MTS Systems Level Plus LP Series User guide

Safety Integrity Level
IEC 61508
Safety Integrity Level
IEC 61508
Safety Integrity Level
IEC 61508
Level Plus®
Safety Manual
LP Series
Magnetostrictive Liquid Level Transmitters
with Temposonics®Technology

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LP Safety Manual
LP Series
Table of contents
1. Contact information .........................................................................................................................................................................................3
2. Introduction......................................................................................................................................................................................................3
3. Function ...........................................................................................................................................................................................................4
3.1 Safety Rated Function ............................................................................................................................................................................... 4
3.2 Non-Safety Rated Function ....................................................................................................................................................................... 4
4. SIL Information................................................................................................................................................................................................4
4.1 SIL Rating.................................................................................................................................................................................................. 4
4.2 Intended use .............................................................................................................................................................................................. 4
4.3 Installation ................................................................................................................................................................................................. 4
4.4 Model number............................................................................................................................................................................................ 4
4.4.1 Tank SLAYER®................................................................................................................................................................................... 4
4.4.2 ReneME®......................................................................................................................................................................................... 4
4.4.3 SoClean®........................................................................................................................................................................................... 4
4.4.4 CHAMBERED .................................................................................................................................................................................... 4
4.5 Firmware revision ...................................................................................................................................................................................... 4
5. Specications .................................................................................................................................................................................................. 4
6. Quick start-up guide ........................................................................................................................................................................................5
6.1 Before you begin........................................................................................................................................................................................ 5
6.2 Quick start-up procedure ........................................................................................................................................................................... 5
7. Display Menu...................................................................................................................................................................................................5
7.1 Operation Modes........................................................................................................................................................................................ 5
7.1.1 Initialization....................................................................................................................................................................................... 5
7.1.2 Run Mode ......................................................................................................................................................................................... 5
7.1.3 Program Mode.................................................................................................................................................................................. 6
7.2 Display Diagram......................................................................................................................................................................................... 6
7.3 Menu Structure.......................................................................................................................................................................................... 6
8. Alarms..............................................................................................................................................................................................................6
8.1 Software Fault Alarm.................................................................................................................................................................................. 7
8.2 Hardware Fault Alarm................................................................................................................................................................................. 7
9. Error Codes (Faults).........................................................................................................................................................................................7
10. HART®interface.............................................................................................................................................................................................7
10.1 LP Dashboard .......................................................................................................................................................................................... 7
10.1.1 Installing LP Dashboard.................................................................................................................................................................... 7
10.1.2 Home screen..................................................................................................................................................................................... 8
10.1.3 Conguration .................................................................................................................................................................................... 9
10.1.4 Signal settings ................................................................................................................................................................................. 9
10.1.5 Level settings................................................................................................................................................................................... 9
10.1.6 Temperature settings ..................................................................................................................................................................... 10
10.1.7 Analog settings .............................................................................................................................................................................. 10
10.1.8 Flash settings................................................................................................................................................................................. 11
10.1.9 Save settings.................................................................................................................................................................................. 11
10.2 Handheld programming ......................................................................................................................................................................... 12
10.3 Display programming ............................................................................................................................................................................ 19
10.4 Data from Device ................................................................................................................................................................................... 26
11. Proof Test ..................................................................................................................................................................................................... 27
12. Change Request...........................................................................................................................................................................................27

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1. Contact information
United States
General
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
http://www.mtssensors.com
Mailing and shipping address
MTS Systems Corporation
Sensors Division
3001 Sheldon Drive
Cary, North Carolina, 27513, USA
Customer service
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Technical support and applications
24 Hour Emergency Technical Support
Tel: [phone]
e-mail: [email protected]
Germany
General
Tel.: [phone]
Fax: [phone]
e-mail: [email protected]
http://www.mtssensors.com
Mailing and shipping address
MTS Sensor Technologie, GmbH & Co. KG
Auf dem Schüffel 9
D - 58513 Lüdenscheid, Germany
Technical support and applications
Tel.: [phone]
e-mail: [email protected]
http://www.mtssensors.com

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2. Introduction
This manual provides to the user electrical installation and operation
guidelines for the Level Plus® LP-Series line of liquid level
transmitters with analog output in safety related applications. Specic
LP-Series models are Safety Integrity Level (SIL) capable according
to IEC 61508 Functional safety of electrical/electronic/programmable
electronic safety-related systems. This Safety Manual is a supplement
to the Operation and Installation Manual which should be consulted
for standard operation and installation information.
