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7 Maintenance and fault rectification

OPTISWITCH 4000 C • Transistor (PNP)

42372-EN-191122

Depending on the reason for the fault and the measures taken, the

steps described in chapter "

Set up

" may have to be carried out again.

7.3 How to proceed if a repair is necessary

If it is necessary to repair the instrument, please contact the responsi-

ble Krohne agency.

Reaction after fault recti-

fication

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Summary of Contents for OPTISWITCH 4000 C

Page 1: ...OPTISWITCH 4000 C Handbook Vibrating Level Switch Transistor PNP ...

Page 2: ...rinciple of operation 6 3 3 Adjustment 7 3 4 Supplementary cleaning procedures 7 3 5 Packaging transport and storage 8 4 Mounting 9 4 1 General instructions 9 4 2 Mounting instructions 11 5 Connecting to power supply 13 5 1 Preparing the connection 13 5 2 Wiring plan 14 6 Setup 18 6 1 Indication of the switching status 18 6 2 Simulation 18 6 3 Function table 19 7 Maintenance and fault rectificatio...

Page 3: ...ed 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 person...

Page 4: ... 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 operator is responsi ble for the trouble free operation of...

Page 5: ...egal requirements of the applicable EU direc tives By affixing the CE marking we confirm the conformity of the instrument with these directives The EU conformity declaration can be found on our homepage 2 7 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 sh...

Page 6: ...umber Serial number Technical data Article numbers documentation 3 2 Principle of operation OPTISWITCH 4000 C is a point level sensor with tuning fork for point level detection It is designed for industrial use in all areas of process technology and can be used in liquids Typical applications are overfill and dry run protection With a tuning fork of only 38 mm length OPTISWITCH 4000 C can be also ...

Page 7: ...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 supply are specified in chapter Technical data 3 3 Adjustment The switching status of OPTISWITCH 4000 C can be checked when the housing is closed signal lamp Products with a density 0 7 g cm 0 025 ...

Page 8: ... instructions can cause damage to the 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 packa...

Page 9: ...c to DIN EN IEC ANSI ISA UL CSA 61010 1 In general OPTISWITCH 4000 C can be installed in any position The instrument only has to be mounted in such a way that the tuning fork is at the height of the desired switching point Keep in mind that the swichting point can vary dependent on the installation position The switching point refers to the medium water 1 g cm 0 036 lbs in Please keep in mind that...

Page 10: ... gland Rain and condensation water can thus drain off This applies mainly to outdoor mounting as well as installation in areas where high humidity is expected e g through cleaning pro cesses or on cooled or heated vessels Fig 4 Measures against moisture ingress Do not hold OPTISWITCH 4000 C on the tuning fork The process fitting must be sealed if there is gauge or low pressure in the vessel Before...

Page 11: ...lding unscrew OPTISWITCH 4000 C and remove the rub ber ring from the welded socket The welded socket is provided with a marking notch For horizontal mounting weld the socket with the notch facing upward or downward in pipelines DN 25 to DN 50 aligned with the direction of flow 1 Fig 5 Marking on the welded socket 1 Marking In case of horizontal mounting in adhesive and viscous products the surface...

Page 12: ... signals can be generated For this reason mount OPTISWITCH 4000 C at a position in the vessel where no disturbanc es e g from filling openings agitators etc can occur To make sure the tuning fork of OPTISWITCH 4000 C generates as little resistance as possible to product flow mount the sensor so that the surfaces are parallel to the product movement Inflowing medium Product flow ...

Page 13: ...is above the test values of EN 61326 for industrial areas screened cable should be used Use cable with round cross section Depending on the plug connec tion you have to select the outer diameter of the cable respectively so that the seal effect of the cable gland is ensured Valve plug ISO 4400 ø 4 5 7 mm Valve plug ISO 4400 with IDC crimping technology ø 5 5 8 mm Use cable with a round wire cross ...

