About this document Liquicap M FMI51 HART About this document Document conventions 1.1.1 Safety symbols DANGER This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or fatal injury. WARNING This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or fatal injury.
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Liquicap M FMI51 HART About this document Torx screwdriver Allen key Open-ended wrench 1.1.4 Symbols for certain types of information and graphics Permitted Procedures, processes or actions that are permitted Preferred Procedures, processes or actions that are preferred Forbidden Procedures, processes or actions that are forbidden Tip...
Basic safety instructions Liquicap M FMI51 HART Hazardous area Indicates the hazardous area Safe area (non-hazardous area) Indicates the non-hazardous area Safety instructions Observe the safety instructions contained in the associated Operating Instructions Temperature resistance of the connection cables Specifies the minimum value of the temperature resistance of the connection cables...
• the serial number on the nameplate into the Endress+Hauser Operations App or use the Endress+Hauser Operations App to scan the 2-D matrix code (QR Code) on the nameplate...
Incoming acceptance and product identification Liquicap M FMI51 HART L1 = Order Code.: IP66/ IP67 Ser.No.: L3 = NEMA4X Output: Dat.: A0040359 1 The nameplate Order number Serial number Electronic insert Electronic insert output value Ambient temperature at housing Max.
Liquicap M FMI51 HART Mounting Mounting Mounting requirements 4.1.1 Mounting the sensor The Liquicap M FMI51 can be installed from the top or from the bottom. Make sure that: • the probe is not installed in the area of the filling curtain •...
Mounting Liquicap M FMI51 HART 4.1.2 Support with marine approval (GL) Conductive or non-conductive support can be provided for fully insulated rod probes. Partially insulated rod probes may only be supported with insulation at the uninsulated end of the probe.
Liquicap M FMI51 HART Mounting 100% ≥ 500 (19.7) A0040419 Unit of measurement mm (in) Measuring range Inactive length When installing in a nozzle, use inactive length (L3). The 0 % and 100 % calibration can be inverted. Installation examples 4.3.1...
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Mounting Liquicap M FMI51 HART A0040425 2 A probe with the conductive tanks A0040426 3 A probe with ground tube for the nonconductive tanks Endress+Hauser...
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Liquicap M FMI51 HART Mounting A0040427 4 A probe with inactive length for the insulated tanks A0040428 5 A probe with ground tube and inactive length for mounting nozzles Endress+Hauser...
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Mounting Liquicap M FMI51 HART A0040429 6 A probe fully insulated with clad flange for aggressive media 4.3.2 Probe with separate housing L4 ≤ 6 m (20 ) A0040466 7 Connection of the probe and separate housing Explosive zone 1 Explosive zone 0 Rod length: max.
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Liquicap M FMI51 HART Mounting The maximum cable length L4 and rod length L1 cannot exceed 10 m (33 ft). The maximum cable length between the probe and separate housing is 6 m (20 ft). The required cable length must be indicated in the ordering process of a Liquicap M with separate housing.
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Mounting Liquicap M FMI51 HART Polyester housing (F15) • B: 64 mm (2.52 in) • H1: 166 mm (6.54 in) Aluminum housing (F17) • B: 65 mm (2.56 in) • H1: 177 mm (6.97 in) D and H5 parameter value •...
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Liquicap M FMI51 HART Mounting Wall mounting 1 → 2 → A0042318 A0042319 A0042320 ‣ ‣ ‣ Screw together the wall bracket Mark the distance between the Screw the separate housing on on the tube. holes on the wall before drilling.
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Mounting Liquicap M FMI51 HART If the cable connection has to be shortened or led through a wall, it must be separated from the process connection. Disconnecting the connection cable Make sure that the connecting cable and the probe is not turning with the pressing screw.
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Liquicap M FMI51 HART Mounting 7 → 8 → A0042117 A0042118 A0042119 ‣ ‣ ‣ Remove the blade plug from the Loosen the screw to disconnect Loosen the nut (M4) of the blade socket. the yellow and yellow-green plug. cables.
