YOKOGAWA Fluidcom S2 User manual

User’s
Manual Chemical Injection
Flow Controller
Model-S2
IM 23C01B01-01EN
IM 23C01B01-01EN
1st Edition

i
IM 23C01B01-01EN
ESSENTIAL INSTRUCTIONS
Read this page before proceeding!
Yokogawa TechInvent AS has designed, manufactured and tested this equipment to meet national and
international standards. This equipment must be installed, operated and maintained according to the
instructions in this manual. In addition, the instructions following this paragraph must be adhered to. Failure
to follow these instructions may cause loss of life, injury on personnel, damage on property, damage to this
equipment, and invalidation of warranty.
NOTE
This manual is part of the product and contains important information. Store this manual in a safe place
close to the instrument so that you can refer to it immediately. Keep this manual until you dispose of the
instrument.
NOTE
If the instructions given in this manual are not understood, contact customer service for clarication.
WARNING
Follow all warnings and instructions marked on and supplied with the equipment.
NOTE
It should not be required to open the equipment enclosure.
Terminal cover in rear component of enclosure must be opened to gain access for connection of power
supply and signal cables.

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IM 23C01B01-01EN
Contents
1. Introduction............................................................................................... 1-1
1.1 Symbols ............................................................................................................. 1-1
1.2 Warranty............................................................................................................. 1-1
1.3 Certication ....................................................................................................... 1-2
1.4 Abbreviations .................................................................................................... 1-2
1.5
Safety instructions (Instructions de sécurité).................................................1-3
1.6 Intended use ...................................................................................................... 1-4
2. Product overview ..................................................................................... 2-1
2.1 Technicalspecications .................................................................................. 2-1
2.2 Connection interfaces ...................................................................................... 2-2
2.3 Display................................................................................................................ 2-2
3. Operation................................................................................................... 3-1
3.1 Device variables................................................................................................ 3-1
3.1.1 Volumetric ow rate............................................................................ 3-2
3.1.2 Set ow .............................................................................................. 3-2
3.1.3 Controller mode ................................................................................. 3-2
3.1.4 System state ...................................................................................... 3-3
3.1.5 Manual mode setting.......................................................................... 3-3
3.1.6 Resettable total .................................................................................. 3-3
3.1.7 Cumulative total ................................................................................. 3-3
3.1.8 Controller stage.................................................................................. 3-3
3.1.9 Inlet temperature................................................................................ 3-3
3.1.10 Outlet temperature............................................................................. 3-3
3.1.11 Heater temperature............................................................................ 3-3
3.1.12 Heater power ..................................................................................... 3-3
3.1.13 Fluid type............................................................................................ 3-3
3.2 Fluid.................................................................................................................... 3-4
3.2.1 Compatible uids ............................................................................... 3-4
3.2.2 Change of uids used ........................................................................ 3-4
3.3 Remote operation by HART ............................................................................. 3-5
3.3.1 HART device variables ...................................................................... 3-6
3.3.2 Multidrop ............................................................................................ 3-6
3.3.3 Protocol conversion ........................................................................... 3-6
3.3.4 Analog output..................................................................................... 3-6
3.4 (Optional)Analoginput(4-20mA)forremoteowset ................................. 3-7
3.5 Local operation ................................................................................................. 3-7
3.5.1 Display main menu owchart............................................................. 3-8
3.5.2 Display service menu owchart ......................................................... 3-9
3.5.3 Display operations ........................................................................... 3-10
3.6 HART Field Communicator............................................................................ 3-14
Chemical Injection Flow Controller
IM 23C01B01-01EN 1st Edition
1st Edition: May 2021 (KP)
All Rights Reserved, Copyright © 2021, Yokogawa Electric Corporation

