FieldServer LonWorks ProtoNode - Page 64

Page 64 of 97 PN: 106417-05
from the Energy Management
System (EMS). If the EMS does
not write to the following register
within the “Modbus Command
timeout” seconds the following
inputs are considered invalid:
CH Modbus Stat,
CH Modbus Setpoint,
CH Sequencer Modbus Setpoint
CH Modbus Rate
range 30 – 120, Default 30
seconds
Other R/W registers should only
be written when a value is needed
to be changed. Only the above
listed registers are stored in non-
volatile registers.
CH pump status
See Pump Status Codes below
400,096
nvoCHPmpStat_XXX
SNVT_count_f
DHW pump status
See Pump Status Codes below
400,100
nvoDHWPmpSt_XXX
SNVT_count_f
Boiler pump status
See Pump Status Codes below
400,108
nvoBlrPmpSt_XXX
SNVT_count_f
Low Temp SP
Setpoint entered on the local user
interface.
valid range 79 F (26.1 C) to 191 F
(88.3 C)
410,643
nvoLoTmpSP_XXX
SNVT_temp_p
Low TempSP source
0=Unknown,
1=Normal setpoint,
2=TOD setpoint,
3=Outdoor reset,
4=Remote control,
7=Outdoor reset time of day,
9=Outdoor boost
410,121
nvoLoTmpSPSr_XXX
SNVT_count_f
Active Low Temp SP
-40 F (-40°C) to 266 F (130°C)
Setpoint determined by Low Temp
setpoint source (register 121).
410,024
nvoActLoTpSP_XXX
SNVT_temp_p
CH heat demand
0=Off, 1=On
400,066
nvoCH_HtDem_XXX
SNVT_switch
DHW heat demand
0=Off, 1=On
400,083
nvoDHW_HtDem_XXX
SNVT_switch
Low Temp Loop
demand
0=Off, 1=On
400,123
nvoLoTpLHtDm_XXX
SNVT_switch
Table 12-4: Pump Status Codes
Status
Description
92
Forced On from manual pump control
93
Forced On due to Outlet high limit is active
94
Forced On from burner demand
95
Forced On due to Lead Lag slave has demand
96
Forced Off from local DHW priority service
97
Forced Off from Lead Lag DHW priority service
98
Forced Off from Central Heat anti-condensation
99
Forced Off from DHW anti-condensation
100
Forced Off due to DHW high limit is active
101
Forced Off from EnviraCOM DHW priority service
102
On due to local CH frost protection is active
103
On due to Lead Lag CH frost protection is active
104
On due to local DHW frost protection is active
105
On due to Lead Lag DHW frost protection is active
106
On from local Central Heat demand
107
On from Lead Lag Central Heat demand
108
On from local DHW demand
109
On from Lead Lag DHW demand