Fluidwell F053-U User manual

F053-U
PRESSURE MONITOR
WITH HIGH / LOW PRESSURE ALARMS
Signal input sensor: 0-10V.
Alarm output: one pressure alarm.
Options: Intrinsically Safe.

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SAFETY INSTRUCTIONS
Any responsibility is lapsed if the instructions and procedures as described in this manual
are not followed.
LIFE SUPPORT APPLICATIONS: The F053-U is not designed for use in life support
appliances, devices, or systems where malfunction of the product can reasonably be
expected to result in a personal injury. Customers using or selling these products for use
in such applications do so at their own risk and agree to fully indemnify the manufacturer
and supplier for any damages resulting from such improper use or sale.
Electro static discharge does inflict irreparable damage to electronics! Before installing or
opening the unit, the installer has to discharge himself by touching a well-grounded object.
This unit must be installed in accordance with the EMC guidelines (Electro Magnetic
Compatibility).
Do connect a proper grounding to the aluminum casing as indicated if the F053-U has been
supplied with the 115-230V AC power-supply type PM. The green / yellow wire between the
back-casing and removable terminal-block may never be removed.
Intrinsically Safe applications: follow the instructions as mentioned in Chapter 5 and
consult “Fluidwell F0..-..-XI - Documentation for Intrinsic Safety”.
DISPOSAL
At the end of its life this product should be disposed of according to local regulations regarding
waste electronic equipment. If a battery is present in this product it should be disposed of
separately. The separate collection and recycling of your waste equipment will help to conserve
natural resources and ensure that it is recycled in a manner that protects the environment.
SAFETY RULES AND PRECAUTIONARY MEASURES
The manufacturer accepts no responsibility whatsoever if the following safety rules and
precautions instructions and the procedures as described in this manual are not followed.
Modifications of the F053-U implemented without preceding written consent from the
manufacturer, will result in the immediate termination of product liability and warranty period.
Installation, use, maintenance and servicing of this equipment must be carried out by authorized
technicians.
Check the mains voltage and information on the manufacturer's plate before installing the unit.
Check all connections, settings and technical specifications of the various peripheral devices
with the F053-U supplied.
Open the casing only if all leads are free of potential.
Never touch the electronic components (ESD sensitivity).
Never expose the system to heavier conditions than allowed according to the casing
classification (see manufacture's plate and chapter 4.2.).
If the operator detects errors or dangers, or disagrees with the safety precautions taken, then
inform the owner or principal responsible.
The local labor and safety laws and regulations must be adhered to.

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ABOUT THE OPERATION MANUAL
This operation manual is divided into two main sections:
The daily use of the unit is described in chapter 2 "Operation". These instructions are meant for
users.
The following chapters and appendices are exclusively meant for electricians/technicians. These
provide a detailed description of all software settings and hardware installation guidance.
This operation manual describes the standard unit as well as most of the options available. For
additional information, please contact your supplier.
A hazardous situation may occur if the F053-U is not used for the purpose it was designed for
or is used incorrectly. Please carefully note the information in this operating manual
indicated by the pictograms:
A "warning" indicates actions or procedures which, if not performed correctly, may lead to
personal injury, a safety hazard or damage of the F053-U or connected instruments.
A "caution" indicates actions or procedures which, if not performed correctly, may lead to
personal injury or incorrect functioning of the F053-U or connected instruments.
A "note" indicates actions or procedures which, if not performed correctly, may indirectly
affect operation or may lead to an instrument response which is not planned.
Hardware version : FB03.03.xx
Software version : 03.02.xx
Manual : HF053UEN_v0402_03 Atex_IECEx_CSA_FM
© Copyright 2012 : Fluidwell bv - The Netherlands.
Information in this manual is subject to change without prior notice. The
manufacturer is not responsible for mistakes in this material or for incidental
damage caused as a direct or indirect result of the delivery, performance or
use of this material.
© All rights reserved. No parts of this publication may be reproduced or used
in any form or by any means without written permission of your supplier.

