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SMAR ld301, Инструкция по эксплуатации и техническому обслуживанию


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Maintenance Procedure

5.5

Fig. 5.1 – Exploded View

Содержание ld301

Страница 1: ...INTELLIGENT PRESSURE TRANSMITTER WITH CONTROL CAPABILITY OPERATION AND MAINTENANCE INSTRUCTION MANUAL LD301 VERSION 6 L D 3 0 1 M E JAN 03...

Страница 2: ...ch Germany Tel 49 671 794680 Fax 49 671 7946829 e mail infoservice smar de MEXICO Smar M xico Cerro de las Campanas 3 desp 119 Col San Andr s Atenco Tlalnepantla Edo Del M x C P 54040 Tel 53 78 46 00...

Страница 3: ...V notch weirs in open channel flow metering TABLE the pressure signal is custom linearized according to a 16 point table enabling e g conversion of level to volume of a horizontal cylindrical tank CON...

Страница 4: ...nce Instruction Manual IV NOTE This manual is compatible with version 6 XX where 6 denotes software version and XX software release The indication 6 XX means that this manual is compatible with any re...

Страница 5: ...ATION CONFIGURATION 3 9 PID CONTROLLER CONFIGURATION 3 10 EQUIPMENT CONFIGURATION 3 11 EQUIPMENT MAINTENANCE 3 12 4 PROGRAMMING USING LOCAL ADJUSTMENT THE MAGNETIC TOOL 4 1 SIMPLE LOCAL ADJUST 4 2 ZER...

Страница 6: ...CHARACTERISTICS FUNCTIONAL SPECIFICATIONS 6 1 CONFIGURATOR 6 3 PERFORMANCE SPECIFICATIONS 6 3 PHYSICAL SPECIFICATIONS 6 4 ORDERING CODE FOR DIFFERENTIAL MANOMETRIC AND ABSOLUTE TRANSMITTER 6 6 ORDERI...

Страница 7: ...he O rings being compressed Do not use tools to close the covers Removal of the electronics cover in the field should be reduced to the minimum necessary since each time it is removed the circuits are...

Страница 8: ...ting Position for LD301 Electrical Connection Mounting Bracket Adapter Allow 150mm minimum for local zero and span adjustment with magnetic tool Level Diaphragm Screws Label Level Diaphragm with exten...

Страница 9: ...be rotated in order to better position the digital display To rotate it use the Housing Rotation Set Screw see Figure 1 4 WARNING EXPLOSION PROOF INSTALLATIONS The electronic housing and the sensor a...

Страница 10: ...sive gases tighten the O ring until feeling the O ring touching the housing Then tighten more 1 3 turn 120 to guarantee the sealing Lock the covers using the locking screw In hazardous zones with intr...

Страница 11: ...signal wiring close to power cables or switching equipment The unused outlet connection should be plugged and sealed accordingly The LD301 is protected against reverse polarity The Figure 1 6 Conduit...

Страница 12: ...Connection of the LD301 working as transmitter should be done as in Figure 1 8 Connection of the LD301 working as a controller should be as indicated in Figure 1 9 Connection of the LD301 in multidrop...

Страница 13: ...Fig 1 8 Wiring Diagram for the LD301 Working as a Transmitter Fig 1 9 Wiring Diagram for the LD301 Working as a Controller Optional Fig 1 10 Wiring Diagram for the LD301 in Multidrop Configuration Fig...

Страница 14: ...LD301 Operation and Maintenance Instruction Manual 1 8...

Страница 15: ...istance d between the plates as Where dielectric constant of the medium between the capacitor s plates Should CH and CL be considered as capacitances of flat and parallel plates with identical areas t...

Страница 16: ...e for each sensor at the factory D A Converter Converts the digital data from the CPU to an analog signal with 14 bits resolution Output Controls the current in the line feeding the transmitters It ac...

Страница 17: ...n the transmitter output or controller PV may have the following characteristics according to the applied pressure Linear for pressure differential pressure and level measurement Square root for flow...

Страница 18: ...LD301 manual de Instru es Opera o e manuten o 2 4 Fig 2 3 LD301 Software Block Diagram...

Страница 19: ...iscarded Display Can alternate between two indications as configured in DISPLAY THE DISPLAY The integral indicator is able to display one or two variables which are user selectable When two variables...

Страница 20: ...PV in this case 25 00 mmH20 DISPLAY DESCRIPTION INIT The LD301 is in initializing after power on CHAR The LD301 is characterization mode See Section 3 Trim FAIL SENS Sensor failure Refer to Section 5...

Страница 21: ...ugh 15 place the LD301 in the multidrop mode with current control CONTROLLER MODE The LD301 always controls the output current in accordance with the value calculated for the Controlled Variable regar...

Страница 22: ...ce between the configurator and the transmitter do not interrupt the Pressure measurement and do not disturb the output signal The configurator can be connected on the same pair of wires as the 4 20 m...

