IMP+
IMP+IMP+
IMP+
INSTRUCTION MANUAL
IMP+ (FOURTH EDITION)
November 2009
Part Number M-080-0-004P
COPYRIGHT
© Pulsar Process Measurement Limited, 2005-9. All rights reserved. No part of this publication may
be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in
any form without the written permission of Pulsar Process Measurement Limited.
WARRANTY AND LIABILITY
Pulsar Process Measurement Limited guarantee for a period of 2 years from the date of delivery that it
will either exchange or repair any part of this product returned to Pulsar Process Measurement
Limited if it is found to be defective in material or workmanship, subject to the defect not being due to
unfair wear and tear, misuse, modification or alteration, accident, misapplication or negligence.
DISCLAIMER
Pulsar Process Measurement Limited gives nor implies any process guarantee for this product, and
shall have no liability in respect of any loss, injury or damage whatsoever arising out of the
application or use of any product or circuit described herein.
Every effort has been made to ensure accuracy of this documentation, but Pulsar Process
Measurement Limited cannot be held liable for any errors.
Pulsar Process Measurement Limited operates a policy of constant development and improvement and
reserves the right to amend technical details as necessary.
TECHNICAL ENQUIRIES
Please contact Pulsar Process Measurement Limited for technical support.
COMMENTS AND SUGGESTIONS
If you have any comments or suggestions about this product, then please contact:
Pulsar Process Measurement Limited
Pulsar Process Measurement Inc.
Cardinal Building
Enigma Commercial Centre
Sandy’s Road
Malvern
Worcestershire
WR14 1JJ
United Kingdom
PO Box 5177
Niceville
FL 32578-5177
USA
Tel: + 44 (0) 1684 891371
Fax: + 44 (0) 1684 575985
Tel: + 1 850 279 4882
Fax: + 1 850 279 4886
Web Site: http://www.pulsar-pm.com
e-mail: info@pulsar-pm.com (general
information)
e-mail: support@ pulsar-pm.com (product
support)
Web Site: http://www.pulsar-pm.com
e-mail: info.usa@pulsar-us.com (general
information)
e-mail: support.usa@ pulsar-pm.com (product
support)
Contents
Chapter 1 Start Here….........................................................................................................................................1
About this Manual...........................................................................................................................................1
About the IMP+ Level Monitoring System ......................................................................................................2
Functional Description............................................................................................................................2
Product Specification.......................................................................................................................................4
Physical....................................................................................................................................................4
Environmental..........................................................................................................................................4
Performance............................................................................................................................................. 4
Standard features......................................................................................................................................4
Additional features - 3wires. ...................................................................................................................4
PC interface..............................................................................................................................................4
Chapter 2 Installation............................................................................................................................................5
Power Supply Requirements...........................................................................................................................5
Terminal Connections...................................................................................................................................11
2 Wire.....................................................................................................................................................11
Loop Resistance.....................................................................................................................................11
3 Wire.....................................................................................................................................................12
Preparation for Operation..............................................................................................................................12
Maintenance...................................................................................................................................................13
Chapter 3 How To Use Your IMP+ Level Monitoring System.........................................................................14
Operating the Controls..................................................................................................................................14
Display...................................................................................................................................................14
Run Mode..............................................................................................................................................14
Program Mode.......................................................................................................................................15
Button Functions....................................................................................................................................15
How to Access Program Mode.....................................................................................................................16
Parameter Defaults........................................................................................................................................17
Factory Defaults.....................................................................................................................................17
Chapter 4 Getting Results With Your IMP+ .......................................................................................................18
Setting up Your Application.........................................................................................................................18
Empty Distance......................................................................................................................................18
Span........................................................................................................................................................18
Near and Far Blanking ..........................................................................................................................18
Using the 4-20 mA Output............................................................................................................................18
Using the Relays............................................................................................................................................19
Alarm Relay Set-up...............................................................................................................................20
Control Relay Set-up.............................................................................................................................21
Loss of Echo Set-up...............................................................................................................................21
Other Relay Parameters.........................................................................................................................22
Setting Security Passcodes............................................................................................................................22
Using A Passcode..................................................................................................................................22
Changing The Passcode ........................................................................................................................23
Resetting Factory Defaults............................................................................................................................23
Checking the Information Specific to your IMP+ ..........................................................................................23
Checking the Software Revision and Serial Number ..........................................................................23
Using the RS232 Serial Interface..................................................................................................................23
Chapter 5 Parameter Guide................................................................................................................................25
Parameter Listing...........................................................................................................................................25
Application (APP) Menu..............................................................................................................................25
P100 Mode of Operation.......................................................................................................................25
P104 Measurement Units......................................................................................................................25
P105 Empty Level.................................................................................................................................25
P106 Span ..............................................................................................................................................26
P107 Near Blanking Distance...............................................................................................................26
P108 Far Blanking Distance .................................................................................................................26
Relay (rL) Menu............................................................................................................................................27
P210 (Relay 1), P220 (Relay 2) - Relay Type......................................................................................27
Alarms....................................................................................................................................................27
P213 (Relay 1), P223 (Relay 2) - Relay “ON” Setpoint......................................................................28
P214 (Relay 1), P224 (Relay 2) - Relay “OFF” Setpoint....................................................................28
Control....................................................................................................................................................28
P213 (Relay 1), P223 (Relay 2) - Relay “ON” Setpoint......................................................................29
P214 (Relay 1), P224 (Relay 2) - Relay “OFF” Setpoint....................................................................29
Volume (UoL) Menu ....................................................................................................................................30
P600 Vessel Shape ................................................................................................................................30
P601-P603 Vessel Dimensions.............................................................................................................32
P604 Calculated Volume.......................................................................................................................32
P605 Volume Units...............................................................................................................................33
P606 Correction Factor .........................................................................................................................33
P607 Max Volume ................................................................................................................................33
Display (DiSP) Menu....................................................................................................................................34
P800 Display Units................................................................................................................................34
P801 Decimal Places.............................................................................................................................34
P808 Fail-safe Mode .............................................................................................................................34
P809 Fail-safe Time ..............................................................................................................................34
mA Output (LOOP) Menu............................................................................................................................35
P834 mA Low Level.............................................................................................................................35
P835 mA High Level ............................................................................................................................35
P838 mA Low Trim..............................................................................................................................35
P839 mA High Trim..............................................................................................................................35
P840 mA Fail-safe Mode......................................................................................................................35
P842 Voltage Output.............................................................................................................................36
Compensation (CoP) Menu..........................................................................................................................36
P851 Measurement Offset.....................................................................................................................36
P852 Temperature Source.....................................................................................................................36
P854 Fixed Temperature.......................................................................................................................37
P860 Sound Velocity.............................................................................................................................37
P645 Vapour Temperature Compensation...........................................................................................37
Stability (StA) Menu.....................................................................................................................................38
Damping.................................................................................................................................................38
System (SyS1) Menu ....................................................................................................................................38
P921 Enable Code.................................................................................................................................38
P922 Passcode.......................................................................................................................................38
P926 Software Revision........................................................................................................................38
P928 Serial Number..............................................................................................................................38
P930 Factory Defaults...........................................................................................................................39
Test (tESt) Menu...........................................................................................................................................39
P991 Hard Test......................................................................................................................................39
P992 mA Out Test.................................................................................................................................39
Chapter 6 Troubleshooting ................................................................................................................................40
Parameter Record.................................................................................................................................................41
Page1
Chapter 1 Start Here…
Congratulations on your purchase of a Pulsar IMP
IMPIMP
IMP++++ Level Monitoring
System. This quality system has been developed over many years and
represents the latest in high technology ultrasonic level measurement and
control.