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CONTENTS MANUAL
Safety instructions ........................................................................................................................................... 2
Disposal .................................................................................................................................................... 2
Safety rules and precautionary measures ....................................................................................................... 2
About the operation manual ............................................................................................................................ 3
Contents manual.............................................................................................................................................. 4
1. Introduction ................................................................................................................................. 5
1.1. System description of the F053-U.......................................................................................... 5
2. Operational.................................................................................................................................. 6
2.1. General .................................................................................................................................. 6
2.2. Control panel.......................................................................................................................... 6
2.3. Operator information and functions ....................................................................................... 7
3. Configuration............................................................................................................................... 9
3.1. Introduction ............................................................................................................................ 9
3.2. Programming SETUP-level.................................................................................................... 9
3.2.1. General .................................................................................................................................. 9
3.2.2. Overview functions SETUP level ......................................................................................... 12
3.2.3. Explanation of SETUP-functions.......................................................................................... 12
1 - Pressure .................................................................................................................... 12
2 - Alarm ......................................................................................................................... 13
3 - Display ....................................................................................................................... 14
4 - Power management .................................................................................................. 14
5 - Sensor ....................................................................................................................... 15
6 - Others ........................................................................................................................ 16
4. Installation ................................................................................................................................. 17
4.1. General directions................................................................................................................ 17
4.2. Installation / surrounding conditions .................................................................................... 17
4.3. Dimensions- Enclosure ........................................................................................................ 18
4.4. Installing the hardware......................................................................................................... 20
4.4.1. Introduction .......................................................................................................................... 20
4.4.2. Terminal connectors with power supply - type : PB / PD / PL / PX ..................................... 21
4.4.3. Terminal connectors with power supply - type : PF / PM .................................................... 23
5. Intrinsically safe applications..................................................................................................... 26
5.1. General information and instructions: .................................................................................. 26
5.2. Terminal connectors Intrinsically Safe applications: ............................................................ 27
5.3. Configuration examples Intrinsically Safe applications:....................................................... 28
5.4. Battery replacement instructions.......................................................................................... 29
6. Maintenance.............................................................................................................................. 30
6.1. General directions................................................................................................................ 30
6.2. Repair................................................................................................................................... 30
Appendix A: Technical specification .............................................................................................................. 31
Appendix B: Problem solving......................................................................................................................... 34
Index of this manual....................................................................................................................................... 35
List of figures in this manual .......................................................................................................................... 35

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1. INTRODUCTION
1.1. SYSTEM DESCRIPTION OF THE F053-U
Functions and features
The pressure monitor model F053-U is a microprocessor driven instrument designed to display
pressure as well as the monitoring of the pressure for high / low values.
This product has been designed with a focus on:
ultra-low power consumption to allow long-life battery powered applications (type PB / PC),
intrinsic safety for use in hazardous applications (type XI),
several mounting possibilities with GRP or aluminum enclosures for industrial surroundings,
ability to process all types of sensor signals,
transmitting possibilities with one configurable output.
Sensor input
This manual describes the unit with an analog 0-10V input type from the sensor "-U version". Other
versions are available to process a (0)4-20mA sensor signal.
One sensor with a passive or active 0-10V signal output can be connected to the F053-U. To power
the sensor, several options are available.
Fig. 1: Typical application for the F053-U.
Configuration of the unit
The F053-U has been designed to be implemented in many types of applications. For that reason, a
SETUP-level is available to configure your F053-U according to your specific requirements.
It includes several important features, such as Span, measurement units, display options etc. All
setting are stored in EEPROM memory and will not be lost in the event of power failure. To extend
the battery-life time, please use of the power-management functions as described in chapter 3.2.3.
Display information
The unit has a large transflective LCD with all kinds of symbols and digits to display measuring units,
status information, trend-indication and key-word messages.
Pressure and alarm values are displayed with the large 17mm digits while the smaller 8mm digits
display the measuring unit and alarm messages.
Options
The following options are available: intrinsic safety, mechanical relay or active outputs, power- and
sensor-supply options, panel-mount, wall-mount and weather-proof enclosures, flame proof
enclosure and LED backlight.
Overview typical application F053
alarm output

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2. OPERATIONAL
2.1. GENERAL
The F053-U may only be operated by personnel who are authorized and trained by the
operator of the facility. All instructions in this manual are to be observed.
Take careful notice of the " Safety rules, instructions and precautionary measures " in
the front of this manual.
This chapter describes the daily use of the F053-U. This instruction is meant for users / operators.
2.2. CONTROL PANEL
The following keys are available:
Fig. 2: Control Panel.
Functions of the keys
This key is used to program and save new values or settings.
It is also used to gain access to SETUP-level; please read chapter 3.
This key is used to SELECT the pressure alarm values.
The arrow-key is used to increase a value after PROG has been pressed
or to configure the unit; please read chapter 3.
The arrow-key is used to select a digit after PROG has been pressed or to
configure the unit; please read chapter 3.

