Il manuale d’uso Emerson 644 Weather Radio

Sintesi del contenuto nelle pagine seguenti del manuale d’uso

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www .rosemount.com Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 T emperature T ransmitter with F OUNDATION ™ fieldbus.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 TOC -1 SECTION 1 Introduction Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Warnings . . . . . . . . . . . . . . . . . . . . . . .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 TOC -2 Rosemount 644 APPENDIX A Specifications and Reference Data Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Functional . . . . . . . .
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Rosemount 644 T emperature T ransmitters Rosemount 644 Hardware Revision F OUNDATI ON ™ Fieldbus Device Revision Device Descrip tor Revision 9 2 1 NOTICE Read this manual before working with t he produ ct.
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Section 1 Introduction Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1- 1 Overview . . . . . . . . . . . . . . . . . . . . . .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 1-2 OVERVIEW Manual This manual is designed to assist in the installatio n, operation, and maintenance of Rosemount 644 head mou nt and 644 rail mount.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 1-3 Rosemount 644 Refer to the following literature for a full ra nge of compatible connection heads, sensors, and th ermowells provided by Emerson Process Management.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 1-4 Figure 1- 1. 644 head mount T ransmitter Connection Head T emperature Rise vs. Extension Length Example The transmitter specification limit is 85 °C .
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Section 2 Inst allation Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1 Mounting . . . . . . . . . . . . . . . . . . . . . .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-2 Figure 2-1. Installation Flowchar t ST ART HERE Bench Calibration? BASIC SETUP Set Sensor T ype Set Number of Wires Set Units Set .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 2-3 Rosemount 644 MOUNTING Mount the transmitter at a high point in the conduit run to preven t moisture from draining into the transmitter housing.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-4 INST ALLATION T ypical European Inst allation Head Mount T ransmitter with DIN Plate S tyle Sensor 1. Attach the thermowe ll to the pipe or process container wall. Insta ll and tighten the thermowell be fore applying process pressure.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 2-5 Rosemount 644 T ypical North American Inst allation Head Mount T ransmitter with Threaded Sensor 1. Attach the thermowe ll to the pipe or process container wall. Insta ll and tighten thermowells before ap plying process pressure.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-6 LCD Display Inst allation The LCD display provides local indica tion of the transmitter output and abbreviated diagnostic me ssages gov erning transmitter operation. T ransmitters ordered with the LCD di splay are shipped with the meter insta lled.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 2-7 Rosemount 644 WIRI NG All power to the transmitter is sup plied over the signal wiring. Use ordinary copper wire of suf ficient size to ensur e that the volt age across the transmitter power terminals does not drop below 9 Vdc.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-8 Figure 2-6. Connecting a F OUNDATION fieldbus Host System to a T ransm itt er Loo p Sensor Connections The 644 is compatib le with a number of R TD an d thermocoupl e sensor types. Figure 2-7 shows the correct input connections to th e sensor terminals on the transmitter .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 2-9 Rosemount 644 RTD or Ohm Inputs The transmitters will accept a variety of RTD configur ations, including 2-wire, 3-wire, or 4-wire.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-10 Lead wire imbalance seen by the tr ansmitter = 0.5  • Pt100 2-wire R TD: Lead wire resist ance seen by the transmitter = 150 m × 2 wires × 0.025  /m = 7.5  Basic error 0.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 2-1 1 Rosemount 644 POWER SUPPLY F OUNDATION fieldbus Installa tion Powered over F OU NDATION fieldbus with s tandard fieldbus powe r supplies. The transmit ter operates between 9. 0 and 32.0 Vdc, 1 1 mA ma ximum.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 2-12 Option 2: 1. Connect sensor wiring shield to the transmitter housing (only if the housing is groun ded). 2. Ensure the sensor shield is elec trically isolated from surr ounding fixtures that may be grounded.
