Honeywell W7750A specifications Ubinvalid

Page 89

Table 23. Status Points. (Continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Value

Digital

 

E-Vision

 

 

Direct

Hardware

Manual

 

E-Vision Legend: (M) Monitor, (P) Parameter, (S) Schematic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

User Address

NvName

Field Name

(Metric) or States plus Range

ofState

Stateor

Default

(M, P,S)

Share

Map

Access

Config.

Config.

Test

Comments

 

 

 

 

Engineering Units: English

 

 

 

 

 

 

 

 

 

 

 

 

DaTemp

nvoData2

siDischargeTempS7

Degrees F

 

 

SI_INVALID

 

 

X

 

 

 

 

siDischargeTempS7: siDischargeTempS7 is the discharge air temperature

 

 

(nvoCtlDataG2)

 

30 to 122

 

 

 

 

 

 

 

 

 

 

used by the control process and is read from the local sensor via

 

 

 

 

Degrees C

 

 

 

 

 

 

 

 

 

 

nvoIO.siDischargeTempS7. If the sensor has failed or is not configured,

 

 

 

 

(-1 to 50)

 

 

 

 

 

 

 

 

 

 

siDischargeTempS7 is SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DaSetpt

nvoData2

siDischargeSetPtS7

Degrees F

 

 

SI_INVALID

 

 

X

 

 

 

 

siDischargeSetPtS7: siDischargeSetPtS7 is the calculated desired

 

 

(nvoCtlDataG2)

 

30 to 122

 

 

 

 

 

 

 

 

 

 

discharge air temperature when cascade control is being used.

 

 

 

 

Degrees C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(-1 to 50)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RaTemp

nvoData2

siReturnTempS7

Degrees F

 

 

SI_INVALID

 

 

X

 

 

 

 

siReturnTempS7: siReturnTempS7 is the return air temperature used by the

 

 

(nvoCtlDataG2)

 

30 to 122

 

 

 

 

 

 

 

 

 

 

control process read from the local sensor via nvoIO.siReturnTempS7. If

 

 

 

 

Degrees C

 

 

 

 

 

 

 

 

 

 

the sensor has failed or is not configured, siReturnTempS7 is SI_INVALID.

 

 

 

 

(-1 to 50)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RaHum

nvoData2

ubReturnHumidityS1

Percentage

 

 

UB_INVALID

 

 

X

 

 

 

 

ubReturnHumidityS1: ubReturnHumidityS1 is the return air humidity used

 

 

(nvoCtlDataG2)

 

10 to 90

 

 

 

 

 

 

 

 

 

 

by the control process and is read from the local sensor via

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nvoIO.ReturnHumidity. If the sensor has failed or is not configured

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ubReturnHumidityS1 is UB_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

89

RaEnth

nvoData2

siReturnEnthalpyS7

mA

 

 

SI_INVALID

 

 

X

 

 

 

 

siReturnEnthalpyS7: siReturnEnthalpyS7 is the return air enthalpy used by

 

(nvoCtlDataG2)

 

4 to 20

 

 

 

 

 

 

 

 

 

 

the control process and is read from the local sensor via

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nvoIO.siReturnEnthalpyS7. If the sensor has failed or is not configured,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

siReturnEnthalpyS7 is SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OaTemp

nvoData2

siOutdoorTempS7

Degrees F

 

 

SI_INVALID

 

 

X

 

 

 

 

siOutdoorTempS7: siOutdoorTempS7 is the outdoor air temperature used

 

 

(nvoCtlDataG2)

 

-40 to 122

 

 

 

 

 

 

 

 

 

 

by the control process and is read from another node via nviOdTemp or the

 

 

 

 

Degrees C

 

 

 

 

 

 

 

 

 

 

local sensor via nvoIO.siOutdoorTempS7. If the network input is not

 

 

 

 

(-40 to 43)

 

 

 

 

 

 

 

 

 

 