It has been designed to give you years of trouble-free performance, and a
few minutes spent reading this operating manual will ensure that your
installation is as simple as possible.
About this Manual
It is important that this manual is referred to for correct installation and
operation.
There are various parts of the manual that offer additional help or
information as shown:
Tips
TIP
At various parts of this manual you will
find tips to help you.
Additional Information
Additional Information
At various parts of the manual, you will find sections
like this that explain specific items in more detail.
Page 2
About the IMP
IMPIMP
IMP++++ Level Monitoring System
Functional Description
The IMP
IMPIMP
IMP++++ level monitoring system is a highly developed ultrasonic level
measurement system which provides non-contacting level measurement for
a wide variety of applications in both liquids and solids. Its unique design
allows for both 3 wire and 2 wire (loop powered) configuration all within
the same unit.
Easy calibration and maintenance free “fit and forget” performance mean
that you can install the IMP
IMPIMP
IMP++++ Level Monitoring System rapidly and with
confidence. Two relays which can be configured for either alarm or control
functions, with fully programmable setpoints are provided when connected
as a 3 wire device, together with fault condition being indicated by the mA
output on both the 2 and 3 wire mode.
The IMP+
IMP+IMP+
IMP+ operates on the principle of timing the echo received from a
measured pulse of sound transmitted in air and utilises “state of the art”
echo extraction technology.
IMP+
IMP+IMP+
IMP+ comes in three models: IMP 3 with a range from 0.20m (0.66 feet) to
3.00m (9.84 feet), IMP 6 with a range of 0.3m (0.98 feet) to 6.00m (19.69
feet) and IMP 10 with a range of 0.3m (0.98 feet) to 10.00m (32.81 feet).
Page3
The IMP+
IMP+IMP+
IMP+ can show level, space, distance, on the display. The relays can be
programmed to give an ‘ON’ and ‘OFF’ point for external control. There is
a 4-20 mA output (non isolated in 3 wire mode) that can be connected to a
remote chart recorder or PLC, to monitor level, space or distance, dependant
on the measurement mode selected, and provides a ‘fault condition’ alarm of
either 3.5mA or 22mA.
The IMP+
IMP+IMP+
IMP+ lid has an integral LCD display and 4 buttons which are used for
programming purposes when in Program Mode and as hot keys providing
additional information whilst in Run Mode.
Page 4
Product Specification
Physical
o Dimensions 186mm (5.24 inches) O/A height x 133mm (7.32 inches)
O/A diameter.
o Cable entry 2 off cable glands 4.5 -10mm. (Torque to 2NM)
o Mounting 1.5" BSP/NPT (IMP3 and 6 models) 2" BSP/NPT (IMP 10)
o Weight approx 1KG
Environmental
o Temperature range -40 to +65°C. Ambient
o Temperature range -40 to +80°C. Transducer
o IP rating IP67
Performance
o Digital processing of echo
o Input Voltage range 11-30volts DC. Current output 3.5-22mA.
o Measurement range 200mm (0.66 feet) to 10000mm (32.81 feet),
(dependant on model) accuracy ± 0.25% or 6mm which ever is greatest.
o 4-20mA output resolution 5uA.
2 wire configuration isolate
d
3 wire configuration non isolated
o Temperature compensation via internal digital temperature sensor with ±
0.5°C accuracy.
o Current consumption for 3 wire mode max 60 ma
o Time from power up to stable reading 10 seconds.
Standard features
o RS232 connection for diagnostics and software updates
o 4 Digit LCD display
o 4 button keypad for parameter entry
Additional features - 3wires.
o Backlight fitted to LCD display
o 0-10v analogue output
o 2 off SPDT relays rated 1A 30VDC/AC
PC interface
o All parameters can be accessed and changed via IMP view software.
o Trace viewing ability.
Page5
Chapter 2 Installation
Power Supply Requirements
The IMP+
IMP+IMP+
IMP+ operates from a DC supply of 11 –30V and will typically draw
less than 0.06A.
All electronic products are susceptible to electrostatic
shock, so follow proper grounding procedures during
installation.
The compact one-piece construction of the IMP+
IMP+IMP+
IMP+ can be mounted easily
using the integral nose thread (1.5" or 2" BSP/ NPT, dependent on model).
When choosing a location to mount the Imp, bear in mind the following:
• For access to the LCD display and programming buttons it is
recommended that you mount it in an area which is easily
accessible.
• The ultrasonic signal path should be free of falling material and
obstructions such as pipes, beams etc.
• The IMP 3 should be mounted at least 20cm (0.66 feet) above the
maximum level of the material and be perpendicular to the surface.
Whilst the IMP 6 and 10 should be mounted at least 30cm (0.98
feet) above the maximum level of the material and be perpendicular
to the surface.
• The ambient temperature is between -20ºC and 65ºC.
• There should be no high voltage cables or electrical inverters close
by.
Page 6
Dimensions
The dimensions of the IMP+
IMP+IMP+
IMP+ are as shown below.
1.5" BSP/NPT – IMP 3 & 6
2" BSP/NPT – IMP 10
Page7
Outdoor and Open Vessel Installation
The IMP+
IMP+IMP+
IMP+ can be simply mounted on a bracket, suitable for the application
and secured using the thread located at the top of the transducer
(2"BSP/NPT).
Care should be taken to ensure that the IMP+
IMP+IMP+
IMP+ is not installed in direct
sunlight, in order to avoid errors in the measurement of ambient
temperature.
Attention should also be taken, when mounting the unit, to ensure that
strong windy conditions are avoided, wherever possible, to prevent
abnormal operation.