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Section 3 Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 3-1 Safety Messages . . . . . . . . . . . . . . .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-2 GENERAL BLOCK INFORMATION Device Description Before configuring the device, en sure the host has the appropriate Device Description file revision fo r this device. The device descriptor can be found on www .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-3 Rosemount 644 NOTE When an upstream block is set to OOS, this will impact the output st atus of all downstream blocks.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-4 Cap abilities Virtual Communication Rela tionship (VCRs) There are a tot al of 12 VCRs. One is permanent and 1 1 are fully configurable by the host system. Sixtee n link object s are available.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-5 Rosemount 644 The block support s two forms of the PID equation: S tandard and Seri es. Y ou can choose the appropriate equa tio n using the MA THFORM parameter . The S tandard ISA PID equation is the default selection.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-6 The following t able displays all possible con figurations of the WRITE_LOCK paramete r . FEA TURES_SEL FEA TURES_SEL is used to turn on an y of the supporte d features. The default setting of the 644 does not se le ct any of these features.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-7 Rosemount 644 F AILED_MASK This parameter will mask any of th e failed conditions listed in F AIL ED_ENABLED. A bit on m eans that the condition is mask ed out from alarming and will not be reported.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-8 Advisory Alarms An advisory alarm indicate s informative conditions that do not have a direct impact on t he device's prim ary functions. T here are f ive parameters associated with ADVISE_ALARMS.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-9 Rosemount 644 T able 3-1. RB.RECOMMENDED_ACTION Sensor T ransducer Block NOTE When the engineering u nit s of the XD _SCALE are selected, the engineering units in the T ransducer Block ch ange to the same units.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-10 L_TYPE The L_TYPE p arameter defines the relation sh ip of the sensor measurement (sensor tempe rature) to the desired output temperature of the AI Block. The relat ionship can be dire ct or indir ec t.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-1 1 Rosemount 644 Configuration Examples 4-wire, Pt 100  = 385 AI1 = Pro cess T emperat ure AI2 = T erminal T emperature T ransducer Block If Host System Supports Meth ods: 1. Click on Methods 2.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-12 AI2 as T erminal T emperature 1. Put the AI Block into OOS mode. a. Go to MODE_BLK.T ARGET b. Choose OOS (0x80) 2. Go to CHANNEL a. Choose Bo dy T emperat ure 3. Go to L_TYPE a. Choose Direct 4.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-13 Rosemount 644 Alarm Priority Alarms are grouped into five levels of priority: St atus Options S tatus Options (ST A TUS_OPTS) supported by the .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-14 LCD T ransducer Block The LCD meter connects directly to the 644 electronics F OUNDATION fieldbus output board. The meter indicates ou tput and abbre viated diagnostic messages. The first line of five characters displa ys the sensor being measured.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-15 Rosemount 644 UNITS_TYPE_# (1) The UNITS_TYPE_# p arameter is generally selected via a drop-down menu with three options: AUT O, CUSTOM, or NONE. Select AUT O only when the parame ter to be di splayed is pres sure, temp erature, or p ercent.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-16 T roubleshooting Guides Figure 3-1. 644 tr oubleshooting flowchart T able 3-2. Trou bleshooting guide. Symptom (1) (1) The corrective actions should be done with consultation of your system integrator.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-17 Rosemount 644 Figure 3-2. Problems with communicat ions flowchar t COMMUNICATIONS ESTABLISHED BUT HAVE “BLOCK_ERR” OR AN “ALARM” CONDITION. See “PlantWeb™ Alerts” on p age 3-6 Read the following parameters in the Resource Block to determine th e recommended action.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-18 Sensor T ransducer Block Sensor Calibration, Lower and Upper T rim Methods In order to calibrate the transmitter , run the Lower and Upper T rim Methods. If your system does not support methods, manually co nfigure the T ransducer Block parameters listed below .