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With regard to the supply of products, the current issue of the following document is applicable:

The General Terms of Delivery for Products and Services of the Electrical Industry,

published by the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und

Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the supplementary clause:

"Expanded reservation of proprietorship".

Level Probe LGC2

Summary of Contents for LGC2

Page 1: ...ISO9001 Level Probe LGC2 Hydrostatic Level Measurement 4 to 20 mA Analog PROCESS AUTOMATION MANUAL...

Page 2: ...ms of Delivery for Products and Services of the Electrical Industry published by the Central Association of the Electrical Industry Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its m...

Page 3: ...t Safety 14 3 Product Description 15 3 1 Function 15 4 Incoming Acceptance and Product Identification 16 4 1 Incoming Acceptance 16 4 2 Product Identification 17 4 3 Nameplates 17 4 4 Storage and Tran...

Page 4: ...umption 31 6 5 Current Consumption 31 6 6 Maximum Load for Device 4 to 20 mA Analog 32 6 7 Connecting the Measuring Unit 33 6 8 Post connection check 34 7 Operation 35 7 1 Overview of Operation 35 8 D...

Page 5: ...ntent 2017 02 5 12 Technical Specifications 42 12 1 Input 42 12 2 Output 43 12 3 Performance Characteristics 45 12 4 Ambient Conditions 47 12 5 Process Conditions 49 12 6 Additional Technical Specific...

Page 6: ...actions It is mandatory that you observe these warning messages for your personal safety and in order to avoid property damage Depending on the risk level the warning messages are displayed in descend...

Page 7: ...rminal through which alternating current or direct current flows Ground connection A grounded terminal which as far as the operator is concerned is grounded via a grounding system Protective ground co...

Page 8: ...rred Indicates procedures processes or actions that are preferred Forbidden Indicates procedures processes or actions that are forbidden 1 2 3 Series of steps Result of a sequence of actions Visual ch...

Page 9: ...05O These manual contain all the information that is required in various phases of the life cycle of the device from product identification incoming acceptance and storage to mounting connection opera...

Page 10: ...2017 02 10 Level Probe LGC2 Important Document Information 1 4 Terms and Abbreviations Figure 1 1 URL OPL MWP LRL 0 p LRV URV 1 2 3 4...

Page 11: ...essure of the selected components i e the process connection has to be taken into consideration in addition to the measuring cell Also observe pressure temperature dependency For the relevant standard...

Page 12: ...5 bar 0 to 75 psi Lower range value LRV 0 bar 0 psi Upper range value URV 5 bar 75 psi TD URL URV LRV TD 10 bar 150 psi 5 bar 75 psi 0 bar 0 psi 2 In this example the TD is 2 1 This span is based on...

Page 13: ...Intended Use 2 2 1 Application and Media The device is a hydrostatic pressure sensor for measuring the level of fresh water wastewater and salt water The temperature is measured simultaneously in the...

Page 14: ...or the facility when the device is used in the approval related area e g explosion protection pressure vessel safety Check the nameplate to verify if the device ordered can be put to its intended use...

Page 15: ...citance caused by the movement of the process isolating diaphragm is measured at the electrodes of the ceramic carrier The electronics unit then converts this to a signal that is proportional to the p...

Page 16: ...he nameplates correspond to the order specifications on the delivery note Is the documentation available If required see nameplate Are the instruction manuals SI present Table 4 1 Note If one of these...

Page 17: ...ing The meaning of the individual letters and digits is explained in the order confirmation details 2 Extended order number complete 3 Serial number for clear identification 4 TAG device tag 5 Device...

Page 18: ...inch Figure 4 3 1 Approval symbol 2 Reference to associated documentation 3 Approval number Mat 316L 1 4435 1 4404 Al O PE EPDM PPO 2 3 For use in drinking water according to 250002737 B 1 2 3 1 Seria...

Page 19: ...40 to 100 C 40 to 212 F 4 4 2 Transporting the Product to the Measuring Point 4 5 Scope of Delivery The scope of delivery comprises Level probe LGC2 optionally with integrated Pt100 resistance thermom...

Page 20: ...d as an accessory 3 Bending radius of extension cable 120 mm 4 72 inch 4 Mounting clamp can be ordered as an accessory 5 Probe connection extension cable cable length 6 Guide tube 7 Level probe LGC 8...

Page 21: ...Fuchs provides humidity and climatic protection and is suitable for installation outdoors see chapter 11 Cable length tolerance 5 m 16 foot 17 5 mm 0 69 inch 5 m 16 foot 0 2 If the cable is shortened...

Page 22: ...ble 1 and the device into account when selecting the fastening point 2 Push up the clamping jaws 3 Place the extension cable 1 between the clamping jaws as shown in the diagram 3 Hold the extension ca...

Page 23: ...h the clamping sleeves 4 into the adapter 5 7 Fit the cover 2 with the sealing ring 3 onto the adapter 5 and securely screw together with the adapter 1 Probe connection extension cable 2 Cover for cab...

Page 24: ...lt in injuries Only mount the device with cable mounting screw in unpressurized containers 1 Mounting screws 2 Mounting springs 3 HUT temperature head transmitter 4 Circlips 5 Terminal box 1 3 2 6 5 4...

Page 25: ...of screwdriver blade max 6 mm 0 24 inch Figure 5 6 Warning Property damage from wrong mounting If you tighten the mounting screws too tightly this can damage the temperature head transmitter Do not o...