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2.3. OPERATOR INFORMATION AND FUNCTIONS
In general, the F053-U will always act at Operator level. The information displayed is dependant
upon the SETUP-settings. The signal generated by the connected sensor is measured by the
F053-U in the background, whichever screen refresh rate setting is chosen. After pressing a key, the
display will be updated very quickly during a 30 second period, after which it will slow-down again.
Fig. 3: Example of display information during process.
For the Operator, the following functions are available:
Display pressure
This is the main display information of the F053-U. After selecting any other information, it will
always return to this main display automatically.
Pressure is displayed on the upper-line of the display and the measuring unit and alarm
messages on the bottom line.
When "-------" is shown, then the value is too high to be displayed. The arrows indicate the
increase/decrease of the pressure trend.
Programming the pressure alarm values
Note: This function might not be accessible due to a configuration setting.
When the SELECT-key is pressed a few times, following pressure alarm values are displayed:
low pressure alarm: enter here 40 Bar for example,
high pressure alarm: enter here 300 Bar for example,
To change the alarm value, the following procedure must be executed:
1) press PROG: the word "PROGRAM" will flash or a pass code will be requested,
2) use to select the digits and to increase that value,
3) confirm the new alarm value by pressing ENTER.
Fig. 4: Example of display information during programming minimum pressure.
When data is altered but ENTER has not been pressed yet, then the alteration can still be
cancelled by waiting for 20 seconds or by pressing ENTER during three seconds: the former
value will be reinstated.
RUN
RUN
LOW BATTERY
SET-UP
A
LARM
PROGRAMREADY

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Pressure alarm
When the actual pressure is outside the allowed range, an alarm message will be displayed
indicating the type of alarm: "LO PRESSURE", "HI PRESSURE".
The alarm is terminated automatically as soon as the pressure is within its range again.
Low-battery alarm
When the battery voltage drops, it must be replaced. At first "low-battery" will flash, but as
soon as it is displayed continuously, the battery MUST be replaced shortly after!
Only original batteries supplied by the manufacturer may be used, else the guarantee and
liability will be terminated. The remaining lifetime after the first moment of indication is
generally several days up to some weeks.
Fig. 5: Example of low-battery alarm.
Range error
As soon as the input value is 5% outside the calibrated measuring range, “ALARM”
will be displayed. Meanwhile, the calibrated value will be displayed.
After pressing the SELECT key, the reason of the alarm will be displayed: “LO RANGE” or
“HI RANGE”.
Alarm 01-03
When "ALARM" is displayed, press the SELECT key to display the reason of the alarm: 1-3.
Please consult Appendix B: problem solving.
RUN
LOW BATTERY

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3. CONFIGURATION
3.1. INTRODUCTION
This and the following chapters are exclusively meant for electricians and non-operators. In these,
an extensive description of all software settings and hardware connections are provided.
Mounting, electrical installation, start-up and maintenance of the instrument may only
be carried out by trained personnel authorized by the operator of the facility. Personnel
must read and understand this Operating Manual before carrying out its instructions.
The F053-U may only be operated by personnel who are authorized and trained by the
operator of the facility. All instructions in this manual are to be observed.
Ensure that the measuring system is correctly wired up according to the wiring
diagrams. The housing may only be opened by trained personnel.
Take careful notice of the " Safety rules, instructions and precautionary measures " in
the front of this manual.
3.2. PROGRAMMING SETUP-LEVEL
3.2.1. GENERAL
Configuration of the F053-U is done at SETUP-level. SETUP-level is reached by pressing the
PROG/ENTER key for 7 seconds; at which time, both arrows will be displayed. In order to return
to the operator level, PROG will have to be pressed for three seconds. Alternatively, if no keys are
pressed for 2 minutes, the unit will exit SETUP automatically.
SETUP can be reached at all times while the F053-U remains fully operational.
Note: A pass code may be required to enter SETUP. Without this pass code access to SETUP is
denied.
To enter SETUP-level:

