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Supplementary instructions
Supplementary instructions
OPTISONIC 6300
OPTISONIC 6300
OPTISONIC 6300OPTISONIC 6300
Addendum for hazardous areas. These additional instructions are an extension to the
OPTISONIC 6300 quick start and handbook
Supplementary instructions Supplementary instructions
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CONTENTS
OPTISONIC 6300
1 Introduction 3
1.1 Safety instructions from the manufacturer ..................................................................... 3
1.1.1 Copyright and data protection ................................................................................................ 3
1.1.2 Disclaimer ............................................................................................................................... 3
1.1.3 Product liability and warranty ................................................................................................ 4
1.1.4 Information concerning the documentation........................................................................... 4
1.1.5 Warnings and symbols used................................................................................................... 5
1.1.6 Manufacturer .......................................................................................................................... 5
1.2 Safety instructions for the operator................................................................................. 6
1.3 Approval............................................................................................................................ 7
1.4 OPTISONIC 6000 xxxxxx-Ex .............................................................................................. 7
1.5 UFC 300 F(/i)-Ex ............................................................................................................... 8
1.6 Marking labels .................................................................................................................. 9
2 Temperature limits 11
2.1 General ........................................................................................................................... 11
2.2 UFC 300 F(/i)-Ex ............................................................................................................. 12
2.3 OPTISONIC 6000 xxxxxx-Ex ............................................................................................ 12
3 Connection of separate systems 13
3.1 General ........................................................................................................................... 13
3.2 Cable marking ................................................................................................................ 13
3.3 Cable parameters...........................................................................................................13
3.4 Equipotential bonding..................................................................................................... 13
3.4.1 Signal converter.................................................................................................................... 13
3.4.2 Flow sensor........................................................................................................................... 13
3.5 Signal cable connections................................................................................................ 14
4 Electrical connections 16
4.1 General ........................................................................................................................... 16
4.2 Non-"Ex i" I/O connections............................................................................................. 18
4.3 "Ex i" I/O connections .....................................................................................................19
5 Maintenance 21
5.1 Maintenance ................................................................................................................... 21
5.2 Before and after opening................................................................................................ 21
5.3 Replacement of mains fuse............................................................................................ 22
5.4 Exchange of electronics unit .......................................................................................... 23
5.4.1 Field version.......................................................................................................................... 24
5.5 Service / repair information ........................................................................................... 26
5.6 Form (for copying) to accompany a returned device ..................................................... 27
5.7 Disposal .......................................................................................................................... 27
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OPTISONIC 6300
1.1 Safety instructions from the manufacturer
1.1.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no
guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to German copyright. Contributions from
third parties are identified as such. Reproduction, processing, dissemination and any type of use
beyond what is permitted under copyright requires written authorisation from the respective
author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created
in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the
manufacturer's documents is always on a voluntary basis whenever possible. Whenever
feasible, it is always possible to make use of the offerings and services without providing any
personal data.
INTRODUCTION 1
We draw your attention to the fact that data transmission over the Internet (e.g. when
communicating by e-mail) may involve gaps in security. It is not possible to protect such data
completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish
an imprint for the purpose of sending us any advertising or informational materials that we have
not expressly requested.
1.1.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including,
but not limited to direct, indirect, incidental, punitive and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross
negligence. In the event any applicable law does not allow such limitations on implied warranties
or the exclusion of limitation of certain damages, you may, if such law applies to you, not be
subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant
product documentation and our Terms and Conditions of Sale.
The manufacturer reserves the right to alter the content of its documents, including this
disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable
in any way for possible consequences of such changes.
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1 INTRODUCTION
1.1.3 Product liability and warranty
Ultrasonic flowmeters are designed solely for measuring the flow rate and the velocity of sound
of process liquids.
Responsibility as to suitability and intended use of these ultrasonic flowmeters rests solely with
the operator. The supplier does not accept any liability resulting from misuse by the operator.
Improper installation and operation of the flowmeters (systems) may lead to loss of warranty. In
addition, the “General conditions of sale“ which forms the basis of the purchase agreement are
applicable.
1.1.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the
information in this document and observe applicable national standards, safety requirements
and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the
text, we advise you to contact your local office for assistance. The manufacturer can not accept
responsibility for any damage or injury caused by misunderstanding of the information in this
document.
OPTISONIC 6300
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device. Special considerations and precautions are also described in the
document, which appear in the form of underneath icons.
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OPTISONIC 6300
1.1.5 Warnings and symbols used
Safety warnings are indicated by the following symbols.
