Honeywell TB7200 Thermostat User Manual

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BACnet Integration Manual for  
TB7200 & TB7300 Series  
Thermostats  
INTEGRATION MANUAL  
More information  
The additional following documentation is available on  
http://customer.honeywell.com.  
TB7200 Series Installation Instructions (form number 62-  
019).  
TB7300 Series Installation Instructions (form number 62-  
018).  
PIR Application Guide for TB7200 and TB7300 Series  
Thermostats (form number 63-4526).  
2
2
TB7300 Series  
Thermostat with  
Occupancy Sensor  
TB7200 Series  
Thermostat  
Contents  
PRODUCT OVERVIEW  
Product Overview .............................................................1  
Compatibility .....................................................................2  
Tips and Things You Need To Know .................................2  
Wiring Guidelines .............................................................3  
Network Configuration ......................................................5  
Network Adapter ...............................................................8  
Integration ........................................................................9  
Troubleshooting ................................................................14  
Appendix ..........................................................................15  
BACnet Objects Supported ..............................................16  
The TB7200 Series PI thermostats are designed for zoning  
applications, and the TB7300 Series PI thermostats are  
designed for fan coil control. Both Series are communicating  
®
thermostats with models available in BACnet MS/TP and  
®
ZigBee wireless mesh protocols and can be easily  
integrated into a WEBs-AX building automation system based  
®
on the NiagaraAX platform.  
TB7200 and TB7300 Series thermostats are compatible with  
the Honeywell Occupancy Sensor Cover. Thermostats  
equipped with an occupancy sensor cover provide advanced  
active occupancy logic, which will automatically switch  
occupancy levels from Occupied to Stand-By and Unoccupied  
as required by local activity being present or not. This  
advanced occupancy functionality provides advantageous  
energy savings during occupied hours without sacrificing  
occupant comfort. All thermostats can be ordered with or  
without a factory installed PIR cover.  
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COMPATIBILITY  
Honeywell TB7200 and TB7300 Series thermostat compatiblity information is provided in Table 1.  
Table 1. TB7200 Series and TB7300 Series Thermostat Compatibility Information  
WEBs-AX Controller  
WEB-2xx  
Thermostats Per Controller*  
126  
WEBStation-AX  
3.0 or later  
3.0 or later  
3.5  
WEB-6xx  
WEB-7xx  
126  
126  
*
128 total devices supported. One node used by controller and one for a repeater. A repeater is required if more than 64 devices  
are on a bus.  
TIPS AND THINGS YOU NEED TO KNOW  
Each thermostat is delivered from the factory with the default MAC address set at 254. At this value, BACnet communication is  
NOT active and the device will not participate in the token pass either. The local LED status for the communication adapter at  
this point is one short flash only. To enable BACnet communication, set the local MAC address configuration property of the  
thermostat to any valid value from 0 to 127.  
After the initial configuration of your device and if your BAS allows you to remove objects, we suggest that you remove all the  
configuration objects to prevent unnecessary polling of non used objects and to help speed up the network.  
All configuration objects are available and accessible locally from the device itself using the local configuration routine. Please  
refer to the PIR Application Guide for TB7200 and TB7300 Series Thermostats (form number 63-4526).  
In its default mode of operation, the device will automatically match its baud rate to the baud rate of the network. Automatic  
baud rate detection will occur when the MS/TP communication port is initialized (on power up). If the network speed is  
changed, the device will keep listening at the previously detected speed for 10 minutes before resuming auto-bauding. Re-  
powering the devices will force immediate auto-bauding.  
Enumeration sets for System Mode MV16 depends on Sequence of Operation (MV15) value upon device discovery. If  
required enumerations are not present, set MV15 to desired value and rediscover MV16 object. Available enumeration will  
now reflect required configuration.  
Enumeration sets for MV16 depends on Fan Mode Sequence (MV58) value upon device discovery. If required enumerations  
are not present, set MV58 to desired value and rediscover MV16 object. Available enumeration will now reflect required  
configuration.  
Enumeration sets for MV26 and MV27 depend on Control Type (BV75) value and Pipe Number (MV52) value upon device  
discovery. If required enumeration is not present, set BV75 and MV52 to desired value and rediscover MV26 and BV27 object.  
Available enumeration will now reflect required configuration.  
If the device should go off-line, the following binded thermostat parameters will be released:  
Room Temperature  
Outdoor Temperature  
Occupancy  
The BACnet Data Link layer has two key parameters: the device object name and the device object ID. The device object  
name must be unique from any other BACnet device object name on the BACnet network (i.e. not just the MS/TP sub-  
network). The device object ID must be unique from any other BACnet device object ID on the entire BACnet network (i.e. not  
just the MS/TP sub-network).  
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To assign a Room Temperature (AV7) value manually, users must first enable the Override mode in the Room Temp Override  
(BV8) object.  
To assign a Room Humidity (AV10) value manually, users must first enable the Override mode in the Room Humidity Override  
BV11) object.  
(
Device Name and Device ID properties are writable in Honeywell device object. Both properties can be renamed from any  
BACnet network management tool as long as the tool itself give access to write to these properties.  
WIRING GUIDELINES  
Overview  
Honeywell uses EIA-485 as the physical layer between their devices and supervisory controllers  
For clarity we will use the term “Device” to represent any product with an active EIA-485 network connection, including Honeywell  
and non-Honeywell thermostats.  