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Matrix structure SETUP-level:
SCROLLING THROUGH SETUP-LEVEL
Selection of function-group and function:
SETUP is divided into several function groups and functions.
Each function has a unique number, which is displayed below the word "SETUP" at the bottom of
the display. The number is a combination of two figures. The first figure indicates the function-group
and the second figure the sub-function. Additionally, each function is expressed with a keyword.
After selecting a sub-function, the next main function is selected by scrolling through all "active" sub-
functions (e.g. 1, 11, 12, 13, 14, 1, 2, 3, 31 etc.). The “CLEAR” button can be used
to jump a step back if you missed the desired function.

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To change or select a value:
To change a value, use to select the digits and to increase that value.
If the new value is invalid, the increase signor decrease-signwill be displayed while you are
programming.
To select a setting, is used to select in one direction and can be used to select in the other
direction.
When data is altered but ENTER is not pressed, then the alteration can still be cancelled by waiting
for 20 seconds or by pressing ENTER for three seconds: the PROG-procedure will be left
automatically and the former value reinstated.
Note: alterations will only be set after ENTER has been pressed!
To return to OPERATOR-level:
In order to return to the operator level, PROG will have to be pressed for three seconds. Also, when
no keys are pressed for 2 minutes, SETUP will be left automatically.

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3.2.2. OVERVIEW FUNCTIONS SETUP LEVEL
SETUP FUNCTIONS AND VARIABLES
1 PRESSURE
11 UNIT mbar - bar - PSI - mPA - PA - no unit
12 DECIMALS 0 - 1 - 2 - 3 (Ref: displayed value)
13 SPAN 0.000001 - 999,999 unit
14 OFFSET -999,999 to +999,999 unit
2 ALARM
21 PRESSURE ZERO default - no relays - ignore
22 ALARM LOW -999,999 to +999,999 unit
23 ALARM HIGH -999,999 to +999,999 unit
24 DELAY ALARM LOW 0.1 - 999.9 seconds
25 DELAY ALARM HIGH 0.1 - 999.9 seconds
26 ALARM OUTPUT high - low - both - off
3 DISPLAY
31 SET ALARM operator - setup
32 BACKLIGHT (optional) off - green - amber
33 BACKLIGHT ALARM off - on - flash
34 BL. BRIGHTNESS 1 - 5
4 POWER MANAGEMENT
41 LCD UPDATE fast - 1 sec - 3 sec - 15 sec - 30 sec - off
42 BATTERY MODE operational - shelf
5 SENSOR
51 FORMULA interpolation - square root
52 FILTER 00 - 99
53 CUT-OFF 0.0 - 99.9%
54 CALIBRATE LOW default - calibrate - calibrate set
55 CALIBRATE HIGH default - calibrate - calibrate set
6 OTHERS
61 TYPE / MODEL F053-U
62 SOFTWARE VERSION 03.xx.xx
63 SERIAL NO. xxxxxxx
64 PASS CODE 0000 - 9999
65 TAGNUMBER 0000000 - 9999999
3.2.3. EXPLANATION OF SETUP-FUNCTIONS
1 - PRESSURE
MEASUREMENT UNIT
11
SETUP - 11 determines the measurement unit for the displayed pressure
and alarm values.
The following units can be selected:
mbar - bar - PSI - mPA - PA - _ (no unit).
Alteration of the measurement unit will have consequences for operator
and SETUP-level values.
Please note that the Span has to be adapted as well; the calculation is not
done automatically.
DECIMALS
12
This setting determines for pressure and the alarm values the number of
digits following the decimal point. The following can be selected:
00000 - 1111.1 - 2222.22 - 3333.333
Continued next page >>>