3. Function
3.1 Safety Rated Function
The loop powered 4-20 mA analog output on loop 1 is the safety
rated function of the SIL capable level transmitter. The range may be
specied either from 4 to 20 mA or 20 to 4 mA. In the event of an
over range or internal fault, loop 1 output will be set to either ≤3.6 mA
or ≥21.0 mA to indicate the condition. The user can select if the fault
state should be high or low via the integral display or HART®. The
default setting from MTS is always low alarm.
Only Loop 1 is SIL capable. If a Dual Loop model has been ordered,
SIL is only functional on Loop 1. Loop 2 is not SIL capable and can-
not be used for safety systems. Loop 1 is automatically assigned to
output the product level and cannot be changed. If Loop 2 has been
ordered it can be congured for any of the available process variables
including product level, interface level, or temperature.
The rmware is constantly running diagnostic tests. The test interval
for program memory CRC is 10 seconds and 1.6 seconds for all other
diagnostics. The tests are automatic and cannot be turned on or off.
3.2 Non-safety Rated Function
The following function of the LP-Series level transmitter are not part
of the SIL rating:
• Optional loop 2 4-20 mA analog output of secondary level
measurement
• Optional loop 2 4-20 mA analog output of temperature
measurement
• Integral display
• HART®Interface
4. SIL information
4.1 SIL Rating
SIL Rating Parameters
Safety Level SIL 2 (lool)
Device Type B
Hardware Fault Tolerance 0
PFDavg 1.63*10-3 1/h
Systematic capability SC2
Table 1: LP SIL Rating Parameters
λSD λSU λDD λDU SFF
LP Series 2490 FIT 2510 FIT 2080 FIT 363 FIT 93%
4.2 Intended Use
The LP Series SIL capable level transmitters is a magnetostrictive liquid
level transmitter certied according to IEC 61508 for single input in low
demand, SIL 2 Safety Instrumented Systems. The sensor measures the
relative position of a traveling magnet housed inside of a oat relative
to its NULL position. The output signal is transmitted to an external
controller and processed according to its requirements.
4.3 Installation
No special or additional sensor installation requirements exist beyond
the standard installation practices documented in the operation and
installation manuals. Tank Slayer manual is 551685. ReneME manual
is 551690. SoClean manual is 551693. CHAMBERED manual is 551696.
Environmental operating specications are applicable as published in the
specications section in the aforementioned manuals. The user should
be properly trained for operation of this type of device.
4.4 Model Number
4.4.1 Tank SLAYER®
The fourth character (Output) of the model number designates if the level
transmitter is SIL rated or not. The fourth character must be a 5, 6, or 7
to be SIL rated. If the character is anything else then the unit is not SIL
rated. Consult the Tank SLAYER data sheet (551688) for details.
4.4.2 ReneME®
The fourth character (Output) of the model number designates if the level
transmitter is SIL rated or not. The fourth character must be a 5, 6, or 7
to be SIL rated. If the character is anything else then the unit is not SIL
rated. Consult the ReneME data sheet (551691) for details.
4.4.3 SoClean®
The fourth character (Output) of the model number designates if the level
transmitter is SIL rated or not. The fourth character must be a 5, 6, or 7
to be SIL rated. If the character is anything else then the unit is not SIL
rated. Consult the SoClean data sheet (551694) for details.
