Milltronics airanger XPL plus User manual

Instruction Manual March 2005
XPL PLUS
airanger

© Siemens Milltronics Process Instruments Inc. 2005
Safety Guidelines: Warning notices must be observed to ensure personal safety as well as that of
others, and to protect the product and the connected equipment. These warning notices are
accompanied by a clarification of the level of caution to be observed.
Qualified Personnel: This device/system may only be set up and operated in conjunction with this
manual. Qualified personnel are only authorized to install and operate this equipment in accordance with
established safety practices and standards.
Unit Repair and Excluded Liability:
• The user is responsible for all changes and repairs made to the device by the user or the user’s
agent.
• All new components are to be provided by Siemens Milltronics Process Instruments Inc.
• Restrict repair to faulty components only.
• Do not reuse faulty components.
Warning: This product can only function properly and safely if it is correctly transported, stored,
installed, set up, operated, and maintained.
Note: Always use product in accordance with specifications.
Copyright Siemens Milltronics Process
Instruments Inc. 2005. All Rights Reserved Disclaimer of Liability
This document is available in bound version and in
electronic version. We encourage users to purchase
authorized bound manuals, or to view electronic versions
as designed and authored by Siemens Milltronics Process
Instruments Inc. Siemens Milltronics Process Instruments
Inc. will not be responsible for the contents of partial or
whole reproductions of either bound or electronic
versions.
While we have verified the contents of this
manual for agreement with the
instrumentation described, variations
remain possible. Thus we cannot
guarantee full agreement. The contents of
this manual are regularly reviewed and
corrections are included in subsequent
editions. We welcome all suggestions for
improvement.
Technical data subject to change.
MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments Inc.
Contact SMPI Technical Publications at the following address:
Technical Publications
Siemens Milltronics Process Instruments Inc.
1954 Technology Drive, P.O. Box 4225
Peterborough, Ontario, Canada, K9J 7B1
Email: [e-mail]
• For a selection of Siemens Milltronics level measurement manuals, go to:
www. siemens.com/processautomation. Under Process Instrumentation, select
Level
Measurement
and then go to the manual archive listed under the product family.
• For a selection of Siemens Milltronics weighing manuals, go to:
www. siemens.com/processautomation. Under Weighing Technology, select
Continuous
Weighing Systems
and then go to the manual archive listed under the product family.

i
Table of Contents
Introduction ....................................................................................................................................................1
About This Manual ..................................................................................................................................1
About the AiRanger XPL Plus ..............................................................................................................2
Important AiRanger XPL Plus Features .............................................................................................4
Installation ......................................................................................................................................................7
AiRanger XPL Plus ..................................................................................................................................7
Optional Cards ..........................................................................................................................................9
Interconnection ......................................................................................................................................10
Programming ...............................................................................................................................................15
Display ......................................................................................................................................................15
Keypad .....................................................................................................................................................16
Program Mode Entry ............................................................................................................................17
Parameter Value Alteration ................................................................................................................17
Programming Security .........................................................................................................................18
Quick Start Parameters ..........................................................................................................................19
Operation .......................................................................................................................................................23
Display ......................................................................................................................................................23
Keypad .....................................................................................................................................................24
System Performance Evaluation .......................................................................................................25
Performance Test Results ...................................................................................................................26
Application Parameters .........................................................................................................................27
Volume Parameters (P050 to P055) ...................................................................................................27
Reading Parameters (P060 to P062) ..................................................................................................29
Failsafe Parameters (P070 to P072) ..................................................................................................30
Relay Parameters (P100 to P104, P110 to P113, P129) ..................................................................33
mA Output Parameters (P200 to P203, P210 to P215, P219) ........................................................39
Enhancement Parameters ....................................................................................................................43
Data Logging Parameters (P300 and P302) ....................................................................................43
Profile Records (P330 to P337) ...........................................................................................................44
Installation Records (P340 to P342) ..................................................................................................47
Range Calibration Parameters (P650 to P654) ..............................................................................48
Temperature Compensation Parameters (P660 to P664) ............................................................51
Rate Parameters (P700 to P707) .......................................................................................................53
Measurement Verification Parameters (P710 to P713) ...............................................................55
Scanning Parameters (P720, P725 to P729) ...................................................................................57
Display Parameters (P730 to P734, P740) .......................................................................................59
SmartLinx Parameters ........................................................................................................................61
Echo Processing Parameters (P800 to P807) ................................................................................62
Advanced Echo Processing (P810,P816-P825,P830-P835,P840-P845,P850-P852) ..................65
Test Parameters (P900 to P913) .........................................................................................................72