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1 - PRESSURE (CONTINUED)
SPAN
13
With the span, the sensor signal is converted to a quantity.
The span for pressure is determined on the basis of the selected
measurement unit at 10V.
The more accurate the span, the more accurate the functioning of the
system will be.
Example Calculating the span for pressure
Let us assume that the sensor generates 10V at a
pressure of 18.95 Bar and the selected unit is "mbar". The
span is 18,950 mbar, Enter for SETUP - 23: "18950".
OFFSET
14
Enter here the "not measured" pressure from where there the sensor
starts to generate a signal, in many cases 0 or 1 Bar.
Also, a negative offset can be entered: do press the middle and right
button simultaneously.
2 - ALARM
With these settings, it is determined how the pressure will be monitored and the functionality of the
transistor / relay output (terminals 7-8) be determined.
PRESSURE ZERO
21
When the signal is the minium value, then it is possible to ignore or
disable the pressure monitoring. The following settings can be selected:
DEFAULT: in case of a low-pressure alarm and zero pressure, it will
switch the alarm output and indicate the alarm on the
display.
NO RELAY: in case of a low-pressure alarm and zero pressure, it
won't switch the alarm output but will indicate the alarm on
the display only.
IGNORE: in case of a low-pressure alarm and zero pressure, it
won't switch the alarm output and nothing will be indicated
on the display.
ALARM VALUE
LOW PRESSURE
22
The low alarm is set with this setting. An alarm will be generated as long
as the pressure lower as this value.
With value 0.0 this function is disabled.
ALARM VALUE
HIGH PRESSURE
23
The high alarm is set with this setting. An alarm will be generated as long
as the pressure higher as this value.
With value 0.0 this function is disabled.
DELAY TIME ALARM
LOW PRESSURE
24
An alarm generated by SETUP 22 “low” can be ignored during X-time
period. If the actual pressure is still incorrect after this delay time, then an
alarm will be generated.
DELAY TIME ALARM
HIGH PRESSURE
25
An alarm generated by SETUP 23 “high” can be ignored during X-time
period. If the actual pressure is still incorrect after this delay time, then an
alarm will be generated.
ALARM OUTPUT
TRANSISTOR / RELAY
26
One transistor or relay output is available to transmit the alarm condition.
Assign with this function the type of alarm to be transmitted:
low pressure alarm, high pressure alarm or both alarms.

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3 - DISPLAY
SET ALARM
31
This function determines if the pressure alarm values can be set at both
Operator level and SETUP-level or SETUP-level only.
If SETUP has been selected, the alarm values are still visible for the
Operator but can not be changed.
The functions below will only effect the optional LED-backlight.
BACKLIGHT
(OPTION)
32
If a LED backlight has been supplied, the color can be selected.
Following selections are available:
OFF - GREEN - AMBER
BACKLIGHT ALARM
(OPTION)
33
In case the F053-U generates a pressure alarm, the backlight can be set
to change to red. Following selections are available:
OFF: during pressure alarm the color is according to setting 32
ON: during pressure alarm the color is red.
FLASH: during pressure alarm the color flashes red and the color
as set with SETUP 43.
BRIGHTNESS
(OPTION)
34
The density of the backlight can be set in following range:
1-5
One is minimum and five is maximum brightness.
4 - POWER MANAGEMENT
When used with the internal battery option, the user can expect reliable measurement over a long
period of time. The F053-U has several smart power management functions to extend the battery life
time significantly. Two of these functions can be set:
LCD NEW
41
The calculation of the display-information influences the power
consumption significantly. When the application does not require a fast
display update, it is strongly advised to select a slow refresh rate.
Please understand that NO information will be lost; the input signal will be
processed and the output signal will be generated in the normal way.
The following can be selected:
Fast - 1 sec - 3 sec - 15 sec - 30 sec - off.
Example battery life-time:
battery life-time with a FAST update: about 3 years.
battery life-time with a 1 sec update: about 5 years.
Note: after a button has been pressed by the operator - the display
refresh rate will always switch to FAST for 30 seconds. When "OFF" is
selected, the display will be switched off after 30 seconds and will be
switched on as soon as a button has been pressed.
BATTERY-MODE
42
The unit has two modes: operational or shelf.
After "shelf" has been selected, the unit can be stored for several years; it
will not process the sensor signal; the display is switched off but all
settings are stored. In this mode, power consumption is extremely low.
To wake up the unit again, press the SELECT-key twice.

