DriSteem Vapor-logic 4, Инструкция по установке и эксплуатации

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Operation
M o d b u s , B A C n e t , L o n Ta l k
i n t e r o p e r a b i l i t y
Table 65-1:
Interoperability variable and object names
Variable name and
BACnet object name Read Only
(RO) or
Read Write
(RW)
Modbus
register
number*
BACnet
Object
Type and
Instance
LonTalk variable
names** Description Units Range
I-P
units
SI units I-P units SI units
Read-only analog variables
Space_RH RO IR-1 AI-01 nvoSpaceRH
Read the relative
humidity content of the
air in the space being
humidified.
% % 0 to 100 0 to 100
Space_dew_point RO IR-2 AI-02 nvoSpaceDewPoint
Read the dew point of
the air in the space being
humidified.
ºF ºC 20 to 80 -6 to 26
Duct_RH RO IR-3 AI-03 nvoDuctRH
Read the relative
humidity content of the
air in the duct.
% % 0 to 100 0 to 100
Steam_demand_mass RO IR-4 AI-04 nvoSteamDmndMass
Read the steam demand
in pounds or kilograms
per hour.
lbs/hr kg/h
0 to
100,000
0 to
100,000
Steam_demand_percent RO IR-5 AI-05 nvoSteamDemand%
Read the steam demand
as a percentage of
the humidifier’s total
capacity.
% % 0 to 100 0 to 100
Aux_temp RO IR-6 AI-06 nvoAuxTemp
Read the temperature of
the auxiliary temperature
sensor.
ºF ºC -20 to 160 -29 to 170
Tank_temp RO IR-7 AI-07 nvoTankTemp
Read the temperature
of the water in the
humidifier’s evaporating
chamber.
ºF ºC
-240 to
265
-151 to
129
Steam_output_mass RO IR-8 AV-1 nvoSteamOutMass
Read the estimated
amount of steam the
humidifier is producing
in pounds or kilograms
per hour.
lbs/hr kg/h
0 to
100,000
0 to
100,000
Steam_output_percent RO IR-9 AV-2 nvoSteamOutput%
Read the estimated
amount of steam the
humidifier is producing
as a percentage of
the humidifier’s total
capacity.
% & 0 to 100 0 to 100
Water_until_ADS RO IR-10 AV-3 nvoWaterUntilADS
Read the pounds or
kilograms of water
remaining to be
converted to steam
before the next
automatic drain
sequence (ADS) cycle.
lbs kg
0 to
2,200,000
0 to
1,000,000
Water_until_service RO IR-11 AV-4 nvoWaterTilSrvc
Read the pounds or
kilograms of water
remaining to be
converted to steam
before the next service
cycle.
lbs kg
0 to
2,200,000
0 to
1,000,000
* See note 1 on Page 69.
** See note 2 on Page 69.
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