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4. Installation................................................................................................. 4-1
4.1 Unpacking and preparation ............................................................................. 4-1
4.2 Installation site .................................................................................................. 4-1
4.3 Installation positions ........................................................................................ 4-1
4.4 Installation instructions ................................................................................... 4-1
4.5 Tubing connection ............................................................................................ 4-2
4.6 Earthing.............................................................................................................. 4-2
4.7 Power distribution boards ............................................................................... 4-3
4.8 Wiring ................................................................................................................. 4-3
4.8.1 Cable glands ...................................................................................... 4-4
4.8.2 Terminals overview ............................................................................ 4-4
4.8.3 Wiring of power cable ........................................................................ 4-5
4.8.4 Wiring of signal/control cable............................................................. 4-6
4.9 HART Communicator ..................................................................................... 4-12
5. Commissioning ........................................................................................ 5-1
5.1 Safety.................................................................................................................. 5-1
5.1.1 General .............................................................................................. 5-1
5.1.2 Safe Job Analysis (SJA)..................................................................... 5-1
5.1.3 Personal Protection Equipment (PPE) .............................................. 5-1
5.2 Start-up and system check .............................................................................. 5-2
5.2.1 System start-up.................................................................................. 5-2
5.2.2 Pre-operation check and rst operation start..................................... 5-2
5.3 HART commissioning ...................................................................................... 5-3
5.3.1 Device Descriptor (DD)...................................................................... 5-3
5.3.2 Polling addresses............................................................................... 5-3
6. Maintenance and repair ........................................................................... 6-1
6.1 External maintenance....................................................................................... 6-1
6.2 Internal maintenance........................................................................................ 6-1
6.3 Repair ................................................................................................................. 6-1
7. Troubleshooting ....................................................................................... 7-1
8. Decommissioning / Changing Fluids..................................................... 8-1
8.1 Flushing ............................................................................................................. 8-1
8.2 Shutdown........................................................................................................... 8-1
8.3 Removal ............................................................................................................. 8-2
9. Dismantling and disposal........................................................................ 9-1
9.1 Decontamination and return shipment .......................................................... 9-1
9.2 Disposal ............................................................................................................. 9-1
10. Transport and storage ........................................................................... 10-1
10.1 Lifting and carrying......................................................................................... 10-1
10.2 Transport.......................................................................................................... 10-1
10.3 Storage............................................................................................................. 10-1
APPENDIX A – GA DRAWING .................................................................... AppA-1
APPENDIX B – EX INSTRUCTION MANUAL ............................................ AppB-1
APPENDIX C – EU-TYPE EXAMINATION CERTIFICATE......................... AppC-1
APPENDIX D – EU DECLARATION OF CONFORMITY............................ AppD-1
APPENDIX E – CERTIFICATE OF CONFORMITY......................................AppE-1
Revision Information

<1. Introduction> 1-1
IM 23C01B01-01EN
1. Introduction
This is the user manual for FluidCom Model-S2 (hereafter referred to as FluidCom S2) chemical
injection ow controller. It includes instructions for safe installation, operation and maintenance,
and relevant information about the equipment.
1.1 Symbols
The following safety symbols are used in this manual:
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious
injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury.
It may also be used to alert against unsafe practices.
IMPORTANT
Indicates that operating the hardware or software in this manner may damage it or lead to
system failure.
NOTE
Draws attention to information essential for understanding the operation and features.
1.2 Warranty
FluidCom S2 is delivered with a warranty of one year from the factory.
If a defect for which Yokogawa is responsible occurs in the device during the warranty period,
Yokogawa will repair that defect at its own cost.
If it is believed that the device is defective, please contact us and provide a detailed description of
the problem including when the problem was rst identied.
Please also inform us the model code and serial number of the device. Based on our test results,
we will determine whether the device is to be repaired at Yokogawa’s expense or at the expense
of the customer.

<1. Introduction>1-2
IM 23C01B01-01EN
1.3 Certication
FluidCom S2 is intended for operation in explosive atmospheres and is consequently certied
according to certicate attached “EU-TYPE EXAMINATION CERTIFICATE”.
CAUTION
General Ex compliance information and instructions for safe use is given in the Ex Instruction
Manual found in the attached page.
Follow the instructions to ensure that installation and operation of FluidCom S2 always are
according to the Ex requirements.
1.4 Abbreviations
AI Analog Input
AO Analog Output
ATEX European directive for Ex environments
CCR Central Control Room
DD Device Descriptor
EMC Electromagnetic Compatibility
FW Firmware
GUI Graphical User Interface
HART Highway Addressable Remote Transducer
IECEx International Electrotechnical Commission Explosive
IP Ingress Protection
NON-IS Non-Intrinsically Safe
MWP Maximum Working Pressure
PE Protective Earth
PV Primary Variable
QV Quaternary Variable
RCD Residual Current Device
SV Secondary Variable
TV Tertiary Variable