4.4.4 CHAMBERED
The fourth character (Output) of the model number designates if the level
transmitter is SIL rated or not. The fourth character must be a 5, 6, or 7
to be SIL rated. If the character is anything else then the unit is not SIL
rated. Consult the CHAMBERED data sheet (551697) for details.
4.5 Firmware Revision
The rmware revision can be found in the LP Dashboard or the display.
SIL rated rmware will always be 6.XX with the XX for the specic
release. The most recent release is 6.02.
4.6 Hardware Revision
The hardware revision of each board is marked on the board with a label
containing the part number and revision level. The table below shows
the most recent release for each electronic board.
Part Number Revision
254427 D
254428 B C
254429 D
254430-x E
Table 2: LP Safe Failure Fraction

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5. Specications
Table 3: Specications
Note: Power supply to the 4–20 mA current output
Overvoltages at the 4–20 mA current output (passive, output; input
1) - caused by a fault in the supply unit for example - can result in a
leak current in the device’s input protection circuit. This may lead to
falsication of the output signal by more than the specied error or the
minimum error current (3.6 mA) can no longer be set due to the leak
current.
• Use a 4–20 mA power supply unit with either voltage limitation or
voltage monitoring.
6. Quick start-up guide
6.1 Before you begin
Tools needed:
• 24 Vdc linear regulated power supply
• Current meter
6.2 Quick start-up procedure
1. Connect 24 Vdc power supply to Loop 1.
2. Turn on power supply.
3. Connect Current Meter to test pins on interconnect board.
4. Move the oat towards the tip of the pipe and verify 4 mA set
point.
5. Move the oat towards the top of the pipe and verify 20 mA set
point.
6. If using two oats, repeat steps 4 and 5 for second oat. Note
both oats must be present or else the level transmitter will go
into alarm.
7. Turn off power and disconnect power supply and current meter.
8. Install in tank.
7. Display Menu
All LP-Series liquid level transmitters are shipped with a Stylus (MTS
Part # 404108) to be used for manipulating the display. For single and
dual cavity housings, the Stylus is designed to allow for programming
of the unit without removing the housing. When using the Stylus make
sure to align the Stylus with the shape outline around the buttons in
the same orientation. Failure to correctly align the Stylus can cause the
display to not function properly.
7.1 Operation Modes
The LP Series level transmitter runs in one of the following modes of
operation. You can use these modes to calibrate and set up various
operating parameters.
7.1.1 Initialization
Upon startup the level transmitter will be in an initialization mode. During
initialization mode the output will be held in fault state until all diagnostics
are completed. If no errors are detected during initial startup the output
shall be valid within 15 seconds of startup. If errors are detected then the
unit shall remain in fault state until the errors are cleared.
Level Output
Inherent Accuracy ±1 mm (0.039 in.)
Safety Accuracy Limit ±2% Full Scale
Order length Flexible hose:
1575 mm (62 in.) to 22000 mm (866
in.) Δ§
Rigid pipe:
559 mm (22 in.) to 7620 mm (300 in.)
Δ§
Electronics
Input voltage 10.5 to 28 Vdc
Fail safe High, Full scale for digital
Low, 3.5 mA default or High, 22.8 mA
(Analog, HART®)
Reverse polarity protection Series diode
Lightning/Transient
protection
Stage 1: Line-to-ground surge suppres-
sion; IEC 61000-4-5, IEC 61326-3-2
Stage 2: Line-to-line and line-to-ground
transient suppressors; IEC 61000-4-4,
IEC 61326-3-2
Environmental
Enclosure rating NEMA Type 4X, IP65
Humidity 0 to 100% relative humidity, non-
condensing
Operating temperatures Electronics: -40 °C (-40 °F) to 71 °C
(160 ºF)
Sensing element: -40 °C (-40 °F) to 125
°C (257 °F) ◊
Temperature element: -40 °C (-40 °F)
to 105 °C (221 °F)
ΔContact factory for longer lengths.
