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9 Forced switching emergency power supply
To safeguard against possible pow anomalies and guarantee higher vel f
re lia ility, some strial processes require that pow supplied fro gen set,
rather than fro the norm line, short periods tim e. Thus the 010 opens the ergency irc breaker
im ediately; this irc breaker ill not closed again til the LE
inpu becomes active once more.4.8 Resetfrom remote
A fro the reset push tto the fro the device, there also r
a rem ote reset.
I this inpu deactivated (opened) ile the emergency line breaker closed, the
ATS010 autom ation interprets this ilure meet required conditions r
gen set connection. hen the com and disabled, the reverse transfer itching procedure is
started return norm supply. This operation starts the complete procedure itchover emergency
line:
- Gen set started and aits til emergency pow available
- line ircu breaker opened
- ergency line irc breaker closed.
S itching emergency line only enabled this short-circuited.
The ergency line pow supply rem ains available long this com and is
active.
W under such conditions, the system not powered, even the gen set
is running.4.itching emergency lin not possible hen the nabled’ (red) on
the fro the device on.
3. This
inpu must short-circuited the entire tim ensure that the emergency line
breaker remains closed.
S itching can forced emergency line fro remote sim ply short-circuiting
this input. irin inpu ust carefully designed prevent an
undesired signal fro cutting pow the plant.
3.
ABB SACE SACE ATS010 RH0202002 L2467 /48
.
The device ust reset autom atic mode after any the llo events:
- trip alarm fro one the irc breakers
- circu breaker ithdraw n/rem oved signal
- circu breaker com and tim e-out