<1. Introduction> 1-3
IM 23C01B01-01EN
1.5 Safety instructions (Instructions de sécurité)
WARNING
Maximum working pressure is 345 bar (5000 psi).
La pression de service maximale est de 345 bar (5000 psi).
WARNING
Electrical power supply shall be within 230 V AC - 240 V AC 50/60 Hz.
L’alimentation électrique doit être comprise entre 230 V AC - 240 V AC 50/60 Hz.
CAUTION
FluidCom S2 should only be used with uid parameters stored in the control system.
FluidCom S2 ne doit être utilisé qu’avec des uides stockés dans le système de réglage.
CAUTION
FluidCom S2 control loop is NON-IS. keep awareness to this when e.g. using HART Field
communicator.
La boucle de réglage FluidCom S2 n’est pas à sécurité intrinsèque. soyez attentif à cela
lorsque, par exemple, vous utilisez un communicateur de terrain HART.
IMPORTANT
This equipment must not be used in any other applications than intended.
Cet appareil ne doit pas être utilisé pour d’autres applications que celles prévues.

<1. Introduction>1-4
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1.6 Intended use
IMPORTANT
FluidCom S2 is a product that is specically designed to be installed and operate within large-
scale xed installations.
IMPORTANT
Directive 2011/65/EU does not apply to this product and is not part of the CE marking.
IMPORTANT
Consider the intended use and CE marking if the unit is installed for operation inside the
European Economic Area.
WARNING
This product must not be used beyond the intended use.
How to dispose of the batteries:
This is an explanation about the EU Battery Directive. This directive is only valid in the EU.
Batteries are included in this product. Batteries incorporated into this product cannot be
removed by yourself. Dispose of them together with this product.
Battery type: Lithium battery
Notice:
The symbol (see above) means they shall be sorted out and collected as ordained in the EU Battery Directive.
Product Disposal:
The instrument should be disposed of in accordance with local and national legislation/
regulations.

<2. Product overview> 2-1
IM 23C01B01-01EN
2. Product overview
FluidCom S2 chemical injection ow controller includes technology for ow control. Once
installed and put into operation, no planned regular maintenance or manual intervention is
required.
Front Lid Back L
id
Display Housing
C
ontrol Buttons
Figure 2.1 FluidCom S2 overview
2.1 Technicalspecications
Table 2.1
TECHNICAL SPECIFICATION DATA
Maximum working pressure (MWP) 345 bar [5000 psi]
Flow range 0.6 – 30.0 L/hr (0.16 – 7.93 gal/hr)
Ambient temperature range −20°C to +55°C (–4°F to +131°F)
Dimensions Ø219 mm x 353 mm, (Ø8.6” x 13.9”)
Weight 17.5 kg (38.6 lbs)
Ingress protection (IP) IP66
Electrical power supply 230 V AC 50/60 Hz
Power consumption (max) 100 W
Input 4-20 mA DC
Communication protocol HART v.7.1
Note: Depending on the thermal property of chemicals, ow range can be expanded to 0.3 – 60 L/hr (0.08 – 15.85 gal/hr).
IMPORTANT
Flow ranges other than listed in Table 2.1 available upon request.
IMPORTANT
For Ex specications, see Ex Instruction Manual (refer to the attached page).

<2. Product overview>2-2
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2.2 Connection interfaces
Figure 2.2 presents the interfaces relevant for installation and connection of FluidCom S2.
FluidCom S2 is delivered without cable glands, but with blind plugs protecting the threaded hole.
Suitable cable glands must be installed prior to use of FluidCom S2 (ref. section 6.8.1).
Fluid outlet
1/4
" NPT female Terminal cover
Fluid inlet
1/4
" NPT female
Signal cable
Cable Entry M25
(4 - 20 HART)
Earthing point
POWER
Pressure
compensation valve
Cable Entry M25
(230 - 240 V AC)
Figure 2.2 FluidCom S2 rear view w/connection interfaces
2.3 Display
Figure 2.3 shows the front view with the display for local operation of FluidCom S2. See section
3.5 for details regarding local operation.
Display
"Exit" button "Up" button
"
Down" button "Set" button
Figure 2.3 FluidCom S2 front view w/display