◊Contact factory for specific temperature ranges.
§Order length equals the measurement range plus the inactive zone.
Fig. 1: Stylus (MTS Part # 404108)
NOTICE
Do not use any device other than the MTS Stylus to operate the display
on the LP Series.
NOTICE
Improper use of the Stylus can cause the display to not function
properly.
NOTICE
Output will vary depending on the location of the 4 and 20 mA set
points.

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7.1.2 Run Mode
After initialization is completed, the level transmitter begins continuous
measurement operations in run mode. For SIL, diagnostics are continu-
ally run to detect possible hardware and software failures and to set the
output into the safe state if a fault condition is determined. In run mode,
all programming of parameters via the display and HART®is disabled.
Run mode is the primary mode of operation. This mode will perform
measurements and display data.
During normal operation the change in the magnet position shall be re-
ected in the output within 2 seconds of the magnet position changing.
During normal operation a fault shall be detected and the output enter a
fault state within 10 seconds of the fault being detected.
The output shall enter into fault state if a clearable fault such as loss
of return signal persists for 5 seconds or more. During the 5 second
time interval the output shall hold at the last measured position. The
output shall clear the fault state if a clearable fault is not detected for
a minimum of 5 seconds. The output shall be restored to the current
magnet position.
7.1.3 Program Mode
Program mode is the primary mode for commissioning and trouble-
shooting the level transmitter. The full menu and available functions are
shown in section 7.3 Menu Structure. To Enter program mode use the
Stylus and press the Enter Key as shown in section 7.2 Display Diagram.
Program Mode is protected by a password to keep unwarranted changes
from occurring. The factory default password is 27513. When in pro-
gram mode, remote communications are not functional. An automatic
timeout feature is provided so that the transmitter does not remain
inadvertently in program mode. The timeout is set for 1 minute before
prompted for additional time. Total timeout is 2 minutes.
For SIL, programming is limited to non-safety related parameters. This
allows the user to edit parameters that do not directly affect the safety
functionality of the sensor. All safety related parameters cannot be
programmed except by the factory. Programming by the factory is only
needed on the SIL rated level transmitter as the other interfaces allows
eld programming of factory parameters.
7.2 Display Diagram
UP Arrow – Used to move cursor on screen up and to increment
number
DOWN Arrow – Used to move cursor on screen down and to decrease
number
SCROLL Arrow – Used to move cursor on screen to the right, cursor
will cycle back. Also used to exit submenus from menu structure.
ENTER Key – Used to Enter Program Mode, select Highlighted Item,
and Conrm Selection
EXIT Key – Hidden key in the middle of the display that is used to exit
menu at any time. Also used to exit when entering a number.
MEASURED VARIABLE – The process variable that is selected to dis-
play. The display will automatically scroll between selected variables.
MEASUREMENT – The numerical value for the MEASURED VARIABLE
shown on the display.
UNITS – Unit of measurement for the MEASURED VARIBLE shown on
the display.
TEMPERATURE – Average temperature for the product in the tank. Only
shown if the level transmitter was purchased with temperature.
NOTIFICATIONS – Four squares with letters. Top left square will show a
S for SIL rmware. Top right square, A, will only show when there is an
alarm. Toggle the UP Arrow key to view alarms. Bottom right square,
F, will only show when there is a fault. Toggle the DOWN Arrow key to
view error codes. Bottom left square, P, will only show when the units
is being programmed remotely.
7.3 Menu Structure
• Data From Device
Display
Units
`Length Units
`Temp Units
Set Points
`Prod LVR (4 mA)
`Prd URV (20 mA)
`Prd Current LRV
`Prd Current URV
`Int LRV (4 mA)
`Int URV (20 mA)
`Int Current LRV
`Int Current URV
Alarm Select
Signal Strength
`Product Signal
`Interface Signal
Fig. 1 Display
NOTICE
Whenever program mode is exited from the display the unit will
reset itself to insure all changes have been accepted. The reset will
take approximately 5 seconds before the level transmitter is able to
respond to commands.
