The Simplicity®LINC Gateway operates as a Modbus® Client
providing an interface between a BACnet® MS/TP control system
and devices that communicate using the Modbus RTU protocol.
The Simplicity
BACnet Building Automation System (BAS).
The Simplicity
products equipped with Simplicity
4/2/2008 as well as prior Simplicity
Intelli-Comfort™ controllers.
®
LINC allows monitoring and control by a third-party
®
LINC is preconfigured to provide an interface to UP
®
controllers manufactured after
®
Elite™ and Simplicity® with
®
The Simplicity
unit and utilizes 24 VAC power from the unit’s control transformer.
One port is connected to the UP controller. The other port must be
connected to the BACnet MS/TP network.
The Simplicity
operational data points from the controller and expose them on a
BACnet MS/TP network.
NOTE: Not all Simplicity
LINC mounts inside the control panel of the UP
®
LINC Gateway is preconfigured to obtain
®
operating parameters are controlled/
monitored by the Simplicity
®
LINC.
R
C
24 — must be grounded
close to the Simplicity LINC
24V power is polarity sensitive, incorrect
wiring could result in board damage.
FIGURE 1: WIRE CONNECTIONS
®
The shield must be
connected to ground at
each device.
1031990-UAD-A-0313
Page 2
1031990-UAD-A-0313
1
0
4
0
16
0
0
0
21
CONNECTION
The Simplicity®LINC has 2 ports, one for connection to the BAS
network (BACnet) and one to the Simplicity
BACNET NETWORK
The only connection required in the field is to the BACnet (BAS)
network.
NOTE: Proper termination and grounding of the shields must
be observed.
DIP switches A0-A7 on the Simplicity
selection of the MAC Address. The MAC Address identifies the
Simplicity
99. The default DIP switch setting is 1.
A Device Instance (DE) Modifier is used by the Simplicity
and defaulted to 230. The combination of the DE Modifier and
the default DIP switch setting creates a default DE of 23001.
The default Unit Name is YORK_RTU.
®
LINC to other devices and must be between 1 and
MAC Address of 21
1 2 3 4 5 6 7 8
16
32
64
128
1
2
4
8
A0
A1
A2
A3
A4
A5
A6
A7
®
board (Modbus).
®
LINC board allow
ON
®
LINC
DIP switches B0-B3 on the Simplicity
selection of the BACnet transfer speed.The default speed is set
at 38.4k baud. Other speeds can be chosen as shown in Table
1
The UP device communicates with the Simplicity
the Modbus RTU protocol on an RS485 connection. Connection
and addressing of the UP product is completed at the factory.
No further adjustment should be done.
The default Simplicity® board address is 1 and must
remain on address 1 to correctly communicate with
Simplicity
Com/Setup button 3 times in succession.
If a problem arises with the Simplicity
exposed by the Simplicity
controller software can be manipulated using a Microsoft
Windows-based PC with the Simplicity
(downloadable from the UP website). To connect the PC to the
UP controller, a FREEnet USB adaptor (Part No.
S103101967000), which is an RS232 to RS485 adapter, and
FREEnet adapter cable (S102538682000) are required and
available through SOURCE1 (Toll-free at 1-800-536-6112).
