Liebert FS-8704-02 User Manual

A Sierra Monitor Company

Driver Manual

(Supplement to the FieldServer Instruction Manual)

FS-8704-02 BACnet Ethernet

APPLICABILITY & EFFECTIVITY

Effective for all systems manufactured after May 1, 2001

Driver Version: 1.15
Document Revision: 17

FS-8704-02_BacnetEthernet.doc Driver Manual Table of Contents

TABLE OF CONTENTS

1. BACnet Ethernet Description.........................................................................................3

2. Driver Scope of Supply...................................................................................................4

2.1. Supplied by FieldServer Technologies for this driver....................................................4

2.2. Provided by the Supplier of 3rd Party Equipment...........................................................4

2.2.1. Hardware...................................................................................................................4

3. Hardware Connections...................................................................................................5

4. Configuring the FieldServer as a BACnet Ethernet Client..........................................6

4.1. Data Arrays ...................................................................................................................6

4.2. Client Side Connection Descriptions.............................................................................6

4.3. Client Side Node Descriptors........................................................................................7

4.4. Client Side Map Descriptors..........................................................................................8

4.4.1. FieldServer Related Map Descriptor Parameters......................................................8

4.4.2. Driver Related Map Descriptor Parameters ..............................................................8

4.4.3. Timing Parameters....................................................................................................8

4.4.4. Map Descriptor Examples.........................................................................................9

5. Configuring the FieldServer as a BACnet Ethernet Server.......................................10

5.1. Data Arrays .................................................................................................................10

5.2. Server Side Connection Descriptors...........................................................................10

5.3. Server Side Node Descriptors.....................................................................................11

5.4. Server Side Map Descriptors ......................................................................................12

5.4.1. FieldServer Specific Map Descriptor Parameters ...................................................12

5.4.2. Driver Specific Map Descriptor Parameters............................................................12

5.4.3. Map Descriptor Example.........................................................................................14

Appendix A. Advanced Topics...........................................................................................15

Appendix A.1. BACnet Object Names ................................................................................15

Appendix A.2. FieldServer implementation of BACnet priority Arrays ................................15

Appendix A.3. Accessing Priority Array information from other protocol drivers.................15

Appendix B. Troubleshooting ............................................................................................16

Appendix B.1. Debugging a BACnet connection: Hints and tips........................................16

Appendix B.2. BACnet Specific Statistics ...........................................................................16

Appendix C. Units................................................................................................................17

FS-8704-02_BacnetEthernet.doc Driver Manual Page 3 of 20

1. BACnet Ethernet Description

The BACnet Ethernet driver allows the FieldServer to transfer data to and from devices over
Ethernet using BACnet Ethernet 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.

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 4 of 20

2. Driver Scope of Supply

2.1. Supplied by FieldServer Technologies for this driver

FieldServer Technologies

PART #

Description

FS-8915-10 UTP cable (7 foot) for Ethernet connection
FS-8704-02 Driver Manual

2.2. Provided by the Supplier of 3rd Party Equipment

2.2.1. Hardware

Part # Description

Trane Building Control Unit (BCU)

Building control unit (BCU) with internal
Ethernet adapter.

Ethernet 10/100 BaseT hub∗

∗

Not all FieldServer models support 100BaseT. Consult the appropriate instruction manual for details of

the Ethernet speed supported by specific hardware.

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 5 of 20

3. Hardware Connections

It is possible to connect a BACnet Ethernet device using the N1 or the N2 network ports. These
ports just need to be configured for BACnet Ethernet in the configuration file.

Configure the Controller according to manufacturer’s instructions

Controller

Ethernet Interface

SITE

ETHERNET

FS-8915-10

FS-8915-10

FIELDSERVER

BACNET ETHERNET

CONNECTION DIAGRAM

BASE NAME:
FILE NAME:

(408)-262-2299

DATE: 6/29/04
BY: MC

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 6 of 20

4. Configuring the FieldServer as a BACnet Ethernet 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 Ethernet Server.

4.1. Data Arrays

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

Data_Array_Name Provide name for Data Array
Data_Array_Format

Provide data format. Each Data Array
can only take on one format.
Number of Data Objects. Must be

Data_Array_Length

larger than the data storage area
required by the Map Descriptors for
the data being placed in this array.

