Failure Scheme - ABB EAN823 Instructions Manual

14.3 Failure scheme

positioning loop
monitoring
- standstill
- min. speed
- movem. to wrong direct.
monitoring
ON
&
failure message
via act. value ON
&
analogue output
1 ... 3.5 mA at „low alarm"
21.5 ... 25 mA at „high alarm"
Fig. 27:
26
hardware monitoring
frequency converter
end position
Failure Signal
software monitoring
position sensor memory error
flash error
RAM error
watchdog monitoring activated
saved failures
(reset option)