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A Sierra Monitor Company
Driver Manual
(Supplement to the FieldServer Instruction Manual)
FS-8700-73 BACnet MSTP - Serial
APPLICABILITY & EFFECTIVITY
Effective for all systems manufactured after August 2008
Driver Version: 1.00
Document Revision: 25
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FS-8700-73 BACnet MSTP Driver Manual Table of Contents TABLE OF CONTENTS 1. BACNET MSTP DESCRIPTION ..................................................................................... 3 2. DRIVER SCOPE OF SUPPLY ........................................................................................ 4 2.1. Supplied by FieldServer Technologies for this driver.................................................. 4 rd 2.2. Provided by the Supplier of 3 Party Equipment ....................
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FS-8700-73 BACnet MSTP Driver Manual Page 3 of 24 1. BACnet MSTP Description The BACnet Master-Slave/Token-Passing (MSTP) driver implements a data link protocol that uses the services of the RS-485 physical layer. See the FieldServer BACnet PIC statement for the level of conformance that this driver implements. Max Nodes Supported FieldServer Mode Nodes Comments Client 1 Server 32 FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.field
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FS-8700-73 BACnet MSTP Driver Manual Page 4 of 24 2. Driver Scope of Supply 2.1. Supplied by FieldServer Technologies for this driver FieldServer Technologies Description PART # FS-8917-16 RJ45 to terminal connector cable. rd 2.2. Provided by the Supplier of 3 Party Equipment rd 2.2.1. Required 3 Party Hardware Part # Description 1 Building control unit (BCU) 2 BACnet client such as a Trane Tracer Summit workstation 2.2.2. Optional Items PART # Vendor/Manufacturer Descri
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FS-8700-73 BACnet MSTP Driver Manual Page 5 of 24 3. Hardware Connections The FieldServer is connected to the BACnet MSTP as shown in connection drawing. Configure the BACnet MSTP according to manufacturer’s instructions FieldServer as a BACnet MSTP Client FieldServer + - Gnd + - Gnd + - Gnd + - Gnd Server n Server 1 Server 1 FieldServer as a BACnet MSTP Server Client + - Gnd + - Gnd + - Gnd + - Gnd Server n FieldServer Server 2 (408)-262-2299 FIELDSERVER BACNET MSTP CONNECTION DIAGR
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FS-8700-73 BACnet MSTP Driver Manual Page 6 of 24 3.1. Hardware connection Tips/Hints Follow standard RS-485 2-wire guidelines for installation. See connection diagram below. FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll Free: (888) 509-1970 email: support@fieldserver.com
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FS-8700-73 BACnet MSTP Driver Manual Page 7 of 24 4. Configuring the FieldServer as a BACnet MSTP Client For a detailed discussion on FieldServer configuration, please refer to the FieldServer Configuration Manual. The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer (See “.csv” sample files provided with the FieldServer). This section documents and describes the parameters necessary for con
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FS-8700-73 BACnet MSTP Driver Manual Page 8 of 24 4.3. Client Side Connection Descriptions Section Title Connections Column Title Function Legal Values Specify which port the device is connected to the 3 4 Port P1-P8 , R1-R2 FieldServer 9600, 38400, Baud Specify baud rate 5 76800 Parity* Specify parity Odd, Even, None Data_Bits* Specify data bits 7, 8 Stop_Bits* Specify stop bits 1,2 Protocol Specify protocol used BACnet_MSTP Poll Delay* Time between internal polls 0-3200
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FS-8700-73 BACnet MSTP Driver Manual Page 9 of 24 4.4. Client Side Node Descriptors Section Title Nodes Column Title Function Legal Values Up to 32 alphanumeric Node_Name Provide name for node characters 6 Node_ID Specify the BACnet Device object instance. 1 - 4194303 Protocol Specify protocol used BACnet_MSTP 7 8 Port Specify port P1-P8 , R1-R2 1-127 (for Master 6 Nodes) MAC_Address MAC_Address of the physical server node. 1-254 (for Slave Nodes) 1,2,3.... 16 bit positi
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FS-8700-73 BACnet MSTP Driver Manual Page 10 of 24 4.5. Client Side Map Descriptors 4.5.1. FieldServer Related Map Descriptor Parameters Column Title Function Legal Values Name of this Map Up to 32 alphanumeric Map_Descriptor_Name Descriptor characters Name of Data Array One of the Data Array names where data is to be stored Data_Array_Name from “Data_Array” section in the FieldServer 0 to Data_Array_Length-1 as Starting location in Data Data_Array_Offset specified in “Dat
