Intrinsically safe multi-signal converter with precision average temperature and water bottom sensor for inventory control and custody transfer applications (25 pages)
Surface thermometer, non-invasive rtd/tc thermometer with high measurement performance for demanding applications (52 pages)
Summary of Contents for Endress+Hauser Prothermo NMT539
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Operating Instructions and Description of Instrument Function Prothermo NMT539 Temperature BA01026G/08/en/13.10 71122411...
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Both NMT539’s own device setting and local HART setting to the host instrument must be performed. Step 4. Data flow from the Prothermo NMT539 to the host instruments • Individual element temperature data : Individual raw element temperature can be accessed regardless of liquid level information on the NMT539’s data matrix.
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Table of contents Table of contents Basic device layout of the Prothermo NMT539 ..2 Operation and Description of Instrument Function ........8 Table of contents .
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As an Endress+Hauser tank gauging instrument The NMT539 has been developed and designated primarily to work with the Endress+Hauser tank gauging host instruments Tank Side Monitor NRF590 or Proservo NMS5/NMS7. ® Both temperature and / or water bottom information are transmitted on a two wire i.s local HART loop to the host instrument.
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Caution! Not all Tank Side Monitor NRF590 have fully accessible compatibility to recognize the NMT539. Consult with your Endress+Hauser representative to cross check the software and hardware version of the NRF590. 1.2.2 The NMT539 specific parameter set up on the NRF590...
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Caution! Water Bottom (WB) sensor information is not available on the Proservo before ROM version 4.24. Please consult with your Endress+Hauser representative to update the installed Proservo function. Typical NMT539 parameters are displayed on the matrix of the Proservo NMS5/NMS7...
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Enter the desired element interval when "Even" in GVH485 " Type of Interval" is selected. Note! This parameter setting is only used to change the theoretical element position within NMT539’s software for average calculation purposes. It does not effect the physical location of the temperature element position. Endress+Hauser...
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Default : local HART A customer specific device identification and control number (or name). Tank name, site number, or any other ID can be entered. Assembly Number : read and write Default : 0 Manufacture control number based on production process. Endress+Hauser...
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This temperature is used to check at the factory. 2.3.2 Element Temperature 1 : VH10 ~ VH19 VH10 ~ 19 Temperature 1 ~ 10 Item type : read only Range : -200°C ~ 240°C Display of individual measured element temperature. Endress+Hauser...
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Element #2: 3.0°C (T2) Element #1: 3.5°C (T1) Formula : (T1*V1 + T2*V2 + T3*V3) / (V1 + V2 + V3) = Average temperature Note! V = # of additional volume factor and related parameters are determined at VH53, 54 and 55. Endress+Hauser...
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Liquid average temperature = (T1 + T2 + T3) / 3 = 25.5°C Multi : Different length or number of element inserted in each input cable. Average temperature is considered as the closest submerged element to the liquid level. Endress+Hauser...
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Low limit temperature alarm parameter when measurement detects below design and approved temperature. VH29 Upper Limit Item type : read and write Default value : 245°C Range : -999.9°C ~ 999.9°C Hi limit temperature alarm parameter when measurement detects above design and approved temperature. Endress+Hauser...
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To NMT 539 conver ter Temperatur e Element Gas phase VH48 GAS Of fset: 300mm (default) Temp. element within this range will be excluded fr om Gas average calculation Liquid Level Liquid phase To Tank floor Endress+Hauser...
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A function to exclude element (s) from liquid phase average temperature calculation when element (s) stays within entered value from given liquid level. NMT539 Converter Temperature Gas phase Element Liquid Level VH07 Liquid Offset: Temp. element within this range 300mm(default) will be excluded from liquid average calculation. Liquid phase to Tank floor Endress+Hauser...
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Item type : read and write Range : 1 ~ 99999.9 Setting additional factor on selected element at VH53. Extra volume can be added on specific element for advanced average temperature calculation. (Details, please refer to the description of VH26 "Select Average Method"). Endress+Hauser...
