Appendix d - vcb-x bacnet parameters, Pt-link ii interface pt-link ii bacnet, Technical guide 37 – Orion System PT-Link II BACnet2 User Manual

Page 37

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PT-Link II Interface

PT-Link II BACnet

®

Technical Guide

37

Appendix D - VCB-X BACnet Parameters

BACnet Properties for the VCB-X Controller

Parameter

Name

Object

Description

Limits

Static

Pressure
Setpoint

StatPrSt

AV:290

Current Static

Pressure

Setpoint.

.10

3.0

Supply Air

CFM

SaCFM

AI:195

Current Supply

Airfl ow

Measurement.

Supply Air

Cooling

Setpoint

SaClSt

AV:77

Supply Air
Setpoint in

Cooling Mode.

30

80

Supply Air

Cool High

Reset

SaClRt

AV: 324

High Supply

Air Cooling

Reset Limit

40

150

Supply Air

Heat High

Reset

SaHtRt

AV: 325

High Supply

Air Heating
Reset Limit

40

150

Supply Air

Heating

Setpoint

SaHtSt

AV:78

Supply Air
Setpoint in

Heating Mode.

40

240

Supply Air

Temperature

SaTp

AI:83

Current value

of the

supply air

temperature

sensor.

Supply Air

Temperature

Offset

SaTpOst

AV:80

If the Supply

Air

Temperature

Sensor is read-

ing incorrectly,

you can use this

option to enter

an offset

temperature to

adjust the

Sensor’s

Temperature.

-100

100

Current

Supply Air

Temperature

Setpoint

SaTpStM

AI: 82

Current SAT

Cooling or

Heating

setpoint if there

is no reset

source;

Current

calculated SAT

setpoint with

Reset Source.

BACnet Properties for the VCB-X Controller

Parameter

Name

Object

Description

Limits

Unoccupied

Cooling

Offset

UnClOst

AV:124

During the

Unoccupied

Mode of

Operation, this

Setpoint offsets

the

Occupied Cool-

ing Setpoint

out by this

user adjust-

able amount.
If you do not

want Cooling to

operate during

the Unoccupied

Mode, use the
default setting

of 30°F for this

setpoint.

0

30

Unoccupied

Heating Offset

UnHtOst

AV:125

During the

Unoccupied

Mode of

Operation, this

Setpoint offsets

the

Occupied

Heating

Setpoint out by

this user adjust-

able amount.
If you do not

want Heating to

operate during

the Unoccupied

Mode, use the
default setting

of 30°F for this

setpoint.

0

30

VFD

Position

VfdBwPos

AI:88

Current

position of the

VFD blower

fan signal.

Remote VFD

Position
Setpoint

FrcFanSp

AV: 266

Override to

force the VFD

to this percent-

age speed.

Confi guring

“Auto” will

restore normal

unit control of

the VFD speed.

0%

100%

Auto=65535

OnBoard

Relay

Status

OnRlys

AI:44

See page 39.

On Board

Relay 1

OnRly1

BI: 127

Current status

of VCB-X

Main Board

relay 1.

Revised 4/3/12

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