WIKA DPT-10 Manuale utente
Operating Instructions
Dierential pressure transmitter DPT-10
Dierential pressure transmitter DPT-10
Metallic measurement diaphragm
Foundation Fieldbus
2
Contents
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use ................................................................................................................ 5
2.3 Warning about incorrect use ............................................................................................. 5
2.4 General safety instructions ............................................................................................... 5
2.5 Safety label on the instrument .......................................................................................... 6
2.6 EU conformity ................................................................................................................... 6
2.7 Fulllment of NAMUR recommendations ......................................................................... 6
2.8 Installation and operation in the USA and Canada ........................................................... 6
2.9 Safety instructions for oxygen applications ....................................................................... 6
3 Product description
3.1 Conguration .................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Adjustment ..................................................................................................................... 11
3.4 Packaging, transport and storage ................................................................................... 11
4 Mounting
4.1 General instructions for use of the instrument ................................................................ 13
4.2 Instructions for oxygen applications ............................................................................... 14
4.3 Mounting and connection instructions ............................................................................ 14
4.4 Measurement setup - Flow ............................................................................................. 18
4.5 Measurement setup level ............................................................................................... 21
4.6 Measurement setup density and interface ...................................................................... 25
4.7 Measurement setup dierential pressure ....................................................................... 27
4.8 Mounting external housing ............................................................................................. 29
4.9 Installation control .......................................................................................................... 30
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 31
5.2 Connection procedure .................................................................................................... 32
5.3 Single chamber housing ................................................................................................. 33
5.4 Wiring plan, double chamber housing ............................................................................ 33
5.5 Double chamber housing Ex d ia .................................................................................... 36
5.6 Version IP 66/IP 68, 1 bar ............................................................................................... 37
5.7 Switch-on phase............................................................................................................. 37
6 Adjustment with the display and adjustment module
6.1 Short description ............................................................................................................ 38
6.2 Insert display and adjustment module ............................................................................ 38
6.3 Adjustment system ......................................................................................................... 39
6.4 Set parameters ............................................................................................................... 40
6.5 Menu schematic ............................................................................................................. 54
6.12 Saving the parameterisation data ................................................................................... 57
7 Setup with the adjustment program AMS™
7.1 Parameter adjustment with AMS™................................................................................. 58
3
Contents
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
8 Setup
8.1 General instructions ....................................................................................................... 59
8.2 Flow measurement ......................................................................................................... 59
8.3 Level measurement ........................................................................................................ 61
8.4 Density and interface measurement ............................................................................... 63
8.5 Dierential pressure measurement ................................................................................ 63
9 Maintenance and fault rectication
9.1 Maintenance .................................................................................................................. 64
9.2 Rectify faults ................................................................................................................... 64
9.3 Instrument repair ............................................................................................................ 65
10 Dismount
10.1 Dismounting steps.......................................................................................................... 66
10.2 Disposal ......................................................................................................................... 66
11 Supplement
11.1 Technical data ................................................................................................................ 67
11.2 Information on Foundation Fieldbus ............................................................................... 76
11.3 Dimensions, versions process component ..................................................................... 80
11.4 Trademark ...................................................................................................................... 86
Safety instructions for Ex areas
Take note of the Ex specic safety instructions for Ex applications.
These instructions are attached as documents to each instrument
with Ex approval and are part of the operating instructions manual.
Editing status: 2017-08-21
4
1 About this document
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
1 About this document
1.1 Function
This operating instructions manual provides all the information you
need for mounting, connection and setup of the instrument. Further-
more there are important instructions for maintenance, fault rectica-
tion, the exchange of parts and the safety of the user. Please read this
information before putting the instrument into operation and keep this
manual accessible in the immediate vicinity of the device.
1.2 Target group
This operating instructions manual is directed to trained specialist
personnel. The contents of this manual should be made available to
these personnel and put into practice by them.