Table 2. Summary of Specifications for a Honeywell EIA-485 Network  
Parameter  
Details  
Media  
Twisted pair 22AWG-24 AWG, shielded recommended  
100-130 ohms  
Characteristic Impedance  
Distributed capacitance  
Maximum length per segment  
Polarity  
Less than 100 pF per meter (30 pF per foot)  
1200 meters (4000 feet)  
Polarity sensitive  
Multi-drop  
Daisy-chain (no T connections)  
1.  
TB7200, TB7300 and/or TB7600 Series thermostat devices  
are installed at both ends of the MS/TP network:  
Terminations  
1
20 Ohms resistor should be installed at each end.  
2.  
A TB7200, TB7300 or TB7600 Series thermostat is installed at  
one end of the MS/TP network and another device is installed  
at the other end:  
Install an End-Of-Line resistor value that matches the other  
device’s instructions regarding the End-Of-Line resistors  
3.  
Other devices are installed at both ends of the MS/TP  
network:  
Follow the other device’s instructions regarding the End-Of-Line  
resistors.  
Maximum number of nodes per segment  
Maximum number of nodes per network  
Baud rate  
64 (Honeywell devices only)  
128  
9600, 19200, 38400, 76800 (Auto detect)  
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Cable Type  
Honeywell recommends the use of balanced 22-24 AWG twisted pair with a characteristic impedance of 100-130 ohms,  
capacitance of 30 pF/ft or lower. A braided shield is also recommended.  
Impedance  
A value based on the inherent conductance, resistance, capacitance and inductance that represent the impedance of an infinitely  
long cable. The nominal impedance of the cable should be between 100and 120. However using120 will result in a lighter  
load on the network.  
Capacitance (pF/ft)  
The amount of equivalent capacitive load of the cable, typically listed in a per foot basis. One of the factors limiting total cable  
length is the capacitive load. Systems with long lengths benefit from using low capacitance cable (i.e. 17pF/ft or lower).  
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NETWORK CONFIGURATION  
EIA-485 networks use a daisy chain configuration. A daisy chain means that there is only one main cable and every network  
device is connected directly along its path.  
Figure 1 illustrates two improper network configurations and the proper daisy chain configuration.  
Other methods of wiring an EIA-485 network may give unreliable and unpredictable results. There are no troubleshooting  
methods for these types of networks. Therefore, a great deal of site experimentation may have to be done, making this a difficult  
task with no guarantee of success. Honeywell will only support daisy chain configurations.  
DAISY CHAIN  
CONFIGURATION  
STAR CONFIGURATION  
BUS CONFIGURATION  
M32571  
Fig. 1. Three different network configurations: star, bus, and daisy chain.  
Only the daisy chain configuration is correct for an EIA-485 network.  
Maximum Number of Devices  
A maximum of 64 nodes is allowed on a single daisy chain segment. A node is defined as any device (controller, thermostat,  
repeater, etc.) connected to the RS485 network. Terminators do not count as a node.  
NOTE: Biasing is not required with this series of devices.  
To determine the number of nodes on a network, add the following:  
One node for each device, including the controller  
One node for each repeater on the chain  
For the example in Figure 2, we have one node for the controller, plus 4 for the thermostats for a total of 5 nodes.  
END OF LINE RESISTOR DOES  
NOT COUNT AS A NODE  
EOL  
EOL  
SC  
NODE 2 NODE 3 NODE 4 NODE 5  
NODE 1  
LEGEND  
EOL: END OF LINE RESISTOR  
SC: SUPERVISORY CONTROLLER  
M32572  
Fig. 2. Five nodes network example.  
If you have more than 64 devices, then repeaters are required to extend the network.  
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Maximum Cable Length  
The maximum length of a chain is related to its transmission speed. The longer the chain, the slower the speed. Using proper  
cable, the maximum length of an EIA-485 daisy chain is 4000-ft (1200 m). This will only work reliably for data rates up to 100,000  
bps. The maximum data rate is 76,800 bps for TB7200 and TB7300 Series thermostats.  
If you require a maximum network length of more than 4000 feet, then repeaters are required to extend the network.  
EIA-485 Repeaters  
If you have more than 64 devices, or require a maximum network length of more than 4000 feet, then repeaters are required to  
extend the network. The BASRT-B repeater by Contemporary Controls can be used if a repeater is needed. The best  
configuration is to daisy chain the repeaters to the controller. From each of these repeaters, a separate daisy chain will branch  
off. Figure 3 demonstrates a valid use of repeaters in an EIA-485 network.  
EOL  
EOL  
EOL  
R
SC  
EOL  
R
EOL  
EOL  
EOL  
R
EOL  
LEGEND  
EOL: END OF LINE RESISTOR  
R: RS485 REPEATER  
SC: SUPERVISORY CONTROLLER  
M32573  
Fig. 3. Correct usage – repeaters are daisy chained to the supervisory  
controller and separate daisy chains branch from each repeater.  
Do not install repeaters in series, as this may result in network reliability problems. Figure 4 demonstrates an incorrect use of a  
repeater in an EIA-485 network.  
EOL  
R
SC  
EOL  
EOL  
DO NOT ADD  
SECOND  
REPEATER  
IN SERIES  
R
EOL  
EOL  
LEGEND  
EOL: END OF LINE RESISTOR  
R: RS485 REPEATER  
SC: SUPERVISORY CONTROLLER  
M32574  
Fig. 4. Incorrect usage – the second repeater in series may result in an unreliable system.  