Page 14: ...ug ISO 4400 3 Valve plug ISO 4400 with IDC method of termination M12 x 1 plug connection This plug connection requires a prefabricated cable with plug De pending on the version protection IP66 IP67 or IP68 0 2 bar Valve plug ISO 4400 For this plug version standard cable with round wire cross section can be used Cable diameter 4 5 7 mm protection IP65 Housing overview Plug versions ...

Page 15: ...ontrol lamp 10 OPTISWITCH 4000 C Valve plug ISO 4400 with IDC method of termination For this plug version you can use standard cable with round wire cross section The inner conductors do not have to be stripped The plug connects the conductors automatically when screwing in Cable diameter 5 5 8 mm protection IP67 1 2 3 4 5 Fig 9 Connection valve plug ISO 4400 with IDC crimping technology 1 Compres...

Page 16: ...C Transistor PNP 42372 EN 191122 For connection to binary inputs of a PLC Max Min 3 2 1 3 2 1 RL RL PA PA Fig 10 Wiring plan Transistor output with valve plug ISO 4400 PA Potential equalisation RL Load resistance contactor relay etc Transistor output ...

Page 17: ...upply OPTISWITCH 4000 C Transistor PNP 42372 EN 191122 RL RL 1 4 2 3 1 4 2 3 Max Min Fig 11 Wiring plan housing transistor output with M12 x 1 plug connection 1 Brown 2 White 3 Blue 4 Black RL Load resistance contactor relay etc ...

Page 18: ...lation of the output signal which can be activated magnetically Please proceed as follows Hold the test magnet accessory against the circle symbol with the label TEST on the instrument housing Fig 12 Simulation of the output signal The test magnet changes the current switching condition of the instru ment You can check the change on the signal lamp Please note that all connected device are activat...

Page 19: ... the switching conditions depending on the set mode and the level Level Switching sta tus Control lamp Yellow cov erage Control lamp Green voltage indication Control lamp Red fault sig nal Max mode of op eration closed Max mode of op eration open Min mode of op eration closed Min mode of op eration open Fault any open any ...

Page 20: ...ke is to check the output signal In many cases the causes can be determined this way and the faults quickly rectified Error Cause Rectification Green signal lamp off Voltage supply in terrupted Check the voltage supply and the ca ble connection Electronics de fective Exchange the instrument or send it in for repair Red signal lamp lights switching output high im pedance Error with the electrical c...

Page 21: ...ding on the reason for the fault and the measures taken the steps described in chapter Set up may have to be carried out again 7 3 How to proceed if a repair is necessary If it is necessary to repair the instrument please contact the responsi ble Krohne agency Reaction after fault recti fication ...

Page 22: ...cialised recycling companies We use recyclable materials and have designed the electronics to be easily separable WEEE directive The instrument does not fall in the scope of the EU WEEE directive Article 2 of this Directive exempts electrical and electronic equipment from this requirement if it is part of another instrument that does not fall in the scope of the Directive These include stationary ...

Page 23: ...on wetted parts Ʋ Ʋ Housing 316L and plastic PEI Ʋ Ʋ Cable gland PA stainless steel brass Ʋ Ʋ Sealing cable gland NBR Ʋ Ʋ Blind plug cable gland PA Plug connector M12 x 1 Ʋ Ʋ Contact support PA Ʋ Ʋ Contacts CuZn nickel layer and 0 8 µm gold plated Ʋ Ʋ Plug seal FKM Plug connector according to ISO 4400 Ʋ Ʋ Contact housing plug PA Ʋ Ʋ Lid screw StSt Ʋ Ʋ Contact surface Sn Ʋ Ʋ Plug seal Silicone Weig...

Page 24: ...conditions Ambient temperature on the housing 40 70 C 40 158 F Storage and transport temperature 40 80 C 40 176 F Process conditions Process pressure 1 64 bar 100 6400 kPa 14 5 928 psig Process temperature Standard 40 100 C 40 212 F 1 2 0 C 32 F 20 C 4 F 40 C 104 F 20 C 68 F 80 C 176 F 60 C 140 F 40 C 40 F 0 C 32 F 70 C 158 F 50 C 122 F 40 C 40 F 100 C 212 F Fig 13 Dependendency ambient temperatur...