NOTICE
In program mode, the transmitter will not respond to incoming
HART®commands. A busy error will be sent to the controller to notify
the unit is in program mode. This function will prevent a user at a
remote terminal from programming the unit while a user is accessing
program mode from the display.

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Faul Code Description Corrective Action
101 Missing
Magnet
• Verify Float Conguration is correct for
the number of oats installed
• Verify Float(s) are not in inactive zone.
• Verify Auto Threshold is enabled.
• Cycle power to sensor. If proper ope-
ration is not restored, Contact Factory
102 Internal
Fault 1
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
103 Internal
Fault 2
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
104 Internal
Fault 3
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
105 Lobe Fault 1 • Verify Auto Threshold is enabled
• Cycle power to sensor
• If proper operation is not restored,
Contact Factory
106 Lobe Fault 2 • Verify Auto Threshold is enabled
• Cycle power to sensor
• If proper operation is not restored,
Contact Factory
107 Delta Fault Contact Factory to discuss application.
108 Internal
Fault 4
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
109 Peak Fault • Verify Auto Threshold is enabled
• Cycle power to sensor
• If proper operation is not restored,
Contact Factory
110 Hardware
Fault 1
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
111 Power Fault • Cycle power to sensor
• Verify Power Supply rating
• Verify wiring
• If proper operation is not restored,
Contact Factory
112 Hardware
Fault 2
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
113 Hardware
Fault 3
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
114 Hardware
Fault 4
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
115 Timing
Fault 1
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
116 Timing
Fault 2
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
117 Timing
Fault 3
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
118 DAC Fault 1 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
119 DAC Fault 2 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
120 DAC Fault 3 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
121 DAC Fault 4 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
122 SPI Fault 1 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
123 SPI Fault 2 Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
124 Setpoint
Fault
The analog setpoints are too close.
Minimum distance is 150 mm (6 in.) for
analog and 290 mm (11.5 in.) for SIL.
Adjust programmed setpoints as nee-
ded. (Analog only) If proper operation is
not restored, Contact Factory
125 Loop 1 Out
of Range
Verify that magnets are positioned
within expected measuring range. Ad-
just programmed setpoints as needed.
(Analog only) If proper operation is not
restored, Contact Factory
126 Loop 2 Out
of Range
Verify that magnets are positioned
within expected measuring range. Ad-
just programmed setpoints as needed.
(Analog only) If proper operation is not
restored, Contact Factory
127 EEPROM
Fault 1
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
128 EEPROM
Fault 2
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
129 Flash Failure Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
130 Internal
Error
Cycle power to sensor. If proper opera-
tion is not restored, Contact Factory
Fig. 2: Error codes
• Calibrate
Product Level
`Current Level
`Offset
Interface Level
`Current Level
`Offset
• Factory
Settings
`Serial Number
`HW Revision
`SW Revision
Temp Setup
Float Cong
`Loop 2
Reset to Factory
8. Alarms
MTS has two separate types of alarms featuring both a software fault
alarm and a hardware fault alarm.
8.1 Software Fault Alarm
MTS offers a software fault alarm that will force the 4-20 mA output into
an either a low or high alarm state. The default setting from the factory
is a low alarm state. The low alarm state is ≤ 3.6 mA and the high alarm
state is ≥ 21.0 mA. The software fault alarm follows the recommenda-
tions by NAMUR NE 43. Typical faults that will cause a software fault
alarm are a missing float, the float in the inactive range, and the level
transmitter looking for the wrong number of floats.
8.2 Hardware Fault Alarm
MTS offers a hardware fault alarm that will force the 4-20 mA output
into a low alarm. The hardware low alarm is 3.2 mA. The hardware low
alarm is triggered when the internal diagnostics of the level transmitter
have detected a hardware issue with the 4-20 mA output.