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End Of Line (EOL) Resistors  
MS/TP network must be properly terminated. For daisy chain configurations, you must install an EOL resistor at each end of the  
daisy chain. Depending on your MS/TP network configuration, the resistance value of the EOL resistor may change:  
TB7200, TB7300, or TB7600 Series devices are installed at both ends of the MS/TP network:  
120 Ohms resistor should be installed at each end.  
A TB7200, TB7300, or TB7600 device is installed at one end of the MS/TP network and another device is installed at the other  
end:  
Install an End-Of-Line resistor value that matches the other device’s instructions regarding its EOL resistor value;  
Other devices are installed at both ends of the MS/TP network:  
Follow the other device’s instructions regarding its EOL resistor value.  
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NETWORK ADAPTER  
The polarity of the connection to the cable is important. From one module to the other it is important that the same colored wire be  
connected to “plus” or “+” and the other colored wire be connected to the “minus” or ”-“. Figure 5 shows the proper MS/TP  
connections and the location of the Status LED. This Status LED may help to troubleshoot network problems.  
Fig. 5. Correct MS/TP connections and location of a Status LED on a BACnet module  
IMPORTANT NOTE: The Ref terminal should NEVER be used to wire shields. The 2 shields from each feed of the network  
connection to a thermostat should be wired together in the back of the thermostat and properly protected to prevent any  
accidental connection to the ground.  
The joined shield connection should then be grounded at a SINGLE point on the whole segment. More than one ground  
connection to a shielded wire may induce ground loop noises and affect communication.  
Network Adapter Status LED  
Table 3 shows the different possibilities with the Status LED behavior for a BACnet module.  
Table 3. Status LED condition and possible solutions.  
Condition of the Status LED  
Possible Cause  
Solution  
1 short blink  
BACnet communication NOT active at  
default MAC address = 254  
Change MAC address to another  
value from 0 to 127  
2 short blink (no wires  
connected to the module)  
The right module has been installed on  
the right thermostat model  
N/A  
2 short blink (wires connected  
to the module)  
Module is not at the same baud rate as  
the network  
Power off and on the thermostat  
2 short blinks and a longer blink  
The module has detected the presence  
of a network  
(wires connected to the  
N/A  
module)  
Right after power is applied: 2  
long blinks and then no blinking  
Polarity has been reversed at the  
module  
Reverse polarity at the module  
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INTEGRATION  
Global Commands  
The following figure shows which objects from the thermostat can be monitored and commanded from the BAS front-end.  
GLOBAL COMMANDS ALL DEVICES  
(
ALL THERMOSTATS)  
OUTDOOR TEMPERATURE  
OUTDOOR TEMPERATURE (AV9)  
DEHUMIDIFICATION LOCKOUT (BV13)  
SEQUENCE OF OPERATION (MV15)  
SYSTEM MODE (AV16)  
OUTDOOR TEMPERATURE AND OUTDOOR HUMIDITY (ENTHALPY)  
OUTDOOR TEMPERATURE AND HVAC PLANT CURRENT MODE  
GLOBAL COMMANDS SPECIFIC DEVICES  
SPECIFIC AREA THERMOSTATS)  
(
SCHEDULE  
SCHEDULE AND OUTDOOR TEMPERATURE  
OCCUPANCY (MV18)  
FAN MODE (MV17)  
OCCUPIED HEATING SETPOINT (AV39)  
UNOCCUPIED HEATING SETPOINT (AV43)  
OCCUPIED COOLING SETPOINT (AV40)  
UNOCCUPIED COOLING SETPOINT (AV44)  
KEYPAD LOCKOUT (MV19)  
ROOM TEMPERATURE (AV7)  
AUX OUTPUT (BV14)  
RESTRICT USER ACCESS TO THERMOSTAT  
ROOM TEMPERATURE FOR TESTING AND OVERRIDE  
REMOTE CONTROL OF THE AUXILIARY OUTPUT  
MSTP NETWORK  
BAS FRONT-END  
TB7300 SERIES TSTAT  
GLOBAL COMMAND CONTROL LEVEL  
DEVICE LEVEL  
MCR32655  
Fig. 6. Global commands from a BAS front-end to a typical TB7300 Series thermostat.  
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TB7200 Integration – Graphical User Interface (GUI) objects  
The following objects should be typically used in a GUI:  
Room Temperature (AV7);  
Occupied and Unoccupied Heat Setpoints (AV 39 and AV43);  
Occupied and Unoccupied Cool Setpoints (AV 40 and AV34);  
Outdoor Temperature (AV 9);  
Supply Temperature (AI12) (If available);  
Occupancy Command (MV18);  
System Mode (MV16);  
Heating Valve Status (MV26);  
Cooling Valve Status (MV28);  
PI Heating Demand (AV21)  
PI Cooling Demand (AV22)  
Window Alarm (BI 35);  
Filter Alarm (BI 36);  
Service Alarm (BI 37)  
Fig. 7. Example of graphical user interface objects.  
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TB7300 Integration – Graphical User Interface (GUI) Objects  
The following objects should be typically used in a GUI:  
Room Temperature (AV7);  
Occupied and Unoccupied Heat Setpoints (AV 39 and AV43);  
Occupied and Unoccupied Cool Setpoints (AV 40 and AV34);  
Room Humidity (AV10) (If available);  
Room Humidity Setpoint (AV 71) (If available);  
Outdoor Temperature (AV 9);  
Supply Temperature (AI12) (If available);  
Occupancy Command (MV18);  
System Mode (MV16);  
Fan Mode (MV17);  
Fan Status (MV28);  
Heating Valve Status (MV26);  
Cooling Valve Status (MV28);  
PI Heating Demand (AV21);  
PI Cooling Demand (AV22);  
Window Alarm (BI 35);  
Filter Alarm (BI 36);  
Service Alarm (BI 37)  
Fig. 8. Example of graphical user interface objects.  