ii
Measurement Parameters (P920 to P923) ......................................................................................74
Master Reset (P999) ............................................................................................................................77
Technical Reference ................................................................................................................................79
Transmit Pulse ........................................................................................................................................79
Echo Processing ....................................................................................................................................79
Distance Calculation ............................................................................................................................80
Sound Velocity .......................................................................................................................................80
Scanning ..................................................................................................................................................81
Volume Calculation ...............................................................................................................................81
Measurement Response .....................................................................................................................82
Application Examples ...........................................................................................................................83
BIC-II Support .........................................................................................................................................93
Maintenance ..........................................................................................................................................96
Troubleshooting Guide ..........................................................................................................................97
Measurement Difficulties ....................................................................................................................98
Specifications ......................................................................................................................................... 103
Programming Chart .............................................................................................................................. 105
Programming Chart ............................................................................................................................... 106
Programming Chart .............................................................................................................................. 107
Programming Chart .............................................................................................................................. 108

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 1
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Introduction
Introduction
About This Manual
This instruction manual provides information specific to the AiRanger XPL Plus (Ten Point
Level) monitor.
When references are made to other Siemens Milltronics products associated with an
AiRanger XPL Plus (XPL Plus) based level measurement system, refer to the associated
product instruction manuals, if necessary.
After reading this introduction and completing the physical installation, first time system
installers may wish to use the AiRanger XPL Plus Quick Start Guide for step-by-step start
up instructions.
Introduction introduces installers and operators to the XPL Plus, with brief
descriptions of key features.
Installation provides a step-by-step procedure to install and interconnect an
XPL Plus based level measurement system.
Programming defines PROGRAM mode display and keypad functions, and gen-
eral programming information.
Quick Start Parameters details the minimum recommended programming required to pre-
pare the XPL Plus for RUN mode operation.
Operations defines RUN mode display and keypad functions, including the
RUN mode entry procedure and performance evaluation recom-
mendations.
Application Parameters details the programmable features that may be used to alter XPL
Plus display, failsafe, SAM-20 relay, and AO-10 mA output opera-
tion.
Enhancement Parameters defines the programmable features used to enhance RUN mode
operation. (Typically used as directed by the Troubleshooting
Guide).
Technical Reference provides detailed information for complex features and details 4
specific application examples.
Troubleshooting Guide provides a quick reference to installation modification and pro-
gramming remedies to overcome challenging operating condi-
tions.
Specifications lists the environmental, physical, and operational characteristics
associated with the XPL Plus.
Programming Charts provides a convenient space to record all programming for future
reference. (May also be used as a complete parameter index.)
Note: Programming is not complete until the Programming Charts are completed.

Page 2 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Introduction
About the AiRanger XPL Plus
The AiRanger XPL Plus is to be used only in the manner outlined in this instruction
manual.
The XPL Plus is a microprocessor based level monitor designed specifically for bulk
solids and liquid level measurement applications. An XPL Plus level monitor, utilizing a
single Siemens Milltronics ultrasonic transducer, accurately monitors vessel material
level without material contact. By using an additional transducer for each vessel, the XPL
Plus can monitor the material level in up to 10 vessels.
The XPL Plus transmits electronic pulses to each scanned ultrasonic transducer. The
transducer converts the electronic pulses to ultrasonic pulses which are emitted from the
transducer face in a narrow beam. The XPL Plus measures the time from the pulse
emission, to receiving the reflection (echo) from the material. Using the time measured,
the XPL Plus calculates the distance from the transducer face to the material.
The distance calculation is dependent upon the sound velocity within the vessel. When
Siemens Milltronics ultrasonic/temperature transducers are used, variable air
temperatures are independently compensated for each vessel. For superior air
temperature compensation, a TIB-9 card may be used with individual Siemens Milltronics
TS-3 temperature sensors for each vessel. A simple calibration feature compensates for
homogeneous (consistent composition) atmospheres other than air.
The XPL Plus is capable of monitoring wheat in 60 m (200 ft) high silos, acetone in 45
gallon barrels, or almost anything in between, in any combination. (Ensure the transducer
selected for each vessel suits the material and measurement range required).
This material and measurement range versatility is accomplished by utilizing Siemens
Milltronics patented Sonic Intelligence®. Sonic Intelligence provides high measurement
reliability, regardless of changing conditions within the vessel monitored.
mA
5
9
C
PP
6
0
78
1234
12345678910
SL

