73
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
Modbus, BACnet, LonTalk interoperability
OPERATION
Table 73-1:
GTS humidifier LX series 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
Messages
Replace ignitors soon
RW
DV-38
38
BV-38 nvoMsgReplCntctr
See Table 65-1,
Diagnostics menu
--
--
--
--
Service unit
RW
DV-39
39
BV-39 nvoMsgSrviceUnit
Drain pending
RW
DV-40
40
BV-40 nvoMsgDrainPend
No airflow
RW
DV-41
41
BV-41 nvoMsgNoDuctAir
Interlock open
RW
DV-42
42
BV-42 nvoMsgIlockOpen
Freeze drain
RW
DV-43
43
BV-43 nvoMsgFreezDrain
End of season drain active
RW
DV-44
44
BV-44 nvoMsgEOSactive
Temp comp on
RW
DV-45
45
BV-45 nvoMsgTempCompOn
Clean probes
RW
DV-46
46
BV-46 nvoMsgCleanProbe
Duct HL trip
RW
DV-47
47
BV-47 nvoMsgDuctHLtrip
Duct HL span
RW
DV-48
48
BV-48 nvoMsgDuctHLspan
Insufficient water flow
RW
DV-49
49
BV-49 nvoMsgH2Ocutout
Boiling temp calibrated
RW
DV-50
50
BV-50 nvoMsgBoilTempCl
Master enable open
RW
DV-60
60
BV-60 nvoMsgMasterEnb
Notes:
1 . Modbus Input Registers (IR1-IR44) 16 bit read only
Modbus Holding Registers (HR1-HR21) 16 bit read/write
Modbus Discrete Input Registers (DI1-DI7) single bit read only
Modbus Coil Registers (DV1-DV69) single bit read/write
2 . nvi LonTalk SNVTs are write-only; nvo are read-only