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Configuration Objects  
The following objects and group objects should be typically used for configuration purposes:  
General Options 1 Group GRP 45 and its complete list of objects;  
General Options 2 Group GRP 55 and its complete list of objects;  
Humidity Models Configuration Options Group GRP 69 and its complete list of objects;  
Output Configuration Options Group GRP 74 and its complete list of objects.  
If your BAS allows you to remove objects, Honeywell recommends removing all configuration objects once your setup is  
complete. This will prevent unnecessary network polling and traffic.  
Default Device Name and default Device ID  
Default Device Name is set to: Model number – MAC:  
Where MAC is the current MAC address of the device.  
Where Model number is Honeywell part number.  
The device name will be upgraded as soon as there is a change to the device MAC address.  
The Device Name and Device ID properties are writable in Honeywell device object. Both properties can be renamed from any  
BACnet network management tool as long as the tool itself can write to these properties.  
TB7200 Models  
Default Device ID is set to: 72000 + MAC  
Where MAC is the current MAC address of the device.  
The device ID will also be upgraded as soon as there is a change to the device’s MAC.  
For example, when a TB7200F5014B thermostat with a MAC address of 41 is connected to a network, its default Device Name  
will be TB7200F5x14B-41 and its default Device ID will be 72041.  
TB7300 Models  
Default Device ID is set to: 73000 + MAC  
Where MAC is the current MAC address of the device.  
The device ID will also be upgraded as soon as there is a change to the device’s MAC.  
For example, when a TB7300C5014B thermostat with a MAC address of 63 is connected to a network, its default Device Name  
will be TB7300C5x14B-63 and its default Device ID will be 73063.  
Integrating Honeywell Devices on an MS/TP Network  
Before doing any BACnet integration, make sure to have Honeywell PICS (Protocol Implementation Conformance Statement).  
This PICS document lists all the BACnet Services and Object types supported by a device and can be found at  
Honeywell devices do not support the COV service. COV reporting allows an object to send out notices when its Present-Value  
property is incremented by a pre-defined value. Since this is not supported at Honeywell’s end, special attention should be given  
to the polling time settings at the Supervisory Controller and Workstation level when using a graphic interface or an application  
program to read or write to a Honeywell object.  
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Graphical interfaces  
rd  
For example, some graphic interface might poll every data linked to the graphic page on a COV basis. If the 3 party device does  
not support COV, the graphic interface then relies on a pre-configured polling interval, which is usually in hundredths of  
milliseconds. Any device containing a monitored object could be subject to network traffic congestion if such a polling interval is  
used. Honeywell strongly recommends a polling interval of 5 seconds minimum for any graphic interface. This becomes even  
more critical in area graphics where a single representation might poll many devices. If proper poll rate is not respected, devices  
may be reported offline by certain front end by saturating the traffic handling capacity of BACnet MS/TP without COV  
subscription.  
Free programmed object or loops  
As for the application program, you might want to read and write any MS/TP data on an “If Once” basis or a “Do Every” loop basis  
rd  
instead of reading or writing to a 3 party device’s object directly in the program. Otherwise, any read or write request will occur  
at the Supervisory Controller’s program scan rate, which might as well be in hundredths of milliseconds. This can easily bog  
down a network as single commands can be sent to all ASC devices down the MS/TP trunks every hundredth of milliseconds  
Programs writing to the devices should have a structure similar to the following:  
If Once Schedule = On then  
MV13 = Occupied  
End If  
If Once Schedule = Off Then  
MV13 = Unoccupied  
End If  
Do Every 5min  
If Schedule = On Then  
MV13= Occupied  
Else  
MV13 = Unoccupied  
End If  
OR  
End Do  
Retries and Timeouts  
Another thing to look for in a BACnet integration is the Device object of the Supervisory Controller (and the Operator’s  
Workstation). This object contains the 2 following required properties: Retry Timeout and Number of APDU Retries.  
1.  
The Retry Timeout property specifies the time between re-transmissions if the acknowledgement has not been received.  
When you are experiencing problems with controllers dropping off-line, increasing this value may help.  
2.  
The Number of APDU Retries property specifies the number of times unsuccessful transmissions will be repeated. If the  
receiving controller has not received the transmission successfully after this many attempts, no further attempts will be  
made.  
For example, if one of the thermostats does not reply to a Supervisory Controller (SC) request, and the SC’s Retry Timeout is set  
to 2000 msec and the Number of APDU Retries is set to 1 (still at the SC level), then the SC will send one other request, 2 sec  
later. If the MS/TP device does not reply, it will be considered Off-line by the workstation.  
So having a Retry Timeout value of 10000 msec and a Number of APDU Retries property set to 3 at the SC level may prevent  
device from dropping Off-line. These properties should also be changed at the Workstation level since the workstation will likely  
issue requests to any MS/TP devices when the graphics are used.  
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TROUBLESHOOTING  
Error / Trouble  
Condition  
Possible Cause  
Solution  
Two or more controllers have the same  
MAC address.  
Modify each duplicate address to a unique  
number.  
The MS/TP network has too many devices. Do not exceed the maximum number of  
devices and maximum length allowed by the  
EIA-485 specifications.  
Thermostat does not  
come online  
Too many devices were installed without  
any repeaters.  
Repeaters need to be installed as specified  
in this document.  
The MS/TP cable runs are broken  
Locate the break and correct wiring  
MS/TP connections at the module are  
reversed  
Respect polarity of the wires on a MS/TP  
network.  
