!
!
/874>%(.(V73&J$#;(W63<63%(
)*+,--(
/874>%(
(
In!Alarm!Configuration,!there!are!up!to!3!alarms!selectable!as!Process!High,!Process!Low,!Rate!of!Signal!Change!
(per!minute),!Sensor/input!Break,!!
The!alarm!source!can!be!input!1!or!2!
!
Enter!the!value!(threshold)!at!which!the!alarm!should!occur,!an!adjustable!hysteresis!value!and!an!alarm!filter!time!
(this!is!the!minimum!duration!for!on!to!happen,!but!if!set!to!OFF!activation!is!immediate).!There!is!also!an!option!to!
inhibit!(mask)!an!alarm!at!power‐up.!
!
Colour!change!on!alarm!is!optional!(set!in!Display!Configuration)!
!
W63<63%(
(
Only!relays!can!be!used!as!alarm!outputs.!In!Output!Configuration,!select!a!relay!output!to!use,!then!select!Alarm!
1,!2!or!3!(direct!or!reverse!acting).!Alternatively,!select!Boolean!logical!output!of!alarms!1!W+!2,!or!alarms!1,!2!W+!3!
(these!also!can!be!direct!or!reverse!acting).!Reverse!action!with!OR!would!equate!to!Boolean!_W+.!
Each!output!can!be!selected!to!latch!or!not!independently.!
!
)%7;9(
(
If!the!alarm!threshold!is!exceeded!for!longer!than!the!filer!time!(assuming!no!power‐up!inhibit),!the!alarm!
activates,!and!relay!changes!state.!
!
NOTE:!from!normal!main!operator!screen,!pressing!the!BACK!key!shows!the!Alarm!Status!Screen,!and!another!
press!will!show!the!Clear!Latched!Outputs!screen!(if!any!are!latched).!
!
When!alarm!threshold!is!no‐longer!exceeded,!the!alarm!turns!off!and!a!non‐latching!relay!output!would!also!
change!back.!However,!if!the!relay!output!was!set!for!latching!it!would!not!change!back.!
At!the!Clear!Latched!Outputs!screen,!use!FORWARD!or!BACK!keys!to!select!the!latched!outputs,!then!press!the!UP!
or!DOWN!key!to!unlatch!it.!NOTE:!The!output!can!only!be!unlatched!if!the!associated!alarm!is!no‐longer!active.!
!
/01,,-(
(
As!UPR900!except!additional!alarm!types!are!possible:!
PV‐SP!Deviation,!Band,!Control!Loop,!Percentage!memory!used,!High!and!Low!power.!
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