Endress+Hauser Prothermo NMT539 Operating Instruction
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Endress+Hauser Prothermo NMT539 Operating Instruction

Endress+Hauser Prothermo NMT539 Operating Instruction

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BA01025G/08/EN/22.18
71397855
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Average Temperature
Prothermo NMT539
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  • Page 1 BA01025G/08/EN/22.18 Products Solutions Services 71397855 Operating Instruction Average Temperature Prothermo NMT539...

  • Page 2: Table Of Contents

    Table of contents Prothermo NMT539 Table of contents Safety Instructions ......3 Maintenance ....... . 40 Designated use .

  • Page 3: Safety Instructions

    Safety Instructions Designated use Average Temperature Prothermo NMT539 is a multi-spot Pt100 average thermometer combined with a local HART signal converter to meet the demand of temperature measurement for inventory control applications. NMT539 consists of Max. 6 temperature elements which have different length with fixed (2 m or 3 m) interval.

  • Page 4: Operational Safety

    • Ensure that all personnel are properly qualified. • Observe the certification requirements as well as national and local regulations. Changes or modifications other than those expressly approved by Endress+Hauser WARNING are strictly prohibited. Unauthorized modifications can cause malfunction or dam- age, resulting in serious injury or death.

  • Page 5: Identification

    2 Identification Prothermo NMT539 Identification Device designation 2.1.1 Nameplate The follow technical data are given on the instrument nameplate: PROTHERMO Order code Serial no. Span Mfg. Yamanashi 406-0846 N P - 2 1 6 2 - 5 Figure 1: NMT539 module nameplate...
  • Page 6 2 Identification Prothermo NMT539 Order code  Order code  Ex ia IIB T4 Ex ia IIB T4 Ui = 30 V, Ii = 120 mA, Pi = 1W, Ui = 30 V, Ii = 120 mA, Pi = 1 W, Ex496-826XJ...
  • Page 7 2 Identification Prothermo NMT539 IS Cl. I, Div. 1, Gp. C,D IS Cl. I, Div. 1, Gp. C,D Cl. I, Zone0, AEx ia IIB T4 Cl. I, Zone0, AEx ia IIB T NI Cl. I, Div. 2, Gp. C,D NI Cl. I, Div. 2, Gp. C,D...
  • Page 8 2 Identification Prothermo NMT539 Hersteller / Producer : PROTHERMO NMT539 Baujahr 14.70 Year of constr. 08.01 Tank-Nr. Tank no. prozess/proces +120 min. max. NP-2593-1 Figure 9: PTB W&M approval nameplate Ex ia IIB Ga/Gb Ex ia IIB T2..6 Gb IECEx KEM 10.0058X IECEx KEM 10.0058X...

  • Page 9: Order Information

    The device complies with the applicable standards and regulations as listed in the EC declaration of conformity and thus complies with the statutory require- ments of the EC directives. Endress+Hauser confirms the successful testing of the device by affixing to it the CE mark.

  • Page 10: Installation

    3 Installation Prothermo NMT539 Installation Incoming acceptance, transportation, and storage 3.1.1 Incoming acceptance Check the packing and contents for any signs of damage. Check the shipment, and make sure that nothing is missing and that the items match your order.

  • Page 11: Installation Conditions

    3 Installation Prothermo NMT539 Installation conditions 3.2.1 Dimensions 319 (12.56) Figure 13: Converter only (standard PF (NPS) 3/4 universal coupling connection), Unit of measurement: mm (in) 168 (6.61) 32 (1.26) Figure 14: Converter only (for Varec 1700 with M20 threaded connection), Unit of measurement: mm (in)
  • Page 12 3 Installation Prothermo NMT539 Converter + average temperature probe Ø104 (4.1) Ø36 (1.42) Ø32 (1.26) Figure 15: Dimensions for converter + average + temperature prob, Unit of measurement: mm (in) Adjustable installation height Height of the flange (depending on spec.) Length of the flexible tube (depending on tank height) (Margin of error for temp.
  • Page 13 3 Installation Prothermo NMT539 Converter + temperature + water bottom probe Ø104 (4.1) Ø45 (1.77) Ø32 (1.26) Ø45 (1.77) Figure 16: Dimension of Converter + average temperature probe + WB probe, Unit of measurement: mm (in) Adjustable installation height Height of the flange (depending on spec.) Length of the flexible tube (depending on tank height) (Margin of error for temp.
  • Page 14 3 Installation Prothermo NMT539 NMT539 No.1 element position (3.94) Figure 17:#1 Element Position, Transmitter + Temperature probe Unit of measurement: mm (in) Transmitter + Temperature probe + Water probe Distance from the bottom of the flange Position of No.1 element 3.2.2...
  • Page 15 3 Installation Prothermo NMT539 3.2.3 Handling of flexible tube Do not hold the flexible tube at a single point and lift the sensor. This may cause damage to the tube. Figure 19: Handling of flexible tube When winding the flexible tube, keep the diameter of the tube at a minimum of 1000 mm (39.37 in) or more.
  • Page 16 3 Installation Prothermo NMT539 3.2.4 Mounting of NMT539 • The flexible tube length of NMT539 is defined for the customer’s specifications. Before mounting, check as follows: Tag Number (if any) on the body of NMT539 Length of Flexible Tube Number of Measuring Points Intervals between Measuring Points •...
  • Page 17 3 Installation Prothermo NMT539 Wrapping sealing tape procedure Wrap the sealing tape around the screwed part shown below at a width of 30 mm (1.18 in) NOTICE or more to maintain high level of air sealing between flanges. When the installation height of the probe is set, lift the probe and mark the position of the bottom of the flange.