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 3
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Introduction
By utilizing ultrasonic echo ranging principles with Sonic Intelligence and velocity
compensation, the XPL Plus provides outstanding measurement accuracy, usually within
0.25% of range.
The distance calculation may be converted to space, material level, material volume, or
remaining vessel capacity Readings. The Reading chosen (and operating data) for each
vessel is displayed on the Liquid Crystal Display (LCD).
Up to three Siemens Milltronics Peripherals may be connected to the XPL Plus. The AO-
10, SAM-20 and/or BIC-II, respectively provide analog output , relays, and RS-232 or RS-
422 communication interface, as programmed by the XPL Plus.
With the addition of a Siemens Milltronics SmartLinx protocol specific ‘plug in’
communications module, the XPL Plus is compatible with popular industrial control
system standards.
Operator programming, via a Siemens Milltronics infrared programmer, is stored in non-
volatile memory, unaffected by power interruption. The infrared interface permits one
programmer to be used for any number of XPL Plus level monitors. Upon programming
completion, the removable programmer may be locked away, thereby securing all
programming.
While the XPL Plus is typically used to monitor material level in open or closed vessels,
any process which requires a distance measurement (within the system range) is a
candidate for XPL Plus application.
Refer to
Technical Reference Application Examples for detailed descriptions of a small
sample of process measurement requirements to which the XPL Plus may be applied.
Throughout this manual (unless stated otherwise) references to material level also apply
to any material or object surface to be monitored by the XPL Plus.
XPL Plus with SmartLinx industrial control system
bus
proprietary Milltronics communications loop

Page 4 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Introduction
Important AiRanger XPL Plus Features
Fixed Features
Enclosure Chemical resistant, light weight, dust tight, liquid tight, easy to work with.
LCD Large digits for Reading and programming value displays.
Graphic Symbols for continuous indication of operating conditions.
Programmer 20 tactile feedback keys or Dolphin (XPL Plus/RS-232C interface) each with
magnetic mounting and infrared interface (ordered separately).
Scanning Substantially reduces equipment costs for additional vessels (present or
future).
Communications
Siemens Milltronics Peripherals
Proprietary bipolar communications with AO-10, SAM-20 and BIC-2
peripheral devices, for respective analog mA output, alarm control relays
and RS-232 or RS-422 interface.
and /or
SmartLinx Compatible
Communications ready when equipped with an appropriate Siemens Mill-
tronics SmartLinx module.
Speed Fast 16/32 bit microprocessor at 16.7 MHz clock speed.
1 vessel (point) per second scanning speed capability.
Reliability Surface Mount Technology (SMT) also provides for full features in a com-
pact design. Sonic Intelligence® ensures all measurements are accurate
and reliable. Immune to power interruptions, all programming is stored
indefinitely. Dynamic operating data is retained for one hour and updated
immediately on power resumption.