DANGER!
This information refers to the immediate danger when working with electricity.
DANGER!
This warning refers to the immediate danger of burns caused by heat or hot surfaces.
DANGER!
This warning refers to the immediate danger when using this device in a hazardous atmosphere.
DANGER!
These warnings must be observed without fail. Even partial disregard of this warning can lead to
serious health problems and even death. There is also the risk of seriously damaging the device
or parts of the operator's plant.
INTRODUCTION 1
WARNING!
Disregarding this safety warning, even if only in part, poses the risk of serious health problems.
There is also the risk of damaging the device or parts of the operator's plant.
CAUTION!
Disregarding these instructions can result in damage to the device or to parts of the operator's
plant.
INFORMATION!
These instructions contain important information for the handling of the device.
LEGAL NOTICE!
This note contains information on statutory directives and standards.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the
specified sequence.
i RESULT
RESULT
RESULTRESULT
This symbol refers to all important consequences of the previous actions.
1.1.6 Manufacturer
This instrument is developed and manufactured by:
KROHNE Altometer
Kerkeplaat 12
3313 LC Dordrecht
The Netherlands
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1 INTRODUCTION
For information, maintenance or service please contact your nearest local KROHNE
representative.
1.2 Safety instructions for the operator
WARNING!
•
Do not change the device. Unauthorized changes affect the explosion safety of the devices.
•
The prescriptions and regulations as well as the electrical data described in the EC type
examination certificate must be obeyed.
•
Beside the instructions for electrical installations in non-hazardous locations according to
the applicable national standard (equivalent to HD 384 or IEC 364, e.g. VDE 0100), especially
the regulations in EN 60079-14 "Electrical installations in hazardous locations" or equivalent
national standard (e.g. DIN VDE 0165 Part 1) must be strictly followed.
•
Installation, establishment, utilization and maintenance are only allowed to be executed by
personnel with an education in explosion safety!
These additional instructions are an extension to the installation and operating instructions and
only apply tot the Ex-versions of the OPTISONIC 6000 and UFC 300 F(/i) ultrasonic flowmeters.
All technical information as described in the Installation and Operating Instructions is
applicable, when not specifically excluded, completed or replaced by the instructions in these
additional instructions.
OPTISONIC 6300
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OPTISONIC 6300
1.3 Approval
The ultrasonic flowmeters are manufactured according to the European Directive 94/9 EC (ATEX
100a). These flowmeters are approved for installation and use in hazardous classified locations
of Zone 1 and 2 by the PTB and are in accordance with the European Standards of the EN 60079
series. They have approval number:
INTRODUCTION 1
OPTISONIC 6000 xxxxxx-Ex sensor: PTB 06 ATEX 2045 X
UFC 300 F(/i)-Ex converter: PTB 06 ATEX 2046 X
The FM
FM approval original project ID is 3029326
FMFM
The CSA
CSA approval certificate is 1956404 (LR 105802)
CSA CSA
PTB 06 ATEX 2046 X
PTB 06 ATEX 2046 XPTB 06 ATEX 2046 X
1.4 OPTISONIC 6000 xxxxxx-Ex
The OPTISONIC 6000 xxxxxx-Ex is a clamp-on ultrasonic flow sensor and has intrinsically safe
transducer circuits. It is available in three sizes (xxxxxx = small, medium or large), designed for
the size of the pipeline on which the flow sensor is installed.
It is marked with the explosion safety code:
II 2 G Ex ia IIC T6...T4
II 2 G Ex ia IIC T6...T4
II 2 G Ex ia IIC T6...T4II 2 G Ex ia IIC T6...T4
II 2 G Ex ia IIC T6...T2
II 2 G Ex ia IIC T6...T2 (XT versions)
II 2 G Ex ia IIC T6...T2II 2 G Ex ia IIC T6...T2
The intrinsically safe transducer connections of the OPTISONIC 6000 xxxxxx-Ex are connected to
an associated device and have the following maximum values:
Ui = 8,5 V Ii = 250 mA Pi ≤ 0,625 W Ci ≤ 4,5 nF L
PTB 06 ATEX 2045 X
PTB 06 ATEX 2045 XPTB 06 ATEX 2045 X
3029326.
30293263029326
1956404 (LR 105802).
