Instruction Manual Supplement
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4320 Wireless Position Monitor
Fisher™ 4320 Wireless Position Monitor Burst
Configuration and Diagnostics
This document applies to:
Device Type 1308 (hex) 4872 (decimal)
Device Revision 4
Firmware Revision 5
DD Revision 1
This document will guide you through burst configuration and diagnostics using AMS Device Manager.
Note
Burst can be configured similarly using the 475 Field Communicator.
manual (D103621X012
www.Fisher.com for the Field Communicator menu trees, as well as 4320 wireless position monitor
installation, setup and maintenance information.
), available from your Emerson Automation Solutions sales office or at
Refer to the 4320 instruction
October 2016
This supplement also pertains to TopWorx™ 4310 Wireless Position Monitors with On/Off Control Option (Supported Status),
Device Type E0CE (hex) 57550 (decimal). See instruction manual D103622X012
regarding the 4310 wireless position monitor.
Access burst configuration in the Broadcast Information group from the Wireless tab in Configure, Manual Setup.
, available at www.Fisher.com, for information
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When connected at the maintenance port, this screen shows the Network ID and the Basic content assignment for
each burst message. When AMS is communicating with the device over the wireless network, these variables are not
displayed to help the screen load a little faster. Select the View/Configure Message 0, 1, or 2 buttons to see the
complete burst configuration for that message.
For each Burst Message the following menu items are displayed: Enabled/Disabled, Message Content, Content Details (this
group bears the label of the selection in Message Content), Trigger Mode, and Trigger Parameters. For an explanation of
any of the parameters, position the cursor in the value box for the parameter and press the F1 (HELP) key.
View/Configure Burst Message
This menu is readonly. Use the Modify button to make changes to these settings. Select Accept or Cancel to exit the
procedure.
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After clicking Modify, you are guided through the burst configuration process. If you only want to adjust one or two
parameters, accept the existing settings for the parameters you don’t need to change as you page through the
procedure.
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Message Content
The first choice presented is the basic Message Content.
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Choose between:
D Primary Variable (command 1)
D PV %Range, Loop Current (command 2)
D Dynamic Variables, Current (command 3)
D Selected Device Variables (command 9)
D Additional Device Status (command 48)
D Emerson Specific (command 178 Dynamic Variables and Additional Status)
D Discrete Variables (command 64386)
The normal or typical setting is “Selected Device Variables”.
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Contents
Three of the Message Content choices allow you to adjust the fine detail of the burst message contents. Assign basic
content to the messages based on your application requirements:
D If the device is a monitor and you only need to track one parameter, you may be able to use only one message
bursting the Primary Variable.
D If you need to track only 2 or 3 variables and the alerts, you could enable 2 messages and assign Dynamic
Variables and Current to one and Additional Device Status to the other.
D If you are using an Emerson Gateway that configuration can be reduced to a single active message bursting the
Emerson Specific content.
D If you have a lot of parameters to track, Selected Device Variables will probably be used for at least one message.
D If you are using many parameters but need some at a faster rate than others, you could assign Selected Device
Variables as the basic content of two different messages, assign the fast update variables to one of them and the
slow variables to the other, and schedule their publication accordingly.
D For On/Off control devices, you must publish Discrete Variables in one of the messages.
Selected Device Variables (Command 9) is one of the choices that allow detailed content adjustment:
SELECTED DEVICE VARIABLES
IS THE NORMAL OR TYPICAL
SETTING FOR AN ON/OFF
CONTROL APPLICATION
You may assign the desired device variables to individual slots in the message. The variable placed in the first slot
becomes the Trigger Variable when burst trigger modes other than Continuous or OnChange are selected, so it is
advisable that the variable in that slot be chosen carefully. Using a variable that never changes, like Loop Current, or
one that dithers, such as Temperature, might be a poor choice for certain trigger modes. Usually the Trigger Variable
should be the parameter whose change is most representative of the process state you are monitoring.
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Some of the available device variables are not computed in the device in a given structure or operating mode. These
are marked with an asterisk in the dropdown list that appears when you edit a slot.
