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Honeywell W7750A Input Output Points Address, Control Parameters Address, Status Points Address

Models: W7750A

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Page 63

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

User Address Indexes (all in alphabetical order)

Table 20. Input Output Points.

Address Page

CO2Sensr 71

CORMode 67

DaTempSensr 70

EconEnSw 72

FltrPressSensr 70

FltrPressSensr 70

IaqOvrSw 72

Model 72

ModelSw 73

MonitorSensr 71

MonitorSw 73

OaEnthSensr 70

OaHumSensr 70

OaTempSensr 70

OccSensr 72

OvrdSw 72

RaEnthSensr 70

RaHumSensr 70

RaTempSensr 70

RmTempSensr 70

RmtStptPot 70

SmokeMonSw 72

StatusAirFlow 72

StatusDO1 71

StatusDO2 71

StatusDO3 71

StatusDO4 71

StatusDO5 71

StatusDO6 71

StatusDO7 71

StatusDO8 71

StatusDI1 71

StatusDI2 71

StatusDI3 72

StatusDI4 72

TimeClkSw 72

WindowSw 73

Table 21. Control Parameters.

Address Page

BypTime 76

DaTempClCtrlBd 77

DaTempEcCtrlBd 77

DaTempHiLim 73

DaTempHtCtrlBd 77

DaTempLoLim 73

DiffEconEnTemp 75

DlcBumpTemp 73

EconIAQPos 76

EconMinPos 76

FltrPressStPt 76

GainCoolDer 77

GainCoolInt 77

GainCoolProp 77

GainHeatDer 77

GainHeatInt 77

GainHeatProp 77

IAQSetpt 76

MaxClRamp 75

MinClRamp 75

MaxHtRamp 74

MinHtRamp 74

OaEconEnTemp 75

OaEnthEn 76

OaTempClLkOut 74

OaTempHtLkOut 73

OaTempMaxClRp 75

OaTempMinClRp 75

OaTempMaxHtRp 74

OaTempMinHtRp 74

PwmFullScale 76

PwmPeriod 76

PwmZeroScale 76

StptKnobHiLim 76

StptKnobLowLim 76

Table 22. Energy Management Points.

Address Page

DestBypass 78

DestDlcShed 78

DestFree1 79

DestFree2 79

DestTimeClk 80

DestWSHPEnable 79

DestSchedOcc 78

SrcBypCt 78

SrcBypass 78

SrcTimeClk 80

SrcTimeClkCt 80

TodEventNext 78

Tuncos 78

Table 23. Status Points.

Address Page

AlarmLog1 83

BypTimer 88

CO2Sens 89

CoolPos 90

CoolStgsOn 86

DaSetpt 89

DaTemp 89

DlcShed 86

EconPos 90

FilterPress 89

Free1Stat 86

Free2Stat 86

HeatPos 90

HeatStgsOn 86

MonitorSens 90

MonitorSw 87

NetConfig 93

OaEnth 89

OaEnthCalc 85

OaHum 89

OaTemp 89

OccStatOut 86

RaEnth 89

RaEnthCalc 85

RaHum 89

RaTemp 89

RmTemp 88

RmTempActSpt 88

SaFan 86

SaFanStatus 85

ShutDown 87

SrcEmerg 81

SrcTimeClk 80

StatFreezeStat 87

StatusAlmTyp 81

63	74-2958— 1

Image 63

Honeywell W7750A specifications Input Output Points Address, Control Parameters Address, Energy Management Points Address

