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Micropilot FMR50 - 76 Pages

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Micropilot FMR50

Catalog excerpts

Level Pressure Flow Temperature Liquid Registration Systems Services Solutions Analysis Components Technical Information Level radar Level measurement in liquids Continuous, non-contact level measurement of liquids, ■ Attractively-priced device for basic supply and storage applications as well as utility processes ■ Encapsulated PVDF or PP cladded horn antenna ■ Maximum measuring range: 30 m (98 ft); for version with enhanced dynamics: 40 m (131 ft) ■ Process connection : 1V2" thread , mounting bracket or with slip-on flange Your benefits ■ Reliable measurement even for changing product and process conditions ■ Integrated data memory (HistoROM) for high ■ Intuitive operating menu in national languages for easy commissioning ■ Simple integration into control or asset management ■ Exact diagnostic and process information to assist fast ■ International approvals for use in hazardous areas homogeneous or heterogeneous redundancy ■ System integration via HART/PROFIBUS PA (Profile People for Process Automation

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Table of contents Micropilot FMR50 Table of contents Important document information . . . . . . . . . . . . . . . . 3 Electromagnetic compatibility (EMC) . . . . . . . . . . . . . . . . . 48 Document conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Function and system design . . . . . . . . . . . . . . . . . . . . 5 Measuring principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Process temperature...

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Important document information Document conventions Safety symbols Electrical symbols Symbols for certain types of information

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Micropilot FMR50 Function and system design Measuring principle The Micropilot is a "downward-looking" measuring system, operating based on the time-of-flight method (ToF). It measures the distance from the reference point (process connection) to the product surface. Radar impulses are emitted by an antenna, reflected off the product surface and received again by the radar system. R 100% D E F L 0% A0017870 Setup parameters of the Micropilot å1 R E F D L Reference point of the measurement (lower edge of the flange or threaded connection) Empty calibration ( = zero) Full calibration (= span)...

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Micropilot FMR50 Output The Micropilot is commissioned by entering an empty distance "E" (=zero), a full distance "F" (=span) and application parameters. The application parameters are automatically adapt into the instrument to the process conditions. For models with a current output, the factory adjustment for zero point "E" and span "F" is 4 mA and 20 mA. For digital outputs and the display module, the factory adjustment for zero point "E" and span "F" is 0 % and 100 %. A linearization with max. 32 points, based on a table entered either manually or semi-automatically, can be activated...

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Measured variable The measured variable is the distance between the reference point and the product surface. Subject to the empty distance entered "E" the level is calculated. Alternatively, the level can be converted into other variables (volume, mass) by means of linearization (32 Measuring range Maximum measuring range Usable measuring range The usable measuring range depends on the size of the antenna, the reflectivity of the medium, the mounting location and eventual interference reflections. The following tables describe the groups of media as well as the achievable measuring range as...

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Process tank with agitator Stilling well Turbulent surface. Single stage agitator (fI0t < 1 Hz) Antenna size Antenna size

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Operating frequency K-band (~ 26 GHz) Up to 8 Micropilot transmitters can be installed in the same tank because the transmitter pulses are statistically coded. Transmitting power 1) Product structure, feature 540: "Application package", option EM: "Advanced dynamics"

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Output signal HART FOUNDATION Fieldbus (in preparation) Switch output I I For HART devices, the switch output is available as an option. See product structure, feature 20: "Power Supply, Output", option B: "2-wire; 4-20mA HART, switch output" Devices with PROFIBUS PA and FOUNDATION Fieldbus always have a switch output.

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Signal on alarm Depending on the interface, failure information is displayed as follows: ■ Current output (for HART devices) - Failsafe mode selectable (in accordance with NAMUR Recommendation NE 43): Maximum alarm (= factory setting): 22 mA - Failsafe mode with user-selectable value: 3.59 to 22.5 mA - Status signal (in accordance with NAMUR Recommendation NE 107) - Plain text display ■ Operating tool via digital communication (HART, PROFIBUS PA, FOUNDATION Fieldbus) or service - Status signal (in accordance with NAMUR Recommendation NE 107) - Plain text display Linearization The...

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FOUNDATION Fieldbus (in preparation)

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Transducer Blocks 1) depending on the configuration of the block Function Blocks

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EX Up to 20 blocks can be instantiated in the device altogether, including the blocks already instantiated

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Micropilot FMR50 Power supply Terminal assignment 2-wire: 4-20mA HART 9 8 2- w 4-2 ire le 0 v 0m ope A n + 2 4 5 1 6 - 2 10 1 Sp a 711 re pa 08x rt xx mm A 4... HA 20mA RT el 4-2 HA mA [21 RT ] + + – – 4...20 mA 3 B 7 1 2 4 1-c 5 han [16 ] nel ove + 1 4-2 2 rvo 0m A ltag ep rote ctio n + + – – 711 286 17 4...20 mA 3 A0011294 å3 A B 1 2 3 4 5 6 7 8 9 16 Terminal assignment 2-wire; 4-20mA HART Without integrated overvoltage protection With integrated overvoltage protection Active barrier with power supply (e.g. RN221N): Observe terminal voltage (® ä 24) HART communication resistor (³250 W):...

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Micropilot FMR50 2-wire: 4-20mA HART, switch output 10 9 8 2- w 4-2 ire 0 HA mA [02 RT /03 ] PF S ope 7 + 1 2 6 10 4- + + – ³250W 2 3 1 Sp a 711 re pa 08x rt xx mm + + 3 -1 4 2 3+ n 4... HA 20 mA RT A 4...20 mA 4 5 B 3+ + 3 4-2 4 11 0m 2-c han 4[17 nel ] A/ ove rvo + 1 4-2 2 FIE 0mA LD / BU ep S ro ltag tec t + 711 286 19 – ³250W 1 ion + 2 3 4...20 mA 4 5 A0013759 å4 A B 1 2 3 4 5 6 7 8 9 10 11 Endress+Hauser Terminal assignment 2-wire; 4-20mA HART, switch output Without integrated overvoltage protection With integrated overvoltage protection Active barrier with power supply (e.g. RN221N):...

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