SI_INVALID, then the network input has priority. If both the network input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and the local sensor have failed or are not configured, siOutdoorTempS7 is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OaHum

nvoData2

ubOutdoorHumidityS1

Percentage

 

 

UB_INVALID

 

 

X

 

 

 

 

ubOutdoorHumidityS1: ubOutdoorHumidityS1 is the outdoor air humidity

 

 

(nvoCtlDataG2)

 

10 to 90

 

 

 

 

 

 

 

 

 

 

used by the control process and is read from another node via nviOdHum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or the local sensor via nvoIO.OutdoorHumidity. If the network is not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SI_INVALID, then the network input has priority. If both the network input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and the local sensor have failed or are not configured,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ubOutdoorHumidityS1 is UB_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OaEnth

nvoData2

siOutdoorEnthalpyS7

mA

 

 

SI_INVALID

 

 

X

 

 

 

 

siOutdoorEnthalpyS7: siOutdoorEnthalpyS7 is the outdoor air enthalpy

 

 

(nvoCtlDataG2)

 

4 to 20

 

 

 

 

 

 

 

 

 

 

used by the control process and is read from another node via

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nviOdEnthS7 or the local sensor via nvoIO.siOutdoorEnthalpyS7. If the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

network input is not SI_INVALID, then the network input has priority. If both

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the network input and the local sensor have failed or are not configured,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

siOutdoorEnthalpyS7 is SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FilterPress

nvoData2

siFilterPressureS10

inw (kPa)

 

 

SI_INVALID

 

 

X

 

 

 

 

siFilterPressureS10: siFilterPressureS10 is air pressure across the air filter

 

 

(nvoCtlDataG2)

 

0 to 5 (0 to 1.25)

 

 

 

 

 

 

 

 

 

 

used by the control process and is read from the local sensor via

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nvoIO.siFilterPressureS10. If the local sensor has failed or is not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

configured, siFilterPressureS10 is SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74

CO2Sens

nvoCtlDataG2

siSpaceCo2S0

PPM

 

 

SI_INVALID

 

 

X

 

 

 

 

siSpaceCo2S0: siSpaceCo2S0 is the indoor air CO2 content used by the

 

 

 

150 to 2000

 

 

 

 

 

 

 

 

 

 

control process and read the local sensor via nvoIO.siSpaceCo2S0. If the

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2958— 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

local sensor has failed or is not configured, siSpaceCo2S0 is SI_INVALID.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