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-19 Rosemount 644 Recall Factory T rim T o recall a factory trim on the transmitter , run the Re call Factory Trim. If your system does not support methods, man ually configure the T ransducer Block paramete rs listed below .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-20 T able 3-5. Sensor T ransducer Block STB.SENSOR_ DET AILED_ ST A TUS messages STB.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-21 Rosemount 644 Analog Input (AI) Function Block Stat u s Along with the measured or calculated PV value, every F OUNDATION fieldbus block passes an additiona l parameter called ST A TUS. The PV and ST A TUS are passed from th e Transdu cer Block to the Analog Input Block.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 3-22 T a ble 3-6. AI BLOCK_ERR Conditions. T able 3-7. T roubleshooting the AI block Condition Number Condition Name and Description 0.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-23 Rosemount 644 Resource Block This section describes error conditions fo und in the Resource block. Read T able 3-8 through T able 3-10 to dete r min e th e ap p ro pri at e cor re ct i ve actio n.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 3-24 Rosemount 644 LCD T ransducer block This section describes er ro r conditions found in the LCD T ransducer Block. Read T able 3-1 1 and to determine the appropriate corrective action. Self T est Procedure for the LCD The SELF_TEST pa rameter in the Reso urce block will test LCD segments.
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Appendix A S pecifications and Reference Dat a Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age A-1 Foundation Fieldbus S p ecifications .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-2 Physical Electrical Connectio ns Field Communicator Connections Materials of Construction Materials of Constructions (S t ainle ss.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-3 Rosemount 644 Performance EMC (ElectroMagnetic Compatibility) NAMUR NE 21 St andard The 644H HART mee ts the requirement s for NAMUR NE 21 Rating. CE Mark The 644 is compliant with Directive 2004 /108/EC.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-4 F OUNDATION FIE LDBUS SPECIFICATIONS Function Bloc ks Resource Block • The resource block contains physical transmitter information includ ing available mem or y , ma nu fa ct ur e ide nt i fi cation, device type, software t ag, and unique identification.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-5 Rosemount 644 T urn-on Ti me Performance within specifications in less than 20 se conds after power is applied, when damping value is set to 0 seconds. Stat us If self-diagnostics detect a sensor burno ut or a transmitter failure, the st atus of the measurement will be updated accord ingly .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-6 Accuracy Accuracy Exampl e When using a Pt 100 (  = 0.00385) sensor input: • T otal accuracy = ±0.15 °C. • No D/A accuracy effects apply T able A-1. Rosemount 644 Input Options and Accuracy Sensor Options Sensor Reference Input Ranges Recommended Min.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-7 Rosemount 644 Ambient T empera tur e Effect T able A-2. Ambient T emperature Ef fect Sensor Options Sensor Reference Input Range (°C) T emperature Effects per 1.0 °C (1.8 °F) Change in Ambient T emperature (1) Range D/A Effect (2) 2-, 3-, 4-wire RTDs Pt 100 (  = 0.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-8 T ransmitters can be inst alled in locations where th e ambient temperatur e is between –40 and 85 °C (–40 and 185 °F).
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-9 Rosemount 644 DIMENSIONAL DRAWINGS 644H (DIN A Head Mount) Shown with Standard Compression Screw T erminals Shown with W AGO ® Spring Cla mp T .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-10 LCD Display Head Mount T ransmitter 644H Captive Mounting Screws and Springs Meter Sp acer LCD Display 10 pin Connector Mounting .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-1 1 Rosemount 644 Sanit ary Housing Covers St andard Co ver LCD Display Cover Dimensions are in millimeters (inches) 79.8 (3.14) 70.0 (2.76) 33 (1.3) 76.2 (3.0) 24.4 (0.96) 25.4 (1.0) 44.5 (1.75) 27.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-12 ORDERING INFORMATION T a ble A-3. Rosemount 644 Smart T e mperature T ransmitter Ordering In formation ★ The S tandard offering represents the most common models and options. These options should be selected for best delivery .