Related Manuals for Pepperl+Fuchs LGC2
Summary of Contents for Pepperl+Fuchs LGC2
- Page 1 PROCESS AUTOMATION TECHNICAL INFORMATION Level Probe LGC2 Hydrostatic Level Measurement ISO9001...
- Page 2 Application The device is a pressure sensor for hydrostatic level measurement. Pepperl+Fuchs offers three different versions of the device: • Device with a stainless steel housing, external diameter of 22 mm (0.87 inch): This version is excellently suited to drinking water applications and for use in bore holes and wells with small diameters •...
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Page 3: Table Of Contents
Level Probe LGC2 Content Important Document Information ....... . . 6 Document Conventions . - Page 4 Level Probe LGC2 Content Performance Characteristics ........25 Reference Conditions .
- Page 5 Level Probe LGC2 Content 10.5 Dimensions of the HUT Temperature Head Transmitter ..37 10.6 Terminal Box with Integrated HUT Temperature Head Transmitter . 37 10.7 Additional Weight ......... . 38 10.8 Testing Adapter .
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Page 6: Important Document Information
Level Probe LGC2 Important Document Information Important Document Information Document Conventions 1.1.1 Symbols Used This document contains symbols for the identification of warning messages and of informative messages. Warning Messages You will find warning messages, whenever dangers may arise from your actions. It is mandatory that you observe these warning messages for your personal safety and in order to avoid property damage. -
Page 7: Electrical Symbols
Level Probe LGC2 Important Document Information 1.1.2 Electrical symbols Symbol Meaning Direct current A terminal to which DC voltage is applied or through which direct current flows. Alternating current A terminal to which alternating voltage is applied or through which alternating current flows. -
Page 8: Terms And Abbreviations
Level Probe LGC2 Important Document Information 1.1.4 Symbols in graphics Symbol Meaning 1, 2, 3 ... Item numbers Series of steps … A, B, C, ... Views A-A, B-B, C-C, ... Sections Hazardous area Indicates a hazardous area. Safe area (non-hazardous area) Indicates a non-hazardous location. - Page 9 Level Probe LGC2 Important Document Information Position Terms/abbreviations Explanation The OPL (over pressure limit = sensor overload limit) for the measuring device depends on the lowest-rated element, with regard to pressure, of the selected components, i. e. the process connection has to be taken into consideration in addition to the measuring cell.
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Page 10: Turn Down Calculation
Level Probe LGC2 Important Document Information Turn down calculation 1 = 2 Figure 1.2 Calibrated/adjusted span Zero point-based span (4 to 20 mA analog: customer-specific span can only be set at the factory when ordered) Upper range value Example • Sensor: 10 bar (150 psi) •... -
Page 11: Function And System Design
Level Probe LGC2 Function and System Design Function and System Design Device Versions Caution! Gas loss when using the device in biogas plants The device is not suitable for use in biogas plants since the gases can diffuse through the elastomers (seals, probe connection). - Page 12 Level Probe LGC2 Function and System Design Outer diameter 22 mm (0.87 inch) 42 mm (1.65 inch) max. 29 mm (1.14 inch) Options Drinking water approval – • Wide range of approvals, including ATEX, FM, CSA • Numerous accessories • Integrated Pt100 resistance thermometer and HUT temperature head transmitter...
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Page 13: Measuring Principle
Temperature measurement with optional Pt100 resistance thermometer For simultaneous measurement of level and temperature, Pepperl+Fuchs offers the device with an optional 4-wire Pt100 resistance thermometer. The Pt100 ressistance thermometer is categorized as Accuracy Class B as per DIN/EN 60751. -
Page 14: Measuring System
Temperature measurement with optional Pt100 resistance thermometer and HUT temperature head transmitter To convert the temperature signal to an analog, scalable 4 to 20 mA output signal, Pepperl+Fuchs also offers the HUT temperature head transmitter. Ordering information: product structure, feature "Accessories", option "XP". Measuring System... - Page 15 Level Probe LGC2 Function and System Design A: Easy and cost-effective measuring point solution: power supplied to the device in hazardous and non-hazardous areas via a transmitter power supply. Power supply and additional control of two appliances, such as pumps, via a trip amplifier with local display.