Elite Condenser Fan #1 Output Status
(0=output is OFF, 1=output is ON)
Elite Condenser Fan #2 Output Status
Input Status (0=output is OFF, 1=output
is ON)
Elite Fan Overload Switch Input Status
(1=closed, 0=open / fault)
Elite Gas Valve #1 Input Status
(1=energized, 0=not energized)
Elite Gas Valve #2 Input Status
(1=energized, 0=not energized)
Elite Gas Valve #3 Input Status
(1=energized, 0=not energized)
Elite High Pressure Switch for
Compressor #1 Input Status (1=closed,
0=open / fault)
Elite High Pressure Switch for
Compressor #2 Input Status (1=closed,
0=open / fault)
Elite High Pressure Switch for
Compressor #3 Input Status (1=closed,
0=open / fault)
Elite High Pressure Switch for
Compressor #4 Input Status (1=closed,
0=open / fault)
Elite Indoor Fan Output Status
(0=output is OFF, 1=output is ON)
Elite Limit Switch #1 Input Status
(1=closed, 0=open / fault)
Elite Limit Switch #2 Input Status
(1=closed, 0=open / fault)
Elite Limit Switch #3 Input Status
(1=closed, 0=open / fault)
Elite Low Pressure Switch for
Compressor #1 Input Status (1=closed,
0=open / fault)
6Johnson Controls Unitary Products
Page 7
TABLE 2: POINTS LIST IN DESCRIPTION ORDER (CONTINUED)
1031990-UAD-A-0313
Read/
Write
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefault MinMax Point Description
R(5) BI47E_LPS2n/an/an/a
R(5) BI52E_LPS3n/an/an/a
R(5) BI56E_LPS4n/an/an/a
R(2) AI32EXH_DAMP_OUTn/an/an/a
R(5) BI30EX_FAN_STATn/an/an/a
R / W(5) BV10EX_VFD_INSTn/an/an/a
R / W(2) AV91FAN_SPD_1ST_COOL700100
R / W(2) AV92FAN_SPD_1ST_HEAT1000100
R / W(2) AV93FAN_SPD_ALL_COOL1000100
R / W(2) AV94FAN_SPD_ALL_HEAT1000100
R / W(2) AV90FAN_SPD_NO_HEAT_COOL500100
R(5) BI1024_STG_EXP_PRESn/an/an/a
R(5) BI32FRECOOL_STATn/an/an/a
R(5) BI104FREEZE_STAT_1n/an/an/a
R(5) BI105FREEZE_STAT_2n/an/an/a
R(5) BI106FREEZE_STAT_3n/an/an/a
R(5) BI107FREEZE_STAT_4n/an/an/a
R(5) BI68HEAT_1_STATn/an/an/a
R(5) BI69HEAT_2_STATn/an/an/a
R(5) BI70HEAT_3_STATn/an/an/a
R(2) AI76H1_ACCUM_HRSn/an/an/a
R(2) AI77H2_ACCUM_HRSn/an/an/a
R(2) AI78H3_ACCUM_HRSn/an/an/a
R / W(5) BV25HEATING_ENAn/an/an/a
R / W(2) AV27HGR_HUM_STPT500100
R(5) BI18HGR_STATn/an/an/a
Elite Low Pressure Switch for
Compressor #2 Input Status (1=closed,
0=open / fault)
Elite Low Pressure Switch for
Compressor #3 Input Status (1=closed,
0=open / fault)
Elite Low Pressure Switch for
Compressor #4 Input Status (1=closed,
0=open / fault)
Exhaust Damper Output Status (0100%)
Exhaust Fan Output Status (0=output is
OFF, 1=output is ON)
Exhaust VFD Installed
Fan Speed: 1st Stage Cooling
Fan Speed: 1st Stage Heating
Fan Speed: All Stages Cooling
Fan Speed: All Stages Heating
Fan Speed: No Heating No Cooling
Four Stage Expansion board Present
Free Cooling Mode Status (0=comps
not overridden by Econo, 1=comps
overridden)