IMP+
IMP+IMP+
IMP+
Model
Range L =
Blanking
Imp 3 3 metres
(9.84 feet)
200mm
(0.66 feet)
Imp 6 6 metres
(19.69 feet)
300mm
(0.98 feet)
Imp 10 10 metres
(32.18 feet)
300mm
(0.98 feet)
“L” should as a minimum be at least that as detailed in the table above,
but can be greater if required.
Closed Vessel Installation
“L” should as a minimum be at least that as detailed in the table above, but
can be greater if required.The IMP+
IMP+IMP+
IMP+ can be simply screwed into a flange and
secured using the thread located at the top of the transducer (1.5" or 2"BSP/
NPT, dependent on model).
Where possible use a flange made of a synthetic material such as PVC, in
cases where a metal flange is used it is advisable to fit a suitable gasket
between the flange of the IMP+
IMP+IMP+
IMP+ and the connection to the vessel.
Page 8
Stand Pipe Installations
When mounting the IMP+
IMP+IMP+
IMP+ to a standpipe care should be taken to ensure that
the standpipe is of sufficient diameter with reference to its length, see the
table below for details:
Dia. (D)
Max. Length (L)
mm inches mm inches
80 3 220 8
100 4 300 12
150 6 420 16
200 8 560 22
When using a standpipe, fixed to the top of a vessel, ensure that the open
end of the standpipe is clear of any obstructions such as weld seams, gaskets
etc. in order to avoid unwanted signal returns.
If using standpipes which extend in to the vessel, beyond the blanking
distance, but not as far as the empty level, then the open end of the standpipe
should be cut to an angle of 45o.
Correct
standpipe
installation
Pipe should be free
of obstructions
such as weld seams
The maximum
level (100% of
Span) is inside the
Blanking Distance
Page9
Cable Entry
The IMP+
IMP+IMP+
IMP+ Series has two M16 cable entries, fitted with a suitable gland, to
ensure moisture protection is maintained.
Terminal Connection Details
The IMP+
IMP+IMP+
IMP+’s unique design allows for both 3 wire and 2 wire (loop powered)
configuration within the same unit the terminal connections for both
configurations are as detailed below. Wiring details are also given on the
terminals under the access cover.
2 Wire (loop powered)
Page 10
3 Wire
Source mode - the power for the loop is supplied by the IMP+
IMP+IMP+
IMP+
Page11
Terminal Connections
2 Wire
Terminal 1 + ve: Direct Current (DC) input (11-30VDC)
Terminal 2 - ve: Current Output (4-20mA)
Loop Resistance
For two wire operation the maximum cable resistance allowable can be calculated
from the graph below. For example if an IMP+
IMP+IMP+
IMP+ were supplied from 24v connected
as a 2 wire unit (4-20mA only), the maximum total cable resistance is 590 ohms,
for a typical 77 ohm /km cable this would mean a maximum cable length of
590/77 = 7.6km, remember this total cable resistance, so this figure has to be
divided by 2 to give 3.8km max distance.
Allowable total cable resistance for Loop-
powered IMP
0
100
200
300
400
500
600
700
800
900
1000
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Supply Voltage
Total Cable resistance
Maximum cable resistance vs supply voltage for 2 wire mode.
4-20mA Sourcing Total load resistance allowable
@ 22mA output
0
200
400
600
800
1000
1200
7 8 9 10 11 12 1314 15 16 17 18 1920 2122 23 24 25 26 2728 29 30
4-20mA suppl y Voltage
Maximum load resistance
Maximum cable resistance vs supply voltage for 3 wire mode.
Page 12
3 Wire
Terminal 1 + ve Current Output (4 – 20mA SINK MODE)
(NOT USED IN SOURCE MODE)
Terminal 2 - ve ground (4-20mA SINK MODE)
Terminal 3 - ve: Direct Current (DC) input (11-30VDC)
Terminal4 + ve: Direct Current (DC) input (11-30VDC)
Terminal 5 + ve Current Output (4 – 20mA SOURCE MODE)
Terminal + ve: 0-10V output (P842 = 1) or 0-5V output (P842 = 0)
Terminal 7 - ve: 0-10V output (P842 = 1) or 0-5V output (P842 = 0)
Terminal 8 Relay 1 Normally Open (N/C) Contact (De-energised)
Terminal 9 Relay 1 Common
Terminal 10 Relay 1 Normally Closed (N/O) Contact (De-energised)
Terminal 11 Relay 2 Normally Open (N/C) Contact (De-energised)
Terminal 12 Relay 2 Common
Terminal 13 Relay 2 Normally Closed (N/O) Contact (De-energised)
Important Information
If the equipment is installed or used in a manner not specified in this
manual, then the protection provided by the equipment may be impaired.
Preparation for Operation
Before switching on, check the following:
The IMP+
IMP+IMP+
IMP+ is mounted correctly.
The power supply is correctly installed.
Page13
Maintenance
There is no user serviceable parts inside your IMP+
IMP+IMP+
IMP+, if you experience any
problems with the unit, then please contact Pulsar Process Measurement for
advice.
To clean the equipment, wipe with a damp cloth. Do not use any solvents on
the enclosure.
Page 14
Chapter 3 How To Use Your IMP+ Level Monitoring System
Operating the Controls
Display
Whilst in the Run Mode, the 4 digit LCD, by default, will display the current
level reading in metres, the display will also alternate between the reading
and “LOE” when a fault condition (Loss Of Echo) is detected. When in the
Program Mode the display is used to read information on the Menu Options
and the values entered.
There are two operating modes for your IMP+
IMP+IMP+
IMP+, Run Mode and Program
Mode.
Run Mode
This mode is used once the IMP+
IMP+IMP+
IMP+ has been set up in program mode. It is also
the default mode that the unit reverts to when it resumes operation after a
power failure.
When the IMP+
IMP+IMP+
IMP+ is switched on for the first time, it will display, in metres,
the distance from the transducer face to the target.
After programming is complete, any relay outputs that are set will operate
when the level reaches the relevant setpoint.
Page15
Program Mode
This mode is used to set up the IMP+
IMP+IMP+
IMP+ or change information already set, this
is achieved by using the 4 push buttons located below the display.
Entering a value for each of the menu options that are relevant to your
application provides all the programming information.
Button Functions
There are 4 push buttons located under the display. Their name and
functions are as follows:
Button
Run Mode
Program Mode
ESC Displays details of unit
Serial No. and Software
Version
Used to Navigate out of the
Menu System and return to
Run Mode. Also used to
Cancel a Parameter Value
entered in error.
UP
Displays Current
Temperature
Used for Navigating around
Menu Sytem and Increasing
Menu Option Values.