Dynamic Variables and Current (Command 3) is the second choice that allows detailed adjustment:
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Here you can edit the 2nd, 3rd, and 4th Dynamic Variable slots. The Primary Variable is fixed. Loop Current is also
published in this command, although it is always Not a Number, Bad, and Constant in the wireless device. The Loop
Current value is sometimes needed by control system hosts, such as a DeltaV
™
system.
Make certain that any information that the host needs from the device is being published by the device in a timely
manner. If data is not being published, it is not available in the Gateway cache and the network manager application
will have to send a special request to the device to obtain that data every time a host requests it. This behavior uses up
a lot of the available bandwidth, and the network can become clogged if too many devices have data that is not being
published.
Emerson Specific (Command 178) is the third:
Here you can also edit the 2nd, 3rd, and 4th Dynamic Variable slots. The Trigger Variable is the Primary Variable in the
above two cases.
If there are no slots to configure in the detailed content, the content is simply displayed.
Primary Variable (Command 1):
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PV % Range, Loop Current (Command 2):
Additional Device Status (Command 48):
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Discrete Variables (Command 64386):
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Burst Trigger Mode
You are then asked to select the Trigger Mode (Continuous, Windowed, Rising, Falling, or OnChange). Continuous and
Windowed are used in the majority of applications. The function of each of these modes is discussed below.
Some basic content choices, such as PV %Range +Loop Current, Additional Device Status, Emerson Specific, and Discrete
Variables, have limited triggering capability. In those cases only the available trigger modes are displayed, e.g.:
The burst message can be published continuously at a constant rate, or it can be configured for fast publishing when
trigger conditions are met, with slower publishing as the default. This is often termed “Report by Exception”. Instead
of Continuous, choose one of the “triggered” modes: Windowed, Rising, Falling, or OnChange.
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Trigger Parameters / Scheduling
This menu structure varies based on the Message Content and Trigger Mode selections.
Update Rates
If you select Continuous trigger mode, the only parameter that is adjustable is the Triggered Update Rate.
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When the selected trigger mode is other than Continuous, a Default Update Rate is added to the parameters to be
configured. The message will be published at the Default Update Rate until the trigger condition is met. When the
trigger condition has been met, the message will be published at the Triggered Update Rate for at least 3 transmissions.
Then, if the trigger condition is no longer met, the message will revert to publication at the slower Default Update Rate.
Note that the legal values of the update rate parameters are somewhat restricted. The longest permitted value is
1 hour (3600 seconds), the shortest usable value may be limited by the Gateway capability and network loading.
Values below 60 seconds must be factors of 2: (e.g., 32, 16, 8, 4, 2, or 1).
Sensor Sample Rate and Delayed Triggering
When the trigger mode of any message is other than Continuous, the device employs a userconfigured Sensor Sample
Rate for acquiring all of the processrelated variables. The value of this variable may be adjusted between 0.5 second
and the Triggered Update Rate in increments of 0.5 second. (Exception: for External Power devices, the Sensor Sample
Rate is fixed at the fastest rate possible in the device, since battery life is not a concern.) The edit procedure compares
this value against the configured Triggered Update Rate of any other enabled burst message whose trigger mode is not
Continuous, to help prevent setting it slower than the fastest existing rate.
If the Sensor Sample Rate is faster than the Triggered Update Rate, enabling Delayed Triggering allows the device to latch
and timestamp a message as soon as the trigger condition is met, then schedule publishing at the next available
Triggered Update Rate time slot. This mode is called “Delayed” because the message is published a short time after the
data was captured. However, it allows capture of a transient event that might have been missed by only checking for
changes at the Triggered Update Rate.
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Trigger Level
For Windowed, Rising, and Falling trigger modes, there is also a Burst Trigger Level to configure. The procedure now
automatically sets Trigger Class and Trigger Units to the values of the Burst Trigger Variable’s Class/Units. Accordingly,
the class is no longer displayed. The Burst Trigger Variable and Trigger Units are presented for reference in setting the
Burst Trigger Level.