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Page 88 Page 90
Contents Excel 72-2958 General Considerations W7750 ControllersAppendices 74-2958 List of Figures74-2958 Setpoint ramping parameters with ramp rate calculationList of Tables Typical system overview Description of DevicesControl Provided Control ApplicationOrganization of Manual Products CoveredApplicable Literature Form No TitleAgency Listings Product NamesAbbreviations and Definitions Controllers ConstructionDI-1 W7750ASpecial Note for the W7750B,C Unit Performance SpecificationsPower Memory Capacity Specified Space Temperature Sensing RangeCPU Excel 10 W7750C Constant Volume AHU Controller Jack Lonmark Functional Profile DIN rail adaptersAnalog Inputs Inputs/OutputsDigital Outputs Digital InputsTriac Outputs on the W7750B,C Models only Duct Sensor Wall ModulesT7770A1006 T7770CT7560A,B construction in in. mm General ConfigurationsConfiguration Options Summary For W7750A,B,C Controllers Staged HEATING/COOLING Control Allowable Heating and Cooling Equipment ConfigurationsHeat Pump Control Modulating HEATING/COOLING ControlPneumatic Actuator Control Economizer ControlWindow Open/Closed Digital Input Occupancy SensorWall Module Options MIXED-OUTPUT-TYPE ControlDirty Filter Monitor Modes of OperationIndoor Air Quality IAQ Override Smoke ControlDisabled OFF ModeNot AssignedPlan the System OverviewDetermine Other Bus Devices Required Step No DescriptionLonworks Bus Layout Lay Out Communications and Power WiringExcel VAV Cvahu DeviceVA Information Obtained from Power WiringPower Budget Calculation Example ML6161A/B Damper Actuator, 35 lb-in R8242A Contactor VA Ratings For Transformer Sizing Device DescriptionML7984B PWM Valve Actuator Line LossNema class 2 transformer voltage output limits Power wiring details for one Excel 10 per TransformerGeneral Considerations Prepare Wiring DiagramsW7750 Controllers Terminal Terminal Number Description Factory Default Digital OutputsConstant Volume AHU Controller ML6161 Floating Actuator COM CCW Load Controller Power Heat Wall Economizer Damper PWM Actuator Power Signal W7750C Constant Pneumatic transducer to W7750B,C Shown, see triangle note Lonworks Bus Termination ModuleBrown Orange Order Equipment Lonworks Bus termination wiring optionsSensor with Bypass/LED and Lonworks Jack T7770 and T7560 Wall ModulesHoneywell Logo T7770D1018 Echelon Based Components and Parts Accessories SensorsAccessories Troubleshooting Configure ControllersTroubleshooting Excel 10 Controllers and Wall Modules CablingResistance Value ohms AlarmsExcel 10 Alarms W7750 Controller Status LED Broadcasting the Service MessageSetting the Pid Parameters Appendix A. Using E-Vision to Commission a W7750 ControllerT7770C,D Wall Module Bypass Pushbutton and Override LED Sensor CalibrationAppendix B. Sequences of Operation Common Operations Heating Room Temperature Sensor RmTempEconomizer IAQ OptionRemote Setpoint RmtStptPot Bypass Mode StatusOvrd and StatusLedSetpoint Limits LoSetptLim and HiSetptLim BypassTimeOccupancy Mode and Manual Override Arbitration Continuous Unoccupied ModeNot Assigned Bypass OccupiedTime Clock OccTimeClock Recovery Ramping for Heat Pump SystemsSchedule Master SchedMaster Setpoint RampingSmoke Control Window Sensor StatusWndwFAN Operation Demand Limit Control DLCDirty Filter Monitor Temperature Control OperationsSee for a diagram of a typical W7750 Unit ONE Stage Staged Cooling ControlTWO Stages Three StagesSeries 60 Modulating Control Cascade Control of Modulating COOLING/HEATINGPulse Width Modulating PWM Control Outdoor AIR Lockout of HEATING/COOLINGIndoor AIR Quality IAQ Override Economizer ENABLE/DISABLE ControlFreeze Stat Discharge AIR LOW Limit ControlControl Parameters Address Input Output Points AddressEnergy Management Points Address Status Points AddressMappable User Addresses and Table Number Air Flow Relative TemperatureCO2 Concentration EnthalpyPlaced in manual mode through