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63
63
Point
Description
Variable
ModBUS
Address
BACnet
ID
Datatype
Read /
Write
Comment
Conductivity
Differential Setpoint
UnitLogic.BMSWtrCond-
DiffStPt
40909
1603
REAL
Read /
Write
µΩ/cm, Increase (decrease)
value to decrease (increase)
frequency of bleed
Conductivity Enable
BMS_WMCondEnble
902
1302
BOOL
Read /
Write
Enable / disable conductivi-
ty-based bleed
Fluid Temp Setpoint
BMSLWTStPt
40911
1601
REAL
Read /
Write
Leaving process fluid
setpoint
Unit Status
UnitStatus
30907
1402
DINT
Read
On / Off
BAC Unit Number
BACUnitNo
30905
1405
UDINT
Read
Uxxx
Water management
Time Bleed Enable
BMS_WMTmBleedEnble
903
1303
BOOL
Read /
Write
Enable / disable time-based
bleed
Water management
Time Drain Enable
BMS_WMDrainEnble
904
1304
BOOL
Read /
Write
Enable / disable time-based
drain
Water Management
Time Bleed
BMS_WMTimeBleed
40913
1702
UINT
Read /
Write
Hrs, Frequency of time-
based bleed
Water Management
Time Bleed Limit
BMS_WMTimeBleedLmt
40914
1703
UINT
Read /
Write
Min, Duration of time-based
bleed
Water management
Time Drain
BMS_WMTimeDrain
40915
1704
UINT
Read /
Write
Hrs, Frequency of time-
based drain
BMS Unit Command
OnOffUnitMng.BMSOnOff
901
1301
BOOL
Read /
Write
Enables BMS communica-
tion
Customer Input Enable
BMS_CustomerEnable
905
1305
BOOL
Read /
Write
Enables equipment opera-
tion via BMS communication
Customer Input Type
Inputs.BMS_Cust_Typ
906
1306
BOOL
Read /
Write
0..10V or 4..20mA
Customer Input Reverse
Inputs.BMS_Cust_Typ_
Rev
907
1307
BOOL
Read /
Write
10V..0V
PCD Alarm
Al_PCDHoodAlm
10353
1253
BOOL
Read
Alarm for PCD fault
Nexus Max speed limita-
tion
BMSNexusLmt
40916
1705
UINT
Read /
Write
Maximum allowable speed
for modules operating dry;
decrease (increase) for
energy (water) savings
Water Saver Winter
Guard Enable
BMSWinterGuard
911
1311
BOOL
Read /
Write
Enable (disable) to allow
(disallow) wet operation to
meet demand
PumpStatus 1..6
PumpX.PVal
10801..10806
1801..1806
BOOL
Read
On / Off
Pump Fault 1..6
Al_PumpXFault.Active
10807..10812
1807..1812
BOOL
Read
Alarm for pump fault
Point
Description
Variable
ModBUS
Address
BACnet
ID
Datatype
Read /
Write
Comment
Unit of Measure BMS
BMS_UnitofMeasure
40922
1710
USINT
Read /
Write
Unit of measure
Alarm Reset
AlarmMng.AlrmResBy-
Bms
912
1312
BOOL
Read /
Write
Manual reset of alarms
Energy Saver Mode
Message
Al_EnergySavingMode.
Active
10341
1241
BOOL
Read
Heat load cannot be met
Nexus Mode Dry
Message
Al_DryWetModeDryAlm.
Active
10342
1242
BOOL
Read
Heat load cannot be met
when all modules operate
dry
Nexus Mode Wet
Message
Al_DryWetModeWetAlm.
Active
10343
1243
BOOL
Read
Heat load cannot be met
when all modules operate
wet
Water saver Mode
Message
Al_DryMode.Active
10344
1244
BOOL
Read
Heat load cannot be met
when all modules operate
wet
Water High level
Message
Al_WaterHighLvl.Active
10345
1245
BOOL
Read
Water level is too high
Water Low Level Alarm
Al_WaterLowLvl.Active
10346
1246
BOOL
Read
Water level is too low
Cold Weather Active
Alarm
Al_ColdWeatherActive.
Active
10348
1248
BOOL
Read
Equipment has switched
to dry mode (below
35°F/1.7°C, when operating
wet
Leaving Water Temp
High Message
Al_LvgWaterTempHigh.
Active
10349
1249
BOOL
Read
Leaving water temperature
is above 120
°
F (48.9
°
C)
Leaving Water Temp
Low Alarm
Al_LvgWaterTempLow.
Active
10350
1250
BOOL
Read
Leaving water temperature
is below 32
°
F (O°C)
Single cell Critical
Message
AL_FanCritical.Active
10352
1252
BOOL
Read
One module is operating
to maintain required heat
rejection
Low UV Transmissivity
Alarm
Al_LowUVtransmissivity
10354
1254
BOOL
Read
Alarm for Low UV
Transmissivity
No UV Transmissivity
Alarm
Al_NoUVtransmissivity
10355
1255
BOOL
Read
Alarm for No UV
Transmissivity
Low UV Recirculating
Pump Current
Al_LowUVrecircPumpCurr
10356
1256
BOOL
Read
Alarm for Low UV
Recirculation Pump Current
Appendix: iPilot
®
Control System
Software Menus
Alarm Logs (Record)
Table 15.
BMS Points Table (Continued)