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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Standard Object Types Supported Table 6. Standard Object Types Supported Optional Supported Dynamically Dynamically Object Type Properties Writable Properties Objects Creatable Deletable Supported Analog Input Reliability Out_of_Service a Present_Value a Analog Value Reliability Out_of_Service b Object_Name Reliability Binary Input Active_Text Out_of_Service Inactive_Text Reliability Present_Value Binary Value Active_Text Out_of_Service In
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Property Value Range Restrictions for AI and AV objects Table 8. Property Value Range Restrictions for AI and AV objects Object Type Under range Over range Object name Default value and instance value value Room Temperature AV 7 -40°F (-40°C) 122°F (50°C) N/A Outdoor Temperature AV 9 -40°F (-40°C) 122°F (50°C) N/A Room Humidity AV 11 0% 100% N/A Supply Temp AI 16 -40°F (-40°C) 122°F (50°C) N/A Supply RH AV 17 0% 100% N/A N/A PI Heating Dem
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS List of Property Enumeration Sets for BI and BV objects Table 9. List of Property Enumeration Sets for BI and BV objects Object Type and Object Name Inactive_Text Active_Text Default value instance Room Temp Override BV 8 Normal Override Normal Outdoor Temp Override BV 10 Normal Override Normal AUX BI 24 Off On Off G Fan BI 25 Off On Off Y1 Cool BI 26 Off On Off Y2 Cool BI 27 Off On Off W1 Heat BI 28 Off On Off W2 Heat BI 29 Off On Off Re
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BACnet Integration Manual for
TB7600 Series Thermostats
REFERENCE MANUAL
PRODUCT OVERVIEW
The TB7600 PI thermostat family is specifically designed for
single stage and multi-stage control of heating/cooling equipment
such as rooftop and self-contained units. The TB7600 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.Th
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS COMPATIBILITY Honeywell TB7600 Series thermostat compatiblity information is provided in Table 1. Table 1. TB7600 Thermostat Compatibility Information WEBs-AX Controller Thermostats Per Controller* WEBStation-AX WEB-2xx 126 3.0 or later WEB-6xx 126 3.0 or later WEB-7xx 126 3.5 * 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 N
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS 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 Characteristic Im
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS 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. Fig. 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 networ
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS 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. TB7600 themostats' maximum data rate is 76,800 bps. If you require a maximum network length of more than 4000 feet, then repeaters are required to extend the
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS 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: • TB7600, TB7300, and/or TB7200 thermostats are installed at both ends of the MS/TP network: 120 Ohms resistor should be installed at each end. • A TB7600, TB7300, or TB7200 d
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Network Adapter Status LED Table 3 shows the different possibilities with the Status LED behavior of the BACnet module. Table 3. Status LED condition and possible solutions Condition of the Status LED Possible Cause Solution BACnet communication NOT active at Change MAC address to another default MAC address = 254 value from 0 to 127 1 short blink 2 short blinks (no wires connected The BACnet module is recognized on to the module) the th
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS INTEGRATION This section provides compatibility and programming information useful when setting up TB7600 Series thermostats on a WEBs- AX building automation system. 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) OUTDOOR TEMPERATURE AND HVAC PLANT CURRENT MODE SYS
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Typical Graphical User Interface (GUI) Objects The following objects should be typically used in a GUI: • Room Temperature (AV7); • Occupied and Unoccupied Heat Setpoints (AV 42 and AV44); • Occupied and Unoccupied Cool Setpoints (AV 43 and AV45); • Outdoor Temperature (AV9); • Supply Temperature (AI16) (If available); • Occupancy Command (MV12); • Effective Occupancy (MV34); • System Mode RTU (MV14) or System Mode HPU (MV13); • G Fan (BI
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Recommended Configuration Objects The following objects and group objects should be typically used for configuration purposes. If your BAS allows you to remove objects from your database, Honeywell recommends removing all configuration objects once your setup is complete. This will prevent unnecessary polling of unused objects and will help speed up the network. • General Options 1 Group GRP 46 and its complete list of objects; • General
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS 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 si
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS TROUBLESHOOTING Error / Trouble Possible Cause Solution Condition Two or more controllers have the same Modify each duplicate address to a unique MAC address. 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. Too many devices were installed without Repeaters need to be installed as specified Thermostat does not any repeaters. in this d
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS APPENDIX A: BACNET OBJECTS TB7600 SERIES PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) Vendor Name: Honeywell Vendor ID: 140 Product Name: TB7600 Thermostat Series Product Model Number: TB7600A5x14B, TB7614B5x 14B, TB7605B5x 14B, TB7607B5x14B, TB7600H5x 14B, TB7652A5x 0B, TB7652B5x 14B, TB7656B5x 14B, TB7657B5x14B and TB7652H5x0B. Product Description The TB76xx series BACnet communicating thermostat has been specifically designed
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS BACNET OBJECTS SUPPORTED Device Objects Table 4. Device Objects Type and Object Name Object Property Thermostat Parameter Instance TB76xxX5x14B 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 Property 77 (R,W) Model Name Thermostat Model number Property 70 (R) Firmware Revision Current BACnet firmware revision used by the thermostat Property 44 (R) Proto
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Objects Table Table 5. Objects Type and Object Name Object Property Instance Room Temperature AV 7 Present_Value (R,W) √ √√√√√√ √√√ Room Temp Override BV 8 Present_Value (R,W) √ √√√√√√ √√√ Outdoor Temperature AV 9 Present_Value (R,W) √ √√√√√√ √√√ Outdoor Temp Override BV 10 Present_Value (R,W) √ √√√√√√ √√√ Room Humidity AV 11 Present_Value (R) √√ Occupancy Command MV 12 Present_Value (R,W) √ √√√√√√ √√√ System Mode HP MV 13 Present_Value (
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Table 5. Objects Type and Object Name Object Property Instance Unoccupied Heat AV 44 Present_Value (R,W) √√√√√√√ √√√ Setpoint Unoccupied Cool AV 45 Present_Value (R,W) √√√√√√√ √√√ Setpoint General Options 1 GRP 46 Present_Value (R) √ √ √ √ √ √ √ √ √ √ Temperature Scale BV 47 Present_Value (R,W) √√√√√√√ √√√ Heating Setpoint Limit AV 48 Present_Value (R,W) √√√√√√√ √√√ Cooling Setpoint Limit AV 49 Present_Value (R,W) √√√√√√√ √√√ Heating Loc
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BACNET INTEGRATION MANUAL FOR TB7600 SERIES THERMOSTATS Table 5. Objects Type and Object Name Object Property Instance Economizer AV 77 Present_Value (R,W) √√ Changeover Setpoint Economizer Minimum AV 78 Present_Value (R,W) √√ Position Mechanical Cooling BV 79 Present_Value (R,W) √√ Enabled Mixed Air Setpoint AV 80 Present_Value (R,W) √√ Heatpump Model GRP 81 Present_Value (R) √ √ Configuration Options High Balance Point AV 82 Present_Value (R,W) √√ Low Balance Point AV 83 Present_Value (R,