a menu Application reset therefore, these points canValid states and the corresponding Enumerated values are shownInput/Output Points DefaultNvName Field Name CommentsOccsensor Shcedmasterin NciIoSelect DigitalIn1255 NciIoSelect DigitalIn2 Occsensor UnuseddiCOOLSTAGE2 COOLSTAGE1COOLSTAGE3 COOLSTAGE4Siinvalid SixtyfiftyTrue PPM SiinvalidFalse Position when poor indoor air quality is detected EconEnSw NvoIO EconEnableInStatusDI3 NvoIO UbDigitalIn OccSensr NvoIONvName Default CommentsControl Parameters MaxClRamp NciAux1SetPt UbMaxClRampS0 Degrees F/Hr OdEnthalpyEnableMinClRamp NciAux1SetPt UbMinClRampS0 Degrees F/Hr MaxClRamp, OdTempMaxClRamp,PPM GainCoolProp NciAux2SetPt UbKpCoolS2 Degrees F Degrees C Discharge air temperature cascade control loopGain for the cooling control loop GainHeatProp NciAux2SetPt UbKpHeatS2 Degrees F Degrees CEnergy Management Points NviFree1 Value Refer to WSHPEnable.valueAuxiliary functions. nviFree1 controls the FREE1OUT Network variable input failsDestTimeClk NviTimeClk State NviTimeClk ValueRefer to nviTimeClk.value 255 SrcTimeClkCt NvoTimeClk ValueStatus Points Bit Offset = SensorFailAlrm Alarmbit1Bit Offset = FrostProtectAlrm Bit Offset = InvalidSetPtAlrmNodedisabled NoalarmSmokealarm UpdateallfieldsStartupwait DisabledmodeHeat CoolAir flow switch is configured StatusEconEn NvoData1 EconEnableNciAux1SetPts.ubOdEnthalpyEnableS2 StatusManOcc NvoData1 NetManOccAuxiliary heating stages are turned on HeatStgsOn NvoData1 HeatStagesOnCoolStgsOn NvoData1 CoolStagesOn For both heating or coolingNciConfig.SmokeControl Is 1, the algorithm controls as per the settings foundController mode is switched to Freezeprotect MonitorSw NvoData1 MonSwitchTempcontrolptfield BypasstimerfieldSpacetempfield DischargetempfieldUbinvalid SpaceTempError StatusError NvoError Errorbit0NvoError Errorbit0 Bit Offset = Temperature SetPtError NvoError Errorbit0Bit Offset = RtnEnthalpyError NvoError Errorbit1 NvoError Errorbit1Are disabled as if the sensor was not configured Bit Offset = SpaceCO2Error NvoError Errorbit1Bit Offset = NvDlcShedError NvoError Errorbit2 Bit Offset = NvWindowError NvoError Errorbit2Bit Offset = NvTodEventError NvoError Errorbit3 Bit Offset = NvByPassError NvoError Errorbit3Cfgexternal CfglocalCfgnul Calibration PointsConfiguration Parameters False True DisMinClTime NciConfig DisableCoolMinTime DisMinHtTime NciConfig DisableHeatMinTimeCascCntrl NciConfig CascadeControl UseRaTempCtl NciConfigOffset Absolutemiddle Last NETNone Normal BypassonlyLonmark /Open System Points Hvacheat HvacautoHvacmrngwrmup Hvacprecool Hvaccool Hvacnightpurge Hvacnul HvacoffDestRmTemp NviSpaceTemp Degrees F 74-2958 100SNVTtempp 14 to SrcRmTemp NvoSpaceTemp Degrees FHvactest Hvacauto HvacnulHvacmrngwrmup Alarmnotifydisabled 103 NvoStatus Inalarm NvoStatus Electricalfault255 Not configured 74-2958 NvoStatus UnabletomeasureSwon Corresponding economizer function is not enabled because On other nodes. If the economizer function is configured bySrcEconEnable NvoEcon State SrcEconEnCt NvoEcon ValueDirect Access And Special Points OFF Data Share Points =using One-to-Many and not using points Approximate Memory Size Estimating Procedure= including mapped points and others for Mapped points = number of mapped points per ExcelResistance Sensors Sensor Resistance Versus Temperature Resistance OhmsSensor Type Sensor UseDirect Setpoint Temperature Offset Setpoint TemperatureT7770B,C 10K ohm setpoint potentiometer Relative Above and Below Setpoint Resistance OhmsSensor Voltage Versus Humidity Relative Humidity Percentage Voltage/Current SensorsSensor Voltage Versus Humidity Humidity Percentage 113 74-2958 Sensor Current Versus Enthalpy volts Enthalpy mAMAmAmAmA AmA mA mA T7242 or equivalent74-2958 114 Sensor Voltage Versus Input Voltage To A/D Voltage to A/D Pressure Inw kPa Sensor Voltage Vdc Sensor Voltage Vdc Versus Pressure InwInw 50.0.13
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