Honeywell W7750A specifications PPM Siinvalid, False, True

Page 71

 

 

 

 

Table 20. Input/Output 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

 

 

 

 

 

 

 

 

 

 

 

 

CO2Sensr

nvoIO

siSpaceCo2S0

PPM

 

 

SI_INVALID

 

 

 

 

 

 

 

SpaceCo2 is the measured CO2 in the conditioned air space. If the sensor

 

 

 

 

150 to 2000

 

 

 

 

 

 

 

 

 

 

is not configured or has failed, the value is SI_INVALID. Refer to the NOTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on ReturnHumidity.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MonitorSensr

nvoIO

siMonitorS10

volts

 

 

SI_INVALID

 

 

 

 

 

 

 

Monitor is the voltage applied at the monitor inputs terminals. If the sensor

 

 

 

 

1 to 10

 

 

 

 

 

 

 

 

 

 

is not configured or has failed, the value is SI_INVALID. Refer to the NOTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on ReturnHumidity.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO1

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut1 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0(DigitalOut1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO2

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut2 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1(DigitalOut2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO3

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut3 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

71

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2(DigitalOut3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO4

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut4 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3(DigitalOut4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO5

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut5 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4(DigitalOut5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO6

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut6 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5(DigitalOut6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO7

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut7 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6(DigitalOut7)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDO8

nvoIO

ubOut

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalOut8 is a byte with a bit for every physical digital output. On is a 1

 

 

 

Byte Offset = 24

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) and off is a 0 (FALSE).

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7(DigitalOut8)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDI1

nvoIO

ubDigitalIn

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalIn1 is a byte with a bit for every physical digital input. If the input is

 

 

 

Byte Offset = 25

TRUE

1

 

 

 

 

 

 

 

 

 

shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is

 

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

one or TRUE.

74-

 

 

7(DigitalIn1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDI2

nvoIO

ubDigitalIn

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalIn2 is a byte with a bit for every physical digital input. If the input is

2958—

 

 

Byte Offset = 25

TRUE

1

 

 

 

 

 

 

 

 

 

shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

one or TRUE.

 

 

6(DigitalIn2)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

Image 71
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 ApplicationForm No Title Products CoveredOrganization of Manual Applicable LiteratureAgency 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 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 DeviceVA Information Obtained from Power WiringPower Budget Calculation Example 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 optionsSensor with Bypass/LED and Lonworks Jack T7770 and T7560 Wall ModulesHoneywell Logo T7770D1018 Echelon Based Components and Parts Accessories SensorsAccessories Cabling Configure ControllersTroubleshooting Troubleshooting Excel 10 Controllers and Wall ModulesResistance Value ohms AlarmsExcel 10 Alarms 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 OperationDirty Filter Monitor Temperature Control OperationsSee for a diagram of a typical W7750 Unit 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 SixtyfiftyTrue PPM SiinvalidFalse 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 toHvactest Hvacauto HvacnulHvacmrngwrmup 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 RelativeSensor 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 50.0.13 Sensor Voltage Vdc Versus Pressure InwPressure Inw kPa Sensor Voltage Vdc Inw