Orion-system PT-Link II BACnet3 Manual de usuario descargar pdf (Pagina 39)

PT-Link II BACnet3 Interface

7. PARAMETER TABLES

39

BACnet Properties for the VCB-X Controller

Param-

eter

Name Object Description

Limits

Low Sup-

ply Air

Tempera-

ture Alarm

LoSaAlm BI: 37 The Supply Air

has fallen below

the Low SAT

Cutoff Setpoint

and cooling

stages will begin

to deactivate.

If the unit is in

Economizer,

Vent, or Heating

Mode the Supply

Fan will shut off.

Supply Air

Cooling

Setpoint

SaClSt AV:77 Supply Air Cool-

ing Setpoint. If

Supply Air Reset

is conﬁ gured,

this is the Low

SAT Cooling

Reset Value.

30 80

Supply Air

Cool High

Reset

SaClRt AV: 324 If Supply Air Re-

set is conﬁ gured,

this is the High

SAT Cooling

Reset Value.

0 100

Supply Air

Heat High

Reset

SaHtRt AV: 325 If Supply Air Re-

set is conﬁ gured,

this is the High

SAT Heating

Reset Value.

0 250

Supply Air

Heating

Setpoint

SaHtSt AV:78 Supply Air Heat-

ing Setpoint. If

Supply Air Reset

is conﬁ gured,

this is the Low

SAT Heating

Reset Value.

40 240

Supply Air

Tempera-

ture

SaTp AI:83 Current value of

the Supply Air

Temperature

Sensor.

Bad

Supply Air

Tempera-

ture Sensor

SaTpAlm BI: 2 Indicates a fail-

ure of the Supply

Air Temperature

Sensor.

Low

Supply

Air Temp

Cutoff

LoSaCf AV: 344 Cooling will be

disabled if the

Supply Air Tem-

perature falls

below this value.

See sequence for

more details.

0 100

High

Supply

Air Temp

Cutoff

HiSaCf AV: 345 Heating will be

disabled if the

Supply Air Tem-

perature rises

above this value.

See sequence for

more details.

0

250

BACnet Properties for the VCB-X Controller

Param-

eter

Name Object Description

Limits

Smoke

Alarm /

Emergency

Shutdown

SmokeAlm BI: 119 Indicates the

Smoke sensor

has been acti-

vated. This will

shut down the

unit.

Space

Tempera-

ture

SpcTp AI:72 Current value of

the space tem-

perature sensor.

Space

Tempera-

ture Offset

SpcTpOst AV:71 If the Space

Temperature

Sensor is reading

incorrectly, use

this option to

enter an offset

to adjust the

Sensor’s

Temperature.

-100 100

Space

Tempera-

ture Sensor

Lost

SpcTpAlm BI: 101 Indicates

a failure of the

Space Tempera-

ture Sensor.

Static

Pressure

StaticPr AI:270 Current Static

Pressure.

Static

Pressure

Setpoint

StatPrSt AV:290 Current Static

Pressure

Setpoint.

.10 3.0

Static

Pressure

Setpoint

Deadband

DuctPrDb AV:357 Value above and

below the Duct

Static Pressure

Setpoint where

no control

change occurs.

.01 0.5

Suction

Pressure

SucPr AI: 333 Current Suction

Pressure value.

High

Suction

Pressure

Alarm

HiSucPr BI: 352 Indicates

Suction Pressure

is above the

High Suction

Pressure Cool-

ing (Heating)

Setpoint.

Low

Suction

Pressure

Alarm

LoSucPr BI: 383 Indicates

Suction Pressure

is below the Low

Suction Pressure

Cooling (Heat-

ing) Setpoint.

Supply Air

CFM

SaCFM AI:195 Current Supply

Airﬂ ow

Measurement.

High

Supply Air

Tempera-

ture Alarm

HiSaAlm BI: 33 The Supply Air

has risen above

the High SAT

Cutof

f Setpoint.

Heating stages

begin to deacti-

vate and the fan

continues to run.

7.1 VCB-X BACnet Parameters

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