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5 - SENSOR
SIGNAL
51
The F053-U can process the analog signal of the sensor in two ways:
Interpolation: the signal is processed linear
P = S x I
Square root: for differential pressure
P = S √I
where:
P = Pressure: the calculated pressure
S = Span: the maximum pressure at 10V.
The span is programmed with setting 13 for
pressure
I = Input: the scaled analog value; in these formulas value 0
(zero) for 0V and value 1 (one) for 10V.
FILTER
52
The analog output signal of a sensor does mirror the actual pressure. This
signal is measured several times a second by the F053-U. The value
measured is a "snap-shot" of the real pressure as it will be fluctuating.
With the help of this digital filter a stable and accurate reading can be
obtained while the filter level can be set to a desired value.
The filter principal is based on three input values: the filter level (01-99),
the last measured analog value and the last average value. The higher
the filter level, the longer the response time on a value change will be.
Below, several filter levels with there response times are indicated:
FILTER VALUE RESPONSE TIME ON STEP CHANGE OF ANALOG VALUE.
TIME IN SECONDS
50%INFLUENCE 75% INFLUENCE 90%INFLUENCE 99%INFLUENCE
01 filter disabled filter disabled filter disabled filter disabled
02 0.3 seconds 0.5 seconds 1.0 seconds 1.8 seconds
03 0.5 seconds 1.0 seconds 1.5 seconds 3 seconds
05 1.0 seconds 1.8 seconds 2.8 seconds 5.3 seconds
10 1.8 seconds 3.5 seconds 5.6 seconds 11 seconds
20 3.5 seconds 7.0 seconds 11 seconds 23 seconds
30 5.3 seconds 10 seconds 17 seconds 34 seconds
50 8.8 seconds 17 seconds 29 seconds 57 seconds
75 13 seconds 26 seconds 43 seconds 86 seconds
99 17 seconds 34 seconds 57 seconds 114 seconds
CUT-OFF
53
To ignore e.g. vibration due to an empty tank, a low-level cut-off can be
set as percentage over the full range of 10V. When the analog value is
less then required with this setting, the signal will be ignored. The cut-off
value can be programmed is the range 0.0 - 99.9%.
Example:
SPAN
(setup 13) REQUIRED CUT-OFF CUT-OFF (setup 53) REQUIRED OUTPUT
450 PSI 25 PSI 25/450 x 100%=5.5% 10V x 5.5% = 0.55V
Continued next page >>>

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5 - SENSOR (CONTINUED)
TUNE MIN / 4MA
54
With this setting it is possible to calibrate the input value for 0V as the
signal from the sensor might not be exact 0.0V at pressure zero. This
function will measure the real output value at pressure zero.
Warning: be very sure that the offered signal is correct
before the calibration is executed as this function has major
influences on the accuracy of the system!
After pressing PROG, three settings can be selected:
CALIBRATE: with this setting, the input will be calibrated with the
actual "0V" value. After pressing enter, CAL SET will be displayed as
soon as the calibration is completed. From that moment, the analog
value must be more than the calibrated value before the signal will be
processed.
DEFAULT: with this setting, the manufactures value is re-installed.
CAL SET: to select the last calibrated value.
TUNE MAX / 20MA
55
With this setting it is possible to calibrate the input value for 10V as the
signal from the sensor might not be exact 10.0 V at maximum pressure.
This function will measure the real output value at maximum pressure.
Warning: be very sure that the offered signal is correct
before the calibration is executed as this function has major
influences on the accuracy of the system!
After pressing PROG, three settings can be selected:
CALIBRATE: with this setting, the input will be calibrated with the
actual "10V" value. After pressing enter, CAL SET will be displayed as
soon as the calibration is completed. From that moment, the analog
value must be less than the calibrated value for a reliable
measurement.
DEFAULT: with this setting, the manufactures value is re-installed.
CAL SET: to select the last calibrated value.
6 - OTHERS
TYPE OF MODEL
61
For support and maintenance it is important to have information about the
characteristics of the F053-U.
Your supplier will ask for this information in the case of a serious
breakdown or to assess the suitability of your model for upgrade
considerations.
VERSION SOFTWARE
62
For support and maintenance it is important to have information about the
characteristics of the F053-U.
Your supplier will ask for this information in the case of a serious
breakdown or to assess the suitability of your model for upgrade
considerations.
SERIAL NUMBER
63
For support and maintenance it is important to have information about the
characteristics of the F053-U.
Your supplier will ask for this information in the case of a serious
breakdown or to assess the suitability of your model for upgrade
considerations.
PASS CODE
64
All SETUP-values can be pass code protected.
This protection is disabled with value 0000 (zero).
Up to and including 4 digits can be programmed, for example 1234.
TAGNUMBER
65
For identification of the unit and communication purposes, a unique tag
number of maximum 7 digits can be entered.