1956404 (LR 105802)1956404 (LR 105802)
≤ 400 µH
i
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1 INTRODUCTION
1.5 UFC 300 F(/i)-Ex
The UFC 300 F(/i)-Ex is the separate version of the ultrasonic signal converter and has
intrinsically safe connections to the ultrasonic flow sensor in separate version. The ultrasonic
signal converter is either provided with increased safety or intrinsically safe in-/outputs that are
located in the terminal compartment, which can either be configured as “Ex d” or “Ex e”.
The converter is marked with one of the following codes:
• II 2(1) G Ex de [ia] IIC T6
II 2(1) G Ex de [ia] IIC T6 or II 2 G Ex de [ia] IIC T6
II 2(1) G Ex de [ia] IIC T6II 2(1) G Ex de [ia] IIC T6
converter housing in type of protection increased safety "Ex e" in accordance with EN 60079-
7.
• II 2(1) G Ex d [ia] IIC T6
II 2(1) G Ex d [ia] IIC T6 or II 2 G Ex d [ia] IIC T6
II 2(1) G Ex d [ia] IIC T6II 2(1) G Ex d [ia] IIC T6
converter housing designed as flameproof enclosure "Ex d" according to EN 60079-1. The
customer must provide "Ex d" approved cable glands in accordance with the European
Directive 94/9 EC (ATEX 100a).
The terminal compartment contains the connecting terminals for the mains supply and in/outputs. It has three M20 x 1,5 - 6H cable/conduit entry holes for use with appropiate cable
glands, blind plugs or conduit adapters ("Ex e" or "Ex d" approved).
OPTISONIC 6300
II 2 G Ex de [ia] IIC T6 for the terminal compartment of the signal
II 2 G Ex de [ia] IIC T6II 2 G Ex de [ia] IIC T6
II 2 G Ex d [ia] IIC T6 for the terminal compartment of the signal
II 2 G Ex d [ia] IIC T6II 2 G Ex d [ia] IIC T6
WARNING!
"Ex d" approved cable glands / blind plugs are not
not part of the standard delivery package and
notnot
must be provided by the customer or explicitly ordered at the manufacturer.
When conduits are used, the terminal compartment must be a flameproof enclosure "Ex d"
according to EN 60079-1. The conduits must be sealed by "Ex d" approved sealing devices, e.g. a
stopping box with setting compound, directly at the conduit entrances.
The intrinsically safe transducer output connections have the following values:
Uo = 8,2 V Io = 210 mA Po = 435 mW Co = 1,3 μF or 0,8 μF Lo = 0,5 mH or 1,2 mH
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OPTISONIC 6300
1.6 Marking labels
See the marking labels (i.e. data stickers) below of respectively the rail, the cover, the splitter
box (only for large version) and the UFC 300 F(/i)-Ex ultrasonic signal converter.
Figure 1-1: OPTISONIC 6000 xxxxxx-Ex rail
INTRODUCTION 1
Figure 1-2: OPTISONIC 6000 xxxxxx / XT-Ex rail
Figure 1-3: OPTISONIC 6000 xxxxxx-Ex cover
Figure 1-4: OPTISONIC 6000 xxxxxx-Ex splitter box
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1 INTRODUCTION
Figure 1-5: UFC 300 F(/i)-Ex
OPTISONIC 6300
The typeplates of the FM approved flowmeters look similar, but they bear the FM logo and the
project ID number.
The typeplates of the CSA approved flowmeters look similar, but they bear the CSA logo and the
certificate number.
INFORMATION!
Stainless steel and XT versions are not availabe with FM or CSA approval.
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2.1 General
Due to the influence of the process temperature, ultrasonic flow sensors in separate version
with type designation OPTISONIC 6000 xxxxxx-Ex are not allocated to any fixed temperature
class. For the temperature classification table refer to
The temperature limits apply under the following conditions:
• The instrument is installed and operated in accordance with the installation directions given
• The instrument is not heated up by any additional heat radiation (direct solar radiation, heat
• Insulation is not hindering free ventilation of the ultrasonic signal converter housing.
TEMPERATURE LIMITS 2
OPTISONIC 6000 xxxxxx-Ex
in the quickstart and handbook.
from adjacent plant parts) so causing it to operate above the permissible ambient
temperature range.
on page 12.