<3. Operation> 3-1
IM 23C01B01-01EN
3. Operation
This section contains the information needed to safely operate FluidCom S2. Prior to operation,
read the operational instructions given in the Ex Instruction Manual (the attached page) to ensure
a safe operation.
IMPORTANT
The operational instructions given in the Ex Instruction Manual (the attached page) must be
adhered to at all times.
Operation of FluidCom S2 is either remote by HART protocol by a 4-20 mA input loop, or local by
use of the display. The HART communication protocol is HART v.7.1.
Communication between FluidCom S2 and the central control room (CCR) can be congured as
single-point-to-point or multidrop. A multidrop conguration is available for up to eight units.
Other communication protocols than HART protocol can be used in remote operation if using
a suitable protocol converter. Protocol conversion is available both in single-point-to-point and
multidrop congurations.
Analog single-point-to-point communication is available by use of the 4-20 mA control loop, or by
use of a HART-to-analog converter.
3.1 Device variables
This section presents FluidCom S2 device variables available as “read” or “read/write” variables.
All variables are accessible in local operation, while limited access is available in remote
operation. Table 3.1 gives an overview of the device variables.
Table 3.1
DEVICE VARIABLE READ / WRITE REMOTE LOCAL
Flow rate R X X
Set ow rate R/W X X
Controller mode R/W X
System state R/W X
Manual mode setting R/W X
Resettable total R/W X
Cumulative total R X
Controller stage R X
Fluid temp. inlet R X X
Fluid temp. outlet R X X
Fluid temp. heater R X X
Fluid type R/W X

<3. Operation>3-2
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3.1.1 Volumetricowrate
The ow rate through the valve is continuously controlled by the control system. The ow rate
can be presented in “L/hr” or “kg/hr” (display only). To change ow unit, see section 3.5.2.3.
The integrated ow control function measures the change in uid temperature between the
inlet temperature T1 (°K) and the outlet temperature T2 (°K) across a controlled heater providing
energy I (J/s). Knowing the uid heat capacity CP (J/g°K), the ow rate Q is calculated according
to the following formula:
Q =I
CP (T2- T1)
Instead of uid CP value input, empirical calibration test parameters are used as input to ow
formula during calibration.
NOTE
The ow reported in this device is only valid when a physical ow is present. This means if
ow through the device is completely stopped (i.e., external valves isolated or pump stop), the
device will still report a non-valid ow for a limited time as a result of the remaining heat energy
(T2-T1 left in the isolated uid until this has reached thermal equilibrium.)
3.1.2 Setow
Flow setting to be adjusted by user. This setting is only applicable when unit is in auto mode.
NOTE
When a new ow is set, FluidCom will automatically enter a mode for thermal stabilization for up
to 15 minutes before returning to active ow measurement and controlling mode. Note that the
device need some time after entering control mode until reaching the set ow, this might vary
depending on ow rate and uid properties.
NOTE
When in stabilization mode, the display will ash on “ow,” indicating ow rate measurement not
yet active, and the same value as for “set ow” is shown.
NOTE
When in stabilization mode, the 4-20 mA ow output signal will show the same value as for “set
ow.” HART status bit is available on this signal to identify if ow measurement is active.
3.1.3 Controller mode
Two controller modes are available in the FluidCom S2 system:
• “Auto mode” is the mode intended for normal operation. In this mode, the control system
automatically regulates the ow according to the set ow.
• “Manual mode” is a mode intended for testing only. In this mode, the heater power is
adjusted instead of the set ow (ref. section 3.1.5).
Note that the ow report is not valid in manual mode.

<3. Operation> 3-3
IM 23C01B01-01EN
3.1.4 System state
This variable represents the state of the control system. This is also the “start” and “stop” control
of the system. The system will be in one of the following states:
• “Stopped” – No regulation (no heater power), and consequently the valve is closed.
• “Running” – The system is active and regulates according to the ow setting.
• “Idle” – The default state when the system starts.
• “Warning” – System has stopped (unintentionally) and needs a power cycle or system reset
in the service menu in the local control to restore functionality.
3.1.5 Manual mode setting
The applied heater power is adjusted in a range from 0-100%, where 100% is equivalent to 100 W.
3.1.6 Resettable total
Total volume of uid through valve since last reset.
3.1.7 Cumulative total
Total volume of uid through valve since rst start-up of control system.
3.1.8 Controller stage
In auto mode, the system will be in one of the following regulation stages:
• “Evaluating” – Evaluating system status.
• “Standby” – Regulation on hold.
• “Controlling” – Normal regulation.
• “Stabilizing” – System in stabilization process when set ow is increased/decreased.
3.1.9 Inlet temperature
The measured value of the inlet temperature of the uid.
3.1.10 Outlet temperature
The measured value of the outlet temperature of the uid.
3.1.11 Heater temperature
The measured value of the temperature on heater surface. The control system is programmed to
shut down the heater power if the heater temperature reaches 95°C (203°F).
3.1.12 Heater power
The measured value of the power of heater.

