Orion-system PT-Link II BACnet2 Manual do Utilizador descarregar pdf (Página 52)

PT-Link II BACnet

®

Technical Guide

PT-Link II Interface

52

BACnet Properties for the VCM Controller

Parameter Name Object Description Limits

Supply Air

Temperature

SaTp AI: 83 Current value of

the supply air

temperature

sensor.

Temperature

Demand

TpDmnd AI: 84 Based on the

comparison

between the

current Control

Temperature and

the Heating or

Cooling Setpoint

Temperatures.

Does not work

for supply air

control.

VFD Blower

Fan

VfdBwPos AI: 88 Current position

of the VFD blow-

er fan signal.

VFD Relief

Fan

VfdExPos AI: 89 Current position

of the VFD relief

fan signal.

Modulating

Gas Valve

Position

MdHt2Pos AI: 38 Current position

of MODGAS II

modulating gas

valve control.

Reheat Value

Position

Rt2Pos AI: 60 Current position

of MHGRV

modulating hot

gas reheat valve

control.

Alarm

Group 1

AlrmGrp1 AI: 104 See page 57.

Alarm

Group 2

AlrmGrp2 AI: 105 See page 57.

Alarm

Group 3

AlrmGrp3 AI: 106 See page 57.

Dewpoint

Setpoint

Mirror

DptStM AI: 110 Mirror of the

DPtSt

“read only.”

Indoor RH

Setpoint

Mirror

InRhStM AI: 114 Mirror of the

InRhSt “read

only.”

Modulating

Cool

Position

MdClPos AI: 115 Current position

of the modulating

cooling signal

(Chilled water or

digital compres-

sor).

Modulating

Heat

Position

MdHtPos AI: 116 Current position

of the modulating

heating signal

(hot water or

SCR heat).

BACnet Properties for the VCM Controller

Parameter Name Object Description Limits

Application

Software

Version

AppVer AI: 99 Current version of the

software in the unit.

Alarm

Status

AlmSts AI: 1 See page

57.

Unit Mode UnitMode AI: 123 See page

57.

Control

Status

CtrlSts AI: 4 Current operational

status.

Control

Temperature

CtrlTp AI: 9 Current value of the

control temperature

sensor.

Occupied/

Mode

Enable

Cooling

Setpoint

Mirror

ClSt AI: 7 Occupied/ Mode

Enable Cooling

Setpoint

Mirror.

Duct Static

Pressure

DuctPr AI: 14 Current value of the

duct static pressure

sensor.

Economizer

Position

EcoPos AI: 16 Current position of the

economizer damper.

External

Relays 1-2

ExRlys12 AI: 111 See page

57.

External

Relays 3-4

ExRlys34 AI: 112 See page

57.

Indoor

Humidity

InRh AI: 67 Current value of the

indoor humidity sensor.

Occupied/

Mode

Enable

Heating

Setpoint

Mirror

HtSt AI: 31 Occupied/ Mode

Enable Heating Setpoint

Mirror.

On Board

Relays

OnRlys AI: 44 See page

57.

Outdoor Air

Humidity

OaRh AI: 52 Current value of the

outdoor humidity

sensor.

Outdoor Air

Temperature

OaTp AI: 54 Current value of the

outdoor temperature

sensor.

Outdoor Air

Wetbulb

OaWtbl AI: 55 Current calculated value

of the outdoor wetbulb

temperature.

Relief

Pressure

RfPr AI: 62 Current value of the

building pressure

sensor.

Return Air

CO

2

Level

CO2Level AI: 150 Current value of the

CO

2

sensor.

Return Air

Temperature

RaTp AI: 64 Current value of the

return temperature

sensor.

Space

Temperature

SpcTp AI: 72 Current value of the

space temperature

sensor.

Appendix H - VCM BACnet Parameters

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