DOWN
Displays Current Echo
Strength (dB’s)
Used for Navigating around
Menu Sytem and Decreasing
Menu Option Values.
ENTER
Displays current mA output
Used to confirm an action such
as entering a Menu Option or
Enter a Parameter Value.
Page 16
How to Access Program Mode
To access the Program mode press the “ESC” and “Enter” button
simultaneously, where upon the display will show PASS on the LCD display
briefly, to prompt you to enter the password, the display will now show 0000, and
the left hand digit will flash.
By using the UP and DOWN keys to increment or decrement the digit, and the
ENTER key to shift the flashing digit to the next position. Assuming the passcode
is the default 1997, then you should enter this.
The ESC key can be used to go back to the previous digit. Finally when you have
selected all digits pressing the ENTER key again will input the selected pass code
to the IMP+
IMP+IMP+
IMP+; if successful the display will show APP (Application). If however
you input the wrong pass code the IMP
IMPIMP
IMP++++ LCD display will show Fail for 2 seconds
and will revert back to run mode.
Using The Menu System
The menu system has been designed to make the changing of parameters very
simple. Once in the Program Mode the display will show a line of text that
displays the menu system. Pressing the Up and Down buttons will scrolls the
display between the menu items, (as shown below, starting at APP).
As you press the UP and DOWN buttons to scroll left and right between the
menu options, you can press ENTER at any time to select a specific menu
which will then take you to the parameters within the selected menu.
APP
(Application)
rL
(Relays)
UoL
(Volume)
DiSP
(Display)
LOOP
(mA Output)
Cop
(Compensation)
SyS1
(System)
tESt
(Test)
StA
(Stability)
Page17
Once you have reached the relevant menu, scroll through the parameters,
and enter the necessary information. To enter the information, use the UP
and DOWN keys to increment or decrement the digit, and the ENTER key
to shift the flashing digit to the next position, once you have completed
entering the value required pressing the ENTER button again will save the
value.
When you have finished, press CANCEL to go back to the previous level.
When you have reached the top level, then the IMP+
IMP+IMP+
IMP+ will ask for
confirmation before allowing you to go back into run mode. This is done by
pressing ENTER at the display prompt.
Parameter Defaults
Factory Defaults
Factory Defaults
When first installing the IMP+
IMP+IMP+
IMP+, or subsequently moving or using the unit on
a new application, before proceeding to program the unit for its intended
application it is recommended that you ensure that all parameters are at their
default values by completing a Factory Defaults P930, as described in
Chapter 5 Parameter Guide.
When you first switch the IMP+
IMP+IMP+
IMP+ on, it will be reading the distance from the
face of the transducer to the material surface. It will be indicating in metres,
as shown on the display. All relays are set OFF.
TIP
In some applications it is simplest to empty the
vessel, take a reading from the Imp for
distance and then setup the empty level to this
figure.
Once you are satisfied with the installation, and the IMP+
IMP+IMP+
IMP+ is reading what
you would expect in terms of distance from the face of the transducer to the
material level, then you can proceed with programming, for the intended
application. It is sensible to program all of the required parameters at the
same time. The system will be then set-up.
Note that the span is automatically calculated from the empty level, so the
empty level should be entered first.
Page 18
Chapter 4 Getting Results With Your IMP+
This chapter explains how to undertake the various functions of your IMP+
IMP+IMP+
IMP+.
Where specific parameters are used, consult Parameter Guide in Chapter 5.
Setting up Your Application
Empty Distance
Empty Distance (P105) is the distance from the face of the transducer to
the material at the bottom of the vessel.
Span
Span (P106) is the distance from the empty level (0% full) to span (100%
full).
Near and Far Blanking
Near blanking (P107) is the distance from the face of the transducer that
the Imp will not record a level nearer than. A typical reason to increase this
from the default value would be if you wish to ignore close in obstructions.
Far blanking (P108) is the distance (as a percentage of empty level) beyond
the empty level that the Imp will read, the default is plus 20% of empty
level. If you wish to monitor further than the empty level, then increase this
figure, so that the empty level plus the far blanking figure (as % of empty
level) is greater than the surface being measured, within the capability of the
transducer being used.
Using the 4-20 mA Output
The mA output can be used to monitor remotely what the IMP+
IMP+IMP+
IMP+ is showing,
so it can be displayed remotely, integrated into a PLC, or used to generate a
record using a chart recorder or similar.
By default, the IMP+
IMP+IMP+
IMP+ will provide a 4-20 mA output that represents what is
displayed on the Imp, but these parameters can be overwritten as follows.
By default, the 4-20 mA will represent the empty level (4mA) and 100% of
the operational span (20mA), but you may wish to only represent a section
of the operational span. For example, the application may have an
operational span of 6 metres, but you may only wish to represent empty
level to 5 metres. If so, change P834 (Low Value) to 0, and P835 (High
Value) to 5.0.
Page19
If the device connected to the mA output is out of calibration, and cannot be
calibrated, then the low and high current levels can be trimmed by altering
P838 (Low Trim) and P839 (High Trim). To do this, simply enter the
value that ensures that 4 mA or 20 mA respectively are shown on the remote
device. You can use the left/right menu keys to alter the value until the
correct reading is shown on the remote device, rather than typing in a value.
Using the Relays
All relay related parameters are prefixed with a 2** .
The second digit of the three figure parameter number denotes the relay
number as follows:
2 1* parameters for Relay 1
22* parameters for Relay 2
The third digit selects specific parameters for the setting up of the relays,
which can be selected individually and results in the following parameter
numbers for each relay.
Relay 1 210 to 218
Relay 2 220 to 228
Each relay can be configured in any of the options shown below, and usually
has two associated set-point values with it (e.g. level) for ON and OFF.
Note
When relays are programmed to act as Level Alarms relay setpoints are set
in relation to the level of the material in the vessel, irrespective of the setting
of the mode of operation (P100).
You first need to decide which relays are to be used as alarms. The first
parameter for each relay determines the type the relay will be (i.e. not in
use, alarm or control.), and what the further relay parameters, applicable to
your selection, represent. Each of these types will now be described.
Page 20
There are three types that each relay, individually, can be set to, for
example, consider Relay 1, you can select parameter P210 from the
following options:
0 = Not in Use relay will remain in the de-energised condition.
1=Alarm: relay will de-energise to set the alarm “ON”.
2=Control relay will energise to set the control “ON”.
Alarm Relay Set-up
The alarm relays are de-energised to turn the alarms “ON”, and energised to
turn the alarms “OFF”. In this way, loss of power will ensure that the alarm
is activated.
