FieldServer Network Router FS 8704 06 User Manual

A Sierra Monitor Company  
Driver Manual  
(Supplement to the FieldServer Instruction Manual)  
FS-8704-06 BACnet/IP  
APPLICABILITY & EFFECTIVITY  
Effective for all systems manufactured after September 2008  
Driver Version:  
Document Revision:  
1.16  
0
 
FS-8704-06 BACnet IP Driver Manual  
Page 3 of 24  
1.  
BACnet IP Description  
The BACnet/IP driver allows the FieldServer to transfer data to and from devices over Ethernet using  
BACnet/IP protocol. The FieldServer can emulate either a Server or Client.  
The information that follows describes how to expand upon the factory defaults provided in the  
configuration files included with the FieldServer.  
2.  
Driver Scope of Supply  
2.1. Supplied by FieldServer Technologies for this driver  
FieldServer Technologies  
PART #  
FS-8915-10  
Description  
UTP cable (7 foot) for Ethernet connection1  
2.2.  
2.2.1.  
Provided by the Supplier of 3rd Party Equipment  
Hardware  
Part #  
Description  
Ethernet 10/100 BaseT hub2  
1
This cable is necessary for connection to the driver. It is shipped with the FieldServer and not  
separately with the driver.  
2 Not all FieldServer models support 100BaseT. Consult the appropriate instruction manual for details of  
the Ethernet speed supported by specific hardware.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 4 of 24  
3.  
Hardware Connections  
It is possible to connect a BACnet/IP device using the N1 or the N23 network ports. These ports need to  
be configured for BACnet/IP in the configuration file.  
Configure the Controller according to manufacturer’s instructions  
Controller  
Ethernet Interface  
SITE  
FS-8915-10  
ETHERNET  
FS-8915-10  
(408)-262-2299  
FIELDSERVER  
BACNET IP  
CONNECTION DIAGRAM  
BASE NAME:  
FILE NAME:  
DATE: 12/28/04  
BY: MC  
3
Not all ports shown are necessarily supported by the hardware. Consult the appropriate Instruction  
manual for details of the ports available on specific hardware.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 5 of 24  
4.  
Configuring the FieldServer as a BACnet IP 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 configuring the FieldServer to  
communicate with a BACnet/IP Server.  
4.1.  
Data Arrays/Descriptors  
The configuration file tells the FieldServer about its interfaces, and the routing of data required. In  
order to enable the FieldServer for BACnet/IP communications, the driver independent FieldServer  
buffers need to be declared in the “Data Arrays” section, the destination device addresses need to be  
declared in the “Client Side Nodes” section, and the data required from the Servers needs to be  
mapped in the “Client Side Map Descriptors” section. Details on how to do this can be found below.  
Note that in the tables, * indicates an optional parameter, with the bold legal value being the default.  
Section Title  
Data_Arrays  
Column Title  
Function  
Legal Values  
Up to 15 alphanumeric  
characters  
Data_Array_Name  
Provide name for Data Array  
Float, Bit, Uint16, Uint32,  
Sint16, Sint32, Packed_Bit,  
Byte, Packed_Byte,  
Swapped_Byte  
Provide data format. Each Data Array  
can only take on one format.  
Data_Array_Format  
Data_Array_Length  
Number of Data Objects. Must be larger  
than the data storage area required by the  
Map Descriptors for data placed in this  
array.  
1-10,000  
Example  
// Data Arrays  
Data_Arrays  
Data_Array_Name,  
DA_AI_01,  
DA_AO_01,  
DA_DI_01,  
Data_Array_Format,  
Data_Array_Length  
Float,  
Float,  
Bit,  
200  
200  
200  
200  
DA_DO_01,  
Bit,  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 6 of 24  
4.2.  
Client Side Connection Descriptions  
Section Title  
Adapter  
Column Title  
Adapter  
Function  
Legal Values  
N1, N24  
Adapter Name  
Protocol  
Specify protocol used  
BACnet_IP  
Poll_Delay*  
Time between internal polls  
Specify the UDP port that will be used to  
communicate with other BACnet Client devices.  