Contents

Excel General Considerations W7750 Controllers Appendices72-2958 74-2958 List of Figures74-2958 Setpoint ramping parameters with ramp rate calculationList of Tables Typical system overview Description of DevicesControl Provided Control ApplicationForm No Title Products CoveredOrganization of Manual Applicable LiteratureAgency Listings Product NamesAbbreviations and Definitions Controllers ConstructionDI-1 W7750APerformance Specifications PowerSpecial Note for the W7750B,C Unit Specified Space Temperature Sensing Range CPUMemory Capacity Excel 10 W7750C Constant Volume AHU Controller Jack Lonmark Functional Profile DIN rail adaptersAnalog Inputs Inputs/OutputsDigital Inputs Triac Outputs on the W7750B,C Models onlyDigital Outputs T7770C Wall ModulesDuct Sensor T7770A1006T7560A,B construction in in. mm General ConfigurationsConfiguration Options Summary For W7750A,B,C Controllers Modulating HEATING/COOLING Control Allowable Heating and Cooling Equipment ConfigurationsStaged HEATING/COOLING Control Heat Pump ControlPneumatic Actuator Control Economizer ControlMIXED-OUTPUT-TYPE Control Occupancy SensorWindow Open/Closed Digital Input Wall Module OptionsSmoke Control Modes of OperationDirty Filter Monitor Indoor Air Quality IAQ OverrideAssigned OFF ModeDisabled NotStep No Description OverviewPlan the System Determine Other Bus Devices RequiredLonworks Bus Layout Lay Out Communications and Power WiringExcel VAV Cvahu Power Wiring Power Budget Calculation ExampleDeviceVA Information Obtained from Line Loss VA Ratings For Transformer Sizing Device DescriptionML6161A/B Damper Actuator, 35 lb-in R8242A Contactor ML7984B PWM Valve ActuatorNema 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 optionsT7770 and T7560 Wall Modules Honeywell Logo T7770D1018Sensor with Bypass/LED and Lonworks Jack Accessories Sensors AccessoriesEchelon Based Components and Parts Cabling Configure ControllersTroubleshooting Troubleshooting Excel 10 Controllers and Wall ModulesAlarms Excel 10 AlarmsResistance Value ohms W7750 Controller Status LED Broadcasting the Service MessageSensor Calibration Appendix A. Using E-Vision to Commission a W7750 ControllerSetting the Pid Parameters T7770C,D Wall Module Bypass Pushbutton and Override LEDAppendix B. Sequences of Operation Common Operations IAQ Option Room Temperature Sensor RmTempHeating EconomizerBypassTime Bypass Mode StatusOvrd and StatusLedRemote Setpoint RmtStptPot Setpoint Limits LoSetptLim and HiSetptLimBypass Occupied Continuous Unoccupied ModeOccupancy Mode and Manual Override Arbitration Not AssignedSetpoint Ramping Recovery Ramping for Heat Pump SystemsTime Clock OccTimeClock Schedule Master SchedMasterDemand Limit Control DLC Window Sensor StatusWndwSmoke Control FAN OperationTemperature Control Operations See for a diagram of a typical W7750 UnitDirty Filter Monitor Three Stages Staged Cooling ControlONE Stage TWO StagesOutdoor AIR Lockout of HEATING/COOLING Cascade Control of Modulating COOLING/HEATINGSeries 60 Modulating Control Pulse Width Modulating PWM ControlDischarge AIR LOW Limit Control Economizer ENABLE/DISABLE ControlIndoor AIR Quality IAQ Override Freeze StatStatus Points Address Input Output Points AddressControl Parameters Address Energy Management Points AddressMappable User Addresses and Table Number Enthalpy Relative TemperatureAir Flow CO2 ConcentrationEnumerated values are shown Application reset therefore, these points canPlaced in manual mode through a menu Valid states and the correspondingComments DefaultInput/Output Points NvName Field NameOccsensor Unuseddi NciIoSelect DigitalIn1Occsensor Shcedmasterin 255 NciIoSelect