KROHNE OPTISWITCH 3200 C, Handbook

Page 1: ...OPTISWITCH 3200 C Handbook Vibrating Level Switch NAMUR ...

Page 2: ... 7 3 2 Principle of operation 8 3 3 Adjustment 8 3 4 Storage and transport 9 4 Mounting 10 4 1 General instructions 10 4 2 Mounting instructions 11 5 Connecting to power supply 16 5 1 Preparing the connection 16 5 2 Connection procedure 16 5 3 Wiring plan single chamber housing 17 6 Setup 19 6 1 General information 19 6 2 Adjustment elements 19 6 3 Function table 20 6 4 Proof test SIL 21 7 Mainten...

Page 3: ... 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: ...formation 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 in...

Page 5: ...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 operato...

Page 6: ...formation 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 relevant r...

Page 7: ...consists of the components Housing lid Housing with electronics Process fitting with tuning fork 1 2 3 Fig 1 OPTISWITCH 3200 C with plastic housing 1 Housing lid 2 Housing with electronics 3 Process fitting The type label 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 la...

Page 8: ...uously moni tors the following criteria Correct vibrating frequency Line break to the piezo drive If one of these faults is detected the electronics signals this via a defined current to the signal conditioning instrument The connection cable to the vibrating element is also monitored The tuning fork is piezoelectrically energised and vibrates at its mechanical resonance frequency of approx 150 Hz...

Page 9: ...device The delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or con cealed defects must be appropriately dealt with Up to the time of installation the packages must 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 foll...

Page 10: ...ambient 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 3200 C must be mounted vertically The instrument must be mounted in such a way that the vibrating element is at the height of the requested switching point Use the recommended cables see chapter Connecting to power supply and tighten the cable gland You can give your instr...

Page 11: ...ent 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 housi...

Page 12: ...alling the sensor in the vessel We recommend selecting an installation location where the vibrating fork detects an average value of the material cone The tuning fork must be mounted in a way that takes the arrangement of the filling and emptying apertures into account To compensate measurement errors caused by the material cone in cylindrical vessels the sensor must be mounted at a distance of d ...

Page 13: ...o avoid buildup For that reason avoid using mounting bosses for flanges and screwed fittings This applies particularly to use with adhesive products If OPTISWITCH 3200 C is mounted in the filling stream unwanted false measurement signals can be generated For this reason mount OPTISWITCH 3200 C at a position in the vessel where no disturbanc es e g from filling openings agitators etc can occur Moun...

Page 14: ... so that the surfaces are parallel to the product movement 1 2 Fig 6 Flow orientation of the tuning fork 1 Marking with screwed version 2 Direction of flow 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 Product flow Baffle protection against falling r...

Page 15: ...15 4 Mounting OPTISWITCH 3200 C NAMUR 31357 EN 210702 125 mm 5 120 mm 4 7 Fig 7 Baffle for protection against mechanical damage ...

Page 16: ...zardous areas must be given priority The data for power supply are specified in chapter Technical data The instrument is connected with standard two wire cable without screening If electromagnetic interference is expected which is above the test values of EN 61326 for industrial areas screened cable should be used Make sure that the cable used has the required temperature resist ance and fire safe...

Page 17: ... 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 cable entry gland The seal ring must completely encircle the cable 10 If necessary carry ...

Page 18: ... in the Technical data Ex technical data are specified in the attached Safety instructions manual 1 2 Fig 10 Wiring plan single chamber housing External simulation key In addition to the test key on the electronics module you can connect an external key to start the test procedure Connect the key according to the following wiring plan In shipping condition terminals 3 and 4 are bridged For additio...

Page 19: ...haracteristics reversal 3 Simulation key 4 Ground terminal 5 Connection terminals 6 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 potentiometer of OPTISWITCH 3200 C is set to the right stop 0 02 g cm or 0 0008 lbs in In case of very light weight solids turn the potentiometer to the l...

Page 20: ... ing unit is simulated The signal lamp on the sensor extinguishes The measuring system must signal a fault and take on a safe state when the key is pushed Keep in mind that downstream connected instruments will be acti vated during operation This allows you to check the correct function of the measuring system Control lamp LED for indication of the switching condition yellow High current 2 2 mA da...

Page 21: ... must neither be removed nor response must be triggered by filling the vessel This applies to OPTISWITCH 3200 C with NAMUR electronics module WE60N You can carry out the function test with the output current values also directly via a safety PLC or a process control system A function test can be carried out for measurement setups in conjunc tion with the NAMUR electronics module WE60N For this pur...

Page 22: ...e Keep in mind that the starting time tA of the voltage supply can extend the time up to the first switching After releasing the button or after a brief line break Sensor cur rent Level relay amplifier overflow protection Level relay ampli fier dry run protection Signal lamp amplifier overflow protection Signal lamp amplifi er dry run protection Signal lamp sensor 1 Low Current 3 s 1 s 1 mA energi...

Page 23: ...bmerged overfill protection OPTISWITCH 3200 C sig nals uncovered when being submerged dry run protection Operating voltage too low Check operating voltage Electronics defective Press the characteristic reversal switch If the instru ment then changes the mode the vibrating element may be covered with buildup or mechanically damaged Should the switching function in the correct mode still be faulty r...

Page 24: ...o 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 P...

Page 25: ... 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 seal ...

Page 26: ...sive 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 natio...

Page 27: ...ster 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 Ʋ Pipe thread cylindrical DIN 3852 A G1 Ʋ Ʋ Pi...

Page 28: ...g characteristic curve High current when immersed Ʋ Ʋ Max falling characteristics Low current when immersed Ambient conditions Ambient temperature on the housing 40 80 C 40 176 F Storage and transport temperature 40 80 C 40 176 F Process conditions Measured variable Limit level of solids Process pressure 1 6 bar 100 600 kPa 14 5 87 psig Process temperature OPTISWITCH 3200 C of 316L 20 80 C 4 176 F...

Page 29: ... Short circuit current IU approx 8 2 mA Electrical protective measures Protection rating A suitable cable is required for maintaining the protec tion rating Housing material Protection acc to IEC 60529 Protection acc to NEMA Plastic IP 66 IP 67 Type 4X Aluminium IP 66 IP 68 0 2 bar IP 68 1 bar Type 6P Type 6P Stainless steel electro polished IP 66 IP 68 0 2 bar IP 68 1 bar Type 6P Type 6P Stainles...

Page 30: ...TISWITCH 3200 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 chamber 3 Aluminium single chamber ...

Page 31: ...TCH 3200 C NAMUR 31357 EN 210702 G1 ø 43 mm 1 69 L 33 mm 1 30 22 mm 0 87 160 mm 6 30 150 mm 5 91 ø 43 mm 1 69 ø 11 mm 0 43 Fig 16 OPTISWITCH 3200 C threaded version G1 DIN ISO 228 1 L Sensor length see chapter Technical data ...

Page 32: ...32 9 Supplement OPTISWITCH 3200 C NAMUR 31357 EN 210702 9 3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Page 33: ...33 Notes OPTISWITCH 3200 C NAMUR 31357 EN 210702 ...

Page 34: ...34 Notes OPTISWITCH 3200 C NAMUR 31357 EN 210702 ...

Page 35: ...35 Notes OPTISWITCH 3200 C NAMUR 31357 EN 210702 ...

Page 36: ... 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 ...