9. Error Codes (Faults)

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10.1.2 Home screen
Fig. 4: Home screen
The LP Dashboard Home Screen will look different based on whether
or not temperature has been ordered. If the level transmitter included
temperature measurement then the Home Screen will look as shown. If
the level transmitter does not include temperature measurement then the
Home Screen will not show the middle panel for temperature. The Home
Screen can be accessed by pressing the three white bars on the top left.
The level panel on top shows the level measurement for the Product
level and Interface level. If only the Product Float is selected then only
the product oat will be shown. The bold numbers are the numerical
level and the graph is a time lapse of the graphical representation of the
numbers. The red line is the approximate maximum level based off of
the order length of the level transmitter. The numbers on the right of
the level panel are the Trigger Level for the product oat on top and the
Interface Float on bottom. These are a representation of how strong of a
return signal the level transmitter is experiencing.
The temperature panel will only show if temperature measurement was
ordered and turned on. The left side shows the numerical value of the
temperature with a bar graph in the middle of the panel.
10. HART®Interface
MTS has tested and is compliant to HART® ITK 7.2. The device driver le
is available for download from HART®Communication Protocol website
at www.eldcommgroup.org. Programming via HART®can be done
either using the LP Dashboard via a HART®modem or with a handheld
programmer with the LP-SIL device driver.
10.1 LP Dashboard
10.1.1 Installing LP Dashboard
Adjustments to the setup and calibration of the SIL Interface can be
performed using the MTS LP Dashboard. The Dashboard can be run from
any Windows 7 or newer OS using a HART®to USB converter (MTS part
#380068).
Perform the following steps to install the LP Dashboard and establish
communication:
1. Install LP Dashboard from the USB stick that came with the level
transmitter or go to http://www.mtssensors.com to download the
latest version.
2. Connect level transmitter to HART®to USB converter, connect
24 Vdc power to the level transmitter, and connect the HART® to
USB converter to the PC. Example setup shown below.
Fig. 3: Example setup
3. Open setup software and select SIL protocol from drop down
menu.
4. Select COM Port. Software will show active COM ports. Make
sure converter is connected before starting LP Dashboard or COM
port will not show.
5. Select Address. Default address is 0. SIL is not available to be used
in a HART multi-drop network and should always be address 0.
Resistor
Fig. 11: Initial screen
NOTICE
Power must be on Loop 1 for HART®communication to work. Power
does not have to be applied on Loop 2 for HART®to work. Power must
be applied to Loop 2 to check current output.
NOTICE
HART®requires a load resistor to work correctly. Add a 250 Ohm
resistor for proper communication. Some PLC cards will have built in
load resistors.

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The analog panel is on the bottom. On the left side is the graphical and
numerical value for percent full ranging from 0 to 100 percent. Loop 1 is
on top and Loop 2 is on bottom. If only one loop was ordered then only
one loop would be shown. The bar graph in the middle is the current
output level with the numerical value shown in the middle. Again, Loop 1
is on top and Loop 2 is on bottom.
Across the bottom of the Home Screen is the visual indication of the fault
codes from section 8. Green indicates no fault and red indicates fault.
Next is the rmware version in the middle and the serial number on the far
right.
10.1.3 Conguration
Fig. 5: Configuration
The Conguration tab allows the level transmitter to be congured for the
specic application.
Factory Set:
Product Float: Default setting of ON for all applications.
Interface Float: Default setting of ON if ordering 2 Loops. Default
setting of OFF if ordering 1 Loop. If the number of oats turned on is
different from the number of oats physically on the level transmitter
the level transmitter will go into Fault.
Serial Number: Serial Number assigned by MTS at the time of manu-
facture. The serial number is used for tracking and replacement parts.
Do not change.
Temperature: Default setting of OFF if ordered without temperature.
Default setting of ON if ordered with temperature. Turning temperature
ON when the level transmitter was not ordered with temperature will not
cause temperature to work and will force the level transmitter into Fault.
