DEOS VAV T4 RT User Manual

Vav zone controller bacnet communication module, zoning system

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VAV Zone Controller
VAV T4 RT
BACnet Communication Module User Guide
Zoning System
.docx
VAV T4 RT-BACnet Guide-170602

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Summary of Contents for DEOS VAV T4 RT

  • Page 1 VAV Zone Controller VAV T4 RT BACnet Communication Module User Guide Zoning System .docx VAV T4 RT-BACnet Guide-170602...
  • Page 2: Advantages Of Bacnet

    The controller provides a BACnet network interface between BACnet client devices and DEOS Controller series devices. It uses the BACnet Master Slave/Token Passing (MS/TP) protocol at the BACnet MAC layer.
  • Page 3: Bacnet Properties Configuration

    VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide BACnet Properties Configuration To establish communication on the network, and guarantee a unique ID of devices in a BACnet system, the following properties may have to be configured. Table 1 - BACnet Properties Configuration...
  • Page 4: Configuration Options

    VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Configuration Options The following Configuration options enable you to configure and run the BACnet features of the controllers quickly. Quick Setup Configure the controller for BACnet communication without programming.
  • Page 5: Copy Config

    VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Example 3  MAC=0, Max_Master=1  MAC=2, Max_Master=2 This is an incorrect configuration. The MAC=0 will never find MAC=2 because it will never poll for the master MAC address=2.
  • Page 6: Device Object Properties

    0-4194302 Object_Identifier  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) Device Object_Type...
  • Page 7: Object Types Supported

    VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Property Value Writable  Programmable (default:0)  Represents the MS/TP MAC address in the range of 0 to 254 Proprietary property #1000  Values 128 to 254 represent MS/TP non-token passing slave devices ...
  • Page 8: Out_Of_Service Property

    Out_of_Service Property DEOS controllers offer the use of the Out_of_Service writable property. When the value of this property is set to True, it disconnects the object from the physical input, enabling you to input other values. This is useful for special applications or while troubleshooting.
  • Page 9 Object Table Information The VAV T4 RT system uses the following BACnet object tables, categorized on the basis of their ID. The type is the BACnet Object type, the instance is the BACnet Object. Together, the type and instance form the BACnet Object_Identifier for an object according to the following C-language algorithm: ...
  • Page 10 VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Name List Description Notes Configuration value used to set the actual user setpoint of the zone in Present Value AV.15 OccupiedTemperatureSetpoint Integrator AV.16 to AV.17, Resolution 0.02ºF/0.01°C occupied/day mode.
  • Page 11 VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Name List Description Notes set for the actual ramp. Configuration value that represents the range through which the controller will Present Value AV.41 Cfg_CoolingPropBand Advanced 1ºF to 10ºF or 0.5ºC to 5ºC, Resolution 1ºF/0.5ºC modulate the cooling output from 0 to 100%.
  • Page 12 VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Name List Description Notes Out of service AV.93 CurrentDamperPosition Integrator Value that represents the current position of the damper. 0 to 100%, Resolution 1% COV Increment (1) Configuration value that represents the maximum airflow of the VAV box at 1"...
  • Page 13: Binary Input (Bi)

    VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Name List Description Notes When using copy config, this value is used to verify that the copy to the Succeed, Progerr, Typeerr, Modlerr, Memerr, AV.167 CopyCfgResult Integrator Present Value controllers was successful or failed.
  • Page 14 VAV T4 RT VAV Zone Controller BACnet Communication Module User Guide Name List Description Notes Configuration of the temperature units used in BACnet. BV.1 Cfg_TempUnitBACnet Integrator If set to (0), the temperature will be in Celsius scale. If set to (1), the...
  • Page 15: Multi State Value (Msv)

    Off: Forces the VAV T4 RT Off. Signal sent via BMS. MSV.11 OccCommand Integrator Relinquish Default Occupancy: Forces the VAV T4 RT to occupied or day mode. Signal sent via Occupancy BMS. NoOccupancy NoOccupancy: Forces the VAV T4 RT to unoccupied or night setback mode.
  • Page 16 File Size FIL.1 FirmwareBinaryFile Integrator The controller will be reset and the firmware will be LOADED into the memory. File Size is accepted for 0 value only. Archive Use only the binary file provided by DEOS. www.deos-controls.com Page | 15...

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