0-32000s; 0.25s  
Any legal IP port value  
(1 - 65535); 47808  
IP_Port*  
Example  
// Client Side Connections  
Connections  
Adapter,  
N1,  
Protocol,  
Bacnet_IP,  
Poll_Delay  
0.500s  
4.3.  
Client Side Node Descriptors  
Section Title  
Nodes  
Column Title  
Function  
Provide name for Node  
Legal Values  
Up to 32 alphanumeric  
characters  
Node_Name  
Node_ID  
BACnet station address of physical Server  
node  
1 - 4194303  
Protocol  
Adapter  
Specify protocol used  
Specify port Adapter used  
BACnet_IP  
N1, N24  
Example  
// Client Side Nodes  
Nodes  
Node_Name,  
BCU_01,  
Node_ID,  
1,  
Protocol,  
Bacnet_IP,  
Adapter  
N1  
4
Not all ports shown are necessarily supported by the hardware. Consult the appropriate Instruction  
manual for details of the ports available on specific hardware.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 7 of 24  
4.4.  
4.4.1.  
Client Side Map Descriptors  
FieldServer Related Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Legal Values  
Up to 32 alphanumeric  
characters  
Map_Descriptor_Name  
Name of this Map Descriptor  
Name of Data Array where  
data is to be stored in the  
FieldServer  
One of the Data Array names  
from “Data Array” section above  
Data_Array_Name  
Data_Array_Offset  
Function  
Starting location in Data Array  
Function of Client Map  
Descriptor  
0 to (“Data_Array_Length” -1)  
Rdbc, Wrbc, Wrbx, Ars  
4.4.2.  
Driver Related Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Legal Values  
One of the Node_Names  
specified in “Client Side Node  
Descriptors” above  
Node_Name  
Data_Type  
Name of remote Server Node.  
AI, AO, AV, BI, BO, BV, MI,  
Data type  
MO, MV5  
Object_ID  
Property*  
Address of the object  
The BACnet property to be read  
0, 1, 2, 3, …4194303  
Present_Value  
Data_Array_Low_Scale* Scaling zero in Data Array  
Data_Array_High_Scale* Scaling max in Data Array  
-32767 to 32767, 0  
-32767 to 32767, 100  
Node_Low_Scale*  
Node_High_Scale*  
Scaling zero in Connected Node  
Scaling max in Connected Node  
Allows the driver to specify the  
write priority used to write an  
output. See also Appendix B.2  
This over-writes the Data_Type  
with a numerical value for the  
Data_Type. e.g. Analog Value =  
2
-32767 to 32767, 0  
-32767 to 32767, 100  
Write_Priority*  
Custom Type  
Custom_Prop  
1..16, 16  
1..1023  
This over-writes the Property with  
a numerical value for the  
1..4194303  
property. e.g. Present Value = 85  
4.4.3.  
Timing Parameters  
Section Title  
Map Descriptors  
Column Title  
Scan_Interval*  
Function  
Rate at which data is polled  
Legal Values  
0-32000s, 2s  
5 Refer to Appendix A.1 for further information.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
 
FS-8704-06 BACnet IP Driver Manual  
Page 9 of 24  
5.  
Configuring the FieldServer as a BACnet IP 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” files provided with the FieldServer).  
This section documents and describes the parameters necessary for configuring the FieldServer to  
communicate with a BACnet/IP Client.  
The configuration file tells the FieldServer about its interfaces, and the routing of data required. In order to  
enable the FieldServer for BACnet/IP communications, the driver independent FieldServer buffers need  
to be declared in the “Data Arrays” section, the FieldServer virtual node(s) needs to be declared in the  
“Server Side Nodes” section, and the data to be provided to the Clients needs to be mapped in the  
“Server Side Map Descriptors” section. Details on how to do this can be found below.  
Note that in the tables, * indicates an optional parameter, with the bold legal value being the default.  
5.1.  
Driver Specific FieldServer Parameters  
Section Title  
Bridge  
Column Title  
Function  
FieldServer name  
Legal Values  
Title  
Text  
Specify a unique network number  
if there are multiple virtual Server  
nodes.  