Page 25: ...ity Ʋ Ʋ Standard sensitivity 0 7 2 5 g cm 0 025 0 09 lbs in Ʋ Ʋ High sensitivity can be ordered optionally 0 5 2 5 g cm 0 018 0 09 lbs in Adjustment Plug connections Specification see Connecting to voltage supply Signal lamps LEDs Ʋ Ʋ Green Voltage supply on Ʋ Ʋ Yellow Vibrating element covered Ʋ Ʋ Red Fault Output variable Output Transistor output PNP Load current max 250 mA output permanently sh...

Page 26: ...1 in Ʋ Ʋ Connection frequency 10 x on the same cross section Electrical protective measures Protection rating Ʋ Ʋ Valve plug ISO 4400 IP65 acc to IEC 60529 Type 3SX acc to NEMA Ʋ Ʋ Valve plug ISO 4400 with IDC method of termination IP67 acc to IEC 60529 Type 4X acc to NEMA Ʋ Ʋ M12 x 1 plug connection IP66 IP67 acc to IEC 60529 Type 4X acc to NEMA or IP68 0 2 bar acc to IEC 60529 Type 6P acc to NEM...

Page 27: ...8 mm 1 5 G 1 1 NPT R 1 52 mm 2 05 46 mm 1 81 M12 x 1 SW 32 mm 1 26 38 mm 1 5 62 mm 2 44 ø 31 7 mm 1 25 ø 17 mm 0 67 G1 2 1 2 NPT R 1 2 1 48 mm 1 98 20 mm 0 79 11 mm 0 43 10 mm 0 39 Fig 15 OPTISWITCH 4000 C standard version threaded fittings 1 Thread G DIN ISO 228 1 NPT M12 x 1 plug1 2 Thread G DIN ISO 228 1 NPT valve plug ISO 4400 3 Thread G1 DIN ISO 228 1 1 NPT valve plug ISO 4400 with DC method ...

Page 28: ...43 4 77 mm 3 03 10 mm 0 39 ø 21 3 mm 0 84 78 mm 3 07 67 mm 2 64 38 mm 1 5 G 1 1 NPT R 1 42 mm 1 65 28 mm 1 1 42 mm 1 65 35 mm 1 38 27 mm 1 06 36 mm 1 42 52 mm 2 05 46 mm 1 81 Fig 16 OPTISWITCH 4000 C high temperature versions threaded fittings 1 Thread G DIN ISO 228 1 NPT M12 x 1 plug2 2 Thread G DIN ISO 228 1 NPT valve plug ISO 4400 3 Thread G1 DIN ISO 228 1 1 NPT valve plug ISO 4400 with DC meth...

Page 29: ...ings 1 Clamp M12 x 1 plug3 2 Slotted nut M12 x 1 plug 3 SMS 1145 M12 x 1 plug 4 Hygienic fitting with compression nut M12 x 1 plug 5 Switching point L1 Length with Clamp Clamp 1 90 mm 3 54 in Clamp 1 90 mm 3 54 in Clamp 2 89 mm 3 50 in L2 Length with slotted nut DN25 PN40 98 mm 3 86 in DN40 PN40 103 mm 4 06 in DN50 PN25 104 mm 4 09 in L3 Length with SMS DN38 PN6 94 mm 3 70 in L4 Length with asepti...

Page 30: ...30 9 Supplement OPTISWITCH 4000 C Transistor PNP 42372 EN 191122 9 3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Page 31: ...31 Notes OPTISWITCH 4000 C Transistor PNP 42372 EN 191122 ...

Page 32: ...ers Vortex flowmeters Flow controllers Level meters Temperature assemblies Pressure transmitters Analysis products Products and systems for the oil and gas industry KROHNE Messtechnick GmbH Co KG Ludwig Krohne Straße 5 D 47058 Duisburg 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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