The thermostat does not have power  
Apply power to the thermostat  
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APPENDIX  
TB7200 & TB7300 Series Protocol Implementation Conformance Statement  
(
PICS)  
Vendor Name: Honeywell  
Product Name: TB7200 and TB7300 Series Thermostats  
TB7200 Product Description  
The TB7200 series BACnet communicating thermostat has been specifically designed for zoning applications to be monitored on  
®
a BACnet MS-TP network.  
TB7200 Product Model Number: TB7200C5x14B and TB7200F5x14B  
TB7300 Product Description  
The TB7300 series BACnet communicating thermostat has been specifically designed for zoning and fan coil applications to be  
®
monitored on a BACnet MS-TP network.  
TB7300 Product Model Number: TB7300A5x14B, TB7305A5x14B, TB7300C5x14B, TB7305C5x14B, TB7350C5x14B,  
TB7355C5x14B, TB7300F5x14B, TB7305F5x14B, TB7350F5x14B and TB7355F5x14B  
Supported BACnet Services  
The BACnet communicating thermostat meets all requirements for designation as an Application Specific Controller (B-ASC).  
The BACnet thermostat series supports the following BACnet Interoperability Building Blocks (BIBBs).  
Application Service  
Data Sharing – Read Property - B  
Designation  
DS-RP-B  
Data Sharing – Read Property Multiple - B  
DS-RPM-B  
DS-WP-B  
Data Sharing – Write Property - B  
Device Management - Device Communication Control - B  
Device Management – Dynamic Device Binding - B  
Device Management – Dynamic Object Binding - B  
DM-DCC-B  
DM-DDB-B  
DM-DOB-B  
NOTE: The thermostat does not support segmented requests or responses.  
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BACNET OBJECTS SUPPORTED  
Device Objects  
Table 4. Device Objects.  
Type and  
Object Name  
TB7200X5x14B  
TB73xxX5X14B  
Object Property  
Thermostat Parameter  
Instance  
Device  
Object_Identifier  
Unique ID number of a device on a network.  
Property 75 (R,W)  
Object_Name  
Unique name of a Device on a network.  
Thermostat Model number.  
Property 77 (R,W)  
Model Name  
Property 70 (R)  
Firmware Revision  
Current BACnet firmware revision used by the  
thermostat.  
Property 44 (R)  
Protocol Version  
Current BACnet firmware protocol version.  
Property 98 (R)  
Default is Version 1.  
Protocol Revision  
Current BACnet firmware protocol revision.  
Property 139 (R)  
Default is Version 2.  
Max ADPU Length  
Maximum ADPU Length accepted  
Property 62 (R)  
ADPU Timeout  
Default is 244  
ADPU timeout value  
Property 10 (R)  
Default is 60,000 ms  
Application-Software-  
Version Property 12 (R)  
Thermostat base application software version.  
Default is based on current released version  
Max_Master (R,W)  
MS/TP_Address  
Maximum master devices allowed to be part of the  
network. 0 to 127, default is 127.  
BACnet MS-TP MAC Address. Proprietary attribute.  
Property 1001 (R,W)  
MS/TP_Baud_Rate  
Default is as assigned by configuration.  
BACnet MS-TP Baud-Rate. Proprietary attribute.  
Property 1002 (R,W)  
Range is: 1 = 9.6 KBps, 2 = 19.2 KBps, 3 = 38.4 KBps, 4  
=
76.8 KBps and 5 = Auto Baud Rate. Index 5 is Write  
only. Reading attribute will state current Baud rate used.  
Writing index 1 to 4 will fix the Baud rate to the desired  
value.  
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Objects Table  
Table 5. Objects.  
Type and  
Instance  
Object Name  
Object Property  
Room Temperature  
Room Temp Override  
Outdoor Temperature  
Room Humidity  
AV 7  
BV 8  
AV 9  
AV 10  
BV 11  
AI 12  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R)  
Room Humid Override  
Supply Temperature  
Dehumidification  
Lockout  
BV 13  
Present_Value (R,W)  
AUX Command  
Sequence of Operation  
System Mode  
BV 14  
MV 15  
MV 16  
MV 17  
MV 18  
MV 19  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Fan Mode  
Occupancy Command  
Keypad Lockout  
Control Output  
GRP 20  
AV 21  
AV 22  
BI 23  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
PI Heating Demand  
PI Cooling Demand  
Dehumidification Status  
Controller Status  
AUX Status  
GRP 24  
BI 25  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Present_Value (R)  
Heating Valve Status  
Cooling Valve Status  
Fan Status  
MV 26  
MV 27  
MV 28  
BI 29  
BI 1 Status  
BI 2 Status  
BI 30  
UI 3 Status  
BI 31  
Local Motion  
BI 32  
Effective Occupancy  
MV 33  
Controller Alarms  
Window Alarm  
GRP 34  
BI 35  
Present_Value (R)  
Present_Value (R)  
1
7
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Table 5. Objects. (Continued)  
Type and  
Instance  
Object Name  
Object Property  
Filter Alarm  
BI 36  
BI 37  
Present_Value (R)  
Present_Value (R)  
Service Alarm  
Temperature Setpoints  
Occupied Heat Setpoint  
Occupied Cool Setpoint  
Stand-by Heat Setpoint  
Stand-by Cool Setpoint  
GRP 38  
AV 39  
AV 40  
AV 41  
AV 42  
Present_Value (R)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Unoccupied Heat  
Setpoint  
AV 43  
AV 44  
Present_Value (R,W)  
Present_Value (R,W)  
Unoccupied Cool  
Setpoint  
General Options 1  
BI 1 Configuration  
BI 2 Configuration  
UI 3 configuration  
Menu Scroll  
GRP 45  
MV 46  
MV 47  
MV 48  
BV 49  