To set an alarm relay, set the first parameter for the relay to equal 1
E.g. Setting Relay 1 for alarm purposes P210 = 1
Setting Relay 2 for alarm purposes P220 = 1
The second parameter for each relay determines the function of the alarm
relay, using the example of Relay 1, the alarm function can be selected
from the options available in parameter P211.
For full details of all available alarm options please refer to P211, 221 Relay
Function… If P210, 220 = 1(Alarm) tables in Chapter 5.
The third parameter, and the fourth parameter for each relay set the
Alarm “ON” and “OFF” points. For a high alarm then set “ON” higher
than “OFF”. For low alarm then set “ON” lower than “OFF”. Using the
example of Relay 1 P213 and P214 set the “ON” and “OFF” points.
For example using Relay 1
High Alarm Low Alarm
P213 “ON” Setpoint P213 “ON” Setpoint
Higher than Lower than
P214 “OFF” Setpoint P214 “OFF” Setpoint
Page21
Control Relay Set-up
The control relays are energised to turn the control “ON” (start process
function), and de-energised to turn the control “OFF” (stop process
function). In this way, loss of power will ensure that the pumps are turned
“OFF”.
To set a control relay, set the first parameter for the relay to equal 2 (for
control).
E.g. Setting Relay 1 for control purposes P210 = 2
Setting Relay 2 for control purposes P220 = 2
The second parameter for each relay determines the function of the control
relay, using the example of Relay 1, the control function can be selected
from the options available in parameter P211.
For full details of all available alarm options please refer to P211, 221 Relay
Function… If P210, 220 = 2(control) tables in Chapter 5.
The third parameter and fourth parameter are set to determine the switch
points for the control relay. The control functions are started and stopped at
the “ON” and “OFF” setpoints. To set a control down function (reduce
level) then set “ON” higher than “OFF”. To set a control up function
(increase level) then set “ON” lower than “OFF”.
For example using Relay 1
Control Down Control Up
P213 “ON” Setpoint P213 “ON” Setpoint
Higher than Lower than
P214 “OFF” Setpoint P214 “OFF” Setpoint
Loss of Echo Set-up
When a relay is assigned to Loss of Echo (LOE) or fault condition, it will be
set as an alarm relay which will be de-energised to turn the alarm (LOE)
“ON”, and energise to turn the alarm (LOE) “OFF”. In this way, loss of
power will ensure that the alarm is activated.
To set an alarm relay, set the first parameter for the relay to equal 1
E.g. Setting Relay 1 for Alarm purposes P210 = 4
When a relay is assigned to LOE no further parameters are required.
Page 22
Other Relay Parameters
Fail-safe Mode
Your IMP+
IMP+IMP+
IMP+ has a general fail-safe parameter P808. This parameter will
determine what state (level) both the display and the relays will assume in
the case of a fault condition (Loss Of Echo).
The fail-safe values for P808 are as follows: 1= Hold last known value,
2= Fail High, 3= Fail Low.
Setting Security Passcodes
A passcode is used to switch the IMP+
IMP+IMP+
IMP+ from Run Mode into Program
Mode.
You can set a new passcode to prevent anyone changing any of your settings
within your IMP+
IMP+IMP+
IMP+. The default passcode is 1997, but this may be changed as
follows.
Additional Information
The passcode is also used for remote access using the RS232, so if this is
being used, be sure to ensure any additional equipment using this feature is
changed accordingly.
Using A Passcode
If you don’t want to use a passcode, you can disable it as follows. First,
enter Program Mode and go to the SyS1 (System) menu. Select P921
which is the passcode enable parameter.
As shown on the display, setting the passcode enable to ‘0’ will disable it,
or ‘1’ will enable the use of passcode.
Additional Information
If the use of a passcode has been disabled, then you can move straight into
Program Mode from Run Mode by pressing the ESC and ENTER button
simultaneously.
Page23
Changing The Passcode
You can set the passcode to any number from 0000 to 9999. To do this,
enter Program Mode and go to SyS1 (System) menu. Select P922 which is
the Passcode parameter which can be changed as required.
Resetting Factory Defaults
If you need to restore parameters to their original factory settings, then enter
Program Mode go to the SyS1 (System) menu and ENTER. Using the UP
and DOWN buttons, go to parameter P930, and ENTER, P930 is the
factory defaults parameter, change the value to 1 and ENTER , all
parameters, with the exception of the mA trims, will be restored to the
factory settings (including the DATEM trace) and on completion Stor
(Store) will be displayed after which you can ESC out of this parameter and
continue programming the IMP+
IMP+IMP+
IMP+ for the required application.
Checking the Information Specific to your IMP+
IMP+IMP+
IMP+
There are some parameters dedicated to each individual IMP+
IMP+IMP+
IMP+, such as the
software revision and the units serial number.
Checking the Software Revision and Serial Number
If you need to identify the serial number of the unit or the current level of
software in your IMP+
IMP+IMP+
IMP+, whilst in Run Mode press the ESC button and the
serial number along with the software revision will be displayed.
Alternatively enter Program Mode and select SyS1 (System) menu and
ENTER. Select parameter P926 to view the identity of the current
software revision or P928 for the serial number of the unit.
Using the RS232 Serial Interface
The RS232 serial interface is used to communicate between the IMP+
IMP+IMP+
IMP+, and a
PC using the optinal Pulsar IMP PC software, this software is used to obtain
information from the IMP+
IMP+IMP+
IMP+ so that echo traces can be viewed, parameters can
be uploaded, downloaded and saved.
To do so, the settings for communications control are set as follows and
cannot be changed: baud rate 19,200, 8 data bits, no parity, 1 stop bits.
Connection between the IMP
IMPIMP
IMP++++ and the PC is made via RJ11 connector
located under the lid of the IMP+
IMP+IMP+
IMP+.
Page 24
Note
When IMP+
IMP+IMP+
IMP+ is wired as a 2 wire device connecting to the RS232 RJ11 port
will cause the IMP+
IMP+IMP+
IMP+ to draw 20mA, this is necessary to ensure correct
operation of the RS232.
Page25
Chapter 5 Parameter Guide
Parameter Listing
This chapter describes all of the parameters contained within the IMP+
IMP+IMP+
IMP+.
Application (APP) Menu
P100 Mode of Operation
This parameter sets the mode of operation, when in run mode, and can be set
to one of the following:
Option Description
1= Distance (Default)
Display shows the distance from the
transducer face to the surface.
2= Level Display shows how full the vessel is.
3= Space Display shows how empty a vessel is.
