RTX 1000A Series PRESSURE TRANSMITTER
Contents
1. 0 5 URL 1 span Mounting position effect Negligible effect For ranges below 700 mbar you can adjust the g offset effect with the zero offset control Error conditions NAMUR NE 43 compliant Failure mode lt 3 6 or gt 21 Switch selected option Under range en 3 8 mA minimum Over range rct 20 5 mA maximum An optional LCD shows the applicable alarm data If the pressure is not in the upper or lower range limits the pressure value on the display will flash Turn on time MOT 2 seconds Electronics housing Aluminium alloy with polyester powder coating oT Stainless steel with aluminium bronze end caps Environmental protection IP67 K332 Issue No 1 2 2 RTX 1000A Series User Manual Overpressure These pressure values will not degrade performance 6 x URL for 700 mbar range 4 x URL 140 bar max for ranges 2 bar to 70 bar E ads 2 x URL 900 bar max for ranges 200 bar to 700 bar Em 2000 bar for 1400 bar range Pressure containment These pressures may damage the sensor but there is no leakage of the process media 10 x URL for 700 mbar range MEAE 6 x URL 200 bar max for ranges 2 bar to 70 bar2. 40 C to 85 C 40 F to 185 F Humidity limit 0 100 RH 2 3 Performance Data Range adjustment 0 Minimum span mbar a URV LRV 10 URL E URL or i E or LRV gt 1000 Lower range value LRV 4 mA pressure value mbar g Upper range value URV 20 mA pressure value Figure 2 1 Range limits Figure 2 1 shows the limits for range adjustment For example Span The minimum span available for a 2 bar device is 0 2 bar 10 1 down ranging Zero offset A 2 bar MWP gauge device can give 4 to 20 mA in the range 1 bar to 2 bar For example If the span is 0 2 bar 4 to 20 mA is available anywhere in the range up to a maximum zero offset of 1 8 bar calibrated range 1 8 to 2 bar 2 1 K332 Issue No 1 RTX 1000A Series User Manual Accuracy 0 15 of calibrated span This includes non linearity hysteresis and repeatability Long term stability At standard reference conditions the maximum change in calibration is not more than 0 2 URL in a five year period Time response Update rate Compensated pressure reading 100ms Damping switch selection 0 1 or 1 s to reach 63 of final value Temperature effects 40 C to 20 C 40 F to 4 F 0 5 URL 1 span 20 C to 50 C 4 F to 122 0 25 URL 0 75 span 50 C to 85 C 122 F to 185 F
3. 4 2 4 3 Manual Configuration LCD Operation 4 3 4 4 Manual Configuration Calibration 4 4 5 Maintenance 5 1 51 General sse 5 1 5 2 Fault Finding aces 5 2 5 3 Returned Goods Procedure 5 3 Safety Precautions 5 3 Important Notice 5 3 Approved Service Agents Back cover K332 Issue No 1 RTX 1000A Series User Manual Figure 1 1 1 2 2 1 2 2 2 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 4 1 4 4 5 1 Table 1 1 3 1 4 1 4 2 5 1 ILLUSTRATIONS title page General view 1 1 Transmitter schematic diagram 1 2 Range limite 2 ee ins 2 1 Dimensions Transmitter 2 4 Dimensions Optional mounting bracket 2 5 Display Turn thru 90 3 2 Housing locking screws 3 3 Piping arrangements 3 5 Open tank level 3 6 Power and load requirements 3 7 Electrical conduit configuration 3 9 Transmitter connections 3 9 Location of
4. 200 bar for ranges up to 70 bar absolute m 1400 bar for ranges 200 bar to 700 bar sealed gauge and absolute ti AX aee dud debate 2100 bar for 1400 bar range Process media A liquid gas or vapour compatible with a fully welded assembly that includes A Hastelloy C276 diaphragm and body that is made of either 316 stainless steel or Hastelloy C276 Complies with NACE MR 01 75 Inconel 625 1400 bar range range code 24 only Sensor fill fluid Output current two wire configuration 4 20mA The output is proportional to the calibrated pressure range Supply voltage at the terminals Safe area iii 12 to 35 V DC Hazardous area Refer to the Calibration data and instructions 2 3 K332 Issue No 1 RTX 1000A Series User Manual 2 4 Physical Data Electrical Process connections Refer to table 1 1 e Refer to figure 2 2 2 3 Weight without options Aluminium housing 1 14 kg 2 51 Ib Stainless steel housing 2 7 kg 5 95 Ib Options Digital indicator polarity sign 5 digits Aluminium option Add 0 16 kg 0 35 Ib Stainless steel option Add 0 3 kg 0 66 Ib Mounting bracket bolts stainless steel Material traceability for pressure containment parts to EN10204 3 18 117 mm 92 4 61 3 62