Example

// Data Arrays
Data_Arrays

Data_Array_Name, Data_Format, Data_Array_Length
DA_AI_01, Float, 200
DA_AO_01, Float, 200
DA_DI_01, Bit, 200
DA_DO_01, Bit, 200

Up to 15 alphanumeric
characters

FLOAT, BIT

1-10,000

4.2. Client Side Connection Descriptions

Section Title

Adapter

Column Title Function Legal Values

Adapter Adapter Name N1, N21
Protocol Specify protocol used Bacnet_Eth
Poll Delay* Time between internal polls 0-32000s; 0.500s

1

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: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 7 of 20

Example

// Client Side Connections
Connections

Adapter, Protocol, Poll_Delay
N1, Bacnet_Eth, 0.500s

4.3. Client Side Node Descriptors

Section Title

Nodes

Column Title Function Legal Values

Node_Name Provide name for node
Node_ID

BACnet station address of physical

Server node
Protocol Specify protocol used Bacnet_Eth
Adapter Specify port Adapter used N1

Example

// Client Side Nodes
Nodes

Node_Name, Node_ID, Protocol, Adapter
BCU_01, 1, Bacnet_Eth, N1

Up to 32 alphanumeric
characters

1-16777215

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Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 8 of 20

4.4. Client Side Map Descriptors

4.4.1. FieldServer Related Map Descriptor Parameters

Column Title Function Legal Values

Map_Descriptor_Name

Data_Array_Name

Data_Array_Offset
Function

Name of this Map
Descriptor
Name of Data Array where
data is to be stored in the
FieldServer
Starting location in Data
Array
Function of Client Map
Descriptor

Up to 32 alphanumeric
characters
One of the Data Array names
from “Data Array” section
above
0 to maximum specified in
“Data Array” section above

RDBC

4.4.2. Driver Related Map Descriptor Parameters

Column Title Function Legal Values

Node_Name

Name of Node to
fetch data from

Data_Type Data type
Property

Data_Array_Low_Scale*

Data_Array_High_Scale*

Node_Low_Scale*
Node_High_Scale*

The BACnet
property to be read

Scaling zero in
Data Array

Scaling max in Data
Array

Scaling zero in
Connected Node
Scaling max in
Connected Node

One of the node names specified in
“Client Node Descriptor” above

Note 2

Present_Value

-32767 to 32767, 0

-32767 to 32767, 10000

-32767 to 32767, 0

-32767 to 32767, 100

4.4.3. Timing Parameters

Column Title Function Legal Values

Scan_Interval Rate at which data is polled 0-32000s, 20s

Note 2

- ANALOG INPUT

AI

- ANALOG_OUTPUT

AO

- ANALOG_VALUE

AV

- BINARY_INPUT

BI

- BINARY_OUTPUT

BO

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- BINARY_VALUE

BV

- MULTI_STATE_INPUT

MI

- MULTI_STATE_OUTPUT

MO

- MULTI_STATE_VALUE

MV

FS-8704-02_BacnetEthernet.doc Driver Manual Page 9 of 20

4.4.4. Map Descriptor Examples

// Client Side Map Descriptors
Map_Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Data_Type, Object_ID, Property, Scan_Interval
CMD_AI_01, DA_AI_01, 0, RDBC, BCU_01, AI, 1, Present_Value, 20.000s
CMD_AI_02, DA_AI_01, 1, RDBC, BCU_01, AI, 2, Present_Value, 20.000s
CMD_AI_03, DA_AI_01, 2, RDBC, BCU_01, AI, 3, Present_Value, 20.000s
CMD_AO_01, DA_AO_01, 0, RDBC, BCU_01, AO, 1, Present_Value, 30.000s
CMD_AO_02, DA_AO_01, 1, RDBC, BCU_01, AO, 2, Present_Value, 30.000s
CMD_AO_03, DA_AO_01, 2, RDBC, BCU_01, AO, 3, Present_Value, 30.000s
Map_Descriptors
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Data_Type, Object_ID, Property, Scan_Interval
CMD_DI_01, DA_DI_01, 0, RDBC, BCU_01, DI, 1, Present_Value, 15.000s
CMD_DI_02, DA_DI_01, 1, RDBC, BCU_01, DI, 2, Present_Value, 15.000s
CMD_DI_03, DA_DI_01, 2, RDBC, BCU_01, DI, 3, Present_Value, 15.000s
CMD_DO_01, DA_DO_01, 0, RDBC, BCU_01, DO, 1, Present_Value, 30.000s
CMD_DO_02, DA_DO_01, 1, RDBC, BCU_01, DO, 2, Present_Value, 30.000s
CMD_DO_03, DA_DO_01, 2, RDBC, BCU_01, DO, 3, Present_Value, 30.000s

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 10 of 20

5. Configuring the FieldServer as a BACnet Ethernet 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 on the
driver CD).