4= Volume
Display shows volume of material in the
vessel
P104 Measurement Units
This parameter sets the units you want to use for programming and display
Option Description
1 = metres All units of measure are METRES
2 = cm All units of measure are CENTIMETRES
3 = mm All units of measure are MILLIMETRES
4 = feet All units of measure are FEET
5 = inches All units of measure are INCHES
P105 Empty Level
This parameter is to be set to the maximum distance from the face of the
transducer to the empty point, in P104 Measurement Units. Note this value
affects span as well, so should be set before span. Default: IMP 3 = 3.00m
(9.84 feet), IMP 6 = 6.00m (19.69 feet) and IMP 10 = 10.00m (32.81 feet).
Page 26
P106 Span
This parameter should be set to the maximum distance from the Empty
Level (P105) to the maximum material level. It is automatically set to be
equal to the Empty Level (P105) less the Near Blanking distance (P107),
when you set the empty level. Default IMP 3 = 2.80m (9.19 feet), IMP 6 =
5.70m (18.70 feet) and IMP 10 = 9.70m (31.82 feet).
P107 Near Blanking Distance
This parameter is the distance from the face of the transducer that is not
measurable, and is pre-set to the minimum value dependant on the version
of IMP+
IMP+IMP+
IMP+ being used. It should not be set to less than this figure, but can be
increased.
IMP+
IMP+IMP+
IMP+
Ver
s
ion
Near Blanking Distance
IMP 3 metre Default Blanking Distance = 0.2m (0.66 feet)
IMP 6 metre Default Blanking Distance = 0.3m (0.98 feet)
IMP 10 metre Default Blanking Distance = 0.3m (0.98 feet)
P108 Far Blanking Distance
This is the distance (as a percentage of empty level) beyond the empty
point that the unit will be able to measure, and the default is pre-set to 10%
of the empty level.
If the surface being monitored can extend beyond the Empty Level (P105)
then the far blanking distance can be increased to a maximum of 100% of
empty level.
This parameter is always entered as a % of empty level.
Page27
Relay (rL) Menu
P210 (Relay 1), P220 (Relay 2) - Relay Type
This parameter defines what type each relay should be, see the table below
for available options.
Option Description
0=
Not in Use
(Default)
Relay not programmed
.
1= Alarm
Relay is programmed as an alarm relay,
which will de-energise ON, and energise
OFF. This will ensure an alarm is raised if
the power fails to the unit.
2 = Control
Relay is programmed as a control relay,
which will energise ON, and de-energise
OFF.
Alarms
P210 (Relay 1), P220 (Relay 2) =1 (Alarm)
P211 (RL1), P221 (RL2) - Relay Function
This parameter defines what function the alarm will respond to as follows.
Option Description
0= Off (Default)
Relay will not operate.
1= Level
Alarm is based on the level in the vessel, and the
type of level alarm (P212, 222) and two setpoints
must be set (P213, 223 & P214, 224). Setpoints are
entered in Display Units or % of span as referenced
to Empty Level *.
4= Loss of Echo
Alarm is raised if the Failsafe Timer (P809)
expires. No setpoints are required.
Page 28
P213 (Relay 1), P223 (Relay 2) - Relay “ON” Setpoint
This parameter determines the “ON” point for the alarm and should be set as
follows, in Measurement Units P104
High Alarm Low Alarm
P213/P223 “ON” Setpoint P213/P223 “ON” Setpoint
Higher than Lower than
P214/P224 “OFF” Setpoint P214/P224 “OFF” Setpoint
P214 (Relay 1), P224 (Relay 2) - Relay “OFF” Setpoint
This parameter determines the “OFF” point for the alarm and should be set as
follows, in Measurement Units P104
High Alarm Low Alarm
P214/ P224 “OFF” Setpoint P214/ P224 “OFF” Setpoint
Lower than Higher than
P213/P223 “ON” Setpoint P213/P223 “ON” Setpoint
LOE (Loss Of Echo))
No setpoints are required when relays are used as LOE (Loss Of Echo)
Control
P210 (Relay 1), P220 (Relay 2) =2 (Control)
P211 (Relay 1), P221 (Relay 2) - Relay Function,
This parameter defines whether the general control relay function is
currently “ON” or “OFF”.
General Control Description
0= Off (Default)
Relay is always de-energised.
1= On
Control is based on the level in the vessel. All
general controls are used to assist each other (run at
the same time) and each general control has its own
“ON” and “OFF” setpoints.
Page29
P213 (Relay 1), P223 (Relay 2) - Relay “ON” Setpoint
This parameter determines the “ON” point for the control relay and should be
set as follows, in Measurement Units P104
Control Down Control Up
P213/P223 “ON” Setpoint P213/P223 “ON” Setpoint
Higher than Lower than
P214/P224 “OFF” Setpoint P214/P224 “OFF” Setpoint
P214 (Relay 1), P224 (Relay 2) - Relay “OFF” Setpoint
This parameter determines the “OFF” point for the control relay and should be
set as follows, in Measurement Units P104
Control Down Control Up
P214/ P224 “OFF” Setpoint P214/ P224 “OFF” Setpoint
Lower than Higher than
P213/P223 “ON” Setpoint P213/P223 “ON” Setpoint
Page 30
Volume (UoL) Menu
P600 Vessel Shape
This parameter determines which vessel shape is used when utilising
“Volume Conversion”.
The choices are as shown in the table below, along with the dimensions that
are required to be entered (P601-P603).
Vessel Shape P600 Value
Dimensions
Required
P600=0 Cylindrical
Flat base (Default)
Cylinder diameter
P600=1=Rectangular
Flat base
Width and Breadth
P600=2 Cylindrical
Cone base
Cylinder diameter
and height of
bottom
P600=3 Rectangular
Pyramid base
Width and Breadth
of rectangular
section and height
of bottom
P600=4 Cylindrical
Parabola base
Cylinder diameter
and height of
bottom
P600=5 Cylindrical
Half-sphere base
Cylinder Diameter
Page31
Vessel Shape P600 Value
Dimensions
Required
P600=6 Cylindrical
Flat sloped base
Cylinder diameter
and height of
bottom
P600=7 Rectangular
Flat sloped base
Width and Breadth
of rectangular
section and height
of bottom
P600=8 Horizontal
cylinder with flat ends
Cylinder diameter
and tank length
P600=9 Horizontal
cylinder with
parabolic ends
Cylinder diameter,
length of one end
section, and tank
length
P600=10 Sphere Sphere diameter
P600=11 Universal
Linear
No dimensions
required, level and
volume breakpoints
used.
Entered via IMP
PC
P600=12 Universal
Curved
No dimensions
required, level and
volume breakpoints
used.
Entered via IMP
PC
Page 32
P601-P603 Vessel Dimensions
These three parameters are used to enter the dimension required to calculate
the volume. The dimensions required are as shown below.