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Page 16: Communication Protocol
Level Probe LGC2 Function and System Design Level probe LGC Connection for integrated Pt100 in the device Temperature for 4 to 20 mA Level for 4 to 20 mA Surge protection device, e. g. on the sensor side for field installation: for DIN mounting rail mounting, selection in accordance with supply voltage, not for use in hazardous areas Surge protection device, e. -
Page 17: Input
Level Probe LGC2 Input Input Measured Value Level probe and Pt100 (optional) • Hydrostatic pressure of a liquid • Pt100: temperature HUT temperature head transmitter (optional) for device with 4 to 20 mA Analog Temperature Measuring Range • Customer-specific measuring ranges or calibration that has been preset in the factory •... -
Page 18: Input Signal
Level Probe LGC2 Input Input Signal Level probe and Pt100 (optional) • Change in capacitance • Pt100: change in resistance HUT temperature head transmitter (optional) for device with 4 ... 20 mA Analog Pt100 resistance signal, 4-wire... -
Page 19: Output
Level Probe LGC2 Output Output Output Signal Level probe and Pt100 (optional) • 4 to 20 mA Analog, 2-wire for hydrostatic pressure measured value. Ordering information: product structure, feature "Electrical output", option "I2". • Pt100: temperature-dependent resistance value HUT temperature head transmitter (optional) for device with... - Page 20 Level Probe LGC2 Output Note! When using the measuring device in hazardous areas, installation must comply with the corresponding national standards and regulations and the instruction manuals or installation or control drawings (SI, ZD).
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Page 21: Supply
Level Probe LGC2 Supply Supply Warning! Danger to life from wrong connection of the device The electrical safety of the device is not guaranteed. When using the measuring device in a hazardous area, the relevant national standards and guidelines as well as the instruction manuals (SI) or installation or control drawings (ZD) must be adhered to. -
Page 22: Connecting The Device
• The cable must end in a dry room or a suitable terminal box. The terminal box (IP66/IP67) with GORETEX filter from Pepperl+Fuchs is suitable for outdoor installation. The terminal ® box may be ordered as an accessory using the order code for the device, ordering information: product structure, feature "Accessories", option "SP". - Page 23 Level Probe LGC2 Supply Level probe with Pt100 and HUT temperature head transmitter for device with 4 to 20 mA Analog RD BK LGC 4 ... 20 mA Analog Figure 5.2 Not for the level probe with external diameter of 29 mm (1.14 inch) 10.5 to 35 V DC...
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Page 24: Terminals In The Terminal Box
PTFE filter Cable Resistance per wire: 0.09 /m Cable Specifications Pepperl+Fuchs recommends using shielded, twisted-pair two-wire cables. Note! The probe cables are shielded for device versions with outer diameters of 22 mm (0.87 inch) and 42 mm (1.65 inch). -
Page 25: Performance Characteristics
Level Probe LGC2 Performance Characteristics Performance Characteristics Reference Conditions Level probe and Pt100 (optional) • As per IEC 60770 • Ambient temperature T = constant, in the range: +21 to +33 °C (+70 to +91 °F) • Humidity = constant, in the range: 20 to 80 % r.F •... -
Page 26: Resolution
Level Probe LGC2 Performance Characteristics Resolution Current output: 1 A Long-Term Stability Level probe and Pt100 (optional) • 0.1 % of URL/year • 0.25 % of URL/5 years HUT temperature head transmitter (optional) for device with 4 to 20 mA Analog ... -
Page 27: Installation
Level Probe LGC2 Installation Installation Installation Instructions OPEN 90° CLOSE 90° Figure 7.1 Cable mounting screw can be ordered as an accessory Terminal box can be ordered as an accessory Bending radius of extension cable > 120 mm (4.72 inch) -
Page 28: Additional Installation Instructions
• Cable length tolerance: < 5 m (16 foot): ±17.5 mm (0.69 inch); > 5 m (16 foot): ±0.2 % • If the cable is shortened, the filter at the pressure compensation tube must be reattached. Pepperl+Fuchs offers a cable shortening kit for this purpose, see chapter 14. • Pepperl+Fuchs recommends using twisted, shielded cable. -
Page 29: Technical Data For Cable