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If selected element #5 indicates 100.3 Ohm, and reference precision resistor indicates 100.0 Ohm at the same environmental condition, and it this example set "-0.3" in this matrix. #5 element now has constant artificial -0.3°C offset resistance based on raw measurement. Endress+Hauser...
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2 sec. {total 21 elements (16 temp elements and 5 integrated reference resistors)} NH79 Protect Code Item type : read and write Default : 0 Range : 0 ~ 999 Access code 530 to enable select and write command available. Endress+Hauser...
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(NRF590 or NMS5/NMS7) to NMT539 is be performed by °C unit only (terminology of HART command 133) VH82 Element Number Item type : read and write Default : 10 (NMT539 Converter Only version) Range : 1 ~ 16 Entering # of available temperature element. This function mainly used with NMT539 Converter Only version. Endress+Hauser...
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VH89 Open Error Item type : read write Default : 359.9 Range : -49.5 ~ 359.5 A type of error message when any of element has open circuit. Method of display can be configured at VH92 "Error Display Select." Endress+Hauser...
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VH98 Below Bottom Item type : select Default : 0_OFF Selection : 0_OFF, 1_ON A type of error display when liquid level drops below #1 element (Bottom Point). Error code "29" is displayed on VH80 and VH91 when 0_ON is selected. Endress+Hauser...
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2 Operation and Description of Instrument Function VH99 Device Type Code Item type : read only Device type will be displayed. • 184 : Temperature measurement function only • 185 : WB function only • 186 : Temperature + WB function Endress+Hauser...
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A display of calculated WB probe capacitance based on frequency. VH52 WB Frequency Item type : read only Range : 1200Hz ~ 4500Hz A display of WB probe measured frequency. VH57 Sel. Water Span Item type : select Selection : 1000mm, 2000mm A selection of WB probe length. Endress+Hauser...
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Item type : read and write Default : about 3600 ~ 4400Hz, this value is configured individually at the factory Range : 0 ~ 9999Hz Enter measured frequency (VH52 value) when WB probe is detecting water I/F at least 300mm. Endress+Hauser...
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Prothermo NMT 539 2 Operation and Description of Instrument Function e.g. e.g. VH61 VH60 Reading value Reading value Empty Frequency: 1200Hz Full Frequency: 4500Hz Water I/F level: 0mm Water I/F level: 1000mm (4500Hz -1200Hz) / 1000mm = 3.3Hz / 1mm Endress+Hauser...
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VH62 Probe Length : 450mm (input calculated result) • VH63 Water Factor : 3.33Hz (reference) Caution! WB probe linearity may differ from default condition to actual in-tank condition. Liquid characteristics (both oil and water), in-tank temperature and other surrounding environment may offset the probe linearity. Endress+Hauser...
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Range : 0 ~ 255 A parameter to draw power supply failure alarm. NMT539 operates at minimum 16VDC of supply voltage via ® multi drop local HART loop under normal operating condition. NMT539 transmits error message when supply voltage drops below 16VDC. Endress+Hauser...
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42 : Memory defect (EEROM) 43 : WB line open 44 : WB line short VH83 No. of Preambles Item type : read and write Default : 5 Range : 2 ~ 20 ® Setting # of preamble for local HART communication. Endress+Hauser...
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A display of recognized hardware version. VH99 Device Type Code Item type : read only Device type will be displayed. • 184 : Temperature measurement function only • 185 : WB function only • 186 : Temperature + WB function Endress+Hauser...
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Designated temperature and Water Bottom measurement function device is based on following order structure. Measuring Function 3 : Converter + temperature + WB 5 : Converter + temperature + WB (W&M certification) Please refer to previous sections about temperature and Water Bottom measurement function Endress+Hauser...
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FieldCare/Contents ----- Level Select 50~59 450 - 459 Element position No. 1-9 Element Select (element 0-15) Position X (set element position at GVH=470) Element Number Kind of Interval Bottom point Element Interval ( when selecting evenly interval at GVH=485) Endress+Hauser...
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