Orion-system PT-Link II BACnet2 Manual de usuario descargar pdf (Pagina 43)

PT-Link II Interface

PT-Link II BACnet

®

Technical Guide

43

Appendix F - VCM-X BACnet Parameters

BACnet Properties for the VCM-X Controller

Parameter Name Object Description

Limits

Modulating

Cool

Position

MdClPos AI: 115 Current position of

the modulating

cooling signal

(Chilled water or

digital compressor).

Modulating

Heat

Position

MdHtPos AI: 116 Current position of

the modulating

heating signal (hot

water or SCR heat).

Unit Mode UnitMode AI: 123 See page 47.

Return Air

CO

2

Level

CO2Level AI: 150 Current value of the

CO

2

sensor.

Bypass

Damper

Position

ByPas-

Dmp

AI: 153 Current position of

the bypass damper

signal.

Return

Damper

Position

RaDmp AI: 154 Current position of

the return damper

signal.

Coil

Temperature

CoilTp AI: 181 Current coil

temperature reading

added on version

1.09.

Outdoor Air

CFM

OaCFM AI: 193 Current Outdoor

Airﬂ ow

Measurement

Exhaust

CFM

EtCFM AI: 194 Current Exhaust

Airﬂ ow

Measurement

Supply Air

CFM

SaCFM AI: 195 Current Supply

Airﬂ ow

Measurement

Current

Calculated

OA CFM

setpoint

OACfm-

StM

AI: 205 Current calculated

Outdoor Air CFM

based on CO

2

level.

Dewpoint

Setpoint

DptSt AV: 13 If the outdoor

dewpoint rises

above this setpoint,

the unit will

activate the

Dehumidiﬁ cation

Demand.

35 80

Occupied/

Mode

Enable

Cooling

Setpoint

OcpClSt AV: 42 If the control tem-

perature rises one

degree above this

setpoint, the control

will activate the

cooling demand. If

the control tempera-

ture is the Supply

Air Sensor, then the

cooling demand is

always active.

099

BACnet Properties for the VCM-X Controller

Parameter Name Object Description

Limits

Occupied/

Mode

Enable

Heating

Setpoint

OcpHtSt AV: 43 If the control

temperature drops

one degree below

this setpoint,

the control will

activate the heating

demand. If the

control

temperature

is the Supply Air

Sensor, then there is

no heating demand.

099

Outdoor

Air Sensor

Offset

OaTpOst AV: 53 If the Outdoor

Temperature Sensor

is reading

incorrectly, you can

use this option to

enter an offset

temperature to

adjust the Sensor’s

Temperature.

-100 100

Return

Air Sensor

Offset

RaTpOst AV: 65 If the Return Tem-

perature Sensor is

reading incorrectly,

you can use this

option to enter an

offset temperature

to adjust the Sen-

sor’s Temperature.

-100 100

Schedule

Force

SchdFrc AV: 66 0 = Auto/

Unoccupied Mode

1 = Forced On

2 = Forced Off

02

Space

Sensor

Offset

SpcTpOst AV: 71 If the Space

Temperature

Sensor is reading

incorrectly, you can

use this option to

enter an offset

temperature to

adjust the Sensor’s

Temperature.

-100 100

SAT

Cooling

Setpoint

SaClSt AV: 77 Supply Air Setpoint

in Cooling Mode.

40 80

SAT

Heating

Setpoint

SaHtSt AV: 78 Supply Air Setpoint

in Heating Mode.

40 200

Supply

Air Sensor

Offset

SaTpOst AV: 80 If the Supply Air

Temperature Sensor

is reading incor-

rectly, you can use

this option to enter

an offset

temperature to

adjust the Sensor’s

Temperature.

-100 100

Revised 11/16/10

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 59 60

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