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Siemens Building Technologies O3342(RWD62) V14.docO3342A031En18-Jun-01Page 1 O3342A031En2 Version 2 Installation and Commissioning Guide RWD62 RWD62 Page 28-Jun-01O3342(RWD62) V14.docO3342A031En2Siemens Building Technologies Application The universal controller is used for comfort control in HVAC systems.Two analogue outputs with voltage 0 to 10 V dc are provided, for either two-stage heating or cooling or cooling/heating.The main analogue input can be set as ° C, ° F, % or no specified unit.The second analogue input can be used for the following applications: ã PI Limiter function ( absolute and relative limit) ã Remote setpoint function ã Setpoint compensation ã Winter / summer mode changeover ( analogue or digital input ) ( reversal of heating / cooling output) ã Cascade control function ã Maximum priority for cooling/dehumidifyingThe separate digital input is provided for day/night mode changeover The RWD62 controller is intended for either DIN rail mounting in a switchboard or screw mounting with protective enclosure.Desired output configuration and auxiliary function must be entered for initial setup. Refer to Service (PS) mode sequence. Application No. Summary (H = Heating, C = Cooling, R =Reverse Acting, D = Direct Acting)(The 1st digit = Main Control Loop,The 2nd digit = Auxiliary ControlLoop)MainLoop#1xH or R sequence#2xH + H or R + Rsequences#3xH + C or R + Dsequences#4xC or D sequence#5xC + C or D + Dsequences Auxiliary Loop#x0 No auxiliary#10#20#30#40#50#x1 Remote Setpt#11#21#31#41#51#x2 Absolute limiter#12#22#32#42#52#x3 Relative limiter#13#23#33#43#53#x4 Compensation shift#14#24#34#44#54#x5 Cascade#15#25#35#45#55#x6 Win/Sum digital#16#26#36--#x7 Win/Sum analog#17#27#37--#x8 Max. priority--#38#48#58#x9 Main loop (active input)#19#29#39#49#59 Note:Application sheets for the listed applications are available from your local supplier.e.g. RWD62 application 30, quote RWD62/30 Siemens Building Technologies O3342(RWD62) V14.docO3342A031En28-Jun-01Page 3 Display explanation NameDescriptionDisplay, Setting RangeNameDescriptionDisplay, Setting Range General Screen Adjustable setpoint pageTOOLPC communication port beingused#10Application No10…59 (Not consecutivenumbers)OUT RANGEThe setting is out of range ! Day time operationErrSensors error Night time operation#10 = Using not the defaulted sensor X1Universal (Main) Input X1 ã Ni 1000 Ω : -50…150°C(unchangeable) ã Pt 1000 Ω : -20…180°C(unchangeable) ã 0-10 Vdc: -100…8000WIN/SUMWinter/Summer mode beingchosen or activated X2Universal (Auxiliary) Input X2 ã Ni 1000 Ω : -50…150°C(unchangeable) ã Pt 1000 Ω : -20…180°C(unchangeable) ã 0-10 Vdc: -100…8000 ã Variable resistor: theresistance range shouldwithin 0…1000 Ω LIMLimiter mode being chosen or activated----No unit (e.g. pressure, air qualityand air volume flow)REMRemote setpoint mode beingchosen or activatedSecSecondCASCascade mode being chosen or activatedY1Analogue output 10.0…10.0 VdcMaxPrior Maximum priority mode beingchosen or activatedY2Analogue output 20.0…10.0 VdcSP-hSetpoint on the heating side for temperature control°CCelsius scaleSP-cSetpoint on the cooling side for temperature control°FFahrenheit scaleSP-rSetpoint on the reverse acting sidefor active input (0…10 Vdc)KKelvinSP-dSetpoint on the direct acting sidefor active input (0…10 Vdc)%Percentage scale (e.g. RH)XDZ ã For R+D application. Deadzone between R and D daysetpoints when in REM modeNi: 0.5…180 KPt: 0.5…180 K Active input: 0.05…7300 >>>> IIII K KK K Page 48-Jun-01O3342(RWD62) V14.docO3342A031En2Siemens Building Technologies NameDescriptionDisplay, Setting RangeNameDescriptionDisplay, Setting Range Programming Screen PS 1Parameter Setting Mode: Application No. SetupPS 4Parameter Setting Mode: MainControl Loop SettingPS 2Parameter Setting Mode: DefiningUnit, X1 and X2PS NextTo enter the next Parameter SettingPS 3Parameter Setting Mode: AuxiliaryControlPS ExitTo exit the whole Parameter Setting Mode PS4 - Main Control Loop Setup TNIntegral action time for Y1, Y20…4096 secMINOutput end point for Y1 or Y20…100%XPProportion band for Y1, Y20.05…7300(Depends on the X1setting range)MAXOutput end point for Y1 or Y2MIN…100% or 0%…MIN PS3 - Auxiliary Control Loop Setup XP-hProportion band for heatingNi: 0.5…180 KPt: 0.5…180 K Active input: 0.05…7300TTime elapsed to allow nextwinter/summer changeover (Y1only)0…4096 secXP-cProportion band for coolingNi: 0.5…180 KPt: 0.5…180 K Active input: 0.05…7300Compensation shift(Start point, End point & Shiftdifferential)XP-rProportion band for reverse actingActive input: 0.05…7300MAXMaximum Limiter-80…8000XP-dProportion band for direct actingActive input: 0.05…7300MINMinimum Limiter-100…7980TN-hIntegral action time for heating0…4096 secWINWinter changeover point-100…8000TN-cIntegral action time for cooling0…4096 secSUMSummer changeover point-100…8000TN-rIntegral action time for reverseacting0…4096 secTN-dIntegral action time for directacting0…4096 sec PS 2 - Unit, X1 & X2 sensor type and sensing range definition UNTUnit define°C, °F, % or ----(no unitdisplay) X1Calibration offset for X1(Ni & Pt sensor only)-5…5 K or -9°F…9°FX1LSX1 is Landis & Staefa Ni 1000 Ω temperature sensor Ni 1000 Ω : -50…150°C(unchangeable) X2Calibration offset for X2(Ni & Pt sensor only)-5…5 K or -9°F…9°FX2LSX2 is Landis & Staefa Ni 1000 Ω temperature sensor Ni 1000 Ω : -50…150°C(unchangeable)X1 LStart point of the X1(for 0-10 Vdc only)-100…8000X1PtX1 is Platinum Pt 1000 Ω temperature sensor Pt 1000 Ω : -20…180°C(unchangeable)X2 LStart point of the X2(for 0-10 Vdc only)-100…8000X2PtX2 is Platinum Pt 1000 Ω temperature sensor Pt 1000 Ω : -20…180°C(unchangeable)X1 HStop point of the X1(for 0-10 Vdc only)-100…8000X10-10X1 is 0-10 Vdc input sensor0-10 Vdc: -100…8000X2 HStop point of the X2(for 0-10 Vdc only)-100…8000X20-10X2 is 0-10 Vdc intput sensor0-10 Vdc: -100…8000X2VRVariable Resistor 0…1000 Ω PS 1 - Application No. Selection: LIM ABS Absolute Limiter LIMrELRelative Limiter WIN/SUMdiGWinter/Summer changeover bydigital inputWIN/SUM AnLGWinter/Summer changeover byanalogue input ActActive sensor input