Страница 23: ...nknown and Special SENSOR FLUID Silicone Inert Special Unknown and None SENSOR ISOLATING DIAPHRAGM 316 SST Hastelloy C Monel Tantalum and Special SENSOR TYPE It shows the sensor type SENSOR RANGE It s...

Страница 24: ...reading equal to zero must be active when the pressures of differential transmitter cameras are equalized or when a manometric transmitter opened to atmosphere or when or when the absolute transmitter...

Страница 25: ...Pressure Trim is used to correct the measurement In the transmitter mode the Lower Value always corresponds to 4 mA and the Upper Value to 20 mA In the controller mode the Lower Value corresponds to...

Страница 26: ...en selecting a unit make sure that it will not require readouts greater than this limit For User reference Table 3 1 presents a list of recommended sensor ranges for each available unit In application...

Страница 27: ...is water at 20 C Tank volume is d 2 4 l 2 2 4 6 18 85 m 3 The wet tap shall be subtracted from the measured pressure in order to obtain the tank level Therefore a calibration without reference shall...

Страница 28: ...table to compensate for example the variation of Reynolds number at the flow measurement TABLE The output is a curve formed by 16 points These points may be edited directly on the XY Table of the LD30...

Страница 29: ...wing formula dt PV INCREMENT ON TOTALIZATI FLOWRATE MAXIMUM TOT The totalization method uses such totalized value and through three parameters MAXIMUM FLOWRATE TOTALIZATION INCREMENT and TOTALIZATION...

Страница 30: ...flow and the minimum time allowable for the counter overrun i e the time required for the totalization to reach 99 999 999 In the example if U_TOTAL 1 the totalization increment is 1 dm 3 The time re...

Страница 31: ...oint Tracking and Power On The Control Action Mode enables the selection of the desired output action direct or reverse In direct action a PV increase causes an output increase in reverse action a PV...

Страница 32: ...mulated by the totalizer SP Setpoint in percentage SP Setpoint in engineering units ER Error in percentage PV SP S INDIC Used to cancel the second indication Table 3 4 Variables for Display Indication...

Страница 33: ...there is the main plate change to avoid communication problems OP_COUNT Every time a change is made there is an increment in the respective change counter for each monitored variable according to the...

Страница 34: ...arameters are automatically transferred The calibration parameters however remain safe in the main board so that the working range cannot be accidentally modified When the replaced part is the sensor...

Страница 35: ...n mode of the magnetic switches configures the jumpers located at the top of the main circuit board as indicated in Table 4 1 SI COM OFF ON NOTE SIMPLE LOCAL ADJUST COMPLETE LOCAL ADJUST 1 Disabled Di...

Страница 36: ...Adjust The LD301 works differently when a simple local adjustment is selected in the transmitter mode and in the controller mode In the transmitter mode the simple local adjustment is used for Zero an...

Страница 37: ...owse the options of a branch and by placing it in S details of the chosen option are shown Figure 4 2 Programming Tree Using Local Adjustment shows the LD301 available options Fig 4 2 Local Adjustment...

Страница 38: ...ERATION branch starting with function AUTO MA Auto Manual A M Z Moves to the SETPOINT INCREASE function S Toggles controller status Automatic to Manual or Manual to Automatic A and M indicate status S...

Страница 39: ...ned acting on the Proportional Integral and Derivative terms and also to alter the PID mode The implemented algorithm is a PID type with the following characteristics The proportional action is given...

Страница 40: ...emoved or 999 minutes are reached Z Moves to the TD_ADJUSTMENT function S Decreases the integral time until the magnetic tool is removed or 0 minutes is reached Td Adjust TD Z Moves to the DERIVATIVE...

Страница 41: ...display indication The configuration options implemented in this branch are the following Selection of the variable to be shown on Display 1 and on Display 2 Working range calibration for the Transmi...

Страница 42: ...LCD_2 Z Moves to the RANGE function S Starts selection of variable to be indicated as secondary display The procedure for selection is the same as for LCD_1 above DISPLAY LCD2 LCD1 DESCRIPTION SP Set...

Страница 43: ...ches mercury column at 0o C ftH2O Feet water column at 20o C mmH2O millimeter water column at 20o C mmHg millimeter mercury column at 0o C psi pounds per square centimeter Bar Bar Mbar millibar g cm2...

Страница 44: ...hed The span is maintained Z Moves to the SPAN ADJUST MENT function S Decreases Output in transmitter mode increases the Lower Pressure Value until the magnetic tool is removed or the maximum for the...

Страница 45: ...UNIT function S Escapes to the FUNCT menu of the MAIN menu Function FUNCT Z Moves to the MODE function S Starts selection of input function After activating S you can move around the available option...

Страница 46: ...ou can move around the options listed in the table below using Z T o select the desired option activate S OPERATION MODES DISPLAY DESCRIPTION XMTR Transmitter PID Controller ESC escape Table 4 6 Opera...

Страница 47: ...s to the main menu PRESSURE TRIM TRIM This field of the tree is used to adjust the digital reading according to the applied pressure The pressure TRIM differs from RANGING WITH REFERENCE since the TRI...