5. a LCD indicator option 138 mm 5 43 Dimensions in millimetres inches illustration not to scale Figure 2 2 Dimensions Transmitter K332 Issue No 1 2 4 RTX 1000A Series User Manual a Example Panel mounting b Examples Horizontal pipe mounting c Example Vertical pipe mounting 113 mm 4 4 WITT UUU Dimensions in millimetres inches illustration not to scale Figure 2 3 Dimensions Optional mounting bracket 2 5 K332 Issue No 1 RTX 1000A Series User Manual K332 Issue No 1 2 6 RTX 1000A Series User Manual 3 INSTALLATION Note If the equipment is certified for use in a hazardous area refer to the publication Calibration data and instructions for additional data 3 1 Introduction The following procedures detail the correct installation of the unit Use qualified plant installation personnel and follow good engineering practice at all times WARNINGS 1 OBSERVE APPROPRIATE LOCAL SAFETY INSTRUCTIONS 2 BEFORE INSTALLATION EXAMINE ALL FITTINGS AND EQUIPMENT FOR DAMAGE AND MAKE SURE THAT ALL EQUIPMENT IS TO THE CORRECT PRESSURE RATING 3 USE THE IDENTIFICATION CODE ON THE TRANSMITTER TO MAKE SURE THAT IT HAS THE CORRECT SPECIFICATION FOR THE INSTALLATION REFER TO TABLE 1 1 3 2 Special Tools and Equipment The following special tools and equipment are required Note Equivalent substitutes can be used Special tools Applica
6. maximum level zero suppression minimum level 0 1100 6600 Figure 3 4 Open tank level measurement Calculations Min level 1000 x 1 1 mmH O 1100 mmH O level 1000 5000 x 1 1 mmH O 6000 x 1 1 mmH O 6600 mmH O Range 1100 to 6600 mmH O Span 5500 mmH O K332 Issue No 1 3 6 RTX 1000A Series User Manual 3 9 Electrical Data Note If the equipment is certified for use in a hazardous area refer to the publication Calibration data and instructions for additional data WARNING SWITCH OFF AND ISOLATE THE POWER SUPPLY BEFORE CONNECTING OR DISCONNECTING THE TRANSMITTER CAUTIONS 1 The transmitter uses DC power a 2 wire system to control current through a resistive load 2 not apply more than 35 Volts to the loop circuit The transmitter may be damaged General The electrical installation must comply with local wiring codes and standards To get the full performance from the transmitter carefully choose the wiring scheme to be used and take care connecting the transmitter Power and maximum load Figure 3 5 The total loop resistance must include the connection wire resistance 1100 1000 500 operating region 250 Resistive Loop Load Ohms 12 15 20 25 30 35 Loop DC Power Volts Figure 3 5 Power and load requirements 3 7 K332 Issue No 1 RTX 1000A Series User Manual Wire selection Table 3 1 To get the best EMC performance
7. the Housing Figure 3 2 CAUTION Do not rotate the electronics housing on the transmitter more than 180 degrees relative to the pressure connection Two locking screws hexagon socket screws lock the electronics housing to the sensor body To rotate the housing loosen both of the screws and rotate the housing When the angle is correct tighten the screws Note Do not remove the locking screws N locking screws p di 3 hexagon socket screws Figure 3 2 Housing locking screws 3 6 Impulse Piping Figure 3 3 The purpose of arranging impulse piping for the specific application is to maintain a single phase of fluid in the piping and transmitter Liquid applications should maintain a liquid state and allow any air or gas formation to travel up and away from the transmitter Gas applications should allow the formation of liquids to drain down and away from the transmitter The pipe or tubing used for connection must be rated for continuous operation at the pipeline designed pressure and temperature Threaded pipe fittings create voids where air can be trapped and increase the possibility of leaks When installing the connecting tubing or impulse piping the following apply Horizontally installed impulse piping must slope least 75 mm per metre approximately 1 per foot For liquid and steam applications the piping must slope down towards the transmitter For gas applications the piping must slope down away from the tran
8. the signal wires ve or ve can be earthed grounded if necessary 3 9 K332 Issue No 1 RTX 1000A Series User Manual 3 10 System Checks Leak test Before the system is filled and or commissioned do a leak test with compressed air or other inert compressed gas or water The minimum test pressure must be equal to the normal operating pressure The maximum pressure is the MWP Apply pressure at a convenient point on the system Apply an applicable leak test solution to the impulse piping valves transmitter connections and joints Look for a continuous stream of bubbles Bleed the system Do the necessary repairs and test the system again Return the system to the original configuration Transmitter test Connect the necessary instruments to monitor the pressure signal If necessary connect a milliammeter to measure the output from the transmitter Apply power to the transmitter Apply the applicable pressure Monitor the pressure signal Refer to the Operation section for the procedures to set up and operate the transmitter K332 Issue No 1 3 10 RTX 1000A Series User Manual 4 OPERATION Note If the equipment is certified for use in a hazardous area refer to the publication Calibration data and instructions for additional data 41 General CAUTION DO NOT over pressurize the system Pressure ranges The transmitter label shows the factory calibrated r