If you select Windowed trigger mode, the Burst Trigger Level defines a +/ zone around the previous published value of
the Burst Trigger Variable. This mode is used when steady state operation is expected and increased timedomain
resolution is desired only when the process is changing rapidly. Adjust the Burst Trigger Level to set how much the Burst
Trigger Variable must deviate from its previous value to trigger fast publishing.
In Rising trigger mode, the trigger level defines an upper threshold. This mode is used when process operation below a
specified level is of little consequence, but operation above that level needs to be tracked in greater detail. Adjust the
Burst Trigger Level to define the desired upper threshold that must be exceeded to meet the trigger condition.
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In Falling trigger mode, the trigger level defines a lower threshold. This mode is used when process operation above a
specified level is of little consequence, but operation below that level needs to be tracked in greater detail. Adjust the
Burst Trigger Level to define the desired lower threshold that must be exceeded to meet the trigger condition.
In OnChange trigger mode, the entire message is the trigger source, and any deviation from the previous value
satisfies the trigger condition. Therefore, the Burst Trigger Variable, Trigger Units and Burst Trigger Level do not appear.
This mode is most useful for discrete value message content such as Additional Device Status and Discrete Variables. It
should not be used on messages that contain data that may dither.
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Enabled/Disabled
Select Enabled to request network bandwidth allocation for this burst message. Select Disabled to terminate
publication of this burst message and release bandwidth allocation back to the network.
Summary — Accept/Modify
After the editing process is complete, the summary screen of the entire burst configuration with your changes is
shown for review. If the configuration meets your approval, click the Accept button to send the changes to the device.
If you want to make additional changes, click the Modify button to loop through the procedure again. If after any pass
through the edit loop, you decide that you don’t want to make the changes after all, click the Cancel button and all
pending changes will be discarded.
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Set All Burst Messages to Default
For initial configuration, after modifying the device structure, this procedure will establish a reasonable set of burst
parameters that will allow normal operation. It can also be useful to recover from any burst configuration experiments
that lead to communication problems.
The following tables describe the default settings that result for each structure and the device.
Burst Configuration Details
Message Basic Content Trigger Mode Device Structure
Controller w/
0
1
2
1. X indicates that the Device Structure does not matter.
Device Structure Battery Power External Power
Controller w/Snap Disabled 8 sec
Controller w/ Snap Enabled 1 sec
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Selected Device
Variables
Additional
Status
Discrete
Variables
Monitor 1 sec
Windowed
On Change X
On Change
Sensor Sample Rate
Snap Disabled
Controller w/
Snap Enabled
Monitor Enabled 4 sec 1 min
(1)
Controller w/
Snap Disabled
Controller w/
Snap Enabled
Monitor Disabled 1 min 10 min
50 msec
Message
Enabled/Disabled
Enabled 8 sec 1 min
Enabled 16 sec 1 min
Enabled 1 min 1 hr Enabled
Enabled 8 sec 1 min
Enabled 1 min 10 min
Triggered
Update Rate
Default Update
Rate
Delayed
Triggering
Disabled
Disabled
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Note
The following table is specific to the 4320. Detailed Default Burst Contents for Selected Device Variables and corresponding
Dynamic Variable Assignments for the 4310 are included at the end of this document for reference. See page 27.
Detailed Default Burst Contents for Selected Device Variables
and corresponding Dynamic Variable Assignments
Device Structure Controller w/Snap Disabled Controller w/Snap Enabled Monitor
Trigger Switch States Position Position
Trigger Level 0.0 5.0% 5.0%
2 Set Point Set Point Switch States
Selected
Device
Variable
Assignments
Dynamic
Variables
3 Position Switch States Supply Voltage
4 Supply voltage Supply voltage Loop current
5 Loop current Loop current Cycle Counter
6 Cycle Counter Cycle Counter Opened/High Dwell
7 Last Open Stroke Temperature Closed/Low Dwell
8 Last Close Stroke Time Stamp 0 Time Stamp 0
PV Position Position Position
2nd Set Point Set Point Switch States
3rd Switch States Switch States Cycle Counter
4th Supply Voltage Supply Voltage Supply Voltage
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Tailor Burst Configuration
This procedure will tailor the content and triggering of the 3 burst messages to your device structure and application
without requiring you to edit any actual settings. Your responses to a series of questions are used to select one of 14
predefined configurations. The cycling and reporting times have the most influence on update and sample rates, and
the structure and application have the most influence on the detailed message content.