BV 50  
BV 51  
MV 52  
MV 53  
MV 54  
Present_Value (R)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Auto Mode Enable  
Temperature Scale  
Pipe Number  
Out#1 Config  
AUX Configuration  
General Options 2  
Password Value  
GRP 55  
AV 56  
MV 58  
AV 58  
AV 59  
BV 60  
BV 61  
Present_Value (R)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Fan Mode Sequence  
Heating Setpoint Limit  
Cooling Setpoint Limit  
Setpoint Type  
Setpoint Function  
Temporary Occupancy  
Time  
MV 62  
Present_Value (R,W)  
Deadband  
AV 63  
BV 64  
Present_Value (R,W)  
Present_Value (R,W)  
Reheat Time Base  
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Table 5. Objects. (Continued)  
Type and  
Instance  
Object Name  
Object Property  
Proportional Band  
Auto Fan  
MV 65  
BV 66  
AV 67  
AV 68  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Stand-by Time  
Unoccupied Time  
Humidity Models  
Configuration Options  
GRP 69  
Present_Value (R)  
RH Display  
RH Setpoint  
BV 70  
AV 71  
Present_Value (R,W)  
Present_Value (R,W)  
Dehumidification  
Hysterisys  
AV 72  
AV 73  
Present_Value (R,W)  
Present_Value (R,W)  
Dehumidification MAX  
Cooling  
Output Configuration  
Options  
GRP 74  
Present_Value (R)  
Control type  
BV 75  
MV 76  
MV 77  
BV 78  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Present_Value (R,W)  
Floating Motor timing  
On Off Control CPH  
Direct Reverse Acting  
1
9
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Standard Object Types Supported  
Table 6. Standard object types supported.  
Optional  
Properties  
Supported  
Supported  
Objects  
Dynamically  
Creatable  
Dynamically  
Deletable  
Object Type  
Writable Properties  
Analog Input  
Reliability  
Out_of_Service  
Present_Valuea,b  
Out_of_Servicea  
Object_Namec  
Analog Value  
Reliability  
Reliability  
Binary Input  
Binary Value  
Device  
Active_Text  
Inactive_Text  
Reliability  
Active_Text  
Inactive_Text  
Out_of_Service  
Present_Value  
Out_of_Service  
Object_Identifier  
Object_name  
Max_Master  
Max_Master  
Max_Info_frames  
Group  
N/A  
N/A  
Reliability  
States_Text  
Present_Valued  
Out_of_Serviced  
Multi-state Value  
a
Present_Value and Out_of_Service properties are writable for every AV objects except :  
PI Heating Demand (AV21)  
PI Cooling Demand (AV22)  
b
c
Present_Value property for Room Temperature (AV7) and Room Humidity (AV10) is writable only if Room Temp  
Override (BV8) is enabled and Room Humidity Override (BV11) is enabled respectively.  
Object_Name property is writable for the following object only :  
Room Temperature (AV7)  
d
Present_Value and Out_of_Service properties are writable for every MV objects except :  
Heating Valve Status (MV26)  
Cooling Valve Status (MV27)  
Fan Status (MV28)  
Effective Occupancy (MV33)  
List of Proprietary Properties  
Table 7. Proprietary Properties.  
Property name  
ID  
BACnet Data type  
Description  
The version number of the BACnet communications  
module. This is the hardware version number  
Major_Version  
1000  
CharacterString  
MS/TP_Address  
1001  
1002  
Unsigned  
Unsigned  
Display the MAC layer address of the module  
MS/TP_Baud_Rate  
Display the communication baud rate of the module  
Display the temperature or humidity calibration value.  
The range is –5.0 deg F to 5.0 deg F for a temperature  
and –15% to 15% for humidity.  
Sensor_Offset  
1005  
REAL  
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Property Value Range Restrictions  
Table 8. Property value range restrictions.  
Object Type  
and instance  
Minimum range  
value  
Maximum  
range value  
Object name  
Room Temperature  
Default value  
AV 7  
AV 9  
-39.9°F (-40°C)  
-39°F (-40°C)  
5%  
121.9°F (50°C)  
121.9°F (50°C)  
90%  
N/A  
N/A  
Outdoor Temperature  
Room Humidity  
AV 10  
AI 12  
N/A  
Supply Temperature  
PI Heating demand  
PI Cooling demand  
Occupied Heat Setpoint  
Occupied Cool Setpoint  
Stand-by Heat Setpoint  
Stand-by Cool Setpoint  
Unoccupied Heat Setpoint  
Unoccupied Cool Setpoint  
Password Value  
-39.9°F (-40°C)  
0%  
121.9°F (50°C)  
100%  
N/A  
AV 21  
AV 22  
AV 39  
AV 40  
AV 41  
AV 42  
AV 43  
AV 44  
AV 56  
AV 58  
AV 59  
AV 63  
AV 67  
AV 68  
AV 45  
AV 46  
AV 47  
0%  
0%  
100%  
0%  
40°F (4.5°C)  
54°F (12°C)  
40°F (4.5°C)  
54°F (12°C)  
40°F (4.5°C)  
54°F (12°C)  
0
90°F (32°C)  
100°F (37.5°C)  
90°F (32°C)  
100°F (37.5°C)  
90°F (32°C)  
100°F (37.5°C)  
1000  
72°F (22°C)  
74°F (24°C)  
72°F (22°C)  
74°F (24°C)  
62°F (16.5°C)  
80°F (26.5°C)  
0
Heating Setpoint Limit  
Cooling Setpoint Limit  
Deadband  
40°F (4.5°C)  
54°F (12°C)  
2°F (1°C)  
0.5 Hours  
0.0 Hours  
30%  
90°F (32°C)  
100°F (37.5°C)  
5°F (2.5°C)  
24.0 Hours  
24.0 Hours  
100%  
90°F (32°C)  
54°F (12°C)  
2°F (1°C)  
0.5 Hours  
0.0 Hours  
50%  
Stand-by Time  
Unoccupied Time  
RH Setpoint  
Dehumidification Hysterisys  
Dehumidification MAX cooling  
2%  
20%  
5%  
20%  
100%  
100%  
2
1
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Property Enumeration Sets for BV & BI Objects  
Table 9. Property enumeration sets for BV and BI objects.  