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-13 Rosemount 644 Assemble T o Options Standa rd Sta nd a rd XA Sensor S pecified Separately and Assembled T o T ransmitter ● ● ● – ★ Head Rail A F W A Enclosure Options Standa rd Sta nd a rd J5 (4)(5) Universal Head (junction box), aluminum alloy with 50.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-14 NOTE For additional options (e.g. “K” codes), please co ntact your local Emerson Process Manag ement representative. Ta g g i n g Har dware • 13 characters total • T ags are adhesive labels • Permane ntly attached to transmitter • Characte r height is 1 / 16 -in (1.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 A-15 Rosemount 644 External Gr ound Screw Assembl y The external ground screw assembly can be ordered by specifying code G1 when an enclosure is specified. However , some approvals include the ground screw assembly in the transmitter shipment, hence it is not necessary to order c ode G1.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 A-16 Stand a rd F OUN DATION fieldbus Configuration Unless otherwise specified, th e transmit ter will be shipped as follows for all sensors: Custom Configuration Custom configurations are to be specif ied when ordering .
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Reference Manual 00809-0100-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Appendix B Product Certifications Approved Manufacturing Locations . . . . . . . . . . . . . . . . . p age B-1 European Un ion Directive Information . . . . . . . . .
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-2 HAZARDOUS LOCATIONS CERTIFICATES Rosemount 644 with F OUNDATION fieldbus North American Certifications Factory Mutual (FM) Approva.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-3 Rosemount 644 European Certifications E1 A TEX Flame-Proof Certificate Number: KEMA99A TEX8715X A TEX Marking: II 2 G 11 8 0 Ex d IIC T6 (–50 .
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-4 NC A TEX T ype n Component Certificate Number: BAS99A TEX3084U A TEX Marking: II 3 G Ex nL IIC T5 (-40 °C  T amb  70 °C) Max Input V oltage: U i = 42.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-5 Rosemount 644 N7 IEC Ex T ype n Certificate Number: IECEx BAS 07.005 5 Ex nA nL IIC T5 (-40 °C  T amb  70 °C) NG IECEx T ype n Component Certificate Number: IECEx BAS 07.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-6 Jap anese Certifications Japanese Indust rial Standard (JIS) Approvals I4 JIS Intrinsic Safety E4 JIS Explosion Proof Combination Approvals K5 Combinatio n of I5 and E5.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-7 Rosemount 644 INST ALLATION DRAWINGS The installation guidelines presented by the drawings must be followed in order to maintain certified ra tings for installed transmitters.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-8 Figure B-1. CSA Intrinsic Safety Installation Drawing 00644-1064, Rev . AB.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-9 Rosemount 644 Figure B-2. CSA Explosion-Pr oof Installation Drawing 006 44-1059, Rev . AH.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-10 Figure B-3. CSA 644 Field bus Intrinsi c Safety , FISCO Installati on Drawing 00644-2076, Rev .
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-1 1 Rosemount 644 Sheet 2 of 3.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-12 Sheet 3 of 3.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-13 Rosemount 644 Figure B-4. FM Explosion-P roof Installation Dra wing 00644-104 9, Rev . AE Sh eet 1of 2.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-14 Sheet 2 of 2.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-15 Rosemount 644 Figure B-5. FM Explosion-Proo f Installation Drawing 00644-1049 , Rev . AE.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-16 Figure B-6. FM 644 Field bus Intrinsic Safety and FISCO Installa tion Drawing 00644-2075, Rev .
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Reference Manual 00809-0100- 4728, Rev AA June 2011 B-17 Rosemount 644 Sheet 2 of 3.
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Reference Manual 00809-0100- 4728, Rev AA June 2011 Rosemount 644 B-18 Sheet 3 of 3.