  • Page 18: Installation Guide For Nmt539

    3 Installation Prothermo NMT539 Safety precaution for use of NMT539 at temperature of -170°C When NMT539 is installed in cryogenic tanks, pressure in the flexible tube and electrical housing may decrease due to the rapid cooling of the tank processes. During commissioning of the temperature probe, loosen the terminal compartment cover to stabilize the pressure.
  • Page 19 3 Installation Prothermo NMT539 Top anchor method The flexible tube and water bottom sensor are fixed with a wire hook and a top anchor. 36 (1.42) 45 (1.77) Figure 25: Top anchor method, Unit of measurement: mm (in) Height from the bottom of the tank to the lowermost element...
  • Page 20 3 Installation Prothermo NMT539 Figure 26: Top anchor attachment-1 Tensioning wire Temperature probe Hook for wire Wire hook Water bottom probe Provided wire Using bolts, fix the mounting flange of Prothermo to the nozzle at the top of the tank.
  • Page 21 3 Installation Prothermo NMT539 Stilling well method The flexible tube and/or WB sensor are inserted into a stilling well with a diameter of 2 inches (50A) or more. Figure 28: Stilling well method, Unit of measurement: mm (in) Base plate/datum plate case 1...
  • Page 22 3 Installation Prothermo NMT539 Anchor weight method The flexible tube is fixed with an anchor weight. 36 (1.42) 45 (1.77) Figure 29: Anchor weight method, Unit of measurement: mm (in) Without water bottom sensor With water bottom sensor Transmitter (electrical compartment)
  • Page 23 3 Installation Prothermo NMT539 Anchor weight attachment procedure Insert the flexible tube and/or WB probe into a gasket and lower the flexible tube from the nozzle at the top of the tank. Rotate NMT539 for cabling in the most convenient way.
  • Page 24 3 Installation Prothermo NMT539 3.3.2 Mounting NMT539 on floating roof tank There are three methods of mounting NMT539 on a floating roof tank: Top Anchor Method Stilling Well Method Guide Wire Ring Method If a heating coil is attached to the bottom of the tank, the clearance between the bottom hook of the flexible tube and the bottom of the tank may vary depending on the type of heating coil.
  • Page 25 3 Installation Prothermo NMT539 Stilling well method The flexible tube and/or WB sensor probe are inserted into a stilling well with a diameter of 2 inches (50A) or more in the fixed pipe. 20 (0.79) Figure 32: Stilling well method, Unit of measurement: mm (in)
  • Page 26 3 Installation Prothermo NMT539 Guide ring and anchor weight method Flexible tube and/or WB sensor are fixed with a guide ring and anchor weight. 36 (1.42) 45 (1.77) Figure 33: Guide ring and anchor weight, Unit of measurement: mm (in)
  • Page 27 3 Installation Prothermo NMT539 3.3.3 Mounting NMT539 on pressurized tank Pressurized tank is required to install a stilling well to protect the probe from the pressure. Figure 34: Stilling well for pressurized tank NMS8x/NM5 Ball valve Measuring wire Displacer Stilling well...

  • Page 28: Protective Cover

    3 Installation Prothermo NMT539 Protective cover In case of NMT539 TIIS Ex d [ia] only available in Japan, a protective cover is required. Figure 36: Protective cover U bolt Water bottom adapter Protect cover Washer Boss Washer Spring washer Socket head cap screw...