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4. INSTALLATION
4.1. GENERAL DIRECTIONS
Mounting, electrical installation, start-up and maintenance of this instrument may only
be carried out by trained personnel authorized by the operator of the facility. Personnel
must read and understand this Operating Manual before carrying out its instructions.
The F053-U may only be operated by personnel who are authorized and trained by the
operator of the facility. All instructions in this manual are to be observed.
Ensure that the measuring system is correctly wired up according to the wiring
diagrams. Protection against accidental contact is no longer assured when the housing
cover is removed or the panel cabinet has been opened (danger from electrical shock).
The housing may only be opened by trained personnel.
Take careful notice of the " Safety rules, instructions and precautionary measures " at
the front of this manual.
4.2. INSTALLATION / SURROUNDING CONDITIONS
Take the relevant IP classification of the casing into account (see manufactures plate). Even an IP67
(NEMA 4X) casing should NEVER be exposed to strongly varying (weather) conditions.
When panel-mounted, the unit is IP65 (NEMA 4)!
When used in very cold surroundings or varying climatic conditions, take the necessary precautions
against moisture by placing a dry sachet of silica gel, for example, inside the instrument case.
Mount the F053-U on a solid structure to avoid vibrations.

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4.3. DIMENSIONS- ENCLOSURE
Aluminum enclosures:
75 mm (2.95")
130 mm (5.12") 112 mm (4.40")
60 mm (2.36")
120 mm (4.72")
M20 x 1,5
PG9 PG9
30mm 30mm
22,5mm
M20 x 1,5
M16 x 1,5 M16 x 1,5
30mm 30mm
22,50mm
M20 x 1,5
22,5mm
M20 x 1,5 M20 x 1,5
25mm 25mm
22,5mm
1/2"NPT
0.9"
3x 1/2"NPT
0.12" 0.12"
0.9"
HA
HM
HN
HO
HP
HT
HU
6 x M12
12mm 12mm
24mm24mm 36mm
36mm
14mm 17mm
115 mm (4.53”)
98 mm (3.86”)
HB
29.1 mm (1.15”)
31 mm
(1.22”)
HZ
4x M20 x 1,5
15 15
15
HV
2323
16
mm
Fig. 6: Dimensions Aluminum enclosures.

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GRP enclosures:
75 mm (2.95")
130 mm (5.12") 112 mm (4.40")
60 mm (2.36")
120 mm (4.72")
HD
HK
HK back box:
(flat bottom)
HE
HF
HG
HH
D=12mm
12mm12mm
24mm24mm 36mm
36mm
14mm 17mm
22,5mm
30mm 30mm
D=16mm
D=20mm
0.9"
D=22mm (0.866")
22,5mm
25mm 25mm
D=20mm D=20mm
D=16mm
HC
75 mm (2.95") 118 mm (4.65”)
104 mm (4.09”)
HJ
0.9”
0.12” 0.12”
3x D=22mm (0.866”)
115 mm (4.53”)
98 mm (3.86”)
29.1 mm (1.15”)
31 mm
(1.22”)
Fig. 7: Dimensions GRP enclosures.

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4.4. INSTALLING THE HARDWARE
4.4.1. INTRODUCTION
Electro static discharge does inflict irreparable damage to electronics! Before installing
or opening the unit, the installer has to discharge himself by touching a well-grounded
object.
This unit must be installed in accordance with the EMC guidelines (Electro Magnetic
Compatibility).
Do ground the aluminum casing properly as indicated, if the F053-U has been supplied
with the 115-230V AC power-supply type PM. The green / yellow wire between the back-
casing and removable terminal-block may never be removed.
Fig. 8: Grounding aluminum enclosure with option PM 115-230V AC.
FOR INSTALLATION, PAY EMPHATIC ATTENTION TO:
Separate cable glands with effective IP67 (NEMA4X) seals for all wires.
Unused cable entries: ensure that you fit IP67 (NEMA4X) plugs to maintain rating.
A reliable ground connection for both the sensor, and if applicable, for the metal casing. (above)
An effective screened cable for the input signal, and grounding of it’s screen to the “┴“ terminal
or at the sensor itself, whichever is appropriate to the application.