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2 TEMPERATURE LIMITS
2.2 UFC 300 F(/i)-Ex
The UFC 300 F(/i)-Ex ultrasonic signal converter in separate version is not influenced by the
temperature of the process medium, because it is installed on a distance of the pipe-line and
thus not physically connected to the pipe-line. The UFC 300 F(/i)-Ex signal converter has a
temperature classification of T6 (85°C). The permissible ambient temperature is dependent on
the material that the electronics housing is made of, namely:
• die-casted aluminum: -40...+60ºC
• die-casted stainless steel: -40...+55ºC
2.3 OPTISONIC 6000 xxxxxx-Ex
The OPTISONIC 6000 xxxxxx-Ex clamp-on ultrasonic flow sensor has the following maximum
process temperatures at the maximum ambient temperature T
Temperature class
Temperature class Maximum process temperature [
Temperature classTemperature class
T6 80
T5 95
T4 120 1
T3 195 2
T2 200 2
1 XT version: 130°C
2 XT versions only
OPTISONIC 6300
of 70°C.
a
Maximum process temperature [ºC] at T
Maximum process temperature [Maximum process temperature [
C] at T
C] at TC] at T
= 70ºC
aaaa
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3.1 General
The electrical connection between the ultrasonic flow sensor and the signal converter is
established with MR 02 - RGX 316 triax signal cable. The ends of the coaxial cables are provided
with SMB plugs. The signal cable is provided with the system.
3.2 Cable marking
CONNECTION OF SEPARATE SYSTEMS 3
Please refer to
Signal cable connections
3.3 Cable parameters
The maximum permitted total capacitance and inductance for the connecting cable is:
= 1,29 μF or 0,79 μF
C
L
L
= 0,1 mH or 0,8 mH
L
The cable supplied with the instrument has the following parameters:
distributed capacitance C
distributed inductance L
INFORMATION!
The standard length of the signal cable is 5 m. In case a longer length is required, please contact
your local representative for detailed information.
3.4 Equipotential bonding
3.4.1 Signal converter
The UFC 300 F(/i)-Ex ultrasonic signal converter must always
equipotential bonding system of the installation in the hazardous classified location. For this
purpose it must be connected to the external U-clamp screw terminal (size M5) on the wallmounting device.
on page 14 for the connection of the different versions.
(core/screen) = 94 pF/m
C
(core/screen) = 0,24 μH/m
C
must always be incorporated within the
must alwaysmust always
The separate bonding conductor must be at least 4 mm
is mechanically protected, see Clause 413 of HD 384.4.41 or IEC 364-4-41. Make sure that the
core of the bonding wire is properly mounted under the U-clamp of the external M5 terminal and
that the screw is tightly fixed.
3.4.2 Flow sensor
The intrinsically safe transducer circuits of the flow sensor are galvanically isolated from earth,
therefore an equipotential bonding conductor between the flow sensor and the signal converter
does not have to be connected.
2
(11 AWG) or 2.5 mm2 (14 AWG) in case it
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3 CONNECTION OF SEPARATE SYSTEMS
3.5 Signal cable connections
See the pictures below for details.
Figure 3-1: Connecting the signal cable to the rail (small and medium version)
1 Connect the green cable to "DOWN"
2 Connect the blue cable to "UP"
3 Turn the screws clockwise to secure the cap
OPTISONIC 6300
Figure 3-2: Connections in cable box (large version)
1 Connect the blue cable to the UP rail.
2 Connect the green cable to the DOWN rail.
3 Make connections in cable box.
4 Cable to converter
5 Turn the screws clockwise to secure the caps.
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OPTISONIC 6300
Figure 3-3: Construction (field version)
1 Cover, electronics compartment
2 Cover, terminal compartment for power supply and inputs/outputs
3 Cable entry for power
4 Cable entry for inputs/outputs
5 Cable entry for sensor cable
6 Cover, sensor terminal compartment
CONNECTION OF SEPARATE SYSTEMS 3
Figure 3-4: Connect the signal cable in case of stainless steel / XT version.
1 Put in the connector.
2 Turn knob to secure the connector.
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4 ELECTRICAL CONNECTIONS
4.1 General
The display cover seals the electronics compartment of the converter housing and provides type
of protection “flameproof enclosure”. The terminal compartment is default in type of protection
“increased safety” ("Ex e") and can optionally be performed as flameproof enclosure ("Ex d"). The
threaded joints formed by the covers and housing are a tight fit due to the requirements for type
of protection “flameproof enclosure”. Screw the covers on and off with care and never use
excessive force !
Keep the screw-threads free of dirt and well-greased (e.g. with PTFE grease). The grease will
help to prevent the threads from locking due to corrosion.
To unscrew the covers, first release the interlocking devices (one at each cover). Therefore
unscrew the M4 head screw with internal hexagon socket set using a No. 3 Allen key until the
interlocking device can be turned. After the covers are screwed back onto the housing, make
sure that the interlocking devices are properly refitted.