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FS-8700-73 BACnet MSTP Driver Manual Page 11 of 24 4.5.4. Map Descriptor Example. // Client Side Map Descriptors Map_Descriptors Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Data_Type, Object_Instance Property, Scan_Interval CMD_AI_01, DA_AI_01, 0, RDBC, BCU_1, AI, 1, Present_Value, 20.000s CMD_AI_02, DA_AI_01, 1, RDBC, BCU_1, AI, 2, Present_Value, 20.000s CMD_AI_03, DA_AI_01, 2, RDBC, BCU_1, AI, 3, Present_Value, 20.000s CM
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FS-8700-73 BACnet MSTP Driver Manual Page 12 of 24 5. Configuring the FieldServer as a BACnet MSTP Server For a detailed discussion on FieldServer configuration, please refer to the FieldServer Configuration Manual. The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer (See “.csv” sample files provided with the FieldServer). This section documents and describes the parameters necessary for con
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FS-8700-73 BACnet MSTP Driver Manual Page 13 of 24 5.2. Server Side Connection Descriptors Section Title Connections Column Title Function Legal Values Specify which port the device is connected to the 10 11 Port P1-P8 , R1-R2 FieldServer 12 Baud Specify baud rate 9600, 38400, 76800 Parity* Specify parity None, Odd, Even Data_Bits* Specify data bits 7, 8 Stop_Bits* Specify stop bits 1, 2 Protocol Specify protocol used BACnet_MSTP Specify if the connection must be in Master_
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FS-8700-73 BACnet MSTP Driver Manual Page 14 of 24 Example // Server Side Nodes Nodes 16 Node_Name, Node_ID, Protocol Virtual_BCU_11, 11, BACnet_MSTP 16 Note that adapter is not declared in the Server Side Nodes FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll Free: (888) 509-1970 email: support@fieldserver.com
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FS-8700-73 BACnet MSTP Driver Manual Page 15 of 24 5.4. Server Side Map Descriptors 5.4.1. FieldServer Specific Map Descriptor Parameters Column Title Function Legal Values Map_Descriptor_Name Name of this Map Descriptor Up to 32 alphanumeric characters. Name of Data Array where One of the Data Array names from Data_Array_Name data is to be stored in the “Data Array” section FieldServer 0 to Data_Array_Length-1 as Data_Array_Offset Starting location in Data Array specified
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FS-8700-73 BACnet MSTP Driver Manual Page 16 of 24 5.4.3. Map Descriptor Example. // Client Side Map Descriptors Map_Descriptors Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Data_Type Object_Instance, Property, Units, Data_Array_Low_Scale, Data_Array_High_Scale, Node_Low_Scale, Node_High_Scale SMD_AI_01, DA_AI_01, 0, Server, Virtual_BCU_11, AI, 1, Present_Value, Deg_F, 0, 10000, 0, 100 SMD_AI_02, DA_AI_01, 1, Server, Vir
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FS-8700-73 BACnet MSTP Driver Manual Page 17 of 24 Appendix A. Driver Notes Appendix A.1. Data_Type Legal Values – Abbreviation Descriptions AI Analog_Input AO Analog_Output AV Analog_Value BI Binary_Input BV Binary_Value MI Multi_State_Input MO Multi_State_Output MV Multi_State_Value FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com Tel: (408) 262-2299 Fax: (408) 262-9042 Toll Free: (888) 509-1970 email: support@
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FS-8700-73 BACnet MSTP Driver Manual Page 18 of 24 Appendix B. Advanced Topics Appendix B.1. BACnet Object Names When an external BACnet Client builds a list of Object Names, the BACnet Server Map Descriptor name determines the BACnet Object Name. If the Map Descriptor length is greater than 1, then the Object Name will be suffixed with the index into the Map Descriptor. For example, if the Map Descriptor name is SMD_AI_01 and the length 3, then the Object Names will be SMD_AI_01[0
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FS-8700-73 BACnet MSTP Driver Manual Page 19 of 24 Appendix B.4. BACnet State Text Preload Method 1 – Using a Single Data Array: Data_Arrays Data_Array_Name, Data_Format, Data_Array_Length DA_MI_01, UINT16, 100 DA_STATE_TXT, BYTE, 200 Preloads Data_Array_Name, Preload_Data_Value, Preload_Data_Format, Preload_Data_Index DA_STATE_TXT, MyState1 MyState2 MyState3 MyState4 MyState5 MyState6, String, 0 Map_Descriptors Map_Desc
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FS-8700-73 BACnet MSTP Driver Manual Page 20 of 24 Appendix C. Troubleshooting Tips Appendix C.1. Debugging a BACnet connection: Hints and tips • Disconnect the FieldServer from the BACnet network when transferring images to the BCU. • If duplicate object instances are accidentally configured in the FieldServer, the second call of the instance will overwrite the first one. This may cause a BACnet Object to be “lost.” • If “Virtual_BCU_…” is not being indicated as the device desc
