KROHNE OPTISWITCH 3100 C Handbook Download Page 3

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Contents

OPTISWITCH 3100 C • Relay (DPDT)

29953-EN-210702

Safety instructions for Ex areas

Take note of the Ex specific safety instructions for Ex applications.

These instructions are attached as documents to each instrument

with Ex approval and are part of the operating instructions.
Editing status: 2018-11-22

Summary of Contents for OPTISWITCH 3100 C

Page 1: ...OPTISWITCH 3100 C Handbook Vibrating Level Switch Relay DPDT ...

Page 2: ... Configuration 7 3 2 Principle of operation 7 3 3 Adjustment 8 3 4 Storage and transport 8 4 Mounting 10 4 1 General instructions 10 4 2 Mounting instructions 11 5 Connecting to power supply 15 5 1 Preparing the connection 15 5 2 Connection procedure 16 5 3 Wiring plan single chamber housing 16 6 Setup 18 6 1 General information 18 6 2 Adjustment elements 18 6 3 Function table 19 7 Maintenance and...

Page 3: ...02 Safety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions Editing status 2018 11 22 ...

Page 4: ... Information note tip This symbol indicates helpful additional infor mation and tips for successful work Note This symbol indicates notes to prevent failures malfunctions damage to devices or plants Caution Non observance of the information marked with this symbol may result in personal injury Warning Non observance of the information marked with this symbol may result in serious or fatal personal...

Page 5: ...h incorrect mounting or adjustment Damage to property and persons or environmental contamination can result Also the protective characteristics of the instrument can be impaired 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 flawless and reliable condition The opera...

Page 6: ... information is available in the Safety Manual OPTISWITCH 3XXX 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 relevan...

Page 7: ...el contains the most important data for identification and use of the instrument Article number Serial number Technical data Article numbers documentation In addition to the type label outside on the instrument you find the serial number also inside the instrument 3 2 Principle of operation OPTISWITCH 3100 C is a point level sensor with tuning fork for point level detection It is designed for indu...

Page 8: ...s detected by the integrated electronics module and converted into a switching command OPTISWITCH 3100 C is a compact instrument i e it can be oper ated without external evaluation system The integrated electronics evaluates the level signal and outputs a switching signal With this switching signal a connected device can be operated directly e g a warning system a pump etc The data for power suppl...

Page 9: ...t be left closed and stored according to the orientation and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following conditions Not in the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see chapter Supplement Technical data Ambie...

Page 10: ...ient condi tions acc to DIN EN IEC ANSI ISA UL CSA 61010 1 It can be used indoors as well as outdoors In general OPTISWITCH 3100 C can be installed in any position The instrument only has to be mounted in such a way that the vibrating element is at the height of the desired switching point Use the recommended cables see chapter Connecting to power supply and tighten the cable gland You can give yo...

Page 11: ...trument in Applying tightening force can damage internal parts of the housing Use the hexagon above the thread for screwing in Metric threads In the case of instrument housings with metric thread the cable glands are screwed in at the factory They are sealed with plastic plugs as transport protection You have to remove these plugs before electrical connection NPT thread In the case of instrument h...

Page 12: ...cation should be necessary mount a suitable protective sheet above or in front of the vibrating element see illustra tion a In abrasive solids mounting according to illustration b has proven A spout forms in the concave protective sheet preventing wear of the protective sheet To achieve a very precise switching point you can install OPTIS WITCH 3100 C horizontally However if the switching point ca...

Page 13: ...le resistance as possible to product flow mount the sensor so that the surfaces are parallel to the product movement 1 2 Fig 5 Flow orientation of the tuning fork 1 Marking with screwed version 2 Direction of flow In case of horizontal mounting in adhesive products the surfaces of the tuning fork should be vertical in order to reduce buildup on the tuning fork On the screwed version you will find ...

Page 14: ... with the flange holes 1 Fig 6 Horizontal installation marking 1 Marking on top with screwed version In applications such as grit chambers or settling basins for coarse sediments the vibrating element must be protected against damage with a suitable baffle This baffle must be manufactured by you 125 mm 5 120 mm 4 7 Fig 7 Baffle for protection against mechanical damage Baffle protection against fal...

Page 15: ...inner earth conductor terminal Keep the general installation regulations in mind Take note of the corresponding installation regulations for hazardous areas with Ex applications The data for power supply are specified in chapter Technical data The instrument is connected with standard three wire cable without screen If electromagnetic interference is expected which is above the test values of EN 6...

Page 16: ...5 Lift the opening levers of the terminals with a screwdriver see following illustration Fig 8 Connection steps 5 and 6 6 Insert the wire ends into the open terminals according to the wir ing plan 7 Press down the opening levers of the terminals you will hear the terminal spring closing 8 Check the hold of the wires in the terminals by lightly pulling on them 9 Tighten the compression nut of the c...

Page 17: ...ways shown in non operative condition 3 2 1 Fig 10 Wiring plan 1 Relay output 2 Relay output 3 Voltage supply If inductive loads or stronger currents are switched through the gold plating on the relay contact surface will be permanently damaged The contact is then no longer suitable for switching low voltage circuits Inductive loads also result from the connection to a PLC input or output and or i...

Page 18: ...r devices 6 2 Adjustment elements 3 4 5 1 2 Fig 11 Electronics and connection compartment relay output 1 Potentiometer for adjustment of the density range 2 DIL switch for mode adjustment 3 Ground terminal 4 Connection terminals 5 Control lamp With the potentiometer you can adapt the switching point to the solid It is already preset and must only be modified in special cases By default the potenti...