Vessel Shape P601 P602 P603
P600=0
Cylindrical Flat base
Cylinder
Diameter
P600=1
Rectangular Flat base
Width of
rectangle
Breadth of
rectangle
P600=2
Cylindrical Cone base
Height of
base
Cylinder
Diameter
P600=3
Rectangular Pyramid base
Height of
base
Width of
rectangle
Breadth of
rectangle
P600=4
Cylindrical Parabola base
Height of
base
Cylinder
Diameter
P600=5
Cylindrical Half-sphere base
Cylinder
Diameter
P600=6
Cylindrical Flat sloped base
Height of
base
Cylinder
Diameter
P600=7
Rectangular Flat sloped base
Height of
base
Width of
rectangle
Breadth of
rectangle
P600=8
Horizontal cylinder with flat
ends
Length of
Cylinder
Cylinder
Diameter
P600=9
Horizontal cylinder with
parabolic ends
Length of
Cylinder
Cylinder
Diameter
Length of
one end
section
P600=10
Sphere
Sphere
Diameter
P604 Calculated Volume
This parameter displays the maximum volume that has been calculated by
the IMP+
IMP+IMP+
IMP+ and is a Read Only parameter. The volume displayed will be
shown in cubic meters and is the total volume available between empty
level (P105) and 100% of span (P106).
Page33
P605 Volume Units
This parameter determines the units that will be used in calculating volume
conversion. It is used in conjunction with P607 (maximum volume), please
note that there is no provision for the volume units descriptor to be shown
on the display.
The choices are:
Option Description
0 = No Units Volume will be totalised with no units
1 = Tons Volume will be totalised in Tons
2 = Tonnes Volume will be totalised in Tonnes
3 = Cubic metres Volume will be totalised in cubic metres
4 = Litres Volume will be totalised in litres
5 = UK Gallons Volume will be totalised in UK Gallons
6 = US Gallons Volume will be totalised in US Gallons
7 = Cubic feet Volume will be totalised in cubic feet
8 = Barrels Volume will be totalised in barrels
P606 Correction Factor
This parameter is used to enter a correction factor, when required, such as
the specific gravity of the material so that the volume calculated is relative
to the actual amount of material that can be contained between empty level
(P105) and 100% of span (P106). Default = 1
P607 Max Volume
This parameter displays the actual maximum volume that has been
calculated by the IMP+
IMP+IMP+
IMP+, i.e. P604 Calculated Volume x P606 Correction
Factor, and is a Read Only parameter. The volume displayed will be shown
in P605 Volume Units and is the total volume available between empty
level (P105) and 100% of span (P106).
Page 34
Display (DiSP) Menu
P800 Display Units
This parameter determines whether the reading displayed is in
Measurement Units (P104), or as a percentage of span.
Option Description
1 = Measured (Default) Display is in Measurement Units (P104)
2 = Percentage Display is in percentage of span.
P801 Decimal Places
This parameter determines the number of decimal places on the reading
during run mode.
Minimum = 0 (No decimal places), Maximum 3 = (3 decimal Places)
Default = 2
P808 Fail-safe Mode
By default, if a fail-safe condition occurs, then the display, relays and the
mA output are held at their last known values until a valid reading is
obtained.
If required, then you can change this so that the unit goes to high (100% of
span), or low (empty) as follows:
Option Description
1 = Known (Default) Remain at the last known value
2 = High Will fail to the high value (100% of Span).
3= Low Will fail to the low value (empty)
P840 mA Output Fail-safe
P809 Fail-safe Time
In the event of a fail-safe condition occurring the fail safe timer determines
the time before fail-safe mode is activated. Default = 2.00 mins
If the timer activates, the unit goes into fail-safe, as determined by P808,
(Display and P840 (mA Output). When this happens, you will see the
message “LOE!” on the display.
When a valid measurement is obtained then the display, relays and mA
output will be restored and the timer is reset.
Page35
mA Output (LOOP) Menu
P834 mA Low Level
This parameter sets, in Measurement Units (P104), the value of ‘level’,
‘distance’ or ‘space’, depending on the selected Mode of Operation (P100),
at which 4mA will occur.
P835 mA High Level
This parameter sets, in Measurement Units (P104), the value of ‘level’,
‘distance’ or ‘space’, depending on the selected Mode of Operation
(P100), at which 20 mA output will occur.
P838 mA Low Trim
If the device you are connected to is not calibrated, and not showing the low
value, then you can trim it using this parameter. You can either type in the
offset directly, or use the arrow keys to move the output up and down until
you get the expected result on the device that is connected.
P839 mA High Trim
If the device you are connected to is not calibrated, and not showing the
high value, then you can trim it using this parameter. You can either type in
the offset directly, or use the arrow keys to move the output up and down
until you get the expected result on the device that is connected.
P840 mA Fail-safe Mode
This parameter determines what happens to the mA output in the event of
the unit going into fail-safe mode. The default is to do the same as the
system fail-safe (P808), but this can be overridden to force the mA output
to an independent fail-safe mode as follows:
Option Description
0 = Default mA output will fail as per P808.
1 = Hold mA output will retain its last known value.
2 = Low mA output will fail to its low condition. 3.5mA
3 = High mA output will fail to its high condition. 22mA
Page 36
P842 Voltage Output
This parameter will determine the range of the voltage output. The voltage
output will automatically be scaled to represent the Span P106 where
0volts represents 0% (empty) and maximum voltage 5 or 10 volts,
depending on range selected, will represent 100% (full).
Option Description
0 = 5 volts Voltage output range will be 0 - 5volts.
1 = 10 volts Voltage output range will be 0 - 10volts.
Additional Information
In the event of a failsafe condition occurring, the voltage output will fail
in accordance with the Failsafe Mode P808
Compensation (CoP) Menu
P851 Measurement Offset
The value of this parameter is added to the measured distance, in
Measurement Units (P104).
This Offset will be added to the level, as derieved from the transducer, and
will affect everything including the reading on the display, the relay
setpoints and the mA output.
P852 Temperature Source
Default = 1
This parameter determines the source of the temperature measurement. By
default it is set to internal (transducer) (P852=1), which will automatically
detect the temperature from the transducer. If for any reason, no temperature
input is received, then the Fixed Temp value is used, as set by P854.
The temperature source can be specifically set as follows:
Option Description
1 = Internal (Default)
Always uses temperature reading from
transducer.
3 = Fixed Always uses fixed temperature (P854)
Page37
P854 Fixed Temperature
This parameter sets the temperature, in degrees centigrade to be used if
P852 (Temperature Source) =3. Default = 20oC
P860 Sound Velocity
This option allows for the velocity of sound to be changed according to the
atmosphere the transducer is operating in. By default the velocity is set for
342.72m/sec which is the speed of sound travelling in air at a temperature of
20oC.