Object Type  
Object Name  
Inactive_Text  
Active_Text  
Override  
Default value  
and Instance  
BV 8  
Room Temp Override  
Room Humidity Override  
Dehumidification Lockout  
AUX Command  
Dehumidification Status  
Aux Status  
Normal  
Normal  
Disabled  
Off  
Normal  
Normal  
Enabled  
Off  
BV 11  
BV 13  
BV 14  
BI 23  
Override  
Enabled  
On  
Off  
On  
Off  
BI 25  
Off  
On  
Off  
BI 1 Status  
BI 29  
Deactivated  
Deactivated  
Deactivated  
No Motion  
Off  
Activated  
Activated  
Activated  
Motion  
On  
Deactivated  
Deactivated  
Deactivated  
No Motion  
Off  
BI 2 Status  
BI 30  
UI 3 Status(*)  
BI 31  
Local Motion  
BI 32  
Window Alarm  
BI 35  
Filter Alarm  
BI 36  
Off  
On  
Off  
Service Alarm  
BI 37  
Off  
On  
Off  
Menu Scroll  
BV 49  
BV 50  
BV 51  
BV 60  
BV 61  
No Scroll  
Disabled  
°C  
Scroll Active  
Enabled  
°F  
Scroll Active  
Enabled  
°F  
Auto Mode Enable  
Temperature Scale  
Setpoint Type  
Permanent  
Dual Setpoints  
Temporary  
Permanent  
Dual Setpoints  
Setpoint Function  
Attached  
Setpoints  
Reheat Time Base  
Auto Fan  
BV 64  
BV 66  
15 minutes  
Auto Speed  
10 seconds  
15 minutes  
Auto Speed / Auto Auto Speed  
Demand  
RH Display  
BV 70  
BV 75  
BV 78  
Disabled  
On/Off  
Enabled  
Disabled  
On/Off  
Control Type  
Floating  
Direct/ Reverse Acting  
Direct Acting  
Reverse Acting  
Direst Acting  
(
**) This object will be linked to the value of the “UI 3 Configuration” object. When the “UI 3 Configuration” object value is 0, 3 or  
4, the value will be set to “Deactivated.”  
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Enumeration Sets for MV Objects  
Table 10. Property enumeration sets for MV objects.  
Object Name  
Object ID  
BACnet Index  
Text  
Cooling Only  
Default value  
1
2
3
4
5
6
1
2
3
4
Heating Only  
Cooling & Reheat  
Heating & Reheat  
Cool/Heat4P  
Cool/Heat4P&Reht  
Off  
Sequence of  
Operation  
MV 15  
Heating Only  
System Mode  
Note 1  
Auto  
MV 16  
Note 2  
Note 5  
Cool  
Heat  
Fan Mode  
Note 3  
MV 17  
MV 18  
1, 2, 3 or 4  
Note 4  
1
2
3
1
2
3
4
5
6
Local Occupancy  
Occupied  
Unoccupied  
Level 0  
Occupancy  
Command  
Depends on network  
command  
Level 1  
Level 2  
Keypad Lockout  
MV 19  
Level 0  
Level 3  
Level 4  
Level 5  
NOTES:  
1
.
.
Enumeration sets for MV16 depends on Sequence of Operation (MV15) value upon device discovery. If required  
enumeration is not present, set MV15 to desired value and rediscover MV16 object. Available enumeration will now  
reflect required configuration.  
2
Default value of MV16 depends on MV15 value upon device discovery.  
MV15 Index  
Function  
Default Value is BV50  
Default Value is BV50  
Enabled  
Cool  
Disabled  
Cool  
1
2
3
4
5
6
Cooling Only  
Cooling with Reheat  
Heating Only  
Auto  
Heat  
Heat  
Heat  
Heating with Reheat  
Cooling/Heating 4 Pipes  
Cooling/Heating 4 Pipes with Reheat  
Heat  
Heat  
Auto  
Heat  
Auto  
Heat  
3.  
Enumeration sets for MV17 depends on Fan Mode Sequence (MV58) value upon device discovery. If required enu-  
meration is not present, set MV58 to desired value and rediscover MV17 object. Available enumeration will now  
reflect required configuration.  
4
5
.
.
Available state text and default value depends on Fan Mode Sequence (MV58) value upon device discovery.  
Same as Note 4.  