Page 19: ... always takes on the same safe state if a failure is detected Control lamp for indication of the switching status green relay energized red relay deenergized red flashing failure 6 3 Function table The following table provides an overview of the switching conditions depending on the set mode and the level Level Switching status Control lamp Mode of operation max Overflow protection 5 3 4 8 6 7 Rel...

Page 20: ...20 6 Setup OPTISWITCH 3100 C Relay DPDT 29953 EN 210702 Level Switching status Control lamp Fault any 5 3 4 8 6 7 Relay deenergized flashes red ...

Page 21: ...CH 3100 C sig nals covered without being submerged overfill protection OPTISWITCH 3100 C sig nals uncovered when being submerged dry run protection Operating voltage too low Check operating voltage Electronics defective Press the mode switch If the instrument then changes the mode the vibrating element may be covered with buildup or mechanically damaged Should the switch ing function in the correc...

Page 22: ...to use an electronics module with a differ ent signal output you can download the corresponding operating instructions manual from our homepage under Downloads With Ex d instruments the housing cover may only be opened if there is no explosive atmosphere present Proceed as follows 1 Switch off voltage supply 2 Unscrew the housing lid 3 Lift the opening levers of the terminals with a screwdriver 4 ...

Page 23: ...the correct position 10 Screw in and tighten the two holding screws with a screwdriver Torx size T10 or Phillips 4 11 Insert the wire ends into the open terminals according to the wir ing plan 12 Press down the opening levers of the terminals you will hear the terminal spring closing 13 Check the hold of the wires in the terminals by lightly pulling on them 14 Check cable gland on tightness The se...

Page 24: ...rosive or toxic products etc Take note of chapters Mounting and Connecting to voltage supply and carry out the listed steps in reverse order With Ex instruments the housing cover may only be opened if there is no explosive atmosphere present 8 2 Disposal The device is made of recyclable materials For this reason it should be disposed of by a specialist recycling company Observe the ap plicable nat...

Page 25: ...die casting AlSi10Mg powder coated Basis Polyester Ʋ Ʋ Stainless steel housing precision casting 316L Ʋ Ʋ Stainless steel housing electropol ished 316L Ʋ Ʋ Seal between housing and housing lid Silicone Ʋ Ʋ Light guide in housing cover plastic PMMA Makrolon Ʋ Ʋ Ground terminal 316L Ʋ Ʋ Cable gland PA stainless steel brass Ʋ Ʋ Sealing cable gland NBR Ʋ Ʋ Blind plug cable gland PA Process fittings Ʋ ...

Page 26: ...ld plating on the relay contact surface will be permanently damaged The contact is then no longer suitable for switching low level signal circuits Contact material relay contacts AgNi or AgSnO2 each with 3 µm gold plating Modes switchable Ʋ Ʋ A Max detection or overflow protection Ʋ Ʋ B Min detection or dry run protection Switching delay Ʋ Ʋ When immersed 0 5 s Ʋ Ʋ When laid bare 1 s Ambient condi...

Page 27: ...ons of the cable entry Ʋ Ʋ Cable entry M20 x 1 5 NPT Ʋ Ʋ Cable gland M20 x 1 5 NPT Ʋ Ʋ Blind plug M20 x 1 5 NPT Ʋ Ʋ Closing cap NPT Wire cross section spring loaded terminals Ʋ Ʋ Massive wire stranded wire 0 2 2 5 mm AWG 24 14 Ʋ Ʋ Stranded wire with end sleeve 0 2 1 5 mm AWG 24 16 Adjustment elements Mode switch Ʋ Ʋ Min Min detection or dry run protection Ʋ Ʋ Max Max detection or overflow protecti...

Page 28: ... different technical data For these instruments please note the corresponding approval documents They are included in the scope of delivery 9 2 Dimensions OPTISWITCH 3100 C 112mm 4 41 117mm 4 60 114mm 4 49 69mm 2 72 ø 77mm 3 03 69mm 2 72 116mm 4 57 ø 77mm 3 03 ø 84mm 3 31 M20x1 5 M20x1 5 NPT M20x1 5 NPT M20x1 5 NPT 1 2 3 Fig 15 Housing versions 1 Plastic single chamber 2 Stainless steel single cha...

Page 29: ...29 9 Supplement OPTISWITCH 3100 C Relay DPDT 29953 EN 210702 33 mm 1 30 G1 ø 43 mm 1 69 22 mm 0 87 220 mm 8 66 150 mm 5 91 Fig 16 OPTISWITCH 3100 C threaded version G1 DIN ISO 228 1 ...

Page 30: ...30 9 Supplement OPTISWITCH 3100 C Relay DPDT 29953 EN 210702 ø 34 mm 1 34 178 mm 7 01 Fig 17 Temperature adapter ...

Page 31: ...31 9 Supplement OPTISWITCH 3100 C Relay DPDT 29953 EN 210702 9 3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Page 32: ... process analytics Flow metering monitoring wireless and remote metering solu tions Engineering commissioning calibration maintenance and train ing services Head Office KROHNE Messtechnick GmbH Ludwig Krohne Straße 5 47058 Duisburg Germany Tel 49 0 203 301 0 Tel 49 0 203 301 10389 info krohne de The current list of all KROHNE contacts and addresses can be found at www krohne com ...

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