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Dap4 LonWorks Interface Instructions 

Document number 600-000-966 Ver. 3                                                                                                                                                             

8

Description 

Read/

Write

Variable Name 

Data 

Type

LONworks 

SNVT

CW Fan speed (%) sent via 
BMS 

Write 
only 

CW_Fan_Speed_bms I 

nviCW_Fan_Speed 8 

DX Fan speed (%) sent via 
BMS 

Write 
only 

DX_Fan_Speed_bms I 

nviDX_Fan_Speed 

Heater 2 Runtime - high 

Ht2_Hours_H 

nvoHt2_Hours_H 

Heater 2 Runtime - low 

Ht2_Hours_L 

nvoHt2_Hours_L 

Heater 3 Runtime - high 

Ht3_Hours_H 

nvoHt3_Hours_H 

Heater 3 Runtime - low 

Ht3_Hours_L 

nvoHt3_Hours_L 

Chilled Water Runtime - This 
applies to chilled water units 
only - high 

R CW_Hours_H 

I nvoCW_Hours_H 

Chilled Water Runtime - This 
applies to chilled water units 
only - low 

R CW_Hours_L 

I nvoCW_Hours_L 

Zone Airflow Setpoint kcfm 
(Enter Total airflow 
setpoint/100) 

Write 
only 

ZM_Airflow_SP I 

nviZone_Air_Setp 

Water under floor alarm 

Floor_Wtr_alm 

Alarm_1 . Bit0 

83 

No air flow alarm 

Air_Flow_alm 

Alarm_1 . Bit1 

83 

Dirty filter from digital input 

Filter_alm 

Alarm_1 . Bit2 

83 

Alarm from humidifier digital 
input 

Humidifier_alm 

Alarm_1 . Bit3 

83 

Temperature of return air above 
firestat alarm set point 

Firestat_alm 

Alarm_1 . Bit4 

83 

One or more comps has short 
cycled 

Shortcycle_alm 

Alarm_1 . Bit5 

83 

Loss of power requires manual 
reset of alarm 

PwrUp_alm 

Alarm_1 . Bit6 

83 

Sensor is out of range 

Humidity_fail 

Alarm_1 . Bit7 

83 

Sensor is out of range 

Ret_Air_fail 

Alarm_1 . Bit8 

83 

Maintenance Schedule Due 
alarm 

Maint_alm 

Alarm_1 . Bit9 

83 

High pressure alarm 

C1_HP_alm 

Alarm_1 . Bit10 

83 

Low pressure alarm 

C1_LP_alm 

Alarm_1 . Bit11 

83 

High pressure alarm 

C2_HP_alm 

Alarm_1 . Bit12 

83 

Low pressure alarm 

C2_LP_alm 

Alarm_1 . Bit13 

83 

Smoke detected from digital 
input 

Smoke_alm 

Alarm_1 . Bit14 

83 

No water flow alarm 

Wtr_Flow_alm 

Alarm_1 . Bit15 

83 

Sensor is out of range 

Disch_Air_fail 

Alarm_2 . Bit0 

83 

Temperature of return air above 
alarm set point 

RA_Tmp_hi_alm 

Alarm_2 . Bit1 

83 

Содержание LonWorks dap4

Страница 1: ...Data Aire dap4 LonWorks Interface Instructions Data Aire Inc 230 West BlueRidge Ave Orange CA 92865 Document number 600 000 966 April 2014 Revision 3 0 ...

Страница 2: ...number 600 000 966 Ver 3 2 Table of Contents 1 Introduction 3 2 Physical channels 3 3 Layout of the boards 3 4 Meanings of the LEDs 3 5 Installation 4 6 Connection to the LonWorks network 5 7 XIF and NXE file for dap4 6 8 dap4 LonWorks Point list 6 ...

Страница 3: ...hout any restrictions in the topology that is star ring on one bus only or with any combination of these Communication speed 78 125 kbps Maximum distance Belden 85102 cable 500m for connections between the nodes with free topology 3 Layout of the boards Fig 1 LonWorks card 1 Connector to the dap4 controller BMS card 2 Terminal block for LonWorks network GND A B 3 Service pin 4 Green service LED 5 ...

Страница 4: ...their original package as long as possible If necessary take the controller from its package and place it into antistatic packaging without touching the back of the board Absolutely avoid non antistatic plastic bags polystyrene or sponges Do not pass the electronic components or boards directly to other operators to prevent electrostatic induction and discharges Connect Lonworks card to the dap4 o...

Страница 5: ...rroneous data Service pin To activate the service pin simply momentarily short circuit the two pins on the board see Fig 1 and no 3 with the tip of a screwdriver or a similar tool The service pin must only be activated during the installation of the node When the pin is activated the node sends a broadcast message over the LonWorks network containing the information required for identification The...

Страница 6: ...Maximum A nvoHiTempHistory 105 Minimum Return air temp in last 24hrs R Minimum A nvoLoTempHistory 105 Temperature setpoint R W Temp_Setpoint A nvoTempSetpoint nviTempSetpoint 105 Temperature of chilled water R CW_Tmp A nvoWaterTemp 105 Temperature of discharge air R Disch_Air_Tmp A nvoDischTemp 105 Value of the analog input 1 R Opt1_Analog A nvoOpt1_Analog 8 Value of the analog input 2 R Opt2_Anal...

Страница 7: ... Compressor 2 Runtime This point applies to DX unit with dual compressor high R C2_Hours_H I nvoC2_Hours_H 8 Compressor 2 Runtime This point applies to DX unit with dual compressor low R C2_Hours_L I nvoC2_Hours_L 8 Heater 1 Runtime high R Ht1_Hours_H I nvoHt1_Hours_H 8 Heater 1 Runtime low R Ht1_Hours_L I nvoHt1_Hours_L 8 Humidity upper limit alarm Write only Hum_Hi_SP I nviHiHumLimit 8 Upper lim...

Страница 8: ... 83 No air flow alarm R Air_Flow_alm D Alarm_1 Bit1 83 Dirty filter from digital input R Filter_alm D Alarm_1 Bit2 83 Alarm from humidifier digital input R Humidifier_alm D Alarm_1 Bit3 83 Temperature of return air above firestat alarm set point R Firestat_alm D Alarm_1 Bit4 83 One or more comps has short cycled R Shortcycle_alm D Alarm_1 Bit5 83 Loss of power requires manual reset of alarm R PwrU...

Страница 9: ... door Optional alarm External alarm input required R SeeTag_cust_alm3 D Alarm_2 Bit8 83 Local alarm 4 See tag inside door Optional alarm External alarm input required R SeeTag_cust_alm4 D Alarm_2 Bit9 83 Standby pump on Check primary pump Optional alarm Pump failure input signal required R Stdby_Pump_On D Alarm_2 Bit10 83 Alarm UPS power on Check main power Optional alarm External alarm input requ...

Страница 10: ...Alm D Alarm_3 Bit4 83 High condensation from digital input R Condensation_alm D Alarm_3 Bit5 83 Unit in standby all functions held off Optional alarm Control input signal required Factory setting required R Unit_In_Standby D Alarm_3 Bit6 83 Cooling operation inhibited by BMS R W BMS_Cooling_inhibit D nvoBMSCool_In nviBMSCool_In 95 Heat inhibited due to bms R W BMS_Heat_inhibit D nvoBMSHeat_In nviB...

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