2
3
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MV17 Index  
Function MV58 State Text Index  
1 Low - 2 Med - 3 High  
1 Low - 2 High  
Default Value  
High  
1
2
3
4
5
High  
1 Low - 2 Med - 3 High - 4 Auto  
1 Low - 2 High - 3 Auto  
1 Auto -2 On  
High  
High  
Auto  
Table 10. Property enumeration sets for MV objects. (Continued)  
Object Name  
Object ID  
MV 26  
BACnet Index  
Note 7  
Text  
Default value  
Note 7  
Heating Valve Status  
Note 6  
Note 7  
Note 9  
Cooling Valve Status  
Note 8  
MV 27  
Note 9  
Note 9  
1
2
3
4
1
2
3
4
Off  
Low  
Fan Status  
MV 28  
MV 33  
Off  
Med  
High  
Occupied  
Unoccupied  
Depends on local  
occupancy  
Effective Occupancy  
Temporary Occupied  
Stand-by  
6
.
.
Enumeration sets for MV26 depends on Control Type (BV75) value and Pipe Number (MV52) value upon device dis-  
covery. If required enumeration is not present, set BV75 and MV52 to desired value and rediscover MV26 object.  
Available enumeration will now reflect required configuration.  
Available object name, state text and default value depends on Control Type (BV75) value and Pipe Number (MV52)  
upon device discovery.  
7
BV75 Value  
MV52 Index  
MV26 Object  
Name  
Function MV26 State Text Index  
Default Value  
On/Off  
1 (2 pipe)  
Unused Output  
N/A  
N/A  
2
(4 pipe)  
Heating Valve  
Status  
1 Closed – 2 Open  
Closed  
Floating  
1 (2 pipe)  
(4 pipe)  
Unused Output  
N/A  
N/A  
2
Heating Valve  
Status  
1 Stopped - 2 Opening - 3 Closing  
Stopped  
8
.
.
Enumeration sets for MV27 depends on Control Type (BV75) value and Pipe Number (MV52) value upon device dis-  
covery. If required enumeration is not present, set BV75 and MV52 to desired value and rediscover MV27 object.  
Available enumeration will now reflect required configuration.  
9
Available object name, state text and default value depends on Control Type (BV75) value and Pipe Number (MV52)  
upon device discovery.  
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BV75 Value  
MV52 Index  
MV27 Object  
Name  
Function MV26 State Text Index  
1 Closed – 2 Open  
Default Value  
Closed  
On/Off  
1 (2 pipe)  
Heat/Cool Valve  
Status  
2
(4 pipe)  
1 (2 pipe)  
(4 pipe)  
Cooling Valve  
Status  
1 Closed – 2 Open  
Closed  
Floating  
Heat/Cool Valve  
Status  
1 Stopped - 2 Opening - 3 Closing  
1 Stopped - 2 Opening - 3 Closing  
Stopped  
Stopped  
2
Cooling Valve  
Status  
Table 10. Property enumeration sets for MV objects. (Continued)  
Object Name  
Object ID  
BACnet Index  
Text  
Default value  
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
1
2
1
2
3
4
5
6
None  
Rem NSB  
Motion NO  
Motion NC  
Window  
None  
BI1 Configuration  
MV 46  
None  
Door Dry  
Override  
Filter  
BI2 Configuration  
UI3 Configuration  
MV 47  
MV 48  
None  
None  
Service  
None  
COC/NH  
COC/NC  
COS  
SS  
2 Pipe  
4 Pipes  
4
Pipe Number  
Out#1 Cfg  
MV 52  
MV 53  
4 Pipe  
2
4
Not used  
NO with Occ  
NC with Occ  
AUX Configuration  
MV 54  
Not Used  
NO with Occ & Fan  
NC with Occ & Fan  
Network controlled  
2
5
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Table 10. Property enumeration sets for MV objects. (Continued)  
Object Name  
Object ID  
BACnet Index  
Text  
Low-Med-High  
Default value  
1
2
3
4
5
1
2
3
4
5
6
7
8
9
1
1
1
Low-High  
Low-Med-High-Auto  
Low-High-Auto  
On-Auto  
0 hour  
Fan Mode Sequence  
MV 58  
On-Auto  
1 hour  
2 hours  
3 hours  
4 hours  
5 hours  
6 hours  
7 hours  
8 hours  
0
9 hours  
1
2
10 hours  
11 hours  
12 hours  
13 hours  
14 hours  
15 hours  
16 hours  
17 hours  
18 hours  
19 hours  
20 hours  
21 hours  
22 hours  
23 hours  
24 hours  
Temporary Occupancy  
Time  
MV 62  
13  
2 hours  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
1
2
3
4
5
6
7
8
3
3 F  
4 F  
5 F  
6 F  
7 F  
8 F  
9 F  
10 F  
1.2 C  
1.7 C  
2.2 C  
2.8 C  
3.3 C  
3.9 C  
5.0 C  
5.6 C  
4
5
6
Proportional Band  
MV 65  
3
7
8
9
10  
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Table 10. Property enumeration sets for MV objects. (Continued)  
Object Name  
Object ID  
BACnet Index  
Text  
Default value  
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
0.5 minute  
1 minute  
1.5 minutes  
2 minutes  
2.5 minutes  
3 minutes  
3.5 minutes  
4 minutes  
4.5 minutes  
5 minutes  
5.5 minutes  
6 minutes  
6.5 minutes  
7 minutes  
7.5 minutes  
8 minutes  
8.5 minutes  
9 minutes  
3 CPH  
Floating Motor Timing  
MV 76  
1.5 minutes  
0
1
2
3
4
5
6
7
8
4 CPH  
5 CPH  
On-Off Control CPH  
MV 77  
4 CPH  
6 CPH  
7 CPH  
8 CPH  
2
7
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BACNET INTEGRATION MANUAL FOR TB7200 & TB7300 SERIES THERMOSTATS  
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®
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customer.honeywell.com  
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Printed in U.S.A.  

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