Tailored Burst Configuration
Message Basic Content Trigger Mode Device Structure/Application
Controller w/
Snap Disabled
0
1
2
1. “Slow/Slow” etc. means “Slow Cycle, Slow Report”, respectively.
2. X indicates that the Device Structure/Application does not matter.
Controller w/Snap Disabled
Controller w/ Snap Enabled
Selected
Device
Variables
Additional
Status
Discrete
Variables
Device Structure / Application Battery Power External Power
Monitor
Windowed
On Change X
On Change
Controller w/
Snap Enabled
Monitor
Controller w/
Snap Disabled
Controller w/
Snap Enabled
Monitor X
Slow Cycle
Fast Cycle
Slow Cycle
Fast Cycle
Slow Cycle/Slow Report 16 sec
Slow Cycle/Fast Report 4 sec
Fast Cycle/Fast Report 1 sec
Relief Valve 1 sec
(2)
Slow Cycle
Fast Cycle 8 sec 1 min
Slow Cycle 1 min 10 min
Fast Cycle 16 sec 1 min
Slow/Slow
Slow/Fast
Fast/Fast
Relief Valve 4 sec 1 min Enabled
(2)
X
Slow Cycle
Fast Cycle 8 sec 1 min
(2)
X
(2)
8 sec
1 sec
16 sec
1 sec
Message
Enabled
/Disabled
Enabled
(1)
(1)
(1)
Enabled 1 min 1 hr Enabled
Enabled
Disabled 1 min 10 min
Sensor Sample Rate
50 msec
Triggered
Update Rate
1 min 10 min
1 min 10 min Enabled
16 sec 10 min Disabled
4 sec 1 min Disabled
1 min 10 min
1 min 10 min
Default
Update Rate
Triggering
Delayed
Disabled
Disabled
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Note
The following table is specific to the 4320. Detailed Tailored Burst Contents for Selected Device Variables and corresponding
Dynamic Variable Assignments for the 4310 are included at the end of this document for reference. See page 27.
Detailed Tailored Burst Contents for Selected Device Variables
and corresponding Dynamic Variable Assignments
Device Structure
Selected
Device
Variable
Assignments
Dynamic
Variables
Snap Disabled Snap Enabled Normally Closed Relief Valve General Normally Opened
Trigger Switch States Position
Trigger Level 0.0 5.0% 0.0 0.0 5.0% 0.0
2 Set Point Set Point Switch States Switch States Switch States Switch States
3 Position Switch States Position Position Supply Voltage Position
4 Supply voltage Supply voltage Supply Voltage Supply Voltage Loop current Supply Voltage
5 Loop current Loop current Loop Current Loop Current Cycle Counter Loop Current
6 Cycle Counter Cycle Counter Cycle Counter Cycle Counter Opened/High Dwell Cycle Counter
7
8
PV Position Position Position Position Position Position
2nd Set Point Set Point Switch States
3rd Switch States Switch States Cycle Counter Opened/High Dwell Cycle Counter Cycle Counter
4th Supply Voltage Supply Voltage Supply Voltage Supply Voltage Supply Voltage Supply Voltage
Controller Monitor
Last Open
Stroke
Last Close
Stroke
Closed/Low Limit
Tripped
Temperature Opened/High Dwell Opened/High Dwell Closed/Low Dwell Closed/Low Dwell
Time Stamp 0 Time Stamp 0 Time Stamp 0 Time Stamp 0 Time Stamp 0
Closed/Low Limit
Closed/Low Limit
Tripped
Tripped
Position
Switch States Switch States
Opened/High
Limit Tripped
Communication Diagnostics
The Communications diagnostics menu item in the Service Tools menu contains Network, Burst, Hardware Triggering,
and Events diagnostics.
