DriSteem Vapor-logic 4 User Manual

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Table 71-1:
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
30001
AI-01 nvoSpaceRH
Relative humidity
content of the air in the
space being humidified.
% % 0 to 100 0 to 100
Space_dew_point RO
IR-2
30002
AI-02 nvoSpaceDewPoint
Dew point of the air
in the space being
humidified.
ºF ºC 20 to 80 -6 to 26
Duct_RH RO
IR-3
30003
AI-03 nvoDuctRH
Relative humidity
content of the air in the
duct.
% % 0 to 100 0 to 100
Steam_demand_mass RO
IR-4
30004
AI-04 nvoSteamDmndMass
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
30005
AI-05 nvoSteamDemand%
Steam demand as a
percentage of the
humidifier’s total
capacity.
% % 0 to 100 0 to 100
Aux_temp RO
IR-6
30006
AI-06 nvoAuxTemp
Temperature of the
auxiliary temperature
sensor.
ºF ºC -20 to 160 -29 to 170
Tank_temp RO
IR-7
30007
AI-07 nvoTankTemp
Temperature of the
water in the humidifier’s
evaporating chamber.
ºF ºC
-240 to
265
-151 to
129
Steam_output_mass RO
IR-8
30008
AV-1 nvoSteamOutMass
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
30009
AV-2 nvoSteamOutput%
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
30010
AV-3 nvoWaterUntilADS
Pounds or kilograms
of water remaining
to be converted to
steam before the
next automatic drain
sequence (ADS) cycle.
100
lbs
100
kg
0 to
2,200,000
0 to
1,000,000
Water_until_service RO
IR-11
30011
AV-4 nvoWaterTilSrvc
Pounds or kilograms
of water remaining to
be converted to steam
before the next service
cycle.
100
lbs
100
kg
0 to
2,200,000
0 to
1,000,000
Current_1
(XT systems only)
RO
IR-26
30026
AI-10 nvoXT_current1 XT operating current Amps Amps 0 to 100 0 to 100
Current_2
(XT systems only)
RO
IR-27
30027
AI-11 nvoXT_current2
XT operating current,
right cylinder
Amps Amps 0 to 100 0 to 100
* See Note 1 on Page 76.
** See Note 2 on Page 76.
Continued
Operation

DriSteem Vapor-logic 4 Specifications

General

Brand	DriSteem
Model	Vapor-logic 4
Category	Controller
Language	English