1-65535  
5
Network_number*  
Example  
// FieldServer Driver specific parameters  
Bridge  
Title,  
Network_Number  
BACnet Server,  
6
5.2.  
Server Side Connection Descriptors  
Section Title  
Connections  
Column Title  
Adapter  
Function  
Legal Values  
Adapter Name  
N1, N26  
Protocol  
Specify protocol used  
BACnet_IP  
Specify if this Connection should act as a BBMD  
Server on the network. Refer to Appendix B.5 for BBMD  
Connection_Type*7  
more information.  
Specify the UDP port that will be used to  
communicate with other BACnet Client devices.  
Any legal IP port value  
(1 - 65535); 47808  
IP_Port*  
Example  
// Server Side Connections  
Connections  
Adapter,  
N1,  
Protocol,  
Bacnet_IP,  
Connection_Type  
BBMD  
6 Not all ports shown are necessarily supported by the hardware. Consult the appropriate Instruction  
manual for details of the ports available on specific hardware.  
7 BBMD only runs on N1 on an X30.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 10 of 24  
5.3.  
Server Side Node Descriptors  
Section Title  
Nodes  
Column Title  
Function  
Provide name for node  
Legal Values  
Up to 32 alphanumeric  
characters  
Node_Name  
BACnet station address of physical  
Server node  
Specify protocol used  
Node_ID  
Protocol  
1 - 4194303  
BACnet_IP  
Example  
// Server Side Nodes  
Nodes  
Node_Name,  
Virtual_BCU_11,  
8
Node_ID,  
11,  
Protocol  
Bacnet_IP  
5.4.  
5.4.1.  
Server Side Map Descriptors  
FieldServer Specific Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Legal Values  
Up to 32 alphanumeric  
characters  
Map_Descriptor_Name  
Name of this Map Descriptor  
Name of Data Array where  
data is to be stored in the  
FieldServer  
One of the Data Array names  
from “Data Arrays” section  
above  
Data_Array_Name  
Data_Array_Offset  
Function  
Starting location in Data Array  
Function of Server Map  
Descriptor  
0 to (“Data_Array_Length” -1)  
Server  
8 Note that adapter is not declared under Server Side Nodes.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 11 of 24  
5.4.2.  
Driver Specific Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Legal Values  
One of the Node Names  
specified in “Server Side  
Node Descriptors” above  
AI, AO, AV, BI, BO, BV, MI,  
MO, MV9  
Node_Name  
Name of Node to fetch data from  
Data_Type  
Data type in Controller  
Object_ID  
Property  
Address of the object  
0, 1, 2, 3, …4194303  
Present_Value  
The object property to read  
Refer to Appendix D,  
No-Units  
Units*  
The object units  
Data_Array_Low_Scale* Scaling zero in Data Array  
Data_Array_High_Scale* Scaling max in Data Array  
-32767 to 32767, 0  
-32767 to 32767, 100  
-32767 to 32767, 0  
Node_Low_Scale*  
Node_High_Scale*  
Active_Text10  
Scaling zero in Connected Node  
Scaling max in Connected Node  
-32767 to 32767, 100  
Specify the Active Text property of  
the Object  
Any legal BACnet Ascii  
string  
Specify the Inactive Text property of Any legal BACnet Ascii  
Inactive_Text10  
the Object  
string  
Specify the startup  
Relinquish_Default Property value  
for this Object  
Relinquish_Default10  
Any Float value  
This over-writes the Data_Type with  
a numerical value for the  
Data_Type. e.g. Analog Value = 2  
This over-writes the Property with a  
numerical value for the property.  
e.g. Present Value = 85  
Custom_Type  
Custom_Prop  
1..1023  
1..4194303  
9 Refer to Appendix A.1 for further information.  
10 See the BACnet DFS to determine if a particular object supports this property  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
 
FS-8704-06 BACnet IP Driver Manual  
Appendix A. Driver Notes  
Page 13 of 24  
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 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Appendix B. Advanced Topics  
Page 14 of 24  
Appendix B.1.  
BACnet object names  
When an external BACnet Client builds a list of Object Names, the BACnet Server Map Descriptor  
names determine the BACnet Object Name. If the Map Descriptor length is greater than 1, 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], SMD_AI_01[1]  
and SMD_AI_01[2].  
