
NTTF/H-3000
Settingofthetemperature:PushthekeyX, theupper row displaysthevalueofSP and push orkeytomakethe
lower row displayitsneededvalue.Andpushthe keytopromotethesystemtotheSTsettingmode.
SettingofTiming: Theupper row displaysSTandpush orkeytomakethelower row displaytheneededvalue.
Againpushthe keytopromotethesystem returntoitsstandardmode.
Settingofthecontrol parameters:Pushthe keyabove4seconds,theupper row shows thepromptcodeofthe
parameter(detailcansee thescheduletableofthecontrol parameters)andthanpush orkeytomakethelower row
displayitsneededvalue. Continuepushthe keycanmaketheupper row displaythepromptcodeofeachofanother
parameterinturn. Againpush orKeytoupdatethevalueofparametertoitsneededvalue, andagainpush theX
keyabove4seconds,thesystemreturnsbacktoitsstandardmode. (If nokeyhaspusheddown,after 1minutethe
systemwill cometoitsstandardmode).
If under thereddisplaythe “ooo”isappeared,thethermocoupleisinreverseconnection,elseabovethereddisplay
the “ooo”isappeared,thethermocoupleisinopencurrentorthemeasuringtemperatureexceedsthemeasurement
range.
TheAuto-tuningfunction oftheinstrument’sparameters:After20 secondsofpushingdownthe key, theAT
indicatoristwinkleandthecontroller beginstostartitsAuto-tuning. Thetemperature goesthroughonetotwo timesof
oscillationandtheAT indicatorextinguishes. Theinstrumentwill control theprocesswiththeupdatedparameters,
whichwill bepermanentlypersevered.
TheswitchfunctionofCelsiusandFahrenheittemperature:Hold downthekey orsimultaneously, theupper
row showsLK, againpushtheXkeytoprompttheupperrow appearsSnandlower row appearsK-C(Celsius
temperature) orK-F (Fahrenheittemperature)andpush or keytocarryoutthetransform ofthescaleof
temperature.
Selectionofthemeasurementrange:Holddown thekey orsimultaneously, theupper row showsLK, again
pushtheXkeytoprompttheupper row appearsrLandlower row appears0, and againpushXkeytomaketheupper
row appearrH,atthattimetherowerrowappearstheneededmeasurementrange.
4.2The scheduletableofthe control parameter
Prompt
Symbol
Name Setting
Range
Illustration
Value
SettingofAlarm -199…
Range
SettingofAlarm 1,Insensitiveintervalofalarm isequaltoa
constantvalue0.4(Thisvalueismeaningless) 50or50.0
AL1
Proportionalband
(HeatingSide)
ProportionalControl: ThemorethevalueofP,thelessthe
proportionalactionandthelessthesystemgain;onlyactingonthe
heatingside.(P=0isON/OFF Control) 30
P
IntegralTime 0…990
Seconds IntegralTime:Themore thevalueofI, thelesstheIntegralaction
I=0 isPDControl,Ar= RemainedError/P)×100 240
I
DifferentialTime
0…990
seconds Differentialtime:ThemoretheValueofD,themorethedifferential
action, whichisabletoovercome overshoot(D=0isPIControl) 60
D
-setting)
ON/OFF Control)
0~100%
UsedtorestrainOvershoot (Arissetto1.5~
ratioin thesteadystateofthesystem)
ReduceArenergyandtemperatureovershoot, whenSP ischanging,
Armustbeadjusted;Armustbeconfirmedandwill besetaccording
toSPvalueautomatically.
100
Ar
Control period
HeatingSide)1…100
Seconds
Whentherelayoutput20s,SSRandSi≮-controlledswitch
transwitch2s,continuousoutputTisequalto1s,onlyactingon≮
heatingside 20
T
Value -198…
998℃Usingforcorrectthemeasurementerrorcausedbythesensorandthe
compensatelineofthethermocouple 0
Pb
Time control mode 0~16
0or10:whenswitchison,displaywill startcountingdownto0.
Whentherelayis closed,thealarm will beturnedonuntilthe
switchisoff and therelayisopen. Thealarm shall stoptocomplete
onecycleofoperation.
1or11:whenswitchison,displaywill startcountingdownto0as
relayis closed. Whenrelayis open,thealarm will beturnedon
untiltheswitchisoff. Thealarmshall stoptocompleteonecycle
ofoperation;
2or12:High andlow temperature control. Outputwill besetwhen
thetemperatureisbelow thepresetvalue. Outputwill bereset
whenthepresetvalueisreached. WhenthetemperatureofON
switchisbelow thanthehigh temperaturepresetvalue, outputwill
beset.Whenthehightemperaturepresetvalueisreached,output
will beresetandthecountingdownwill start.
3or13:Switchontostartcountingdown. Therelayisclosedor
thealarmison whenremainingtimeis0untilithasbeenswitch
offandonagain. Once switchiscycled,therelaywill beopened
andthealarmwill bestoppedtocompleteonecycleofoperation.
4or14:Switchontostartcountingdownandtherelaywill be
closed. Whenremainingtime is0,therelaywill beopenedorthe
alarm will beturnedon.Cycleandholdonswitchtocompleteone
cycleofoperation.
5or15:Switchon andoff tostartcountingdown, whenremaining
time is0,therelaywill beclosedorthealarm will beturnedon.
Therelaywill openorthealarmisoff untilthenexttimerelease
theswitchtostarttocompleteonecycleofoperation.
6or16:Releasingswitchtostartcountingdown,therelaywill be
closedorthealarmwill beturnedon.Whenremainingtime is0,
therelayisopenandonecycleofoperation iscompleteduntilthe
nextreleaseoftheswitchtostart,therelaywill beclosedandthe
alarm will bestopped.
Others:not applicable;
Note:whenthedigitsegmentof10sisone,mutethedevice by
pressanykey.
0
Run
codedlock 0,1,2
0:All parameterscanbeupdated
1:OnlytheSetPointValuecanbeupdated
2:All parameterscannot beupdated. 0
LCK
Notice: Changeofeachfunctionparameter inthetablemayalter thecontrol effectofthesystem.
Thiscontroller isunder warrantyfor12monthssincethedayofpurchase(thewarrantyonlystandsiftheproblem is
causedbythemalfunction duetomanufacturing). Anyrepairmentfordamagescausedbyimproper useofthecontroller
will becharged. Thecontroller isprovidedwithlifetimemaintenance andrepaironcost.
Pleasekeepthecontroller inadryplace withairandNO corrosivegas.