This section documents and describes the parameters necessary for configuring the FieldServer
to communicate with a BACnet Ethernet Client

The configuration file tells the FieldServer about its interfaces, and the routing of data required.
In order to enable the FieldServer for BACnet Ethernet 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. Data Arrays

Section Title

Data_Arrays

Column Title Function Legal Values

Data_Array_Name Provide name for Data Array Up to 15 alphanumeric characters
Data_Format Provides data format FLOAT, BIT
Data_Array_Length Number of Data Objects 1-10,000

Example

// Data Arrays
Data_Arrays

Data_Array_Name, Data_Format, Data_Array_Length
DA_AI_01, Float, 200
DA_AO_01, Float, 200
DA_DI_01, Bit, 200
DA_DO_01, Bit, 200

5.2. Server Side Connection Descriptors

Section Title

Connections

Column Title Function Legal Values

Adapter Adapter Name N1
Protocol Specify protocol used Bacnet_Eth

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 11 of 20

Example

// Server Side Connections
Connections

Adapter, Protocol

∗

N1, Bacnet_Eth

5.3. Server Side Node Descriptors

Section Title

Nodes

Column Title Function Legal Values

Node_Name Provide name for node
Node_ID

BACnet station address of physical
Server node

Protocol Specify protocol used Bacnet_Eth

Example

// Server Side Nodes
Nodes

Node_Name, Node_ID, Protocol
Virtual_BCU_11, 11, Bacnet_Eth

Up to 32 alphanumeric
characters

1-16777215

∗

Note that no connection information is necessary on Server side.

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 12 of 20

5.4. Server Side Map Descriptors

5.4.1. FieldServer Specific Map Descriptor Parameters

Column Title Function Legal Values

Map_Descriptor_Name

Data_Array_Name

Data_Array_Offset
Function

Name of this Map
Descriptor
Name of Data Array where
data is to be stored in the
FieldServer
Starting location in Data
Array
Function of Server Map
Descriptor

Up to 32 alphanumeric
characters
One of the Data Array
names from “Data Array”
section above
0 to maximum specified in
“Data Array” section above

Server

5.4.2. Driver Specific Map Descriptor Parameters

Column Title Function Legal Values

Node_Name

Name of Node to fetch
data from

Data_Type Data type in PLC
Object_ID Address of the object 0, 1, 2, 3, …

Property

The object property to
read

Units The object units
Data_Array_Low_Scale*
Data_Array_High_Scale*
Node_Low_Scale*
Node_High_Scale*
Active_Text2
Inactive_Text1

Scaling zero in Data
Array
Scaling max in Data
Array
Scaling zero in
Connected Node
Scaling max in
Connected Node
Specify the Active Text
property of the Object
Specify the Inactive Text
property of the Object
Specify the startup

Relinquish_Default1

Relinquish_Default
Property value for this

One of the node names
specified in “Server Node
Descriptor” above

Note 2

Present value
See Error! Reference source

not found.

-32767 to 32767, 0

-32767 to 32767, 100

-32767 to 32767, 0

-32767 to 32767, 100
Any legal BACnet ASCII string
Any legal BACnet ASCII string

Any legal BACnet ASCII string

Note 2

- ANALOG INPUT

AI

- ANALOG_OUTPUT

AO

- ANALOG_VALUE

AV

- BINARY_INPUT

BI

- BINARY_OUTPUT

BO

- DIGITAL_OUTPUT

DO

2

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: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

- BINARY_VALUE

BV

- MULTI_STATE_INPUT

MI

- MULTI_STATE_OUTPUT

MO

- MULTI_STATE_VALUE

MV

- DIGITAL_INPUT

DI

FS-8704-02_BacnetEthernet.doc Driver Manual Page 13 of 20

Object

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 14 of 20

5.4.3. Map Descriptor Example

// Server Side Map Descriptors
Map_Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Object_Type, Object_Instance Property, Units, Relinquish_Default
SMD_AI_01, DA_AI_01, 0, Server, Virtual_BCU_11, AI, 1, Present_Value, Degrees-Fahrenheit, ­SMD_AI_02, DA_AI_01, 1, Server, Virtual_BCU_11, AI, 2, Present_Value, Degrees-Fahrenheit, ­SMD_AI_03, DA_AI_01, 2, Server, Virtual_BCU_11, AI, 3, Present_Value, Degrees-Fahrenheit, ­SMD_AO_01, DA_AO_01, 0, Server, Virtual_BCU_11, AO, 1, Present_Value, percent-relative-humidity, 0
SMD_AO_02, DA_AO_01, 1, Server, Virtual_BCU_11, AO, 2, Present_Value, percent-relative-humidity, 0
SMD_AO_03, DA_AO_01, 2, Server, Virtual_BCU_11, AO, 3 Present_Value, percent-relative-humidity, 0

// Server Side Map Descriptors
Map_Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Object_Type, Object_Instance, Property Relinquish_Default
SMD_DI_01, DA_DI_01, 0, Server, Virtual_BCU_11, DI, 1, Present_Value ­SMD_DI_02, DA_DI_01, 1, Server, Virtual_BCU_11, DI, 2, Present_Value ­SMD_DI_03, DA_DI_01, 2, Server, Virtual_BCU_11, DI, 3, Present_Value ­SMD_DO_01, DA_DO_01, 0, Server, Virtual_BCU_11, DO, 1, Present_Value 0
SMD_DO_02, DA_DO_01, 1, Server, Virtual_BCU_11, DO, 2, Present_Value 0
SMD_DO_03, DA_DO_01, 2, Server, Virtual_BCU_11, DO, 3, Present_Value 0

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 15 of 20

Appendix A. Advanced Topics

Appendix A.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], SMD_AI_01[1] and SMD_AI_01[2].