Appendix B.2.  
BACnet Priority Arrays  
FieldServer implementation of BACnet priority Arrays  
When BACnet Output objects are written to the Server side of the FieldServer, an associated write  
priority is given to each write value. When the FieldServer receives the write value, it stores it to the  
Map Descriptor Priority Array Table at the specified priority. The Priority Array Table is then scanned  
and the value with the highest priority is stored to the Data Array location specified by the Map  
Descriptor.  
When a Write “Relinquished” command is received, the value is removed from the Priority Array  
Table and the next highest value from the Priority Array Table is stored to the Data Array.  
If all values have been “Relinquished” from the Priority Array Table, then the Map Descriptors  
“Relinquish Default” value will be stored to the Data Array.  
Accessing Priority Array information  
The Priority Array table and its “In_Use” (or Not Relinquished) state are stored internally to every Map  
Descriptor, and cannot be accessed directly. If the following data arrays are specified, however, they  
will maintain an exact copy of the Priority Array Table for the Map Descriptor. Thus the Priority Array  
Table can be accessed.  
Section Title  
Map_Descriptors  
Column Title  
Function  
Legal Values  
Name of Data Array where the Priority Array Table  
will be stored. Location 0 is the Relinquish Default  
value and locations 1 to 16 the different entries of the  
Priority Array Table.  
Up to 16  
alphanumeric  
characters  
DA_Pri_Array  
DA_Pri_Array_Offset*  
DA_Pri_In_Use  
Starting location in Data Array.  
1-65535 ,0  
Name of Data Array that indicates if a particular  
Priority Value is in use. Location 0 indicates whether  
the Relinquish Default has been set and locations 1  
to 16 indicate whether the index is in use (1), or  
Relinquished (0).  
Up to 16  
alphanumeric  
characters  
DA_Pri_In_Use_Offset* Starting location in Data Array.  
1-65535, 0  
Appendix B.3.  
Limitations of the BACnet Read_Property_Multiple service.  
The BACnet PTP client driver can read multiple BACnet objects using the Read_Property_Multiple  
service under the following conditions:  
The number of objects to be read must not exceed 29.  
No gaps must exist in the range of object to be read.  
The Map Descriptor function must be of the Read type. (e.g. Rdbc)  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 15 of 24  
The Map Descriptor property must be Present_Value.  
Appendix B.4.  
IP Address Issues related to BACnet IP  
It is not necessary to configure the IP address of the Server node in the Client Side Node Descriptor  
in the configuration file since the BACnet Client will automatically discover the IP address based on  
the Node_ID supplied. It is still necessary for the FieldServer itself to have a valid IP address,  
however. Please refer to the FieldServer Utilities Manual for instructions on changing the FieldServer  
IP address.  
Appendix B.5.  
Network number  
The default Network number of a FieldServer is 5. In order to ensure communication between the  
BACnet Client and all Servers on a BACnet network, however, it may be necessary to assign a  
unique network number to each FieldServer.  
A unique network number will need to be assigned if both of the following conditions are true:  
The FieldServer has multiple BACnet Server nodes.  
There is more than one FieldServer on a network which includes multiple BACnet nodes.  
To override the FieldServer’s default network number 5, refer to Section 5.1  
Appendix B.6.  
Using BBMD  
BACnet/IP requires that a BBMD be defined on every subnet for cross-router communications. The  
FieldServer can act as a BBMD for the subnet that it resides on. Setting the Connection_Type to  
BBMD will enable this functionality on the FieldServer. Note that BBMD operation is not required if  
there is already another BBMD on the network.  
Setting up a Broadcast Distribution Table (BDT)  
The FieldServer supports two methods of updating its internal broadcast distribution table.  
Trane’s Tracer Summit IP Validation utility can be used directly to upload and download a  
Broadcast Distribution Table.  
The Broadcast Distribution Table can be configured using the bdt.ini file. The following file must  
be created and downloaded to the FieldServer using the Ruinet “Download Configuration”  
command.  
