Honeywell W7752D Ocunoccupied Ocbypass Ocstandby Ocnul, Ocunoccupied Ocnul, Ocunoccipied

Page 59

EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE

NV name

nvoFcuStatus

nvoFcuStatus

nvoFcuStatus

nvoFcuStatus

nvoFcuStatus

nvoFcuStatus (continued)

field name

sched_occ

eff_sen_occ

net_man_occ

hw_sen_occ

r_o_led

mode

Table C4. Output Variables for Excel 10 FCU Controllers.

engineering units:

digital

 

 

state

default

comments

English (metric) or states plus

or

range

 

 

value

 

 

 

 

 

SNVT_occupancy

 

 

This output variable reports the current scheduled occupancy

OC_OCCUPIED

0

 

received via the network.

OC_UNOCCUPIED

1

 

 

OC_BYPASS

2

 

 

OC_STANDBY

3

 

 

OC_NUL (No Override)

255

 

 

SNVT_occupancy

 

 

This output variable reports the effective state of occupancy

OC_OCCUPIED

0

 

sensor(s) connected either to the input terminals or to other nodes

OC_UNOCCUPIED

1

 

on the network that are bound to this controller.

OC_NUL (No Override)

255

 

 

SNVT_occupancy

 

 

This output variable reports the manual occupancy from the

OC_OCCUPIED

0

 

network.

OC_UNOCCUPIED

1

 

 

OC_BYPASS

2

 

 

OC_STANDBY

3

 

 

OC_NUL

255

 

 

 

 

 

 

SNVT_occupancy

 

 

This output variable reports the state of the occupancy sensor

OC_OCCUPIED

0

 

wired to the node.

OC_UNOCCUPIED

1

 

 

OC_NUL

255

 

 

SNVT_occupancy

 

 

This output variable reports the current state of the remote override

OC_OCCUPIED

0

 

LED which indicates the effective schedule override resulting from

OC_UNOCCIPIED

1

 

the bypass push-button or a network override.

OC_BYPASS

2

 

OC_OCCUPIED: 2 flashes per second

OC_STANDBY

3

 

OC_UNOCCUPIED: 1 flash per second

OC_NUL

255

 

OC_BYPASS: on

 

 

 

OC_STANDBY: 2 flashes per second

 

 

 

OC_NUL: off

 

 

 

 

BYTE

 

 

This output variable is the current operating mode of the node

CTL_COOL

0

 

determined by many inputs and arbitrated by control logic.

CTL_HEAT

1

 

CTL_PRESSURIZE disables the heat/cool outputs, fan runs at

CTL_PRESSURIZE

2

 

highest speed.

CTL_DE_PRESSURIZE

3

 

CTL_DE_PRESSURIZE disables the heat/cool outputs, fan is

CTL_MODE_MANUAL

4

 

turned OFF.

CTL_MODE_FACTORY_TEST

5

 

CTL_MODE_MANUAL allows turning outputs ON/OFF manually

CTL_FLOATING_OUT_SYNCH

6

 

through nviTest.

CTL_FAN_SWITCH_OFF

7

 

CTL_MODE_FACTORY_TEST is intended only for the factory.

CTL_START_UP_WAIT

8

 

CTL_FLOATING_OUT_SYNCH allows enough time (150% valve

CTL_DISABLED

255

 

run-time) for the valve(s) are at their initial positions (control

 

 

 

algorithms are active). The controller then goes into one of the

 

 

57

EN2B-0285GE51 R0909

Page 58 Page 60
Image 59
Page 58 Page 60
Contents Excel Appendix C LON Interface Revision History Appendix a Using An LNS tool to Commission a Fan Coil UnitAppendix B Configuring for Master/Slave Operation Typical system overview Description of DevicesProduct Names Products CoveredOrganization of Manual Applicable LiteratureControl Provided Control ApplicationSetpoint from Network SetpointsSetpoint Knob Setpoint LimitsZEB Bypass Energy-Saving FeaturesOccupancy Status Operating Modes Safety FeaturesElectrical Shock Hazard ConstructionExcel 10 W7752 FCU Controllers Excel 10 W7754 FCU Controllers180 Controller Performance Specifications Fan Type ConfigurationsGeneral Type of Heating and Cooling Equipment Digital Input Reheat OutputExcel 10 Wall Module Options Common Temperature Control Master/Slave ControllersAbbreviations and Definitions Step No Description OverviewPlan the System Determine Other Bus Devices RequiredLonworks Layout Lay Out Communications and Power WiringGeneral Considerations Prepare Wiring DiagramsPower Wiring Plenum WiringPower Vendor wire typeLOW 230 XAL-Term ONW Orks TerminationEchelon-Based Components and Parts Order EquipmentExcel 10 Wall Modules Excel 10 SensorsUsing Plug-Ins Configure ControllersOutput Input Fan Equipment ControlMiscellaneous Switching LevelsZone Options Commissioning TroubleshootingTroubleshooting Excel 10 FCU Controllers and Wall Modules AlarmsReturntonormal FCU AlarmsManual Mode Broadcasting the Service MessageProcedure Temperature Sensor CalibrationNetwork Variable Binding Output Configuration OptionsInput Configuration Options Zone Control OptionsAppendix C LON Interface Page NV name Continuous Automode To 100% For the reheat output EN2B-0285GE51 R0909 Byte Fiveposition NoswitchByte Ntcnonlinearize NtcnonlinearizedDiairflow Byte DinotusedDiwindowclosed DioccupiedsensorThreestage Byte FloatingOnestage TwostageRelnotused Byte ReheatFreeuse Twopipe FourpipeUword Nobutton OffsetAbsolutemiddle BypassunoccupieTable C3. Input Variables for Excel 10 FCU Controllers Ocnul Modeenable UnsuppressalarmsModedisable SuppressalarmsInvalid Rqnormal Rqupdatestatus Rqupdatealarm RqreportmaskOFF NUL OFF1ON2 Byte NormalhcmodeOFF1OFF2 ON1OFF2Ledoff Ledon Byte NormalfanmodeOpen NowindowClosed Table C4. Output Variables for Excel 10 FCU Controllers Rtncomfailschedocc Rtncomfailtempreset Alarmnotifydisabled RtncomfailsetptoffsOcbypass Ocstandby Almcomfailmanheat Almcomfailmancool AlmhwswmismatchOFF Notassigned Fieldschedocc OFF Nofanspeedsw UbyteFieldeffectocc FieldhwoverrideOcunoccupied Ocbypass Ocstandby Ocnul CtlfanswitchoffCtldisabled Ocunoccupied Ocbypass OcstandbyExternalnotactice Not Actice ActiveFanoffafteroncmd FanrunsInvalid Uword StoffSton Contactopen Contactclosed Uword OFF NoreheatNotpressed PressedInvalid Byte Initial Stlow Stmed SthighInalarm EnabledDisabled NoalarmOpen Nowindow Alarm Suppressalarms AlarmnotifydisabledBugver Nodetype Word Table C5. Unused Variables for Excel 10 FCU ControllersAutomation and Control Solutions
Top Page Image Contents