Mounting Liquicap M FMI51 HART gn/ye A0040734 9 Cable connections External screening (not required) Strand black (bk) (not required) Coaxial cable with central core and screening Solder the red (rd) strand with the central core of the coaxial cable (probe)
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Liquicap M FMI51 HART Mounting A0040476 4.4.1 Probe installation Probe with thread Cylindrical threads G½, G¾, G1, G1½ To be used with the elastomer fiber seal supplied or another chemically resistant seal. Make sure that the temperature resistance of a seal is correct.
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Mounting Liquicap M FMI51 HART Depending on process pressure and process temperature, check and re-tighten the screws at regular intervals. Recommended torque: 60 to 100 Nm (44.3 to 73.8 lbf ft). A0040477 Spring washer 4.4.2 Aligning the housing The housing can be rotated 270 ° to align with the cable entry. To prevent moisture penetration, route the connecting cable downwards in front of the cable gland and secure it with a cable tie.
Liquicap M FMI51 HART Electrical connection 4.4.3 Sealing the probe housing Make sure that the cover is sealed. Water cannot enter into the device when performing installation, connection and configuration tasks. Always seal the housing cover and cable entries securely.
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Electrical connection Liquicap M FMI51 HART 5.1.2 Electromagnetic compatibility (EMC) Interference emission to EN 61326, Electrical Equipment Class B. Interference immunity to EN 61326, Annex A (Industrial) and NAMUR Recommendation NE 21 (EMC). Failure current is in accordance with NAMUR NE43: FEI50H = 22 mA.
Liquicap M FMI51 HART Electrical connection PIN assignment for M12 connector A0011175 Positive potential Not used Negative potential Ground 5.1.5 Supply voltage All of the following voltages are terminal voltages directly at the device: • 12.0 to 36.0 V in the non-hazardous area •...
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Electrical connection Liquicap M FMI51 HART A0040635 Unscrew the housing cover. Remove the housing cover. Release the cable gland. Insert the cable. Connecting the electronic insert to the power supply mounted in the housing T13: Endress+Hauser...
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Liquicap M FMI51 HART Electrical connection A0040637 Unscrew the housing cover. Remove the housing cover. Release the cable gland. Insert the cable. 5.2.2 Terminal assignment 2-wire, 4 to 20 mA with HART The twin-core connecting cable is connected to the screw terminals with conductor cross-section 0.5 to 2.5 mm...
Liquicap M FMI51 HART Operation options 5.2.3 Connecting HART with other supply units A0040750 10 Remote control via HART protocol Transmitter power supply unit e.g. RN221N with communication resistor Connection output for Commubox FXA191, FXA195 Computer with control software (DeviceCare or FieldCare, AMS Device Manager, SIMATIC PDM)
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Operation options Liquicap M FMI51 HART • the operating elements at the FEI50H electronic insert • the display and operating module • the HART protocol with Commubox FXA195 and FieldCare operating program • the HART handheld terminal DXR375 6.1.1 Display and operating elements at the FEI50H electronic insert 4...20mA...
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Liquicap M FMI51 HART Operation options • 5: Measuring range: select the measuring range in pF for: - measuring range probe length < 6 m (20 ft) corresponds to 2 000 pF - measuring range probe length > 6 m (20 ft) corresponds to 4 000 pF •...
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Operation options Liquicap M FMI51 HART 6.1.2 Operation via the optional display and operating module Display and operating elements A0040480 12 Display and operating elements Menu title Item code of a displayed function Key symbols Hardware keys Symbols on the display Operating mode of the device •...
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Liquicap M FMI51 HART Operation options A0032709 Due to editing a function: exits the editing mode for the current function Due to navigating: returns to the next-highest menu level Increase contrast A0032710 Increases the contrast of the display module Decrease contrast...
6.2.1 Function scope FDT-based plant asset management tool from Endress+Hauser. It can configure all smart field devices in a system and helps you manage them. By using the status information, it is also a simple but effective way of checking their status and condition.
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