WARNING!
Allow the electronics to de-energize before opening the electronics compartment of the flow
converter housing. Wait at least 35 minutes for T6 and 10 minutes for T5 before opening.
OPTISONIC 6300
Figure 4-1: Electrical connections
Terminals
Terminals Function, electrical data
TerminalsTerminals
L, N
L+, L-
A, A-, A+
B, BC, CD, D-
Function, electrical data
Function, electrical dataFunction, electrical data
Connections for mains supply, always non-Ex i
100...230 V AC, +10%/-15%, 22 VA, 50/60 Hz
12...24 V DC, +30%/-10%, 12W
24 V AC, +10%/-15%, 22 VA, 50/60 Hz
24 V DC, +30%/-25%, 12 W
Um = 253 V
Connections for signal I/Os (PELV circuits), non-“Ex
i” or “Ex i”, are dependent on the specific version of
the UFC 300 converter ordered. Consult the tables
with CG34 numbers for details.
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OPTISONIC 6300
The exact I/O-configuration for circuits A, B, C and D is order-specific and can be determined by
the CG34 number shown on the I/O sticker inside the terminal compartment. Therefore check
the data on the back of the UFC 300 electronics unit. The CG34 number contains 10 characters of
which the last three characters (XYZ) determine the configuration of the I/O circuits:
CG34
CG34 **** **** **** XXXX YYYY ZZZZ
CG34CG34
Pos 1...4 5 6 7 8 9 10
ELECTRICAL CONNECTIONS 4
determine I/O circuits
For schematic overviews of the CG34 numbers, refer to
refer to
exact connection diagram of a specific UFC 300 signal converter can be found on the sticker
inside the terminal compartment.
For use in gaseous hazardous areas:
For use in gaseous hazardous areas: The chosen cable glands must have the appropriate type of
For use in gaseous hazardous areas:For use in gaseous hazardous areas:
protection for the terminal compartment that is increased safety (Ex e) or flameproof enclosure
(Ex d). They MUST be suitable for the conditions of use and correctly installed.
The flowmeter with the terminal compartment in type of protection increased safety “Ex e” is
factory supplied with two “Ex e” approved cable glands and one “Ex e” approved blanking element
(i.e. stopping plug).
Non-"Ex i" I/O connections
on page 18. These overviews do not show all details. The
"Ex i" I/O connections
on page 19 and
WARNING!
“
The flowmeter with the terminal compartment performed as flameproof enclosure
“
supplied with one
Ex d” approved stopping plug and two temporary plugs. The temporary plugs
Ex d” is
are only intended for sealing the housing against entry of dust, moisture or else during
“
transport, handling and storage. These temporary plugs must be replaced by suitable
Ex d”
approved cable glands, stopping plugs or conduit adapters with sealing devices before the
flowmeter is put into operation. Unused openings must be sealed by suitable certified plugs.
The wiring of instruments has to be in accordance with the requirements as specified in the
relevant national or international standard for electrical installations in hazardous areas, e.g.
EN 60079-14. Section 9 (wiring systems) of this standard applies to all types of protection.
Section 10 (additional requirements for type of protection “d” - flameproof enclosures), section
11 (additional requirements for type of protection “e” - increased safety) and section 12
(additional requirements for type of protection “i” - intrinsic safety) apply to respectively “Ex d”,
“Ex e” and “Ex i” performed connection (terminal) compartments.
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4 ELECTRICAL CONNECTIONS
4.2 Non-"Ex i" I/O connections
The following non-intrinsically safe I/O (inputs/outputs) are available:
I/O PCB
I/O PCB Input/output functions, U
I/O PCBI/O PCB
Basic I/O Current Output, active or passive, with HART
Modular I/O Current Output, active or passive, with HART
Modular carrier with 1 or 2 I/O modules Each module: 1 out of following 3 in-/output
The options separated by “/” are software selectable (can be changed by the user)
The options separated by “or” are hardware versions (must be ordered as such)
All outputs are passive unless otherwise indicated
HighC means High Current input/output, Namur means that the in-/outputs are according to the NAMUR
NE43 standard
OPTISONIC 6300
Input/output functions, U
Input/output functions, UInput/output functions, U
Um = 253 V
Status Output / Control Input
Status Output
Pulse / Status Output
Pulse / Status Output, active or passive, highC or
Namur
functions:
Current Output, active or passive
Pulse / Status Output, active or passive, highC or
Namur
Control Input, active or passive, highC or Namur
< 32 V DC, In < 100 mA,
nnnn
Overview of the possible combinations, defined by characters XYZ of the CG34 number
Overview of the possible combinations, defined by characters XYZ of the CG34 number
Overview of the possible combinations, defined by characters XYZ of the CG34 numberOverview of the possible combinations, defined by characters XYZ of the CG34 number
Characters XYZ
Characters XYZ Name of I/O
Characters XYZCharacters XYZ
100 Basic I/O CO
488 to 4LL
588 to 5LL
688 to 6LL
788 to 7LL
888 to 8LL
A88 to ALL
B88 to BLL
C88 to CLL
Used abbreviations for in-/output functions: CO = Current Output, PO = Pulse Output, SO = Status Output,
CI = Control Input, PA = Profibus PA, FF = Foundation Fieldbus, DP = Profibus DP, RS485 = RS485 Modbus,
n.c. = not connected.