Display Enable: Default setting of ON. Display can be turned off by
changing to OFF and cycling power.
User Congurable:
Device Address: The end user can congure the HART address when
using a multi-node network. Default address is 0 and should not be
changed for a SIL capable level transmitter.
Display Setting: Allows the end user to congure the display. Availab-
le options are engineering units, current output, or percent full. Default
setting is engineering units.
Alarm Setting: Allows the end user to select a Low (≤3.6 mA) or High
(≥22 mA) alarm fault state. The default alarm is Low alarm. Both
alarms are NAMUR NE 43 compliant.
10.1.4 Level settings
Fig. 6: Level settings
User Congurable:
Length Units: the unit of measurement used for engineering units.
Default is inches if ordered in inches and mm if ordered in mm.
Options include inches, feet, millimeters, centimeters, and meters.

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10.1.5 Temperature settings
Fig. 7: Temperature settings
Factory Set:
Number of Averages: This is the number of temperature readings
that are averaged together for the temperature output. The higher the
number the more temperature readings that are averaged. The higher
the number the smoother the output but also the slower the update to
changes in the process temperature.
Position: The location of the temperature sensor in reference to the
end of the pipe.
Slope: Calibration factor for the temperature sensor. Do not change
unless a new sensing element with temperature is ordered.
Intercept: Calibration factor for the temperature sensor. Do not change
unless a new sensing element with temperature is ordered.
User Congurable:
Temperature Units: Change the units of measure for the temperature
settings. Options are Fahrenheit or Celsius.
10.1.6 Analog settings
Fig. 8: Analog settings
Factory Set:
PV: is the Primary Variable in HART® and the default setting is the
Product Level. For SIL units, the PV cannot be changed from the
Product level.
SV: is the Secondary Variable in HART® and the default setting is the
Interface Level. This determines which variable is output on Loop 2.
The same variable can be output on Loop 1 and Loop 2.
TV: is the Tertiary Variable in HART® and the default setting is Tempe-
rature. The TV can only be viewed via HART®.
User Congurable:
Product Zero: The Zero, 4 mA, and/or LRV for the product level.
Default setting is the minimum level reading outside the inactive zone.
The Zero should always be within the active measuring range and at
least 152 mm (6 in.) away from the Span. The Zero and Span can be
reversed.
Product Span: The Span, 20 mA, and/or URV for the product level.
Default setting is the order length minus 25 mm (1 in.). The Span
should always be within the active measuring range and at least
152 mm (6 in.)away from the Zero. The Zero and Span can be rever-
sed.
Interface Zero: The Zero, 4 mA, and/or LRV for the interface level.
Default setting is the minimum level reading outside the inactive zone.
The Zero should always be within the active measuring range and at
least 50 mm (2 in.) away from the Span. The Zero and Span can be re-
versed. If there is no Interface Level then the boxes will not be shown.
Interface Span: The Span, 20 mA, and/or URV for the interface level.
Default setting is the order length minus 25 mm (1 in.). The Span
should always be within the active measuring range and at least 50
mm (2 in.) away from the Zero. The Zero and Span can be reversed. If
there is no Interface Level then the boxes will not be shown.
Temperature Zero: The Zero, 4 mA, and/or LRV for the tempera-
ture. Default setting is -40°C (-40°F). The Zero and Span cannot be
reversed as the Zero must always be lower than the Span. If there is no
temperature measurement then the boxes will not be shown.
Product Span: The Span, 20 mA, and/or URV for the temperature.
Default setting is 125°C (257°F). The Zero and Span cannot be
reversed as the Zero must always be lower than the Span. If there is no
temperature measurement then the boxes will not be shown.
Product Damping: Slows the rate of change of the product level.
Default setting is 0.4s. Setting cannot be changed for product level.
Interface Damping: Slows the rate of change of the interface level.
Default setting is 0.4s.
Temp Damping: Slows the rate of change of the temperature.
Default setting is 0.4s.