  • Page 29: Wiring

    4 Wiring Prothermo NMT539 Wiring Mechanical connection for converter Preparation of mechanical connection Prior to the removal of the existing RTD temp. converter, check the following items. The items are also applicable for installation of converter of NMT539. • Element type (material and structure) •...
  • Page 30 4 Wiring Prothermo NMT539 Procedure of connecting threaded type connector Figure 38: Connecting Threaded Type Connector NMT539 connection side RTD probe connection side (To average temperature elements) Seal tape (not supplied) Cable for RTD signal, WB capacitance, probe NPS 3/4 connector (RTD probe side)

  • Page 31: Wiring Connection For Converter

    4 Wiring Prothermo NMT539 Wiring connection for converter Connection procedure of temperature signal cable Temperature signal cable is directly connected to NMT539 (converter only) input cable with simple terminal connectors (included). Select a pair cables. Strip cable ends approximately 10mm (1/2").

  • Page 32: Electrical Connection (Tiis, Ex D [Ia])

    4 Wiring Prothermo NMT539 Electrical connection (TIIS, Ex d [ia]) When NMT539 TIIS, Ex d [ia] is available only in Japan, Class A grounding directly from NMT539 is required. • The grounding cable for safety barrier should be connected independent of any other devices or pur- pose, according to Class A grounding standards.
  • Page 33 4 Wiring Prothermo NMT539 4.3.1 Connecting diagram Install wiring in manner to prevent current or voltage from causing electro magnetic interference on the intrinsically safe circuit. Figure 41: Connecting diagram Measuring device in a tank Ex ia compartment Ex d compartment (Terminal box) Ex ia circuit General machinery (20 to 26.4 VDC)

  • Page 34: Terminal Connection

    4 Wiring Prothermo NMT539 Terminal connection 4.4.1 NMT539 terminal (Ex ia) NMT539 (Ex ia) allows an intrinsically safe local HART connection. Refer to the CAUTION intrinsically safe regulation for establishing wiring and field device layout. H2- H2+ H1- H1+ Figure 42: NMT539 Terminals (ATEX, Ex ia) Temperature (water bottom sensor) data/Intrinsically safe HART on NMT539 (See Tips).
  • Page 35 4 Wiring Prothermo NMT539 4.4.2 NMS5/NMS7 terminal (ATEX, Ex d [ia]) Since NMT539 is an intrinsically safe instrument, the terminal connection to the Ex i side on local HART connection is allowed on NMS5 terminal housing. HOIST STOP Figure 43: NMS5 terminal...
  • Page 36 4 Wiring Prothermo NMT539 4.4.4 NMT539 (TIIS, Ex d [ia]) terminal NMT539 of Ex d [ia] allows a local HART connection available in Japan. Refer to the Local regulation for establishing wiring and field device layout. Local HART multi drop connection depends on approval type.
  • Page 37 4 Wiring Prothermo NMT539 4.4.5 NMS Ex d connection Connect NMT539 Ex d [ia] to Proservo Ex d local HART terminals. HOIST STOP Figure 46: NMS Ex d connection Power supply: 85 to 264VAC, 50/60 Hz or 20 to 62 VDC, 20 to 55 VAC...
  • Page 38 4 Wiring Prothermo NMT539 4.4.6 TGM5 and TMD1 terminal When TGM5 (except Sakura code (collector common), BCD (emitter common), BCD (collector com- mon) is equipped with local HART communication, it is possible to connect Ex d [ia] equipment, how- ever terminal number depends on the specification. See terminal figure for TGM5.
  • Page 39 4 Wiring Prothermo NMT539 01 L/+ 02 /N- 04 A1/+ 05 A2/- 06 B1/+ 07 B2/- 00 S 08 C1 09 C2 10 C3 11 C4 12 C5 13 C6 14 C7 15 C8 Figure 48: NRF590 terminals (TIIS Ex d)

  • Page 40: Maintenance

    • Check screw of adjustment parts Repairs The Endress+Hauser repair policy is based on the fact that the measuring devices have a modular design and that customers are able to undertake repairs themselves. Spare parts are contained in cor- responding kits along with their related replacement instructions. Contact Endress+Hauser service representatives for further assistance regarding service and spare parts.

  • Page 41: Accessories

    6 inches (150A) or more. 120 (4.72) Figure 49: Anchor Weight for High Profile, Option B, Unit of measurement: mm (in) Different dimensions, weight and material for the anchor weight are also available. Consult with Endress+Hauser representatives for further assistance. Item Description Weight...