<3. Operation>3-4
IM 23C01B01-01EN
3.2 Fluid
Parameters for up to eight of uids can be stored in the control system. This variable allows for
selecting which of the eight uids to operate.
CAUTION
Use the display and select the applicable uid in the control system before running FluidCom S2.
See the test protocol for installed uids, or contact manufacturer (refer to serial no. of unit).
3.2.1 Compatibleuids
All Fluids intended to be used with FluidCom needs following validation:
• Validate that each uid intended to be used is compatible with FluidCom wetted part
materials. Check against SDS for the actual chemical
• To secure accurate ow metering, each uid intended to be used with FluidCom needs to be
characterised using FluidCom test Facility. Actual characteristics needs to be uploaded to
FluidCom before use.
Upload can be performed at factory or at site depending on when uid characteristics are
made available.
3.2.2 Changeofuidsused
IMPORTANT
If there occur need for changing type of uid running through the FluidCom, some checks must
be done.
• Do FluidCom have the calibration data for the new uid installed?
• Is the new uid compatible to be mixed with the old one?
Check SDS for the actual chemicals.
If the new uid is not compatible to be mixed with old one, the process described in section 8.1.
This process must be performed several times, depending on the properties to the uids and
what uids they are compatible.
CAUTION
FluidCom S2 should only be used with the uid(s) which calibration data has not been stored in
it.
IMPORTANT
If FluidCom S2 is intended to be used with a uid which calibration data is not stored in it,
calibration data of that uid must be loaded into the FluidCom S2 beforehand. Please contact
customer service.

<3. Operation> 3-5
IM 23C01B01-01EN
3.3 Remote operation by HART
FluidCom S2 comprises a 4-20 mA output loop interface with HART v.7.1 communication
protocol. The HART device variables made available for remote operation of FluidCom S2 are
presented in section 3.3.1.
• The regulation mode must be in auto mode for the use of HART protocol. Charging of
regulation mode is not possible by HART commands.
• Remote ow reading is only available in auto mode.
• If ow rate is set to 0.0 l/h by HART command, system state is automatically changed to
“stopped”. A ow rate setting > 0.0 l/h by HART command automatically changes the system
state to “running”.
IMPORTANT
If setting a ow > 0.0 l/hr by HART command, also when in manual mode, system state will
change to “running.”
IMPORTANT
Always change regulation mode back to auto mode after operation in manual mode.
Figure 3.1 shows the graphical user interface (GUI) for remote operation by HART protocol.
Figure 3.1 GUI for remote operation by HART protocol

<3. Operation>3-6
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3.3.1 HART device variables
Table 3.2 presents the device variables made available for operation by HART protocol.
Table 3.2 presents the device variables made available for operation by HART protocol.
#DESCR. DYN. VARIABLE /
PARAMETER
READ /
WRITE NOTES
VERSION
DISPLAY MAIN DD
2.0.7 2.0.8 2.0.9 2.0.7 2.0.8 2.0.9
1.30 1.40
1Flow PV R"Flow Reading" in GUI ■■■■■■■■
2Temp. inlet SV R■■■■■■■■
3Temp. outlet TV R■■■■■■■■
4Temp. heater QV R"Protection Temp." in GUI ■■■■■■■■
5Set ow Flow setting R/W
“Flow Setting” in GUI
= 0.0 l/h → system state
STOPPED
> 0.0 l/h → system state
RUNNING
■■■■■■■■
-Power Heater Power R/W Manual mode setpoint □■■□■■■■
- - Regulation Mode R/W □■■□■■■■
- - System Status R□■■□■■■■
- - Running State R/W □■■□■■■■
- - Auto Mode
Regulation Stage R□■■□■■■■
-Level Accumulated Flow
(Non-resettable) R□■■□■■■■
-Level Accumulated Flow
(Resettable) RCan be cleared only □■■□■■■■
-Power Output Heater
Power R□■■□■■■■
- - Initial Period
Correction R/W □■■□■■■■
- - Selected Fluid R/W Select one of eight stored uids □■■□■■■■
- - Fluid Parameters R/W Change calibration parameters □■■□■■■■
- - Analog Input
Conguration R/W Disable/Enable/Select analog
input function. □□■□□■□■
NOTE
Primary variable 4-20 mA on HART loop analog output is “Flow Reading.”
NOTE
System state “stopped” gives 3.2 mA readout.
System state “warning” gives 22.8 mA readout.
3.3.2 Multidrop
FluidCom S2 can be congured for multidrop communication by HART protocol. Maximum
number of FluidCom S2 which can be connected to multidrop is eight units a loop. For
information regarding HART polling addresses, see section 7.3.2.
3.3.3 Protocol conversion
Both point-to-point conguration and multidrop conguration, FluidCom S2 can be operated by
other communication protocols (e.g. Probus, Modbus, etc.) using protocol converters. See more
details in section 6.8.4.
3.3.4 Analog output
Analog control (4-20 mA) is possible on single-point-to-point congured FluidCom S2 units when
using the HART communication protocol. To achieve this, a suitable HART-to-analog converter
must be applied. See more details in section 6.8.4.2.