Appendix A.2. FieldServer implementation of BACnet priority Arrays

When writing to a BACnet Output Object, a write priority value must be specified. When the
FieldServer receives the write value, it will be stored 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.

Appendix A.3. Accessing Priority Array information from other protocol

drivers

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

DA_Pri_Array

DA_Pri_Array_Offset Starting location in Data Array. 1-65535 (17)

DA_Pri_In_Use

DA_Pri_In_Use_Offset Starting location in Data Array. 1-65535 (17)

Table will be stored. Location 0 is the
Relinquish Default value and locations 1 to 16
the different entries of the Priority Array Table.

Name of Data Array that indicates if a
particular Priority Values is in use. Location 0
indicate if the Relinquish Default has been set
and locations 1 to 16 indicate if the index is in
use (1), or if it has been Relinquished (0).

Up to 16
alphanumeric
characters

Up to 16
alphanumeric
characters

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 16 of 20

Appendix B. Troubleshooting

Appendix B.1. Debugging a BACnet connection: Hints and tips

• Disconnect the FieldServer from the BACnet network when transferring BCU images to the
BCU.

• Should duplicate object instances be accidentally configured in the FieldServer, the second
call of the instance will overwrite the first one. This may result in a BACnet Object being
“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 to the SCADA system.
If the present value’s name is being indicated, but the present value shows question ma rks,
then it is most likely that the Client side of the FieldServer is not communicating.

• If new points are added to the FieldServer it is important to restart the Summit Workstation or
BCU, otherwise these new points might not be seen by the FieldServer.

Poll only the BACnet addresses that exist in the device when communicating with

•

Liebert systems. Polling addresses that are not configured in these systems will cause
the connection to fail. The newer versions of Lieberts do not suffer from this problem.
Please contact your Lieberts supplier for more information.
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

•

Appendix B.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
communications..
This is not an error. BACnet clients often
poll all properties of a particular object to
determine which properties are supported.

This is not an error - the BACnet client will
use a different method to read data from
the FieldServer.

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-Of­Service. It is not possible to write to Input
Objects.
This may be a problem on the Client
system. Consult the PIC statement to
determine what services are supported.

Link Control

Unsupported
Properties

Segmentation
Not Supported

Sequence Error

Write Access
Denied

Exception
Errors

A “who-is” link control message
was sent or received.

A request for an unsupported
property was received.

Data was requested but the
response would have exceeded the
maximum size of the APDU and
could not be sent using an un­segmented message.
Invoke ID of a reply did not match
the Invoke ID of the poll.

A write to an object was denied.

A BACnet Service was denied
because it is not supported

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Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

FS-8704-02_BacnetEthernet.doc Driver Manual Page 17 of 20

Appendix C. Units

Unit Variation 1 Variation 2 Variation 3

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 Deg-C Deg_C
degrees-celsius-per-hour
degrees-celsius-per-minute
Degrees-days-Celsius
Degrees-days-Fahrenheit
Degrees-Fahrenheit Deg-F Deg_F
degrees-fahrenheit-per-hour
degrees-fahrenheit-per-minute
Degrees-Kelvin Deg-K Deg_K
degrees-phase
delta-degrees-fahrenheit
delta-degrees-kelvin
feet
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

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 18 of 20

Unit Variation 1 Variation 2 Variation 3

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
kilovolt-amperes kilovolt-amps KVA
kilovolt-amperes-reactive KVAR
kilovolts
kilowatt-hour-per-square-foot
kilowatt-hour-per-square-meter
kilowatt-hours KWh
kilowatts KWh
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-amps
Megavolt-amperes-reactive MVAR
megavolts
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

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FS-8704-02_BacnetEthernet.doc Driver Manual Page 19 of 20

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 % RH Percent RH Percent RH
Per-hour
per-minute
per-second
pounds-force-per-square-inch PSI pounds-force-per-sq-inch
Pounds-mass
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 Gallons
us-gallons-per-minute GPM
Volt-Amperes Volt-Amps VA
volt-amperes-reactive VAR
Volts Voltage
watt-hours Wh
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: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]

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FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: [phone] Fax: [phone] Toll_Free: 888-509-1970 email: [e-mail]