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 5
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Introduction
Programmable Features
Typically, a very small percentage of the programmable features require operator
alteration. However, for demanding measurement requirements any operator
programmable feature may be adjusted as desired.
Following is a list of some of the features that make the XPL Plus easy to program, yet
versatile enough to handle complex level measurement requirements.
GENERAL FEATURES
Direct Access Any operator programmable feature may be accessed directly.
Scroll Access Single button "scroll forward", single button "scroll back", to key features.
Operation Select "level","space", or "distance" operation.
Material Liquid or Solid; automatically adjusts echo processing with one entry.
Response Slow, medium, fast, surge, or turbo response to material level changes,
one entry.
Units Display Readings in m, cm, mm, ft, in, %, or any other units desired.
ADDITIONAL FEATURES (use as desired)
Volume Eight pre-programmed tank shape options.
Two universal tank shape programming methods.
Failsafe Numerous failsafe options for process control equipment activation.
Relays
(SAM-20 required)
7 alarm functions including level, rate of change, temperature and more.
Fixed or independent on/off setpoints.
mA Outputs
(AO-10 required)
Based on level, space, distance, or volume.
4 range selections, 0-20, 4-20, 20-0, or 20-4 mA.
Adjustable range and over-range limits.

Page 6 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 7
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Installation
Installation
Installation shall only be performed by qualified personnel, and in accordance with
local governing regulations.
The following procedure applies to all XPL Plus level monitor installations. See
Technical
Reference Application Examples for additional installation requirements. Also, refer to
the instruction manuals of all other equipment connected to the XPL Plus for additional
installation instructions.
AiRanger XPL Plus
Installation should only be performed by qualified personnel, and in accordance with all
governing regulations.
Location
Inspect all potential mounting locations. Choose a location suited to the XPL Plus
polycarbonate enclosure and the following location recommendations.
The ideal XPL Plus mounting location is where the
1. Ambient temperature is always within -20 to 50 °C (-5 to 122 °F).
2. XPL Plus front cover has sufficient room to swing open.
3. Operator and electronics are not exposed to the weather.
4. Cable length requirements are minimal.
5. Mounting surface is free from vibration.
Avoid mounting locations where the XPL Plus is
1. Exposed to direct sunlight. (Otherwise, provide a sun shield.)
2. Close to high voltage or current runs, contactors, or SCR control drives.
Cable / Conduit Entry Requirements
Determine the number of enclosure cable / conduit entries required for
•Transducers
• TS-3 temperature sensors (if used)
• BIC-II (if used)
• SAM-20 (if used)
• AO-10 (if used)
• Synchronization (see Interconnection-Level System Synchronization)
•Power
Note: Transducer cables must be run in a grounded metal conduit, separate
from other wiring, (except TS-3 temperature sensor wiring, if applicable).

Page 8 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Installation
Mounting
This product is susceptible to electrostatic shock. Follow proper
grounding procedures.
Inspect all cartons and packaging for possible damage during shipment, before removing
the XPL Plus and associated equipment.
1. Loosen the six enclosure lid (captivated) screws and swing the lid open.
2. Remove the four board B mounting screws (outer corners) and remove the
circuit board assembly.
3. Drill sufficient holes in the enclosure bottom to meet enclosure cable / conduit
entry requirements.
4. Attach the enclosure to the selected mounting surface. (four predrilled screw
holes provided.)
5. Attach the conduit / cable hubs to the enclosure. (Do not apply undue force.)
6. Reinstall the circuit board assembly.
Transducer Mounting
Objects near the transducer face cannot be reliably detected. Mount the transducer
above the highest material level (away from the nearest monitored object) by the
following Nearest Distance.
Note: Non-metallic enclosure does not provide grounding between conduit
connections. Use grounding type bushings and jumpers.
Nearest Distance Transducer Types
0.5 m (1.65 ft)1
1This is the recommended minimum distance. However, it can be reduced under certain circum-
stances. Please check the appropriate transducer manual for details.
ST-H, ST-25, XCT-8, XPS-10, XCT-12, XPS-15, ST-50
0.66 m (2.17 ft)1XPS-30, XPS-40
0.99 m (3.25 ft) ST-100, LR-21, XLT-30, XLS-30
1.32 m (4.33 ft) LR-13, XLT-60, XLS-60
AIRANGER
PLUS
mA
5
9
C
PP
6
0
78
1234
12345678910
SL
285 mm
(11.2”)
267 mm
(10.5”)
106 mm
(4.2”)
209 mm
(8.2”)
172 mm
(6.8”)
Suitable location for conduit entrances.
Use water tight conduit hubs to maintain the enclosure rating. mounting hole 4.3 mm (0.17”) diameter
access under lid (four places)