Страница 48: ...d as the Lower Pressure value corresponding to the applied pressure Z Moves on to function SAVE if the Lower Pressure Trim LOWER is running or to the Upper Pressure Trim UPPER S Adjusts the transmitte...

Страница 49: ...ERO TRIM function S Escapes to the MAIN menu ESCAPE LOCAL ADJUSTMENT ESC This branch of the main tree is used to leave the Local Adjustment mode placing the Transmitter or Controller in the monitoring...

Страница 50: ...LD301 Operation and Maintenance Instruction Manual 4 16...

Страница 51: ...ransmitter according to the wiring diagram shown on Section 1 Figures 1 5 1 6 and 1 7 ERROR MESSAGES When communicating using the CONFIGURATOR the user will be informed about any problem found by the...

Страница 52: ...entered exceeded the factory characterized value by more than 10 PASSED PARAMETER TOO LARGE Parameter above operating limits PASSED PARAMETER TOO SMALL Parameter below operating limits Table 5 1 Error...

Страница 53: ...spare one Replace sensor Symptom INCORRECT OUTPUT Probable Source of Trouble Transmitter Connections Check power supply voltage Check for intermittent short circuits open circuits and grounding proble...

Страница 54: ...commended The oscillating circuit is a part of the sensor and the replacement of one implies replacing the other To remove the sensor from the electronic housing the electrical connections in the fiel...

Страница 55: ...Maintenance Procedure 5 5 Fig 5 1 Exploded View...

Страница 56: ...Avoid bending the backup ring and inspect it for knits cuts etc Be careful when mounting it The flat side which shines more than the beveled side shall be mounted against the O ring Figure 5 3 For the...

Страница 57: ...Tighten the screw 8 to lock the body to the sensor ELECTRONIC CIRCUIT Plug sensor connector and power supply connector to main board If there is a display attach it to the main board by means of 4 scr...

Страница 58: ...sensor or the main board In the case of a new sensor the main board will have the most updated information in the opposite case the sensor will have the correct information Depending on the situation...

Страница 59: ...BUNA N Flange VITON Flange TEFLON Flange ETHYLENE PROPYLENE Flange TEFLON spring loaded for models A5 M5 M6 H2 H3 H4 and H5 NOTE 6 Adapter BUNA N Adapter VITON Adapter TEFLON Adapter ETHYLENE PROPYLE...

Страница 60: ...sia Absolute 20 8 to 2500 kPa 3 to 360 psia Absolute 0 208 to 25 MPa 30 to 3600 psia Differential High Static Pressure 0 417 to 50 kPa 1 67 to 200 inH2O Differential High Static Pressure 2 08 to 250 k...

Страница 61: ...Without Adapter 1 2 14 NPT With Adapter Others Specify Process Connection High Side 1 2 3 4 6 7 8 3 150 ANSI B16 5 RF 3 300 ANSI B16 5 RF 4 150 ANSI B16 5 RF 4 300 ANSI B16 5 RF DN 80 PN 25 40 DN 100...

Страница 62: ...LD301 Operation and Maintenance Instruction Manual 5 12...

Страница 63: ...o 45 Vdc Load Limitation Indicator Optional 4 1 2 digit numerical and 5 character alphanumerical LCD indicator Hazardous Area Certifications Explosion proof weather proof and intrinsically safe CENELE...

Страница 64: ...han 5 0 seconds after power is applied to the transmitter Volumetric Displacement Less than 0 15 cm3 0 01 in3 Overpressure and Static Pressure Limits From 3 45 kPa abs 0 5 psia to 8 MPa 1150 psi for r...

Страница 65: ...6 Absolute models diaphragms in Tantalum Monel or fill fluid in Fluorolube 0 1 URL span URL 0 1 of span 0 025 URL span 0 1 URL 0 05 1 0 1 URL span of span 0 0085 URL span 0 025 URL 0 01 0 006 URL spa...

Страница 66: ...request The LD301 is available in NACE MR 01 75 compliant materials Nonwetted Parts Electronic Housing Injected aluminum with polyester painting or 316 SST NEMA 4X IP67 Blank Flange Plated carbon ste...

Страница 67: ...tput rate of change limit 0 to 100 s Power on safety output Antireset windup Bumpless Auto Manual transfer Characterization table of the manipulated variable MV Hastelloy is a trademark of the Cabot C...

Страница 68: ...uorolube Oil 2 Tantalum and Monel diaphragm are not available for Range 1 Monel 400 Silicone Oil Tantalum Silicone Oil Tantalum Fluorolube Oil Others Specify COD Flange s Adapter s and Drain Vent Valv...

Страница 69: ...dicator COD Process Connection Low Side 0 1 9 Z 1 4 18 NPT Without Adapter 1 2 14 NPT With Adapter Seal Remote Specify Others Specify COD Electrical Connections 0 A B Z 1 2 14 NPT M20 x 1 5 Pg 13 5 DI...

Страница 70: ...APPENDIX A...

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