Network
The Network tab shows the current Connection Status and Join Mode.
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Connection Status echoes the simplified ‘CONN’ status variable that appears in the device Local User Interface. It can
take on the following states: Init, Idle, Disconnected, Searching, Connected, and Operational.
The Join Mode reports the condition under which the device will automatically try to join the network whose
credentials are stored in its configuration. This parameter is not useradjustable,
The Disconnect procedure allows you to remove the device from the network if you are doing maintenance that would
interfere with network operation, or are retiring or recommissioning the device for some other application.
If you are connected to the device at the Maintenance Port, additional menu items are available. The information in
Advanced Network Details might be difficult to obtain from the Gateway if you were actually having communications
problems, and would add additional network traffic as well. The Rejoin Network procedure will only work when you are
connected to the device at the Maintenance Port.
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Advance Network Details displays technical information useful in troubleshooting communications problems.
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The Join Details group shows:
Wireless Mode This is the full state of the wireless connection as defined in the HCF (HARTr Communication
Foundation) specifications.
D Idle The device is inactive and has no knowledge of the wireless network. Its wireless transceiver is not active.
D Active Search The device is listening for network traffic, synchronizing to the network clock, and identifying
neighbors.
D Negotiating The device is presenting its credentials to the network manager and requesting a session key and
network key.
D Quarantined The device has been integrated into the network and has been assigned normal super frames and
links, but does not yet have a Gateway session. It may not forward data packets, only originate or receive them.
D Operational The device has obtained a Gateway session and is being assigned bandwidth and communication
resources.
D Suspended The device is inactive. All of its network tables are intact.
D Deep Sleep The device is in an ultralow power state, scheduled to wake up and reenter Active Search after a
long interval.
Neighbor Count This indicates the number of neighbors recognized by the instrument on the wireless network.
Advertisement Count This indicates the number of Advertisement packets received.
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Join Attempts This indicates the number of Join Attempts. (Too many join attempts will result in the device
considering the join failed.)
Network Search Time This indicates the amount of time spent listening for the first advertisement.
Join Retry Timer This indicates the amount of time since the last join request was sent. It does not freeze after the join
is completed, but keeps incrementing.
Note
Some versions of AMS will display this as a negative number if the most significant bit is set, even though it is an unsigned integer.
For display, the value has to be rescaled to seconds from its native scaling of 1/32 of a millisecond per bit, and the
misinterpretation probably occurs during the scaling process.
Join Status — This indicates device progress in joining the network.
D Wireless Signal Found Network packets have been recognized.
D Wireless Signal Identified
D WirelessHARTr Signal Identified
D Wireless Time Synchronized Device clock has been aligned with host or gateway.
D Network Admission Requested A join request has been transmitted.
D Join Retrying The number of join requests issued is greater than 2. This state will be cleared when the device is
authenticated or when 'Active Search' mode restarts on wake up from 'Deep Sleep'.
D Join Failed The join mode has switched from 'Active Search' to 'Deep Sleep'. The device will wake up later and try
again. (Join Failed is a degraded condition and all the other bits in Join Status are positive in nature. The Join
Failed bit was accordingly given a ‘redbulb’ treatment.)
D Network Security Clearance Granted A Network Manager session has been established.
D Network Joined Negotiating Network Properties. Gateway session obtained.
D Join Complete Device is enrolled in the network and in normal operating mode.
The Radio group displays the configured Transmit Power Level and provides a procedure for changing it if required.
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BURST
The Burst tab shows diagnostics for each burst message:
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The message Bandwidth Status shows:
D whether a given message is enabled in the device
D whether it is still waiting for bandwidth allocation from the network for its requested update rate
D whether it has been assigned bandwidth but at a lower rate than requested
D whether it is actively publishing
D whether it is in Delayed Publishing mode (Using Delayed Trigger mechanism)
The configured Message Content, Trigger Mode, (requested) Triggered Update Rate and the Triggered Update Rate that
has been allocated for the device by the network are displayed below the Bandwidth Status.