  • Page 42: Anchor Weight For Low Profile

    6 Accessories Prothermo NMT539 Anchor weight for low profile The low profile anchor weight is mainly designed to fix WB (Water Bottom) sensor, securing it straight up without shortening WB measuring range. It is also suitable for an existing tank installation with a small nozzle opening for converter and temperature.

  • Page 43: Top Anchor

    6 Accessories Prothermo NMT539 Top anchor The standard process connection of the top anchor is NPT1 or R1 threaded connection. For top anchor and flange, different screw size, material, and special specification can be ordered. 52 (2.05) Figure 52: Top anchor dimensions, Unit of measurement: mm (in)

  • Page 44: Troubleshooting

    7 Troubleshooting Prothermo NMT539 Troubleshooting System error messages Code Text Description Action No Error presence No error Not necessary. Check the module connector attachment, and check resistance on Common line open Common line is open. common (white/black spiral or white/violet spiral) cable to #1 tem- perature element cable (brown).
  • Page 45 7 Troubleshooting Prothermo NMT539 Code Text Description Action Check connector attachment, and check resistance on common Temperature element signal cable (#8) is #8 element short (white/black spiral or white/violet spiral) line to #8 temperature ele- short circuited. ment cable (gray).
  • Page 46 7 Troubleshooting Prothermo NMT539 Code Text Description Action Check connector attachment on the electronic module, and check Temperature element signal cable (#16) is #16 element short resistance on common (white/black spiral or white/violet spiral) line an short circuit. to #16 element line (white/blue spiral).

  • Page 47: Return

    The measuring device must be returned if repairs or a factory calibration are required, or if the wrong measuring device has been ordered or delivered. According to legal regulations, Endress+Hauser, as an ISO-certified company, is required to follow certain procedures when handling returned products that are in contact with medium.

  • Page 48: Technical Data

    8 Technical data Prothermo NMT539 Technical data Item Description Application NMT539 performs precise liquid and gas phase average temperature measurement in custody transfer bulk storage tank applications. Along with capacitance water to oil interface measurement probe, complete temperature and WB (BSW) level measurement in crude oil and other bi-layer liquid tank application are accomplished.
  • Page 49 8 Technical Data Prothermo NMT539 Item Description Storage temperature -40 °C to +85 °C (-40 °F to +185 °F) Climate class DIN EN 60068-2-38 (test Z/AD) Degree of protection • IP66/68 NEMA4X/6P: Temperature and converter are installed. • IP 65 NEMA4X: Converter only (Open housing: IP20)

  • Page 50: Appendix

    9 Appendix Prothermo NMT539 Appendix Description of functions A detailed description of the function groups, functions and parameter is given in the documentation "Operating Instructions and Description of Instrument Functions" for NMT539. When NMT539 with WB probe and NRF590 are used together, confirm that the supply voltage to TMD1, NMS, TGM, or NRF590 is stable at a voltage of 100VAC or more.
  • Page 51 9 Appendix Prothermo NMT539 NMT539 Converter + temperature typical installation NMT539 is the successor of the former NMT535, and inherits all the functionality and specifications of NMT535 including connection flange specifications, cable entries and wiring method. Since NMS5 or NMS8x already provides water bottom measurement, they can be used in combination with the NMT539 converter + average temperature probe.
  • Page 52 9 Appendix Prothermo NMT539 9.2.3 NMT539 Ex ia and NRF81 Ex d [ia] combination Figure 55: System layout NMT539 Ex ia + NRF81 Ex d [ia] FMR power supply (DC/Exi) Local HART (Ex i) communication (Data transmission) Gas temperature Liquid level...
  • Page 53 9 Appendix Prothermo NMT539 9.2.4 NMT539 Ex d [ia] and TMD1 Ex d combination NMT539 can be connected with transmitter TMD1 or Servo gauge TGM5 via local HART (Ex d) com- munication. Local HART communication, a digital communication method, which enables larger vol- ume of information transfer compared to the traditional simple RTD method, allows NMT539 to work with NRF560 for DRM9700.
  • Page 54 9 Appendix Prothermo NMT539 9.2.5 NMT539 Ex d [ia] and TGM5 or NMS5 combination When NMT539 with WB probe and NRF590 are used together, confirm that the supply voltage to TGM5 is stable at a voltage of 100VAC or more.
  • Page 55 www.addresses.endress.com...

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