Level Probe LGC2 Installation Figure 7.3 Length of probe connection (extension cable) Option Probe connection (extension cable) 10 m cable, shortable, PE 20 m cable, shortable, PE 30 foot cable, shortable, PE 60 foot cable, shortable, PE 10 m cable, shortable, FEP... -
Page 30: Cable Marking
Installation Cable Marking Figure 7.4 • To make installation easier, Pepperl+Fuchs marks the extension cable if a customer- specific length has been ordered. Ordering information: product structure, feature "Service", option "RI" or "SI". • Cable marking tolerance (distance to lower end of level probe): Cable length <... -
Page 31: Ambient Conditions
Level Probe LGC2 Ambient Conditions Ambient Conditions Ambient Temperature Range Level probe and Pt100 (optional) • With external diameter of 22 mm (0.87 inch) and 42 mm (1.65 inch): -10 to +70 °C (+14 to +158 °F) (= medium temperature) •... -
Page 32: Degree Of Protection
Level Probe LGC2 Ambient Conditions Degree of Protection Level probe and Pt100 (optional) IP68, permanently hermetically sealed at 20 bar (290 psi) (~200 m H2O) Terminal box (optional) IP66, IP67 HUT temperature head transmitter (optional) for device with 4 to 20 mA Analog... -
Page 33: Process Conditions
Level Probe LGC2 Process Conditions Process Conditions Medium Temperature Range Level probe and Pt100 (optional) • With external diameter of 22 mm (0.87 inch) and 42 mm (1.65 inch): -10 to +70 °C (+14 to +158 °F) • With external diameter of 29 mm (1.14 inch): 0 to +50 °C (+32 to +122 °F) -
Page 34: Mechanical Construction
Level Probe LGC2 Mechanical Construction Mechanical Construction 10.1 Dimensions of the Level Probe Ø8 (0.31) Ø8 (0.31) Ø8 (0.31) Ø22 (0.87) Ø42 (1.65) Ø29 (1.14) ≤ ±0.1 Ø42.5 (1.67) Figure 10.1 Ordering information: product structure, feature "Probe tube", option "S" or "Accessories"... -
Page 35: Dimensions Of The Suspension Clamp
Level Probe LGC2 Mechanical Construction 10.2 Dimensions of the Suspension Clamp 175 (6.89) 52 (2.05) Figure 10.2 Ordering information: product structure, feature "Accessories", option "OP" Measuring unit mm (inch) 10.3 Dimensions of Cable Mounting Screw G1-1/2A 1-1/2 Ø55(2.17) Figure 10.3 G1-1/2A, ordering information: product structure, feature "Accessories", option "PQ"... -
Page 36: Dimensions Of Terminal Box Ip66, Ip67 With Filter
Level Probe LGC2 Mechanical Construction 10.4 Dimensions of Terminal Box IP66, IP67 with Filter (2.36) ± 120 (4.72) 10 (0.39) 108.2 (4.26) Terminal Box OPEN 90° CLOSE 90° Warning: Avoid electrostatic charge in explosive atmosphere. See instructions Figure 10.4 Stopping plug M20 x 1.5 Cable gland M20 x 1.5... -
Page 37: Dimensions Of The Hut Temperature Head Transmitter
Level Probe LGC2 Mechanical Construction 10.5 Dimensions of the HUT Temperature Head Transmitter Ø5 (Ø0.19) Figure 10.5 Measurement unit mm (inch) Ordering information: product structure, feature "Accessories", option "XP", see chapter 14 10.6 Terminal Box with Integrated HUT Temperature Head Transmitter >... -
Page 38: Additional Weight
For device with external diameter of 22 mm (0.87 inch) or 29 mm (1.14 inch) • Pepperl+Fuchs offers a testing adapter to ease function-testing of the level probes. • Observe the maximum pressure for compressed air hose and maximum overload for level probe, see chapter 3. -
Page 39: Weight
Level Probe LGC2 Mechanical Construction ~25 (0.98) M14 x 1 Figure 10.8 LGC level probe connection Compressed air hose connection, internal diameter, quick coupling piece 4 mm (0.16 inch) Measuring unit mm (inch) 10.9 Weight Component Weight Level probe, external diameter of 22 mm (0.87 inch) 344 g Level probe, external diameter of 42 mm (1.65 inch) -
Page 40: Materials
Level Probe LGC2 Mechanical Construction 10.10 Materials Figure 10.9 Materials in contact with process Position Component Material • A: Level probe, external diameter of 316L (1.4404/1.4435) 22 mm (0.87 inch) • B: Level probe, external diameter of 42 mm (1.65 inch) •... - Page 41 Level Probe LGC2 Mechanical Construction Materials not in contact with process Position Component Material Pressure compensation tube Heat-shrink tube Polyolefin Table 10.3 Terminal box (not in contact with process) Figure 10.10 Housing, PC Mounting screws (4 x), A2 Seal, CR (chloropren rubber) Stopping plug M20 x 1.5, PBT-GF30...
