Carrier Omnizone 50BVC Installation, Start-Up, Service And Controls Operation And Troubleshooting page 85

PROTOCOL MAP
READ/
DISPLAY NAME
WRITE
HP2 R Discrete Input
HP3 R Discrete Input
HP4 R Discrete Input
INPUT_LOCK R Discrete Input
Loop Enabled R/W
LOW SP R Discrete Input
LP1 R Discrete Input
LP2 R Discrete Input
LP3 R Discrete Input
LP4 R Discrete Input
LVG_HI R Discrete Input
LVG_LO R Discrete Input
LVG_SENS_FAIL R Discrete Input
Input Register
Mode Status R
Holding Regis-
OAT Reset R/W
Holding Regis-
OAT Reset 2 R/W
Table 66 — Integration Points List (cont)
MODBUS
REGISTER REGISTER REFERENCE
TYPE NUMBER NAME
44 hp2_2st
45 hp3_3st
46 hp4_4st
47 input_lock
Coil 9 loop_enabled
sta_-
48
press_low
49 lp1_2st
50 lp2_2st
51 lp3_3st
52 lp4_4st
53 lvg_hi
54 lvg_lo
55 lvg_sen
33 mode_status
(Float)
21 oat_reset1
ter (Float)
23 oat_reset2
ter (Float)
BACNET
OBJECT OBJECT
NV NAME
TYPE ID
nvoHp2Ala
BV 52
rm
nvoHp3Ala
BV 7
rm
nvoHp4Ala
BV 54
rm
BV 38
nviLoopEn
BV 23
a
BV 81
nvoLp1Ala
BV 4
rm
nvoLp2Ala
BV 53
rm
nvoLp3Ala
BV 6
rm
nvoLp4Ala
BV 55
rm
BV 32
BV 33
BV 34
nvo-
AV 24 ModeSta-
tus
nviO-
AV 80
atReset1
nviO-
AV 72
atReset2
85
LONWORKS OPERATION
SNVT DESCRIPTION
UPM Board 2 High Pres-
sure Alarm Status for
Compressor 3
SNVT_switch(95)
0 = Normal
1 = Active High Pressure
3 Alarm
UPM Board 1 High Pres-
sure Alarm Status for
Compressor 2
SNVT_switch(95)
0 = Normal
1 = High Pressure 2
Alarm
UPM Board 2 High Pres-
sure Alarm Status for
Compressor 4
SNVT_switch(95)
0 = Normal
1 = High Pressure 4
Alarm
Network Parameter to
set INPUT LOCK
Select 0 = Hardwired Sensor
(Default)
1 = BAS Sensor Value
Network Parameter to
set Loop Enabled
SNVT_switch(95) 0 = Hardwired Sensor
(Default)
1 = BAS Sensor Value
Network Parameter to
set LOW SP
Select 0 = Single LOW Value
1 = Multiple LOW Values
(Default)
UPM Board 1 Low Pres-
sure Alarm Status for
SNVT_switch(95) Compressor 1
0 = Normal
1 = LP1 Alarm Active
UPM Board 2 Low Pres-
sure Alarm Status for
SNVT_switch(95) Compressor 3
0 = Normal
1 = LP3 Alarm Active
UPM Board 1 Low Pres-
sure Alarm Status for
SNVT_switch(95) Compressor 2
0 = Normal
1 = LP2 Alarm Active
UPM Board 2 Low Pres-
sure Alarm Status for
SNVT_switch(95) Compressor 4
0 = Normal
1 = LP4 Alarm Active
Leaving Water Tempera-
ture Alarm (High)
Select 0 = Normal
1 = High LWT Alarm
Active (Default: >135 °F)
Leaving Water Tempera-
ture (LWT) Alarm (Low)
Select 0 = Normal
1 = Low LWT Alarm
Active (Default: <33 °F)
Leaving Water Tempera-
ture Alarm (Sensor)
0 = Normal
Select
1 = Sensor Failure
(Check Sensor Hardware
Configuration)
Unit Mode of Operation
Selection Status
SNVT_count_inc(
0 = Cooling only
9)
5 = Cooling + Hot Gas
Re-Heat
Outside Air Temperature
SNVT_count_inc( (Free Cooling) Opera-
9) tion in °F
Default: 50 °F
Outside Air Temperature
SNVT_count_inc( (Stage 1 Cooling) Opera-
9) tion in °F
Default: 60 °F