Page 26: ...thout the optional HUT temperature head transmitter a terminal block is provided with the terminal box for the purpose of wiring the Pt100 resistance thermometer Figure 5 7 5 9 Cable Marking Figure 5...

Page 27: ...ly Ordering information product structure feature Accessories option WP 5 11 Post installation check Is the device undamaged visual inspection Does the device conform to the measuring point specificat...

Page 28: ...s as standard see chapter 1 3 Warning Danger to life from wrong electrical connection Incorrect electrical connection of the device can compromise its function and its electrical safety The supply vol...

Page 29: ...stance thermometer not for use in hazardous areas ordering information feature Accessories option BN a Not for the level probe with external diameter of 29 mm 1 14 inch b 10 5 to 30 V DC hazardous are...

Page 30: ...of circuits If you connect or disconnect energized circuits in a potentially explosive atmosphere sparks can ignite the surrounding atmosphere Only connect or disconnect energized circuits in the abse...

Page 31: ...mitter connection max 1 75 mm2 15 AWG 6 4 Power Consumption 6 4 1 Level probe and Pt100 optional 0 805 W at 35 V DC non hazardous areas 0 690 W at 30 V DC hazardous areas 6 4 2 HUT Temperature Head Tr...

Page 32: ...e subtracted from the value calculated as shown in the equation B Load diagram for HUT temperature head transmitter for estimating the load resistance Additional resistances must be subtracted from th...

Page 33: ...unit as shown in the graphic Figure 6 4 A Power supply display and evaluation unit with one input for Pt100 resistance thermometer B Power supply display and evaluation unit with one input for 4 to 2...

Page 34: ...ce undamaged visual inspection Do the cables comply with the requirements Do the cables have adequate strain relief Are all cable glands installed firmly tightened and correctly sealed Does the supply...

Page 35: ...units for the device and the HUT temperature head transmitter 7 1 Overview of Operation No display or other operation facility is required to operate the device Note Your Pepperl Fuchs service organi...

Page 36: ...ary Output current 3 6 mA Signal line is not wired correctly Electronics unit is defective Check wiring Table 8 1 Error Reason Solution No measuring signal 4 to 20 mA cable not connected correctly Con...

Page 37: ...than max load resistance Error current 3 6 mA or 21 mA Pt100 resistance thermometer not connected correctly Connect device see chapter 6 4 to 20 mA cable not connected correctly Connect device see ch...

Page 38: ...tamination Check the process isolating diaphragm for buildup at suitable intervals 9 1 Exterior cleaning Please note the following points when cleaning the device The cleaning agents used should not c...

Page 39: ...vered According to legal regulations Pepperl Fuchs as an ISO certified company is required to follow certain procedures when handling returned products that are in contact with medium To ensure swift...

Page 40: ...minal block terminals 4 terminal block for wiring HUT temperature head transmitter for device with 4 to 20 mA Analog Temperature head transmitter for the conversion of various input signals Product st...

Page 41: ...fers a testing adapter to easy function testing of the level probes Product structure feature Accessories option VP Testing adapter for device with outer diameter 42 mm 1 65 inch Pepperl Fuchs offers...

Page 42: ...al Relative pressure Measuring range bar psi Lowest calibratable span 1 bar psi 1 Largest turn down that can be configured at the factory 10 1 higher turn down can be configured on request Vacuum resi...

Page 43: ...pendent resistance value HUT temperature head transmitter optional for device with 4 to 20 mA Analog 4 to 20 mA Analog for temperature measured value 2 wire 12 2 2 Signal Range 3 8 to 20 5 mA Measurin...

Page 44: ...from the value calculated as shown in the equation B Load diagram for HUT temperature head transmitter for estimating the load resistance Additional resistances must be subtracted from the value calcu...

Page 45: ...Calibration temperature 23 C 73 F 5 K 12 3 2 Reference Accuracy Level probe and Pt100 optional The reference accuracy comprises the non linearity after limit point configuration hysteresis and non re...

Page 46: ...put and the output span 0 to 30 C 32 to 86 F 0 15 0 15 x TD of set span 10 to 70 C 14 to 158 F 0 4 0 4 x TD of set span Temperature coefficient TK of the zero output and the output span 10 to 70 C 14...

Page 47: ...40 to 85 C 40 to 185 F Temperature head transmitter 2 wire configured for a measuring range of 20 to 80 C 4 to 176 F This configuration offers a temperature range of 100 K which can be easily mapped P...

Page 48: ...requirements of EN 61326 series For details refer to the Declaration of Conformity Maximum deviation 0 5 of span HUT temperature head transmitter optional for device with 4 to 20 mA Analog Interferenc...

Page 49: ...be easily mapped Please note that the Pt100 resistance thermometer is suitable for a temperature range of 10 to 70 C 14 to 158 F 12 5 2 Medium Temperature Limit Level probe and Pt100 optional With ex...

Page 50: ...function 6 Documentation 9 E Exterior cleaning 38 H Hazardous area 14 I Incoming acceptance 16 Incorrect use 13 Intended use 13 M Maintenance 38 Media 13 Modifications to the device 14 N Nameplate 17...

Page 51: ...Level Probe LGC2 Index 2017 02 51 S Safety instructions 13 Scope of delivery 19 Spare Parts 39 Storage 18 T Transport 18 Troubleshooting 36 W Workplace safety 13...

Page 52: ...om Worldwide Headquarters Pepperl Fuchs GmbH 68307 Mannheim Germany Tel 49 621 776 0 E mail info de pepperl fuchs com For the Pepperl Fuchs representative closest to you check www pepperl fuchs com co...

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