal micro-processor watchdog function
• Checking of digitized measuring signals
• Checksum verification of PROM contents and all types of signal communication
5.2 Function block
xx00000169.vsd
INT--
INTERNSIGNALS
FAIL
WARNING
CPUFAIL
CPUWARN
ADC
SETCHGD