DigitalIn2COOLSTAGE4 COOLSTAGE1COOLSTAGE2 COOLSTAGE3Siinvalid SixtyfiftyPPM Siinvalid FalseTrue OccSensr NvoIO EconEnSw NvoIO EconEnableInPosition when poor indoor air quality is detected StatusDI3 NvoIO UbDigitalInNvName Default CommentsControl Parameters MaxClRamp, OdTempMaxClRamp, OdEnthalpyEnableMaxClRamp NciAux1SetPt UbMaxClRampS0 Degrees F/Hr MinClRamp NciAux1SetPt UbMinClRampS0 Degrees F/HrPPM GainHeatProp NciAux2SetPt UbKpHeatS2 Degrees F Degrees C Discharge air temperature cascade control loopGainCoolProp NciAux2SetPt UbKpCoolS2 Degrees F Degrees C Gain for the cooling control loopEnergy Management Points Network variable input fails Refer to WSHPEnable.valueNviFree1 Value Auxiliary functions. nviFree1 controls the FREE1OUT255 SrcTimeClkCt NvoTimeClk Value NviTimeClk ValueDestTimeClk NviTimeClk State Refer to nviTimeClk.valueStatus Points Bit Offset = InvalidSetPtAlrm Alarmbit1Bit Offset = SensorFailAlrm Bit Offset = FrostProtectAlrmUpdateallfields NoalarmNodedisabled SmokealarmCool DisabledmodeStartupwait HeatStatusManOcc NvoData1 NetManOcc StatusEconEn NvoData1 EconEnableAir flow switch is configured NciAux1SetPts.ubOdEnthalpyEnableS2For both heating or cooling HeatStgsOn NvoData1 HeatStagesOnAuxiliary heating stages are turned on CoolStgsOn NvoData1 CoolStagesOnMonitorSw NvoData1 MonSwitch Is 1, the algorithm controls as per the settings foundNciConfig.SmokeControl Controller mode is switched to FreezeprotectDischargetempfield BypasstimerfieldTempcontrolptfield SpacetempfieldUbinvalid Bit Offset = Temperature SetPtError NvoError Errorbit0 StatusError NvoError Errorbit0SpaceTempError NvoError Errorbit0Bit Offset = SpaceCO2Error NvoError Errorbit1 NvoError Errorbit1Bit Offset = RtnEnthalpyError NvoError Errorbit1 Are disabled as if the sensor was not configuredBit Offset = NvByPassError NvoError Errorbit3 Bit Offset = NvWindowError NvoError Errorbit2Bit Offset = NvDlcShedError NvoError Errorbit2 Bit Offset = NvTodEventError NvoError Errorbit3Calibration Points CfglocalCfgexternal CfgnulConfiguration Parameters False True UseRaTempCtl NciConfig DisMinHtTime NciConfig DisableHeatMinTimeDisMinClTime NciConfig DisableCoolMinTime CascCntrl NciConfig CascadeControlBypassonly Last NETOffset Absolutemiddle None NormalLonmark /Open System Points Hvacoff HvacautoHvacheat Hvacmrngwrmup Hvacprecool Hvaccool Hvacnightpurge HvacnulSrcRmTemp NvoSpaceTemp Degrees F 74-2958 100DestRmTemp NviSpaceTemp Degrees F SNVTtempp 14 toHvacauto Hvacnul HvacmrngwrmupHvactest Alarmnotifydisabled NvoStatus Unabletomeasure NvoStatus Electricalfault103 NvoStatus Inalarm 255 Not configured 74-2958Swon SrcEconEnCt NvoEcon Value On other nodes. If the economizer function is configured byCorresponding economizer function is not enabled because SrcEconEnable NvoEcon StateDirect Access And Special Points OFF Data Share Points Mapped points = number of mapped points per Excel Approximate Memory Size Estimating Procedure=using One-to-Many and not using points = including mapped points and others forSensor Use Sensor Resistance Versus Temperature Resistance OhmsResistance Sensors Sensor TypeAbove and Below Setpoint Resistance Ohms Offset Setpoint TemperatureDirect Setpoint Temperature T7770B,C 10K ohm setpoint potentiometer RelativeVoltage/Current Sensors Sensor Voltage Versus Humidity Humidity PercentageSensor Voltage Versus Humidity Relative Humidity Percentage 113 74-2958 Sensor Current Versus Enthalpy volts Enthalpy mAT7242 or equivalent 74-2958 114MAmAmAmA AmA mA mA Sensor Voltage Versus Input Voltage To A/D Voltage to A/D 50.0.13 Sensor Voltage Vdc Versus Pressure InwPressure Inw kPa Sensor Voltage Vdc Inw