DriSteem Vapor-logic 4 User Manual

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Table 71-1:
Interoperability variable and object names (continued)
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 digital I/O
Airflow_proving_switch RO
DI-1
10001
BI-01 nvoAirflowSwitch 0=Open; 1=Closed
-- -- -- --
Duct_HL_switch RO
DI-2
10002
BI-02 nvoDuctHLswitch 0=Open; 1=Closed
Safety_interlock RO
DI-3
10003
BI-03 nvoSafetyI-lock 0=Open; 1=Closed
Combustion_air_damper_(GTS) RO
DI-4
10004
BI-04 nvoCombustAirDmp
0=Damper Closed;
1=Damper Open
Flue_pressure_switch_(GTS) RO
DI-5
10005
BI-05 nvoFluePressurSw 0=Open; 1=Closed
Power_vent_switch_(GTS) RO
DI-6
10006
BI-06 nvoPowerVentSwch 0=Vent Off; 1=Vent On
XV_header_status_(STS) RO
DI-6
10006
BI-06 nvoPowerVentSwch 0=Ready; 1=Not ready
Low_water_sensor_ (GTS) RO
DI-7
10007
BI-07 nvoLowWaterSensr 0=No Water; 1=Water
Fill_valve RO
DI-8
10008
BO-01 nvoFillValve 0=Closed; 1=Open
Drain_valve RO
DI-9
10009
BO-02 nvoDrainValve
0=Not Draining;
1=Draining
Active_fault_exists RO
DI-10
10010
BI-08
nvoMT_
AlarmSomewhere
0=No; 1=Yes
Active_message_exists RO
DI-11
10011
BI-09
nvoMT_
MsgSomewhere
0=No; 1=Yes
High_water_sensor RO
DI-12
10012
BI-10 nvoXT_highwater1 0=No Water; 1=Water XT systems only
High_water_sensor_2 RO
DI-13
10013
BI-11 nvoXT_Highwater2 0=No Water; 1=Water Right cylinder, 2-cylinder XT systems only
Faults and alarms
Active_messages_exist RO
DV-1
1
BV-01 nvoMessages
Obsolete with firmware
version 2.3.5
-- -- -- --
Active_auto_cleared_alarms_exist RO
DV-2
2
BV-02 nvoAlarms1
Active_manually_cleared_alarms_
exist
RO
DV-3
3
BV-03 nvoAlarms2
Flags all manually
cleared alarms
Clear_all_faults RW
DV-4
4
BV-04 nviClearAllFaults
When set will clear all
active faults
Alarm_tank_temp_sensor_failed RW
DV-5
5
BV-05 nvoAlrmTnkTmpSen See Alarms menu.
Alarm_tank_overtemp RW
DV-6
6
BV-06 nvoAlrmOvertemp See Alarms menu.
Alarm_RH_signal_out_of_range
RW
DV-7
7
BV-07
nvoAlrmRHsignal See Alarms menu.
Alarm_dew_pt_sig_out_of_range nvoAlrmDewPtSgnl See Alarms menu.
* 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