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 9
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Installation
Optional Cards
Communications Module
The XPL Plus is software / hardware ready to accept an optional Siemens Milltronics
SmartLinx communications module that provides an interface to one of several popular
industrial communications systems.
Your XPL Plus may be shipped to you without a SmartLinx module, for installation at later
date.
If you are ready to install your SmartLinx module, or want to change it, please follow the
procedure as outlined.
TIB-9 Card
The standard XPL Plus supports one Siemens Milltronics TS-3 temperature sensor. When
equipped with a TIB-9 card, the XPL Plus supports up to ten TS-3s.
Your XPL Plus may be shipped to you without a TIB-9 card, for installation at a later date.
If you are ready to install your TIB-9 card, please follow the procedure as outlined.
Installation Procedure
With power off and the XPL Plus lid opened:
1. Remove the four LCD card screws and the card itself.
2. If there is no TIB-9 card being installed, proceed to step 6, otherwise proceed
with step 3.
3. Remove the five board A screws, and lift off the board (though still attached by
ribbon connectors).
4. Mount the TIB-9 card by mating the connectors and secure the card in place
using the three screws provided.
5. Replace board A and secure in place using the screws removed in step 3.
6. If installing an optional SmartLinx module, mount the card by mating the
connectors and secure the card in place using the two screws provided.
Refer to the SmartLinx module documentation for any required hardware settings
prior to replacing the LCD card or closing the XPL Plus lid.
7. Replace the LCD card and secure in place using the screws removed in step 1.
LCD card
communications module
board A
TIB-9 card

Page 10 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Installation
Interconnection
Before interconnecting system components to the XPL Plus terminals, verify all
components have been installed in accordance with the associated product instruction
manuals.
Connect all associated equipment cable shields to the XPL Plus shield connections. To
avoid differential ground potentials, do not connect cable shields to ground (earth)
elsewhere. Insulate (tape) cable shields at all shield junctions to prevent ground loops.
All field wiring must have insulation suitable for at least 250 V.
Hazardous voltage is present on transducer terminals during
operation.
OFF
230 V
115 V
100 V
200 V
SYNC
P12
XPL PLUS __________
display scope connections
optional
SmartLinx
module board A
SW1
voltage
selection
EPROM
optional
TIB-9
terminal block
board B

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 11
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Installation
System Diagram
AiRanger XPL Plus
optional
SmartLinx
10
10
industry bus
bipolar current
Milltronics communications
Maximum system capability. Not all components or their maximum
quantity may be required.
Milltronics transduce
r,
see Specifications
Milltronics TS-3,
temperature sensor
Milltronics AO-10,
analog output
device
Milltronics SAM-20,
relay output device
Milltronics BIC-2,
buffered interface
converter
industry control
system

Page 12 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Installation
Transducer
Temperature Sensor
Use TS-3 temperature sensors only. Don’t jumper the terminals if TS-3’s are not used.
Peripherals
The XPL Plus is compatible with the following Siemens Milltronics peripherals (3 max.):
• SAM-20: 20 relay satellite alarm module (2 max.)
• AO-10: 10 output analog output module (1 only)
• BIC-II: buffered XPL Plus to RS-232C / RS-422 interface (1 only)
Hazardous voltage is present on transducer terminals during
operation.
Transducers
To Transducers (10 max), RG62 A / U Coax, 365 m (1200 ft) / Transducer max.
Transducer cables must be run in a grounded metal conduit separate from
other wiring (except TS-3 temperature sensor wiring, if applicable).
single Temp Sensor TIB-9 card for multiple Temp Sensors (optional)
XPL Plus
(board B)
to Temp Sensor #1 to additional Temp Sensors
Use Belden 8760 (or equivalent ) 18 AWG, 2 wire shielded / twisted, 365 m (1200 ft) per TS-3 max.