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When the message is enabled, a button allows you to view a snapshot of the values that would be published in the
message, based on the current device states. This feature was originally developed for checking the behavior of the
burst configuration while connected at the maintenance port, since the actual publication of the messages in not
supported over that interface. Example snapshots of 3 common burst messages are shown below. Help strings are
available for each of the menu items.
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Hardware Triggering
The device has a hardware mechanism that can wake up the processor to evaluate triggering thresholds early if a
comparator detects a change in the input sensor signal. This menu displays the ChangeDetection thresholds versus
temperature, provides a reset procedure for the Change Detect counter, and allows the Change Detection circuit to be
enabled or disabled. It is available only in batterypowered devices, since devices with the external power option
always sample on a 50 millisecond period, and thus don’t need this feature.
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Events
Although the Event Notification mechanism may not be enabled from the DD interface a menu has been provided to
review the states of the Event Notification system.
This menu displays the state of the event notification system for troubleshooting purposes. A button that lets you read
and/or clear the event log appears when the event log has entries.
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4310 Specific Settings
Detailed Default Burst Contents for Selected Device Variables
and corresponding Dynamic Variable Assignments
Device Structure Controller w/Snap Disabled Controller w/Snap Enabled Monitor
Trigger Switch States Switch States Switch States
Trigger Level 0.0 0.0 0.0
2 Set Point Set Point Transition Dwell
Selected
Device
Variable
Assignments
Dynamic
Variables
Device Structure
Selected
Device
Variable
Assignments
Dynamic
Variables
Trigger Switch States Switch States
Trigger Level 0.0 0.0 0.0 0.0 0.0 0.0
2nd Set Point Set Point
3rd Cycle Counter Cycle Counter Cycle Counter Opened/High Dwell Cycle Counter Cycle Counter
4th Supply Voltage Supply Voltage Supply Voltage Supply Voltage Supply Voltage Supply Voltage
3 Supply voltage Supply voltage Supply Voltage
4 Loop current Loop current Loop current
5 Cycle Counter Cycle Counter Cycle Counter
6 Last Open Stroke Temperature Opened/High Dwell
7 Last Close Stroke Time Stamp 0 Closed/Low Dwell
8 Temperature (Not Used) Time Stamp 0
PV Switch States Switch States Switch States
2nd Set Point Set Point Switch States
3rd Cycle Counter Cycle Counter Cycle Counter
4th Supply Voltage Supply Voltage Supply Voltage
Detailed Tailored Burst Contents for Selected Device Variables
and corresponding Dynamic Variable Assignments
Controller Monitor
Snap Disabled Snap Enabled Normally Closed Relief Valve General Normally Opened
2 Set Point Set Point Switch States Switch States Transition Dwell Switch States
3 Supply voltage Supply voltage Supply voltage Supply Voltage Supply Voltage Supply Voltage
4 Loop current Loop current Loop current Loop current Loop current Loop Current
5 Cycle Counter Cycle Counter Cycle Counter Cycle Counter Cycle Counter Cycle Counter
6
7
8 Temperature (Not Used) Time Stamp 0 Time Stamp 0 Time Stamp 0 Time Stamp 0
PV Switch States Switch States Switch States Switch States Switch States Switch States
Last Open
Stroke
Last Close
Stroke
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Closed/Low Limit
Tripped
Temperature
Time Stamp 0 Closed/Low Dwell Closed/Low Dwell Closed/Low Dwell Closed/Low Dwell
Opened/High
Dwell
Closed/Low Limit
Tripped
Closed/Low Limit
Tripped
Opened/High Dwell Opened/High Dwell
Closed/Low Limit
Tripped
Switch States
Switch States
Opened/High
Limit Tripped
Opened/High
Dwell
Opened/High
Limit Tripped
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Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher, TopWorx, and DeltaV are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson
Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. HART and WirelessHART are registered
trademarks of FieldComm Group. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Automation Solutions
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore
www.Fisher.com
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E 2013, 2016 Fisher Controls International LLC. All rights reserved.
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