Teledyne 9060Z 9.2SELECTABLEPROCESSALARMS

Model9060ZManual
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47
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19.‘Gas1CalibrationError’
20.‘Gas2CalibrationError’
Attheendofanautomaticgascalibrationcheckcycletheoxygenreadingwasoutsidethevaluesset
intheCOMMISSIONINGmenu#26to28(#35to37).Thisalarmwillnotresetuntilthenextcalibration
checkcycle.Thecyclecanbeinitiatedmanuallyorautomatically.
21.‘BBRAMFail’
Allofthesetupoptionsareheldinthebatterybackedmemory(BBRAM).Thisisthebatteryshaped
deviceatthebottomcentreofthe1732‐1PCBlabeledMEM1.Thisalarmwilloccurwhenthisdevice
failsandwillneedtobereplaced.
9.2SELECTABLEPROCESSALARMS
Thealarmrelays1,2and3aregenerallyusedtotransmitagasrelatedalarmevent.Anyorallofthe
followingfunctionscanbeselectedforeachrelay.
ThetriplevelsandthedelaytimesaresetisintheCOMMISSIONINGmenu.
NOTE:TheprocessalarmswillonlybeactivatediftheyareenabledintheSETUPfunction6.See
chapter6.3.5.
21.‘Oxygen1VeryLow’
22.‘Oxygen2VeryLow’
Themeasuredoxygenlevelontheindicatedprobehasbeenbelowthetriplevelshownin
COMMISSIONINGmenufunction#38forlongerthanthedelaytimeshowninfunction#39.
23.‘Oxygen1Low’
24.‘Oxygen2Low’
Themeasuredoxygenlevelontheindicatedprobehasbeenbelowthetriplevelshownin
COMMISSIONINGmenufunction#40forlongerthanthedelaytimeshowninfunction#41.
25.‘Oxygen1High’
26.‘Oxygen2High’
Themeasuredoxygenlevelontheindicatedprobehasbeenabovethetriplevelshownin
COMMISSIONINGmenufunction#42forlongerthanthedelaytimeshowninfunction#43.
27.‘OxygenDeviation’
Thedifferencebetweentheoxygenlevelmeasuredonprobe#1andtheoxygenlevelmeasuredon
probe#2isgreaterthanthetriplevelshowninCOMMISSIONINGmenufunction#44forlongerthan
thedelaytimeshowninfunction#45.
28.‘Probe1TemperatureLow’
29.‘Probe2TemperatureLow’
Theprobetemperatureisunder650°C(1200°F).Theoxygenreadingisthereforeinvalid.Iftheprobe
heaterhasbeenonformorethan20minutesandthetemperatureislessthan650°C(1200°F)a
‘Probe#HeaterFail’alarmwilloccur.
NOTE:The‘Probe#TemperatureLow’relayfunctionisusedwithunheatedprobestoindicateoxygen
readingisinvalid(theprobeisbelow650°C(1200°F)),incasetheprocesstemperaturefallsbelowthis