Freeze Stat # 1
Freeze Stat # 2
Freeze Stat # 3
Freeze Stat # 4
H1 Heating Output #1 Status (0=output
is OFF, 1=output is ON)
H2 Heating Output #2 Status (0=output
is OFF, 1=output is ON)
H3 Heating Output #3 Status (0=output
is OFF, 1=output is ON)
Heating #1 Accumulated Run Time (in
hours)
Heating #2 Accumulated Run Time (in
hours)
Heating #3 Accumulated Run Time (in
hours)
Heating Mode Enabled
Hot Gas Reheat Humidity Setpoint
(percent Humidity)
Hot Gas Reheat Output Status
(0=output is OFF, 1=output is ON)
Johnson Controls Unitary Products7
Page 8
1031990-UAD-A-0313
TABLE 2: POINTS LIST IN DESCRIPTION ORDER (CONTINUED)
Read/
Write
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefault MinMax Point Description
R(2) AI47HGR_VLV_OUTn/an/an/a
R(5) BI66E_FREEZE_STn/an/an/a
R(2) AI55HW_VLV_OUTn/an/an/a
R / W(5) BV2HYDRONC_HEATn/an/an/a
R / W(5) BV3HH_REVER_VLVn/an/an/a
R / W(2) AV62HYD_S1_SA_SP12080180
R / W(2) AV63HYD_S2_SA_SP15081180
R / W(2) AV80IO_DVNT_STPT70002000
R(2) AI45I_C1_ACM_HRSn/an/an/a
R(5) BI73I_COMP1_STATn/an/an/a
R(2) AI46I_C2_ACM_HRSn/an/an/a
R(5) BI76I_COMP2_STATn/an/an/a
R(5) BI79I_CFAN_STATn/an/an/a
R(5) BI72I_FAN_OVERn/an/an/a
R(5) BI82I_FREEZE_1n/an/an/a
R(5) BI83I_FREEZE_2n/an/an/a
R(5) BI80I_GAS_VLVE1n/an/an/a
R(5) BI75I_HPS1n/an/an/a
R(5) BI78I_HPS2n/an/an/a
R(5) BI71I_IFAN_STATn/an/an/a
Hot Gas Reheat Valve Output Status (0100%)
Hot H2O Freeze Thermostat Switch
Input Status (1=closed, 0=open / fault)
Communication Input Enabled
Operating Cooling Setpoint
Operating Heating Setpoint
Johnson Controls Unitary Products9
Page 10
1031990-UAD-A-0313
TABLE 2: POINTS LIST IN DESCRIPTION ORDER (CONTINUED)
Read/
Write
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefault MinMax Point Description
R / W(2) AV69OP_STPT_DIF115
R / W(2) AV74OAT_COOL_L_O450100
R / W(2) AV54OAT_HEAT_L_O750100
R (2) AI11AMB_AIR_ENTHn/an/an/a
R / W(2) AV10AMB_AIR_HUMn/an/an/a
R / W(5) BV37OAH_SENSORn/an/an/a
R / W(2) AV7AMB_TEMPn/an/an/a
R(2) AI9OAQ_VALUEn/a05000
R / W(5) BV8PWR_EX_INSTn/an/an/a
R / W(5) BV20POP_ENABLEDn/an/an/a
R / W(2) AV81POP_HOURS4023
R / W(2) AV82POP_MINUTES0059
R(5) BI17PURGE_SWITCHn/an/an/a
R / W(5) BV12REDLINEn/an/an/a
R(5) BI4REM_CONT_ENAn/an/an/a
R / W(5) BV111REM_CONT_BAS_ECONn/an/an/a
R(2) AI13RET_AIR_ENTHn/an/an/a
R / W(2) AV12RET_AIR_HUMn/an/an/a
R(2) AI5RET_AIR_TEMPn/an/an/a
R / W(5) BV38RAH_SENSORn/an/an/a
R / W(2) AV6SPACE_TEMPn/an/an/a
R / W(2) AV71SPCE_ALM_TMP0025
R / W(2) AV72SPCE_ALM_TIM00120
R / W(5) BV26SEN_FAULT_ENn/an/an/a
R / W(2) AV73SP_OFF_RANGE305
R(2) AI4SUP_AIR_TEMPn/an/an/a
R / W(2) AV70SAT_ALM_COOL0080
R / W(2) AV53SAT_ALM_HEAT00120
R / W(5) BV22SAT_COOLINGn/an/an/a
R / W(2) AV3SAT_COOL_SP504065
Operating Setpoint Differential
Outdoor Air Temperature Cooling
Lockout Temperature
