DEOS VAV T4 RT User Manual Download Page 6

 

VAV T4 RT VAV Zone Controller  

BACnet Communication Module User Guide 

 

 

www.deos-controls.com

 

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Device Object Properties 

The following table lists all the BACnet properties supported for the device object. The W indicates that the property is 
writable using the BACnet 

WriteProperty

 service. 

Table 2 - Device Object Properties 

Property 

Value 

Writable 

Object_Identifier 

  Programmable where the instance part of the Object_Identifier is in the range of     

0-4194302 

  The device instance must be unique system-wide 

  The default value for the device instance=877002 (Vendor_Identifier*1000) 

Object_Name 

VAV T4 RT, programmable up to 32 Bytes 

Description 

Programmable up to 32 Bytes (default: BACnet Zone controller) 

Object_Type 

Device 

 

System_Status 

Operational 

 

Vendor_Identifier 

Always 877 

 

Vendor_Name 

Always DEOS Controls 

 

Model_Name 

Example, VAVT4RT 

 

Firmware_Revision 

currently, 1.2 

 

Application_Software_Version 

currently, 2.07 

 

Protocol_Version 

Always 1 

 

Protocol_Revision 

Always 14 

 

DataBase_Revision 

 

Max_APDU_Length_Accepted 

Always 480 

 

Segmentation_Supported 

(3) = No Segmentation 

 

APDU_Timeout 

6,000 

Number_of_APDU_Retries 

Always 3 

 

Local_Time 

00:00:00  

Local_Date 

01-Jan-2015 (Thu) 

UtC_Offset 

-300 minutes 

Daylight_Savings_Status 

False 

Backup_Failure_Timeout 

300 

Configuration_Files 

File-1 

 

Last_Restore_Time 

2017-04-13 (Thu), 00:00:00:00  

 

Backup_And_Restore_State 

IDLE 

 

Backup_Preparation_Time 

 

Restore_Completion_Time 

 

Restore_Preparation_Time 

 

Protocol_Services_Supported 

  subscribeCOV 

  atomicReadFile 

  atomicWriteFile 

  readProperty 

  readPropertyMultiple 

  WriteProperty 

  writePropertyMultiple 

  deviceCommunicationControl 

  reinitializeDevice 

  unconfirmedPrivateTransfer 

  timeSynchronization 

  who-Has 

  who-Is 

  utcTimeSynchronization 

  subscribeCOVProperty 

 

Protocol_Object_Types_Supported 

  analog-input 

  analog-output 

  analog-value 

  binary-input 

  binary-output 

  binary-value 

  device 

  file 

  program 

  schedule 

  multi-state-value 

 

Object_List 

100 

 

Device_Address_Binding 

Always empty 

 

Max_Master 

Programmable in the range of 1-127 (default: 127) 

Max_Info_Frames 

Always 1 

 

Active_COV_Subscription 

Empty by default. COV subscription will be lost on a power cycle. 

 

Property_List   

List of properties that exist within the object. 

 

 

 

 

Summary of Contents for VAV T4 RT

Page 1: ...VAV T4 RT BACnet Guide 170602 docx VAV Zone Controller VAV T4 RT BACnet Communication Module User Guide Zoning System...

Page 2: ...y of 15 minutes to ensure a Tusage_timeout value within 20 minutes MS TP Support The controller supports a Full Master Node state machine for MS TP The Max_Master and the instances are configured to t...

Page 3: ...y through the WriteProperty service to Device Object Object_Identifier The device s Object_Identifier is a combination of the Device Object_Type 8 and the Device_Instance 0 4194302 therefore its decim...

Page 4: ...ot guarantee efficient operation of the controller and other MS TP units on the MS TP network Some MAC address and Max_Master combinations are more efficient than others BACnet requires token passing...

Page 5: ...figuration of a controller over the network to controllers of the same type using the Copy Config feature 1 Access Operation Mode jumper set to RUN position 2 Press and hold both function buttons for...

Page 6: ...Max_APDU_Length_Accepted Always 480 Segmentation_Supported 3 No Segmentation APDU_Timeout 6 000 W Number_of_APDU_Retries Always 3 Local_Time 00 00 00 W Local_Date 01 Jan 2015 Thu W UtC_Offset 300 minu...

Page 7: ...lity Description Min_Present_Value Max_Present_Value Resolution COV Increment Out_of_Service COV Increment Object will automatically return to Normal after a programmable period Refer to Proprietary p...

Page 8: ...w firmware File Description Archive File Size Only 0 is the accepted value to be written into file size Schedule Description Weekly Schedule Effective Period Weekly Schedule Schedule Default Priority...

Page 9: ...32 F to 122 F or 0 C to 50 C Resolution 0 02 F 0 01 C Analog Output AO Table 5 Object Table Information Analog Output AO ID Name List Description W Notes AO 1 AnalogOutput1 Integrator Status value th...

Page 10: ...that represents the reheat demand Read only COV Increment 0 1 0 to 100 Resolution 0 1 AV 24 Cfg_DuctReheatPropBand Advanced Configuration value that represents the range through which the controller...

Page 11: ...ue represents the maximum control signal of the controlled element If the signal is 0 to 10Vdc or 2 to 10Vdc then the maximum value is 10 Volts It can also be used to limit the maximum output of the c...

Page 12: ...low Balance Instructions Present Value COV Increment 1 0 to 9 995 No units Resolution 1 No unit Writable only if system is in balancing mode AV 114 Cfg_AirFlowOffset Integrator Configuration value use...

Page 13: ...1 unit Binary Input BI Table 7 Object Table Information Binary Input BI ID Name List Description W Notes BI 1 DigitalInput1 Integrator Contact status of the input 0 Open 1 Close Out_of_Service 0 Open...

Page 14: ...tuator is configured to open from 0 to 90 When set to 1 Reverse the damper actuator is configured to open from 90 to 0 When this value is changed the controller will execute an auto stroke to reset th...

Page 15: ...ale is used for low airflows up to 999 Scale 100 Airflow is multiplied by 100 This scale is used for very low airflows up to 99 Present Value Scale1 Scale10 Scale100 MSV 42 AirFlowBal_Mode Integrator...

Page 16: ...and Demand Temp only Setpoint only Off MSV 100 Cfg_ObjectList Integrator Configuration value of the object list Integrator Object list restricted to Integrator Object List Advanced Object list restric...

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