//  
BBMD IP_Address,  
24.90.48.179,  
64.80.115.156,  
BBMD port,  
47808,  
47808,  
BBMD subnet Mask  
255.255.255.255  
255.255.255.255  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
BBMD Configuration Example  
Page 16 of 24  
Using the following configuration, a PC using BACnet explorer is able to browse and display the  
contents of two FieldServers. The following image shows the BACnet explorer screen.  
The following diagram shows the layout of the connections between the FieldServers and the PC via  
a router.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 17 of 24  
BBMD Block Diagram  
FS1  
192.168.0.49 IP  
255.255.255.0 Mask  
192.168.0.50 GW  
Node=11275  
Router  
192.168.0.50 IP  
255.255.255.0 Mask  
0.0.0.0  
GW  
255.255.255.0 Mask  
192.68.1.1  
IP  
PC  
192.168.1.111 IP  
255.255.255.0 Mask  
192.168.1.1  
GW  
FS2  
192.168.1.84 IP  
255.255.255.0 Mask  
192.168.1.1  
GW  
Node=11276  
bdt.ini  
BBMD IP_Address,  
192.168.1.84,  
192.168.0.49,  
BBMD port,  
47808,  
47808,  
BBMD subnet Mask  
255.255.255.255  
255.255.255.255  
Configuration of the FieldServers is shown in the following examples.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
 
 
 
FS-8704-06 BACnet IP Driver Manual  
Appendix C. Troubleshooting Tips  
Page 21 of 24  
Appendix C.1.  
Debugging a BACnet connection  
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 description for the FieldServer on the  
BACnet SCADA system, then the FieldServer is not communicating with the SCADA system. If  
the Present_Value’s name is being indicated, but the Present_Value shows question marks, then  
it is most likely that the Client side of the FieldServer is not communicating.  
Polling BACnet addresses that are not configured for Liebert systems may cause the connection  
to fail in older versions of Liebert. Please contact your Liebert supplier for more information.  
Some of the BACnet IP features result in the creation of files (priarray.ini; desc.ini; alarms.ini) on  
the FieldServer. Sometimes updates of firmware can result in these files becoming outdated.  
Deleting these files will restore configuration defaults and may assist with configuration errors.  
Extra memory is required to store Map Descriptors that have the active/inactive text parameters  
specified. If the defaults are appropriate, do not specify these parameters. This will save  
memory and allow more Map Descriptors to be created  
McQuay Units are shipped with a default Device instance of the last 6 digits of the McQuay  
Serial number.  
Trane Specific Tips  
When new points are added to the FieldServer it is important to restart Summit Workstation or  
BCU, otherwise these new points may not be seen by the FieldServer.  
Disconnect the FieldServer from the BACnet network when transferring images to the BCU.  
Appendix C.2.  
BACnet Specific Statistics  
Stat  
Description  
Resolution  
It is normal to receive a few link control  
messages. If the number is higher than the  
transmit/receive messages, however, there  
may be a problem with lost  
A “who-is” link control message  
was send or received.  
Link Control  
communications..  
This is not an error. BACnet clients often  
poll all properties of a particular object to  
determine which properties are supported.  
Unsupported  
Properties  
A request for an unsupported  
property was received  
Data was requested but the  
response would have exceeded the This is not an error - the BACnet client will  
Segmentation  
Not Supported  
maximum size of the APDU and  
could not be sent using an un-  
segmented message.  
use a different method to read data from  
the FieldServer.  
Invoke ID of a reply did not match  
the Invoke ID of the poll.  
You should not see this message. It  
normally indicates a configuration error.  
This typically happens when trying to write  
to an Input Object that is not Out-Of-  
Service. It is not possible to write to Input  
Objects.  
Sequence Error  
Write Access  
Denied  
A write to an object was denied.  
This may be a problem on the Client  
system. Consult the PIC statement to  
determine what services are supported.  