Outdoor Air Temperature
HeatingLockout Temperature
Outside Air Enthalpy
Outside Air Humidity
Outside Air Humidity Sensor Enabled
Outside Air Temperature
Outside Demand Ventilation (OAQ)
Value (PPM)
Power Exhaust Installed
Pre-Occupancy Purge Enabled
Pre-Occupancy Purge Time (hours)
Pre-Occupancy Purge Time (minutes)
Purge Switch Status (0=open,1=closed)
Redline (0=clear redline, 1=set redline
operation)
Remote Control Enabled
Remote Control Third Party BAS
Economizer Enable
Return Air Enthalpy
Return Air Humidity
Return Air Temperature
Return/Inside Air Humidity Sensor
Enabled
Space (Indoor) Air Temperature
Space Sensor Alarm Temperature
(degrees F, 0 = disabled)
Space Sensor Alarm Time (minutes F, 0
= disabled)
Space Sensor Fault Override
(Construction Mode) Enabled
Space Temprature Sensor Offset Range
(0-5 degrees)
Supply Air Temperature
Supply Air Temperature Alarm Setpoint
for Cooling
Supply Air Temperature Alarm Setpoint
for Heating
Supply Air Temperature Limit for
Cooling Enabled
Supply Air Temperature Limit for
Cooling Setpoint (degrees F)
10Johnson Controls Unitary Products
Page 11
TABLE 2: POINTS LIST IN DESCRIPTION ORDER (CONTINUED)
1031990-UAD-A-0313
Read/
Write
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefault MinMax Point Description
R / W(5) BV24SAT_HEATINGn/an/an/a
R / W(2) AV52SAT_HEAT_SP135100180
R(2) AI34SFAN_VFD_OUTn/an/an/a
R(2) AI36ALARM_1n/an/an/a
R(2) AI37ALARM_2n/an/an/a
R(2) AI38ALARM_3n/an/an/a
R(2) AI39ALARM_4n/an/an/a
R(2) AI40ALARM_5n/an/an/a
R / W(2) AV29TH_OFFSET5110
R / W(2) AV26TEM_HUM_STPT502080
R / W(5) BV97THERMO_CONTROLn/an/an/a
R / W(5) BV67FAN_HEATn/an/an/a
R / W(2) AV2UNOC_COOL_SP854699
R / W(2) AV51UNOC_HEAT_SP604598
R / W(2) AV75UNOC_OVR_TP600240
R(5) BI103VAV_INTELLI_2_PRESn/an/an/a
R / W(2) AV65VAV_CL_LO_SP554069
R / W(2) AV66VAV_SAT_RSET724085
R / W(2) AV64VAV_CL_HI_SP604170
R / W(5) BV5VAV_OCC_HEATn/an/an/a
R / W(2) AV60VAV_OHEAT_SP684085
R / W(5) BV96VAV_UNOCC_HEATn/an/an/a
Supply Air Temperature Limit for
Heating Enabled
Supply Air Temperature Limit for
Heating Setpoint (degrees F)
Supply Fan VFD Output Status (0100%)
System Alarm #1
System Alarm #2
System Alarm #3
System Alarm #4
System Alarm #5
Temperature / Humidity % Humidity that
= 1°F of Offset
Temperature / Humidity Setpoint
(percent Humidity)
Thermostat Only Control Enable
Turn OFF Continuous Fan when
Starting Heat Enabled (0=Continuous
Fan ON)
Un-Occupied Cooling Setpoint
Un-Occupied Heating Setpoint
Unoccupied Override Time Period
VAV / Intelli-Comfort 2 Expansion Board
Present
VAV Cooling Supply Air Temperature:
Lower Setpoint (degrees F)
VAV Cooling Supply Air Temperature:
Reset Setpoint (Space
Temperature)(degrees F)
VAV Cooling Supply Air Temperature:
Upper Setpoint (degrees F)
R / W(2) AV1OCC_COOL_SP724699