All in-/outputs are passive unless otherwise noted as active with extension (a).
Name of I/O
Name of I/O Name of I/O
circuits
circuits
circuitscircuits
Modular I/O
or
Modular
Carrier with 1
or 2 I/O
modules
Terminals
Terminals
TerminalsTerminals
A, A-, A+
A, A-, A+
A, A-, A+A, A-, A+
CO(a) over A+
Many combinations possible
Terminals
Terminals
TerminalsTerminals
B, B-
B, B-
B, B-B, B-
SO/CI SO PO/SO
Terminals
Terminals
TerminalsTerminals
C, C-
C, C-
C, C-C, C-
Terminals
Terminals
TerminalsTerminals
D, D-
D, D-
D, D-D, D-
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OPTISONIC 6300
4.3 "Ex i" I/O connections
The following intrinsically safe I/O connections are available:
I/O PCB
I/O PCB I/O functions
I/O PCBI/O PCB
Exi-IO Current Output + HART
Exi-Option Current Output
ELECTRICAL CONNECTIONS 4
I/O functions
I/O functionsI/O functions
communication
Pulse / Status Output
Current Output, active + HART
communication
Pulse / Status Output / Control
Input
Current Output, active
Ex ia IIC
Ui = 30 V, Ii = 100 mA, Pi = 1,0 W
= 10 nF, Li = negligibly low
C
i
Ex ia IIC
Uo = 21 V, Io = 90 mA, Po = 0,5 W
Lineair characteristics
= 90 nF, Lo = 2,0 mH
C
o
Co = 110 nF, Lo = 0,5 mH
Ex ia IIC
Ui = 30 V, Ii = 100 mA, Pi = 1,0 W
= 10 nF, Li = negligibly low
C
i
Ex ia IIC
= 21 V, Io = 90 mA, Po = 0,5 W
U
o
Lineair characteristics
= 90 nF, Lo = 2,0 mH
C
o
Co = 110 nF, Lo = 0,5 mH
The I/O circuits titled “Exi-IO” and “Exi-Option” are always provided with type of protection
Intrinsic Safety (Ex ia).
Up to a maximum of 4 intrinsically safe (Ex ia) in-/outputs are possible. All intrinsically safe
circuits are galvanically isolated with respect to earth and each other. To avoid summation of
voltages and current, the wiring of these “Ex ia”-circuits must be sufficiently separated, e.g. in
accordance with the requirements of standard EN 60079-14, clause 12.2.
The “Ex ia” in-/outputs may only be connected to other “Ex ia” or “Ex ib” approved devices (e.g.
intrinsically safe isolation amplifiers), even if such devices are installed in a non-hazardous
location !
Connection to non-“Ex i” devices cancels the “Ex ia” properties of the flowmeter.
Terminals L and N (or L+ and L-) for connection of the mains supply are not available with type of
protection “intrinsic safety”. To achieve the necessary separation distances according to EN
60079-11 between the non-”Ex i” and “Ex i” circuits, the mains terminals are provided with a
semi-circular protection cover with a “snap-in” lock. This cover MUST be closed before
establishing the power supply to the converter.
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4 ELECTRICAL CONNECTIONS
INFORMATION!
“
For converters with an
energized state for short periods of time, to access the intrinsically safe terminals for possible
checks. However, the semi-circular insulation cover over the non-intrinsically safe mains supply
terminals L and N (or L+ and L-) MUST be kept closed.