- Page 42 Level Probe LGC2 Mechanical Construction Suspension clamp Figure 10.12 1.4404/316L and fiber-glass reinforced PA (polyamide) Additional weight Figure 10.13 1.4435/316L Testing adapter for device with outer diameter 22 mm (0.87 inch) or 29 mm (1.14 inch) Figure 10.14 Adapter, 1.4301/304...
- Page 43 Level Probe LGC2 Mechanical Construction Testing adapter for device with outer diameter 42 mm (1.65 inch) Figure 10.15 Adapter, 1.4301/304 Quick coupling piece, anodized aluminum Probe connection (extension cable) • Abrasion-resistant extension cable with • Abrasion-resistant extension cable strain relief members made of high- •...
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Page 44: Operation
Level Probe LGC2 Operation Operation No display or other operation facility is required to operate the device. However, the measured values can be read out with optional evaluation devices. -
Page 45: Certificates And Approvals
Level Probe LGC2 Certificates and Approvals Certificates and Approvals Note! The following documents are also available in the download area of the Pepperl+Fuchs website: www.pepperl-fuchs.com 12.1 CE Mark The device meets the legal requirements of the relevant EU directives. Pepperl+Fuchs confirms that the device has been successfully tested by applying the CE mark. -
Page 46: Calibration
Level Probe LGC2 Certificates and Approvals EN 61326: Electrical equipment for measurement, control and laboratory use - EMC requirements IEC/EN 61010-1: Protection Measures for Electrical Equipment for Measurement, Control, Regulation and Laboratory Procedures EN 60529: Degrees of protection provided by enclosures (IP code) 12.5... -
Page 47: Ordering Information
Level Probe LGC2 Ordering Information Ordering Information 13.1 Product Structure Note! This overview does not mark options which are mutually exclusive. Option with * = on request/in preparation Option with ** = multiple options can be selected Device LGC2 Level probe Reference accuracy Platinum, accuracy 0.1 %... - Page 48 Level Probe LGC2 Ordering Information Probe connection (extension cable) 10 m cable, shortable, PE 20 m cable, shortable, PE 30 foot cable, shortable, PE 60 foot cable, shortable, PE 10 m cable, shortable, FEP 20 m cable, shortable, FEP 30 foot cable, shortable, FEP...
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Page 49: Scope Of Delivery
Level Probe LGC2 Ordering Information Additional Options Calibration Factory calibration certificate, 5-point Service Cable marking > installation, specification in m: 2 to 299 m Cable marking > installation, specification in foot: 6 to 982 foot Special version Accessories Pt100 resistance thermometer, 4-wire... -
Page 50: Configuration Data Sheet
Level Probe LGC2 Ordering Information 13.3 Configuration Data Sheet Pressure The following configuration data sheet must be completed and included with the order if option "Customized pressure" has been selected for order code "Calibration, unit" in the product structure. Pressure unit... -
Page 51: Accessories
Level Probe LGC2 Accessories Accessories Note! Observe the additional information in the individual sections "Mechanical Construction", "Ambient Conditions", "Process Conditions", and "Installation". Designation Figure Description Ordering information Suspension clamp For easy installation of Product structure, feature the device, "Accessories", option Pepperl+Fuchs offers a "OP"... - Page 52 Level Probe LGC2 Accessories Designation Figure Description Ordering information Cable shortening kit The cable shortening kit Product structure, feature is used to shorten a cable "Accessories", option easily and professionally. "WP" Testing adapter for Pepperl+Fuchs offers a Product structure, feature...
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Page 53: Documentation
Level Probe LGC2 Documentation Documentation The documents listed are available on the product detail page of the appropriate product. 15.1 Technical Information (TI) Planning aid for your device: TI00431O The document contains all the technical data on the device and provides an overview of the accessories and other products that can be ordered for the device. -
Page 54: Registered Trademarks
Level Probe LGC2 Registered Trademarks Registered Trademarks GORE-TEX : Trademark of W.L. Gore & Associates, Inc., USA ®... - Page 55 Level Probe LGC2 Notes...
- Page 56 PROCESS AUTOMATION – PROTECTING YOUR PROCESS Worldwide Headquarters Pepperl+Fuchs GmbH 68307 Mannheim · Germany Tel. +49 621 776-0 TI00431O/98/EN/16.16 E-mail: info@de.pepperl-fuchs.com For the Pepperl+Fuchs representative closest to you check www.pepperl-fuchs.com/contact www.pepperl-fuchs.com Subject to modifications DOCT-0730A Copyright PEPPERL+FUCHS • Printed in Germany 02/2017...
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