R / W(2) AV2UNOC_COOL_SP854699
R / W(2) AV3SAT_COOL_SP504065
R(2) AI4SUP_AIR_TEMPn/an/an/a
R(2) AI5RET_AIR_TEMPn/an/an/a
R / W(2) AV6SPACE_TEMPn/an/an/a
R / W(2) AV7AMB_TEMPn/an/an/a
R / W(2) AV8IAQ_VALUEn/a05000
R(2) AI9OAQ_VALUEn/a05000
R / W(2) AV10AMB_AIR_HUMn/an/an/a
R (2) AI11AMB_AIR_ENTHn/a n/an/a
R / W(2) AV12RET_AIR_HUMn/an/an/a
R(2) AI13RET_AIR_ENTHn/an/an/a
R / W(2) AV14ACC_OVER_TMEn/an/an/a
R(2) AI15ACTIVE_ALARMn/an/an/a
R(2) AI16NUMBER_COMPS24
R(2) AI17OP_COOL_STPTn/an/an/a
R / W(2) AV18DEMVENT_STPT100005000
R / W(2) AV19ECON_MIN_POS200100
R / W(2) AV20ECO_1ST_STPT554065
R / W(2) AV21ECO_2ND_STPT504065
R / W(2) AV22ECON_OAEN_SP271050
R / W(2) AV23ECON_OAT_ENA554080
R / W(2) AV24COM_V_HI_SP806585
R / W(2) AV25COM_V_LOW_SP706080
R / W(2) AV26TEM_HUM_STPT502080
R / W(2) AV27HGR_HUM_STPT500100
R / W(2) AV28MAX_TH_OFSET305
Occupied Cooling Setpoint
Un-Occupied Cooling Setpoint
Supply Air Temperature Limit for
Cooling Setpoint (degrees F)
Supply Air Temperature
Return Air Temperature
Space (Indoor) Air Temperature
Outside Air Temperature
Demand Ventilation (IAQ) Value (PPM)
Outside Demand Ventilation (OAQ)
Value (PPM)
Outside Air Humidity
Outside Air Enthalpy
Return Air Humidity
Return Air Enthalpy
Accumulated Unoccupied Override
Time (in hours)
Active Alarm
Number of Compressors Available
Operating Cooling Setpoint
Demand Ventilation Setpoint
Economizer Minimum Position
Economizer First Stage Setpoint
Economizer Second Stage Setpoint
Economizer Outside Air Enthalpy
R(5) BI85ALARM_1_ONn/an/an/aAlarm Buffer #1 (0=Alarm has cleared,
R(5) BI86ALARM_2_ONn/an/an/aAlarm Buffer #2 (0=Alarm has cleared,
R(5) BI87ALARM_3_ONn/an/an/aAlarm Buffer #3 (0=Alarm has cleared,
R(5) BI88ALARM_4_ONn/an/an/aAlarm Buffer #4 (0=Alarm has cleared,
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefaultMinMaxPoint Description
Status (0=output is OFF, 1=output is
ON)
Input Status (0=open,1=closed)
Status (0=output is OFF, 1=output is
ON)
Compressor #1 Input Status (1=closed,
0=open / fault)
for Compressor #1 Input Status
(1=closed, 0=open / fault)
Status (0=output is OFF, 1=output is
ON)
Compressor #2 Input Status (1=closed,
0=open / fault)
for Compressor #2 Input Status
(1=closed, 0=open / fault)
Status (0=output is OFF, 1=output is
ON)
Status
Status
Switch #1 Input Status
(0=open,1=closed)
Switch #2 Input Status
(0=open,1=closed)
1=Alarm is still active)
1=Alarm is still active)
1=Alarm is still active)
1=Alarm is still active)
Johnson Controls Unitary Products19
Page 20
1031990-UAD-A-0313
TABLE 3: POINTS LIST IN OBJECT ORDER (CONTINUED)
Read/
Write
R(5) BI89ALARM_5_ONn/an/an/aAlarm Buffer #5 (0=Alarm has cleared,
R / W(5) BV90DF_SW_INSTn/an/an/aDirty Filter Switch Installed
R / W(5) BV93OCC_COMS_ENAn/an/an/aOccupied Thermostat or