<3. Operation> 3-7
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3.4 Analoginput(4-20mA)forremoteowset
FluidCom S2 comprises a separate 4-20 mA AI control loop interface in addition to the HART
control loop. This is a separate connection and provides an operation for analog remote setting.
See more details in section 4.8.4.3
IMPORTANT
In this conguration the analog ow set will be performed from a remote location. Local ow set
from push buttons on the front panel or HART loop is not possible.
• The analog set input can be used in auto mode (zero – max ow L/hr) or manual mode (0-
100%). Change of regulation mode (auto/manual) is not possible via the control loop and
must be changed using the local display.
• Flow reading is only available on the standard analog output loop.
• If ow is set to 0.0 L/hr by applying 4 mA current, system state is automatically changed to
“stopped”. A ow setting > 0.0 L/hr by applying > 4 mA current automatically changes the
system state to “running.”
IMPORTANT
If setting a ow > 0.0 l/hr by a 4-20 mA control loop command, also when in manual mode,
system state will change to “running.”
IMPORTANT
Always change the regulation mode back to auto mode after operation in manual mode.
3.5 Local operation
Display and control buttons in front of FluidCom S2 are used for local operation.
• The default view in the display is dependent on in which control mode the system is running.
• The display will automatically return to the default view if push buttons are left untouched for
more than 12 seconds.
• UP and DOWN buttons are used to navigate in the menu, and to change/adjust a writeable
device variable.
• Push SET button to open for changing/adjusting writeable variables. LCD will start blinking.
Push SET button again to conrm the change/adjustment.
• When a variable is open for change/adjustment, the display is blinking. The blinking will
continue until SET button is used to conrm (no automatic return to default view).
• If entered the set ow adjustment (auto mode) or set power adjustment (manual mode), the
EXIT button can be used to return to the default view without applying any new settings.
Display menu owchart is found in section 3.5.1 and 3.5.2.
These owchart can be sent as high resolution pdf-le upon request.

<3. Operation>3-8
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3.5.1 Displaymainmenuowchart
Figure3.2 Displaymainmenuowchart

<3. Operation> 3-9
IM 23C01B01-01EN
3.5.2 Displayservicemenuowchart
Figure3.3 Displayservicemenuowchart

<3. Operation>3-10
IM 23C01B01-01EN
3.5.3 Display operations
3.5.3.1 Start and stop system
From “system state” view:
SET (to open for changing the system state)
UP (to select “start”)
DOWN (to select “stop”)
SET (to conrm the system state)
3.5.3.2 Setowrate
From auto mode default view:
SET (to open for adjusting the set ow)
UP/DOWN (to adjust set ow; hold button for continuous counting)
SET (to conrm the set ow)
EXIT (to return to default view without new settings)
3.5.3.3 Changeowunit
NOTE
To use “kg/h” it is required that the correct specic gravity of the uid is stored in control system.
See section 3.5.3.4. This is a display option only and changing units will have no e󰀨ect on ow
reading on the HART loop.
From “ow unit” view:
SET (to open for changing the ow unit)
UP (to select “kg/h”)
DOWN (to select “l/h”)
SET (to conrm the ow unit)
3.5.3.4 Changeuidparameters
NOTE
From “uid selection” it is only possible to either change which uid to operate, or to change the
uid parameters.
NOTE
To apply the changed parameters and use the applicable uid, perform the “change uid”
operation according to section 3.5.3.5.
Thereafter set ow according to section 3.5.3.2.