The table below gives details of the velocity of sound in various gaseous
atmospheres In all cases the velocity indicated is that in a 100% gaseous
atmosphere at 0oC. In atmospheres less than 100% it may be necessary to
check the level indicated at near empty and near full and compare with the
actual level, several times, then adjust the Sound Velocity accordingly to
obtain an accurately displayed reading.
Gas
Sound V
elocity
Chlorine
206 m/sec
Argon
308 m/sec
Oxygen
316 m/sec
Air 331.5 m/sec
Ammonia
415 m/sec
Methane
430 m/sec
Helium
435 m/sec
Neon
965 m/sec
P645 Vapour Temperature Compensation
The sound velocity in air increases or decreases at a uniform rate of
60cm/sec. per oC, however in atmospheres other than air it will change at a
different rate.
This option allows the rate of change in cm/sec. per oC to be set according to
the atmosphere and temperature present. The level indicated, should be
compared with the actual level, several times, then Vapour Temperature
Compensation adjusted accordingly, to obtain an accurately displayed
reading. Default = 60 cm/sec. per oC
Page 38
Stability (StA) Menu
Damping
Damping is used to damp the display, to enable it to keep up with the
process but ignore minor surface fluctuations.
P870 Fill Damping
This parameter determines the maximum rate at which the unit will respond
to an increase in level. It should be set slightly higher than the maximum
vessel fill rate. Default = 10.000 metres/minute (32.81 feet/minute)
P871 Empty Damping
This parameter determines the maximum rate at which the unit will respond
to a decrease in level. It should be set slightly higher than the maximum
vessel empty rate. Default = 10.000 metres/minute (32.81 feet/minute)
System (SyS1) Menu
The following three parameters do not affect how the unit performs, but details,
contained in them, may be required, by Pulsar, when making technical
enquiries.
P921 Enable Code
Enables the passcode (P922), which means the passcode must be entered
to go into program mode. If disabled (set to 0), then no passcode is
required, and pressing ESC and ENTER button simultaneously will allow
entry into the program mode.
P922 Passcode
This is the passcode that must be used to enter program mode. The default
is 1997, but this can be changed to another value.
P926 Software Revision
This parameter will display the current software revision.
P928 Serial Number
This parameter will display the serial number of the unit.
Page39
P930 Factory Defaults
This parameter resets all parameter values to the original Factory Set values
that were installed when the unit was tested, before despatch to you.
To reset parameters, enter 1 and press ENTER
ENTERENTER
ENTER, all parameters, with the
exception of the mA trims, will be restored to the factory settings (including
the DATEM trace) and on completion Stor (Store) will be displayed after
which you can ESC out of this parameter and continue programming the
IMP+
IMP+IMP+
IMP+ for the required application.
Test (tESt) Menu
P991 Hard Test
When this parameter is selected, the unit will test the following in turn.
• Relays. Press the UP button for Relay 1 and the DOWN for Relay
2, the relay will change state each time the key is pressed. If you
press any other key, other than a valid relay number, then the test
will end.
• Display. All the segments on the LCD and the backlight are lit up,
so you can see if they all work. Press the ENTER
ENTERENTER
ENTER button, to end the
test.
• Keys. You should press each button, to confirm it works, with a
counter showing how many more buttons you have to press. Press
ESC last, as this will show if all keys were pressed or not. If they
were not, then an error message is displayed.
P992 mA Out Test
This parameter will allow you to force a specified current on the mA output,
to test the equipment that it is connected to, and to make sure the unit is
working correctly. The figure you enter will be generated by the mA output.
Page 40
Chapter 6 Troubleshooting
This section describes many common symptoms, with suggestions as to
what to do.
Symptom
What to Do
Display blank, transducer not
firing.
Check power supply
Display shows “L0E”.
No valid echo being received and unit
has gone into fault condition. Check
material level is not out of range,
sensor is perpendicular to material
surface.
Incorrect reading being
displayed for current level.
Measure actual distance from
transducer face to surface of material.
Enter Program Mode and access SyS1
menu, go to P21and press ENTER
type in the measured distance, press
ENTER, wait until “Stor” is
displayed and return to Run Mode,
display should now update to correct
reading.
Material level is consistently
incorrect by the same amount.
Check empty level (P105) correctly
entered.
Page41
Parameter Record
APPLICATION (APP) MENU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P100 Mode 1 = Dist.
P104 Measurement Units
Model
Dependant
P105 Empty Level
Model
Dependant
P106 Span
Model Dependant
P107 Near Blanking
Model Dependant
P108 Far Blanking 10.0%
RELAYS (rL) MENU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P210 Relay 1 Type 0 = Not in Use
P211 Relay 1 Function 0 = Off
P213 Relay 1 On point 0.000
P214 Relay 1 Off point 0.000
Relay 2
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P220 Relay 2 Type 0 = Not in Use
P221 Relay 2 Function 0 = Off
P223 Relay 2 On point 0.000
P224 Relay 2 Off point 0.000
VOLUME (UoL) MENU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P600 Vessel Shape 0
P601 Vessel Dimension 1 0.00
P602 Vessel Dimension 2 0.00
P603 Vessel Dimension 3 0.00
P604 Calculated Volume Read Only
P605 Volume Units
Model Dependant
P606 Correction Factor 1
P607 Max Volume Read Only
DISPLAY (DisP) ME
NU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P800 Display Units 1 = measured
P801 Decimal Places 2
P808 Fail Mode 1 =
Known
P809 Fail Time 2.0
mins
mA OUTPUT (L
OOP) MENU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P834 Low Level 0.0
00
P835 High Level
Model Dependant
P838 Low Trim 0.0
0 mA
P839 High Trim 0.0
0 mA
P840 Fail Mode 0 =
Default
P842 Voltage Out range 1 = 10volts
COMPENSATION (C
oP) MENU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P851 Measurement Offset 0.000
P852 Temperature Source 1 = Automatic
P854 Fixed Temperature 20.00 Deg. C
P860 Sound Velocity 342.72 m/sec
P645 Vapour Temp. Comp. 60cm/sec per oC
STABILITY (S
tA) Menu
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P870 Fill Damping
Model Dependant
P871 Empty Damping
Model Dependant
SYSTEM (SyS1) ME
NU
Parameter Details Entered Values
No. Description Default 1 2 3 4 5
P921 Enable Code 1 = Yes
P922 Passcode 1997
P926 Software Revision Read Only
P928 Serial Number Read Only
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