Overview of possible "Ex ia" in-/outputs, defined by characters XYZ of the CG 34 numbers
Overview of possible "Ex ia" in-/outputs, defined by characters XYZ of the CG 34 numbers
Overview of possible "Ex ia" in-/outputs, defined by characters XYZ of the CG 34 numbersOverview of possible "Ex ia" in-/outputs, defined by characters XYZ of the CG 34 numbers
Characters XYZ
Characters XYZ Name of I/O
Characters XYZCharacters XYZ
200 Exi-IO n.c. n.c. CO(a) PO/SO
300 n.c. n.c. CO PO/SO
210 Exi-IO with Exi-
220 CO PO/SO/CI CO(a) PO/SO
310 CO(a) PO/SO/CI CO PO/SO
320 CO PO/SO/CI CO PO/SO
Used abbreviations for in-/output functions: CO = Current Output, PO = Pulse Output, SO = Status Output,
CI = Control Input, n.c. = not connected
All in-outputs are passive unless otherwise noted as active with extension (a).
Name of I/O
Name of I/O Name of I/O
circuits
circuits
circuitscircuits
Option
Ex e” terminal compartment, the compartment can be opened in an
Terminals
Terminals
TerminalsTerminals
A, A-, A+
A, A-, A+
A, A-, A+A, A-, A+
CO(a) PO/SO/CI CO(a) PO/SO
Terminals
Terminals
TerminalsTerminals
B, B-
B, B-
B, B-B, B-
Terminals
Terminals
TerminalsTerminals
C, C-
C, C-
C, C-C, C-
OPTISONIC 6300
Terminals
Terminals
TerminalsTerminals
D, D-
D, D-
D, D-D, D-
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OPTISONIC 6300
5.1 Maintenance
The flowmeters are maintenance free with respect to the flowmetering properties. Within the
scope of periodic inspections required for electrical equipment installed in hazardous areas it is
recommended to check the flameproof converter housing and covers for signs of damage or
corrosion.
5.2 Before and after opening
WARNING!
the following instructions must always be carefully followed, if the housing of the signal
converter has to be opened respectively closed again.
Before opening:
• Make absolutely sure that there is no explosion hazard!
• Gas-free certificate!
• Make sure that all connecting cables are safely isolated from all external sources!
• Allow the electronics to de-energize before opening the electronics compartment of the
converter housing. Wait at least 35 minutes for T6 and 10 minutes for T5 before opening.
MAINTENANCE 5
When the instructions above are strictly followed, the display cover (includes glass window) of
the electronics compartment may be removed. First unscrew the head screw with internal
hexagon socket set (size M4) of the interlocking device by a No. 3 Allen key, until the cover can
rotate freely.
After opening:
• Before the cover is screwed back onto the housing, the screw-thread must be clean and well-
greased with an acid and resin-free grease, e.g. PTFE grease.
• Screw the cover as tight as possible onto the housing by hand, until it cannot be opened by
hand anymore. Fixate the screw of the interlocking device tight with the No. 3 Allen key.
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5 MAINTENANCE
5.3 Replacement of mains fuse
WARNING!
Before commencing the work, refer to Before and after opening on page 21
follows:
• Pull the display unit of the mounting frame and turn display unit carefully aside.
• Unscrew the two screws size M4 that hold the mounting frame with the electronics unit.
• Carefully pull the mounting frame with electronics unit out of the housing, until the small
printed circuit board with the six soldered coaxial cables can be pulled off of the sensor driver
PC-board. Now carefully remove the unit from the housing, while keeping the small printed
circuit board with coaxial cables down, close to the housing wall.
• The mains fuse is located in a fuse holder at the back-end of the electronics unit on the top
printed circuit board (power supply PCB). The specifications must be as follows:
Fuse type: 5 x 20 mm (H) according to IEC 60127-2/V
Fuse type: 5 x 20 mm (H) according to IEC 60127-2/V
Fuse type: 5 x 20 mm (H) according to IEC 60127-2/VFuse type: 5 x 20 mm (H) according to IEC 60127-2/V
Power supply
Power supply Electrical data
Power supplyPower supply
12...24 V DC 250 V / 2 A
24 V AC/DC 250 V / 2 A
100...230 V AC 250 V / 0,8 A
Electrical data
Electrical dataElectrical data
OPTISONIC 6300
, then continue as
WARNING!
Before reassembling the unit, refer to Before and after opening on page 21
• Reassemble the unit in reverse order.
, then:
22
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OPTISONIC 6300
5.4 Exchange of electronics unit
Before opening the converter housing:
Before opening the converter housing:
Before opening the converter housing:Before opening the converter housing:
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Make notes of important specific data, before exchanging the electronics.