Exception  
Errors  
A BACnet Service was denied  
because it is not supported  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Appendix D. Units  
Page 22 of 24  
Variation 3  
Unit  
Variation 1  
Variation 2  
Amperes  
Amps  
A
Bars  
BTUs  
BTUs-per-hour  
btus-per-pound  
btus-per-pound-dry-air  
centimeters  
centimeters-of-mercury  
centimeters-of-water  
cubic-feet  
cubic-feet-per-minute  
cubic-feet-per-seconds  
cubic-meters  
cubic-meters-per-hour  
cubic-meters-per-seconds  
Currency1  
Currency2  
Currency3  
Currency4  
Currency5  
Currency6  
Currency7  
Currency8  
Currency9  
Currency10  
cycles-per-hour  
cycles-per-minute  
days  
degrees-angular  
Degrees-Celsius  
degrees-Celsius-per-hour  
degrees-Celsius-per-minute  
Degrees-days-Celsius  
Degrees-days-Fahrenheit  
Degrees-Fahrenheit  
degrees-Fahrenheit-per-hour  
degrees-Fahrenheit-per-minute  
Degrees-Kelvin  
degrees-phase  
delta-degrees-Fahrenheit  
delta-degrees-Kelvin  
feet  
Deg-C  
Deg_C  
Deg-F  
Deg-K  
Deg_F  
Deg_K  
feet-per-minute  
feet-per-second  
foot-candles  
grams-water-per-kg-dry-air  
hectopascals  
Hertz  
Hz  
Horsepower  
HP  
hours  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 23 of 24  
Variation 3  
Unit  
Variation 1  
Variation 2  
imperial-gallons  
imperial-gallons-per-min  
inches  
inches-of-mercury  
inches-of-water  
Joules  
joules-per-degree-kelvin  
joules-per-kilogram-degree-kelvin  
joules-per-kilogram-dry-air  
Kilograms  
Kg  
kilograms-per-hour  
kilograms-per-minute  
kilograms-per-second  
Kilohertz  
KHz  
kilohms  
Kilojoules  
kilojoules-per-kilogram  
kilometers-per-hour  
Kilopascals  
KPa  
kilovolt-amperes  
kilovolt-amperes-reactive  
kilovolts  
kilovolt-amps  
KVAR  
KVA  
kilowatt-hour-per-square-foot  
kilowatt-hour-per-square-meter  
kilowatt-hours  
kilowatts  
KWh  
KW  
liters  
liters-per-hour  
liters-per-minute  
liters-per-second  
lumens  
luxes  
Megahertz  
MHz  
megajoules  
megajoules-per-square-foot  
megajoules-per-square-meter  
megavolt-amperes  
Megavolt-amperes-reactive  
megavolts  
megavolt-amps  
MVAR  
megawatts  
MW  
megohms  
meters  
meters-per-second  
miles-per-hour  
milliamperes  
milliamps  
millibars  
millimeters  
millimeters-of-mercury  
Millivolts  
Milliwatts  
minutes  
months  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 
FS-8704-06 BACnet IP Driver Manual  
Page 24 of 24  
Unit  
Variation 1  
Variation 2  
Variation 3  
No-Units  
No Units  
No_Units  
None  
ohms  
parts-per-billion  
parts-per-million  
Pascals  
Percent  
percent-obscuration-per-foot  
percent-obscuration-per-meter  
percent-per-second  
percent-relative-humidity  
Per-hour  
per-minute  
per-second  
pounds-force-per-square-inch  
Pounds-mass  
% RH; %RH  
PSI  
Percent RH;  
PercentRH  
pounds-force-per-sq-inch  
pounds-mass-per-hour  
pounds-mass-per-minute  
pounds-mass-per-second  
Power-Factor  
PF  
psi-per-degrees-fahrenheit  
radians  
revolutions-per-minute  
seconds  
Secs  
S
square-centimeters  
square-feet  
square-inches  
square-meters  
Therms  
ton-hours  
Tons  
Tons-refrigeration  
US-gallons  
us-gallons-per-minute  
Volt-Amperes  
volt-amperes-reactive  
Volts  
watt-hours  
Gallons  
GPM  
Volt-Amps  
VAR  
Voltage  
Wh  
VA  
Watts  
W
watts-per-square-foot  
watts-per-square-meter  
watts-per-square-meter-degrees-kelvin  
weeks  
years  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com  
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]  
 

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