1.3 Symbols used
Information, tip, note
This symbol indicates helpful additional information.
Caution: If this warning is ignored, faults or malfunctions can result.
Warning: If this warning is ignored, injury to persons and/or serious
damage to the instrument can result.
Danger: If this warning is ignored, serious injury to persons and/or
destruction of the instrument can result.
Ex applications
This symbol indicates special instructions for Ex applications.
SIL applications
This symbol indicates instructions for functional safety which must be
taken into account particularly for safety-relevant applications.
• List
The dot set in front indicates a list with no implied sequence.
→ Action
This arrow indicates a single action.
1 Sequence of actions
Numbers set in front indicate successive steps in a procedure.
Battery disposal
This symbol indicates special information about the disposal of bat-
teries and accumulators.
5
2 For your safety
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
2 For your safety
2.1 Authorised personnel
Mount and set up the pressure transmitter only if you know the appli-
cable national regulations and have the appropriate qualication. You
must be aquainted with the regulations and instructions for hazard-
ous areas, measurement and control technology as well as electrical
circuits because the pressure transmitter is "electrical equipment"
according to EN 50178. Depending on the application conditions, it
is necessary that you have appropriate knowledge, e.g. concerning
corrosive products or high pressure.
2.2 Appropriate use
DPT10 is a dierential pressure transmitter for measurement of ow,
level, dierential pressure, density and interface.
You can nd detailed information about the area of application in
chapter "Product description".
Operational reliability is ensured only if the instrument is properly
used according to the specications in the operating instructions
manual as well as possible supplementary instructions.
For safety and warranty reasons, any invasive work on the device
beyond that described in the operating instructions manual may be
carried out only by personnel authorised by the manufacturer. Arbi-
trary conversions or modications are explicitly forbidden.
2.3 Warning about incorrect use
Inappropriate or incorrect use of the instrument can give rise to
application-specic hazards, e.g. vessel overll or damage to system
components through incorrect mounting or adjustment. Thus dam-
age to property, to persons or environmental contamination can be
caused. Also the protective characteristics of the instrument can be
inuenced.
2.4 General safety instructions
This is a state-of-the-art instrument complying with all prevailing
regulations and directives. The instrument must only be operated in a
technically awless and reliable condition. The operator is responsi-
ble for the trouble-free operation of the instrument. When measuring
aggressive or corrosive media that can cause a dangerous situation
if the instrument malfunctions, the operator has to implement suitable
measures to make sure the instrument is functioning properly.
During the entire duration of use, the user is obliged to determine the
compliance of the necessary occupational safety measures with the
current valid rules and regulations and also take note of new regula-
tions.
The safety instructions in this operating instructions manual, the na-
tional installation standards as well as the valid safety regulations and
accident prevention rules must be observed by the user.
6
2 For your safety
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
For safety and warranty reasons, any invasive work on the device
beyond that described in the operating instructions manual may be
carried out only by personnel authorised by the manufacturer. Arbi-
trary conversions or modications are explicitly forbidden. For safety
reasons, only the accessory specied by the manufacturer must be
used.
To avoid any danger, the safety approval markings and safety tips on
the device must also be observed and their meaning looked up in this
operating instructions manual.
2.5 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
2.6 EU conformity
The device fulls the legal requirements of the applicable EU direc-
tives. By axing the CE marking, we conrm the conformity of the
instrument with these directives.
2.7 Fulllment of NAMUR recommendations
The device fullls the requirements of the applicable NAMUR recom-
mendations.
2.8 Installation and operation in the USA and
Canada
This information is only valid for USA and Canada. Hence the follow-
ing text is only available in the English language.
Installations in the US shall comply with the relevant requirements of
the National Electrical Code (ANSI/NFPA 70).