Menu settings are stored on the circuit board (or backplane), that is fixed to the housing. After
exchange of electronics unit and power-up, the following start up screen appears:
Load all data?
Load all data?
Load all data?Load all data?
MAINTENANCE 5
• Select yes
i - if in the screen appears “load sensor data
compatible. You can proceed by selecting yes. Note that all settings need to be checked and
changed. Only the sensor calibration data are loaded.
- if in the screen appears “load no data
representative.
load sensor data”, the electronics units were not fully
load sensor dataload sensor data
load no data”, all data have been lost. Contact your local
load no dataload no data
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5 MAINTENANCE
5.4.1 Field version
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
OPTISONIC 6300
Figure 5-1: Unscrew the cover and remove the display
Figure 5-2: Pull off printed circuit board
Perform the following procedures:
• Unscrew the display cover of the electronics compartment by hand, by turning it counter
clockwise 1.
• Remove the display by using two screwdrivers 2.
• Unscrew the two M4 screws 3 at the electronics unit 4.
• Pull the two metal pullers 5 at the left and right of the display, using a screwdriver or similar
tool and partially pull out the electronics unit.
24
CAUTION!
Please pay attention that the same amount of force is applied on both pullers, otherwise the
connector at the backside can be damaged.
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OPTISONIC 6300
Figure 5-3: Small printed circuit board and electronics unit
MAINTENANCE 5
DANGER!
Electrostatic discharge (ESD) can damage electronic parts. Make sure to discharge yourself by
wearing a wrist strap. If no wrist strap is available, ground yourself by touching a metal surface
that is grounded.
• Remove the printed circuit board 6 from the electronics unit 4.
• Check compatibility between the removed and new electronics unit 4, by checking the power
voltage.
• Slide the new electronics unit 4 partially back into the housing.
• Mount the small printed circuit board back onto the electronics unit 4.
• Push the metal pullers 5 back to their original position.
Don't use excessive force, otherwise the connector at the backside can be damaged!
• Screw the electronics unit back to the housing.
• Re-install the display and make sure not to kink the display's flat ribbon cable.
• Replace cover and tighten by hand.
• Connect power.
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5 MAINTENANCE
5.5 Service / repair information
This device has been carefully manufactured and tested. If installed and operated in accordance
with these operating instructions, it will rarely present any problems.
CAUTION!
Should you nevertheless need to return a device for inspection or repair, please pay strict
attention to the following points:
•
Due to statutory regulations on environmental protection and safeguarding the health and
safety of our personnel, the manufacturer may only handle, test and repair returned devices
that have been in contact with products without risk to personnel and environment.
•
This means that the manufacturer can only service this device if it is accompanied by the
following certificate (see next section) confirming that the device is safe to handle.
CAUTION!
If the device has been operated with toxic, caustic, flammable or water-endangering products,
you are kindly requested:
•
to check and ensure, if necessary by rinsing or neutralizing, that all cavities are free from
such dangerous substances,
•
to enclose a certificate with the device confirming that is safe to handle and stating the
product used.
OPTISONIC 6300
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OPTISONIC 6300
5.6 Form (for copying) to accompany a returned device
Company: Address:
Department: Name:
Tel. no.: Fax no.:
Manufacturer's order no. or serial no.:
The device has been operated with the following medium:
MAINTENANCE 5
This medium is: water-hazardous
toxic
caustic
flammable
We checked that all cavities in the device are free from such
substances.
We have flushed out and neutralized all cavities in the
device.
We hereby confirm that there is no risk to persons or the environment through any residual media
contained in the device when it is returned.
Date: Signature:
Stamp:
5.7 Disposal
CAUTION!
Disposal must be carried out in accordance with legislation applicable in your country.
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KROHNE product overview
• Electromagnetic flowmeters
• Variable area flowmeters
• Ultrasonic flowmeters
• Mass flowmeters
• Vortex flowmeters
• Flow controllers
• Level meters
• Temperature meters
• Pressure meters
• Analysis products
• Measuring systems for the oil and gas industry
• Measuring systems for sea-going tankers
Head Office KROHNE Messtechnik GmbH
Ludwig-Krohne-Str. 5
D-47058 Duisburg (Germany)
Tel.:+49 (0)203 301 0
Fax:+49 (0)203 301 10389
info@krohne.de
© KROHNE 03/2010 - 7309972300 - EX OPTISONIC 6300 R03 en - Subject to change without notice.
The current list of all KROHNE contacts and addresses can be found at:
www.krohne.com
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