JOHNSON CONTROLS
144
FORM 100.50-NOM12
ISSUE DATE: 04/02/2019
SECTION 6 – USER INTERFACE CONTROL CENTER
“P4 PARITY”
“P4 PROTOCOL”
“P4 STOP BITS”
Table 53 on page 144 gives the BACnet name, BAC-
net Object Type and Instance, and the Modbus Register
Address for the available communication points.
Any time a change is made to the MAC ad-
dress using the DIP switches or a change
to the above communication parameters
using the SERVICE key of the User In-
terface the main power to the unit must be
cycled OFF and back ON to change the
value in memory.
TABLE 53 - BACNET MS/TP, MODBUS, BACNET IP
BACNET
NAME
USER INTERFACE
NAME
READ/
WRITE
BACNET
OBJECT
TYPE AND
INSTANCE
MODBUS
REGISTER
ADDRESS
POINTS LIST DESCRIPTION
ACT_DSP_SP
Duct Static Press
Active Sp
R AI01 514
Displays The Active Duct Static Press Sp
("W.C.)
ACT_MIN_
FLOW
Active Minimum
Airow
R AI02 515
Displays The Min Ventilation Air (CFM) Sp
When The Unit Has An Air Flow Monitoring
Station
ACT_MIN_POS
Active Minimum
Position
R AI03 516
Displays The Min OA Damper Position (%)
When The Unit Is Fixed Min Vent Control
ACT_SAT_SP
Active Supply Air
Temp Sp
R AI04 517 Displays The Active Supply Air Temp Sp
ACT_SLAB_
CTL
Active Slab Control
(FlexSys Only)
R/W AV77 BV01 1102
Allows The Active Slab Control To Be
Turned On/Off 0=Off 1=On
AMORN_WA_
ACT
Adaptive Morning
Warmup Status
(Only Used With
Internal Time Clock)
R BI01
Displays The Status Of The Adaptive
Morning Warm-Up
BLD_STAT_
PRS
Building Pressure
Current
R AI05 518
Displays The Current Building Press
("W.C.)
BULD_PRES_
SP
Bldg Press Sp R/W AV01 1026
Displays The Active Building Pressure Sp
("W.C.)
BYPASS_
DAMPER
Bypass Damper
Position (FlexSys
Only)
R AI06 519
Displays The Actual Bypass Damper
Position (%)
CO2_1_OUT
CO
2
Level Of The
Outside Air
R AI07 520 Displays The Actual OA Air CO
2
(PPM)
CO2_2_IN
CO
2
Level Of The
Inside Air
R AI08 521 Displays The Actual RA Air CO
2
(PPM)
CO2_INSIDE
CO
2
LVL Inside
Value BAS
R/W AV43 1168
A BAS Entered Value For The Inside CO
2
Level. "CO
2
LVL Inside BAS" Must Be
Enabled Using The Service Key In Order
To Use This Point (CO
2
)
CO2_OFFSET CO
2
Offset Sp R/W AV02 1027
Displays The Value (PPM) That The Indoor
CO
2
Must Rise Above The Outside CO
2
To
Activate Demand Ventilation
COL/HEAT_FLT
Cooling/Heating
Fault Status
R BI02 1283
Displays The Status Of The Cooling Or
Heating System. 0=No Fault 1=Fault
COMFORT_
VENT
Comfort Ventilation
(Constant Volume)
R/W AV78 BV02 1103
Displays The Status Of The Comfort Vent
Option And Allow It To Be Turned On/Off:
0=Off 1=On
COMP_1A
Compressor 1A
Status
R BI03 1284
Displays The Status Of Comp 1A: 0=Off
1=On