R / W(5) BV96VAV_UNOCC_HEATn/an/an/aVAV Unoccupied Heating Enabled
R / W(5) BV97THERMO_CONTROLn/an/an/aThermostat Only Control Enable
R / W(5) BV98DIFF_ENTH_MODEn/an/an/aDifferential enthalpy mode enabled
R / W(5) BV99COMM_RHn/an/an/aAccept Comm Value for RH
R / W(5) BV100COMM_OHn/an/an/aAccept Comm Value for OH
R / W(5) BV101COMM_OATn/an/an/aAccept Comm Value for OAT
R(5) BI107FREEZE_STAT_4n/an/an/aFreeze Stat # 4
R / W(5) BV108COMM_STn/an/an/aAccept Comm Value for Space
R / W(5) BV109COMM_IAQn/an/an/aAccept Comm Value for Indoor Quality
R / W(5) BV110MIN_AMB_SENn/an/an/aMinimum Outdoor Air Sensor Enabled
R / W(5) BV111REM_CONT_BAS_ECO
BACnet
Object
Type
BACnet
Object
Inst
DescriptorDefaultMinMaxPoint Description
1=Alarm is still active)
Communication Input Enabled
Board Present
Temperature
Sensor
n/an/an/aRemote Control Third Party BAS
N
Economizer Enable
20Johnson Controls Unitary Products
Page 21
TROUBLESHOOTING
TABLE 4: SIMPLICITY®LINC GATEWAY LED TROUBLESHOOTING
LightDescription
PWRThis is the power light and should show steady green at all times when the Simplicity Linc is powered.
1031990-UAD-A-0313
SYS ERROR
COMM
ERROR
Config
ERROR
Node Offline
Unused15 seconds after powering up the 4 unused LEDs will turn on solid for 5 seconds, then turn off.
RXOn normal operation of Simplicity Linc, the RX LED will flash when a message is received on the field port.
TXOn normal operation of Simplicity Linc, the TX LED will flash when a message is sent on the field port.
RUN
Power Source24 ± 15% VAC (Obtained from the Roof Top Unit)
Frequency45 to 65 HZ
Power ConsumptionNominal >2 VA
Operating Environment-40 to 160° F (-40 to 70° C) 10 to 95% non-condensing
Size (H x W x D)5.0 x 2.4 x 1.8 in. (128 x 61 x 45.75 cm)
Weight0.2 lb. (0.09 kg)
The SYS ERR LED will go on solid 15 seconds after power up. It will turn off after 5 seconds. A steady red light will
indicate there is a system error on the Simplicity Linc. If this occurs, contact UP Tech Services at 1-877-874-7378
COMM ERR LED will go on solid 15 seconds after power up. It will turn off after 5 seconds. A steady red light will
indicate the communications problem if there is a configured node connected to the Simplicity Linc that is offline.
Config ERR LED will go on solid 15 seconds after power up. It will turn off after 5 seconds. A steady amber light will
indicate a configuration error exists in the active configuration. If this occurs, contact UP Tech Services at 1-877874-7378
Node Offline LED will go on solid 15 seconds after power up. It will turn off after 5 seconds. If the Node Offline LED
stays on solid, a node offline condition has occurred.
RUN LED will flash 20 seconds after power up, signifying normal operation. During the first 20 seconds, the LED
should be off.