Installations in Canada shall comply with the relevant requirements of
the Canadian Electrical Code
2.9 Safety instructions for oxygen applications
For instruments in oxygen applications the special instructions in
chapters "Storage and transport", "Mounting" as well as "Technical
data" under "Process conditions"must be noted. Furthermore the valid
national regulations, implementation instructions and memorandums
of the professional assocations must be noted.
7
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
3 Product description
3.1 Conguration
The scope of delivery encompasses:
• DPT10 dierential pressure transmitter
• Depending on the version, ventilation valves and/or screw plugs
(details see chapter "Dimensions")
• Optional accessory
• Documentation
– This operating instructions manual
– Test certicate for pressure transmitters
– Operating instructions "Display and adjustment module"
(optional)
– Ex-specic "Safety instructions" (with Ex versions)
– If necessary, further certicates
The following illustration shows the components of DPT10:
+ –
1
2
3
Fig. 1: DPT10 in basic version
1 Housing cover, optionally with integrated display and adjustment module
2 Housing with electronics
3 Process component with measuring cell
The components are available in dierent versions.
The type label contains the most important data for identication and
use of the instrument:
Scope of delivery
Constituent parts
8
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
1
9
10
2
3
4
5
6
7
8
Fig. 2: Layout of the type label (example)
1 Instrument type
2 Place for approvals
3 Measuring range
4 Signal output/Operating voltage
5 Process pressure - Process temperature
6 Seal material
7 Product code
8 Order number
9 Serial number of the instrument
10 ID numbers, instrument documentation
3.2 Principle of operation
DPT10 is a dierential pressure transmitter for measurement of ow,
level, dierential pressure, density and interface. Measured products
are gases, vapours and liquids.
Flow measurement
QQ
p1p1
p2p2
Q~ ∆p Q~ ∆p
++ ––
1 2
Fig. 3: Flow measurement with DPT10 and DP ow element, Q = ow, Δp = dif-
ferential pressure, Δp = p1- p2
1 Orice
2 Pitot tube
Application area
9
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Level measurement
123
h= ∆p
ρg
+
+
–
–
h
+ –
Fig. 4: Level measurement with DPT10. Δp = dierential pressure, ρ = density of
the medium, g = acceleration of gravity
1 Basic version with eective pressure lines
2 Version with ange chemical seal
3 Version with capillaries and cell chemical seals
Dierential pressure measurement
+
2
1
Fig. 5: Dierential pressure measurement with DPT10
1 Filter
2 DPT10
Density measurement
=∆p
hg
+
–
h
1
Fig. 6: Density measurement with DPT10, h = dened mounting distance, Δp =
dierential pressure, ρ = density of the medium, g = acceleration of gravity
1 DPT10
10
3 Product description
WIKA Operating Instructions - Dierential pressure transmitter DPT-10
Interface measurement
1
+
–
h
2
3
Fig. 7: Interface measurement with DPT10
1 DPT10
2 Liquid with higher density
3 Liquid with lower density
A metallic measuring cell is used as sensor element. The process
pressures are transmitted via the separating diaphragms and lling
oils to a piezoresistive measuring element (resistance measuring
bridge in semi-conductor technology).
The dierence between the acting pressures changes the bridge volt-
age. This change is measured, further processed and converted into
a corresponding output signal.
1
p2
p
12
3
4
Fig. 8: Conguration metallic measuring cell
1 Measuring element
2 Overload diaphragm/Middle diaphragm
3 Filling oil
4 Separating diaphragms
p1, p2Process pressures
The markings "+" and "-" on the process component in chapter
"Mounting and connection instructions" must therefore be noted when
connecting to the process. The pressure acting on "+" goes positive,
the pressure acting on "-" goes negative into the calculation of the
pressure dierence.
Power is supplied via the H1 Fieldbus. A two-wire cable according to
Fieldbus specication serves as carrier of both power and digital data
for multiple sensors. This cable can be operated in two versions:
• via an H1 interface card in the control system and additional power
supply
Functional principle
Power supply and bus
communication
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1
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