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Reference Manual 00809-0400-4 728, Rev AA June 2011 Rosemount 644 www .rosemount.com Appendix C F OUNDATION fieldbus Block Information Resource Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-1 Sensor T ransducer Block .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-2 Parameters and Descriptions The table below lists all of the configur able p arameters of th e Resource Block, including the descriptions and index numbers for each.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 C-3 Rosemount 644 FA U LT _ S TATE 28 Conditio n set by loss of communication to an output block, fault promoted to an output block or physical contact. When F AIL_SAFE condition is se t, then out put function blocks will perform their F AIL_SAFE actions.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-4 RB_SFT WR_REV_ALL 51 The string will cont ains the follow ing fields: Major rev: 1-3 characters, decimal number 0-25 5 Minor rev: .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 C-5 Rosemount 644 SENSOR T RANSDUCER BLOCK The transducer block cont ains the actual measurement data, includin g a pressure and tempe rature reading.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-6 PRIMARY_V ALUE_RANGE 15 The high and low range limit values, the engineering unit code, and the number of digits to the right of the decimal point to be used to display the final value.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 C-7 Rosemount 644 STRA TEGY 03 The strategy field can be used to identify grouping of blocks. No effect. T AG_DESC 02 The user description of the intended application of the block. No effect. SESNOR_1_DAMPING 31 Indicates the state of the transmitter .
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-8 ANALOG INPUT (AI) FUNCTION BLOCK The Analog Input (AI) function block processes field device me as ur em e nts and makes them available to other function blocks.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 C-9 Rosemount 644 AI Parameter T able T able C-3. Definitions of Analog In put Function Block System Parameters Parameter Index No.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-10 LO_ALM 35 Not applicable None Not applicable Read only The LO alarm data, which includ es a value of the alarm, a tim e stam p o f oc c ur r e nc e and the state of the alarm.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 C-1 1 Rosemount 644 LCD T RANSDUCER BLOCK T able C-4. LCD T r ansducer Bl ock Parameters and Descr iptions Parameter Index Description ALERT_KEY 4 The identification number of the plant unit. BLK_T AG_1 15 The tag of the block containing DP1.
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Reference Manual 00809-0400- 4728, Rev AA June 2011 Rosemount 644 C-12 PID BLOCK T able C-5. PID Block Parameters and Descr iptions Parameter Index Parameter Index Parameter Index ACK_OP TIONS 46 HI_H.
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Reference Manual 00809-0100- 4728, Rev KA June 2011 Index-1 Rosemount 644 A Address . . . . . . . . . . . . . . . . . . 3-2 Temporary Node . . . . . . . . . . 3-2 Advanced Diagnostics Transducer Block (ADB) . . . . . . . . . . . . . . . 3-4 Advanced F eatures .
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Reference Manual 00809-0100- 4728, Rev KA June 2011 Rosemount 644 Index-2 I Indirect . . . . . . . . . . . . . . . . . . 3-10 Installation . . . . . . . . . . . . . . . . . 2-4 European . . . . . . . . . . . . . . . . 2-4 Head Mount . . . . . . . . . .
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Reference Manual 00809-0100- 4728, Rev KA June 2011 Index-3 Rosemount 644 R Recommended Actions . . . . . . . . 3-8 PlantWeb Alarms . . . . . . . . . . 3-8 RECOMMENDED_ACTION . . . . 3-8 Reference da ta . . . . . . . . . . . . . A-8 Reports . . . . . .
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Reference Manual 00809-0100- 4728, Rev KA June 2011 Rosemount 644 Index-4.
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Emerson Process Management 00809-0400-4728 Rev AA, 6/1 1 S tandard T erms and Conditions of Sale can be found at w ww .rosemount.com/ter ms_of_sale The Emerson logo is a trademark and se rvice mark o f Emerson Electric Co. Rosemount and the Rosemount logotype are registered trademarks of Rosemount In c.

Leggere il manuale d’uso Emerson 644 - evitare problemi

Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:

per sapere come usare correttamente il dispositivo
per sapere come mantenere ed eseguire controlli periodici del corretto funzionamento del prodotto Emerson 644
per sapere come procedere in caso di guasti Emerson 644

Se non hai ancora comprato il Emerson 644 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Emerson 644 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Emerson 644 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Emerson 644 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.

In una situazione in cui hai già il Emerson 644, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Emerson 644.

Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Emerson 644. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Emerson 644 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.

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