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 13
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Installation
Connect the peripherals used, in a serial loop as follows:
Level System Synchronization
Avoid mounting the XPL Plus near another ultrasonic level monitor. Likewise, when more
than one monitor is installed within a single plant / facility, ensure the transducer cables
of each system are run in separate grounded metal conduits. If this system separation is
impractical, or despite separation efforts measurement difficulties are encountered,
system synchronization may be required.
To synchronize the XPL Plus with an AiRanger DPL Plus or another XPL Plus perform the
following steps.
1. Mount the level monitors together in one cabinet.
2. Ensure the level monitors share a common power (mains) supply, and ground
(earth).
3. Interconnect the SYNC terminals of the level monitors to be synchronized.
To synchronize the XPL Plus with other Siemens Milltronics ultrasonic level
monitors (not listed) contact Siemens Milltronics or your local distributor.
Use Belden 8760 (or equivalent) 18 AWG, 2 wire shielded / twisted, 3000 m (10,000 ft) total loop length.

Page 14 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Installation
Power
Before making the power connection, ensure proper voltage selection.
Never operate the XPL Plus with the enclosure lid open, or with the ground (earth)
wire disconnected.
Ensure that any connected alarm or control equipment is disabled until satisfactory
system operation and performance is verified.
The equipment must be protected by a 15 A fuse or circuit breaker in the
building installation.
A circuit breaker or switch in the building installation, marked as the disconnect
switch, shall be in close proximity to the equipment and within easy reach
of the operator.
50 51
L2/N 52
L1
SW1 switch shown in the
‘OFF’ position. Select
appropriate voltage.
100/115/200/230 V
50/60 Hz
select voltage via SW1.

7ML19981AN02 AiRanger XPL Plus – INSTRUCTION MANUAL Page 15
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Programming
Programming
Operator programmable features are identified by a Point Number and Parameter
Number. The Point Number refers to the Transducer (vessel) Number, Relay Number, mA
Output Number, or TS-3 Number as identified by the Point Type indicators. Parameter
Numbers have a preset Parameter Value for each Point Number.
Programming is accomplished by altering the preset Parameter Values as required to
obtain the RUN mode operation desired. All operator programmable features are defined
in the Quick Start Parameters, Application Parameters, and Enhancement Parameters
sections of this instruction manual.
Display
In the PROGRAM mode, the Point Type, Point Number, Parameter Number, and Parameter
Value (as well as a variety of other programming information) may be viewed.
Note that many indicators are specific to certain programming conditions and therefore,
all indicators are not displayed at any given time.
Parameter Number the programmable feature the Parameter Value pertains to.
Point Type the Point Number refers to a Transducer, Relay, mA Output, TS-3, or
Breakpoint.
SAM-20 Bank
Number
identifies the SAM-20 the Relay Number displayed pertains to.
Point Number the Transducer, Relay, mA Output or TS-3 # the Parameter Value pertains to.
Parameter Value the current value of the Parameter Number for the Point Number displayed.
Units indicates the Parameter Value is displayed in: m, cm, mm, ft, in, or %.
Invalid Entry indicates the value entered is questionable.
Auxiliary Function indicates Auxiliary Function access (applies to only some Parameter
Numbers).
Scroll Access Tag indicates the Parameter Value may be scroll accessed.
PROGRAM mode indicates the PROGRAM mode is accessed.
Point in Service indicates the Point Numbers which will be scanned in the RUN mode.
Transducer
Relay
Analog Output
TS-3
Index
Point Type
SAM-20 Bank
Number
Point
Number
Parameter
Value Units
Auxiliary
Function
Point in Service PROGRAM
mode
Parameter
Number
Invalid Entry Scroll Access
Tag

Page 16 AiRanger XPL Plus – INSTRUCTION MANUAL 7ML19981AN02
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Programming
Keypad
In the PROGRAM mode, use the XPL Plus programmer keys to perform the identified
functions.
shift access to the Point Number, Parameter Number, or Parameter Value display.
input a numeric value into the accessed display.
input a Parameter Value decimal point (moves Profile and TVT Pointers left).
input a negative Parameter Value (moves Profile and TVT Pointers right).
delete the current Parameter Value display (initiate a parameter reset).
store the current Parameter Value in memory (complete a parameter reset).
switch the Parameter Value to % or Units (access Auxiliary Parameter Function).
increase the accessed display value.
decrease the accessed display value.
take an ultrasonic measurement.
enter the RUN mode.
mA
5
9
C
PP
6
0
78
1234
Numeric Value Keys
Function Keys
0
–
9
P
P