9. use shielded twisted pair cable for the field wiring Select a wire gauge for the required total length so the transmitter operates within the load requirements When using external power supplies make sure the connection polarity allows current to flow into the ve terminal and out of the ve terminal Refer to figure 3 7 Table 3 1 Wire resistance Wire Diameter Loop Resistance Inches mm Ohms Foot Ohms Meter Note The typical values for resistance per length are doubled as the circuit is a direct current loop Electrical conduit Figure 3 6 Use electrical conduit in accordance with local wiring codes The electronics housing has two threaded holes for electrical conduit connections The configuration in figure 3 6 prevents moisture getting into the housing If conduit is not used use the correct cable gland plugs to seal the housing K332 Issue No 1 3 8 RTX 1000A Series User Manual Figure 3 6 Electrical conduit configuration Electrical connections Figure 3 7 The transmitter is a 2 wire loop powered device The marks ve and ve identify the polarity of the connection terminals A label in the transmitter shows how to use the third terminal to measure the output current from the transmitter In hazardous areas do not use this third terminal k power supply Figure 3 7 Transmitter connections Because the transmitter circuit is isolated from the housing one of
10. use the ON_Damping factor Default 1 5 To use the OFF_Damping factor Default 0 1 s Push button operation K332 Issue No 1 To change the range values zero and or span 4 2 To set up the display if applicable RTX 1000A Series User Manual 4 3 Manual Configuration LCD Table 4 2 An optional LCD shows a value proportional to the measured pressure Unless an alternative configuration is specified in the order the factory configuration shows the pressure value as a percentage of the calibrated span 0 4 mA 100 20 mA To change the configuration refer to table 4 2 0 1 and show that the character flashes on the display Table 4 2 Steps to change the LCD configuration Operation Set DIP switches 1 and 4 to OFF Result and or example Example device 1 to 1 bar Refer to table 4 1 Press S and Z together Set the decimal point position Press Z Go to the next step ZERO Wait 5 seconds or press S and Z together 2brO then 0 0000 Set the lower display value LDV to show an applicable 4 mA value a To increase the value of a digit 0 9 0 press Z b To select the next digit press S 0 0000 1 0000 1 0000 S 1 0000 Go to the next step Wait 5 seconds or press S and Z together 1 0000 Set the value to positive or negative Press Z 1 0000 2 1 0000 Go to the next step SPAN Wait 5 seconds or press S and Z
11. DIP switches and push buttons 4 2 Calibration set up for safe 4 4 Fault finding from the output signal 5 2 TABLES title page Identification codes 1 4 Wire resistance 3 8 DIP switch operation 4 2 Steps to change the LCD configuration 4 3 LCD alarm codes and error messages 5 2 K332 Issue No 1 vi RTX 1000A Series User Manual 1 DESCRIPTION 11 Introduction The GE Druck RTX 1000A series is a process pressure transmitter that measures the pressure of liquid gas or vapour and gives an analogue output proportional to the applied pressure The transmitter is available in a compact and lightweight metal housing with facilities for direct mounting to pipeline installations The type of housing is specified in the order To adjust the transmitter operation there are push buttons and switches on the electronics module 1 2 About the Electronics Housing Figure 1 1 The electronics housing contains a digital pressure module DPM electronics module connecting cables and the terminal block end cap end cap electrical name plate with access to with access to conduit the electronics the terminal entry module block electronics housing 4 housing certification label locking If fitted screw process pressure connection Figure 1 1 General view 1 1 K332 Issue No 1 RTX 1000A Serie
12. Druck RTX 1000A Series PRESSURE TRANSMITTER Druck Limited Fir Tree Lane Groby Leicester LE6 OFH England Telephone 44 0 116 231 7100 Facsimile 44 0 116 231 7103 USER MANUAL K0332 RTX 1000A Series User Manual Safety To use this equipment safely you must use the data and procedures in these publications The Calibration data and instructions for the equipment This user manual These publications contain instructions to operate the equipment and maintain it in a safe condition To prevent damage or injury Obey all warnings and cautions Use the equipment only for the specified applications Operate the equipment only in the specified limits To install and use the equipment use only approved engineers who have the necessary skills and qualifications Hazardous areas Some versions of this equipment are certified for use in hazardous areas the ATEX Directive 94 9 EC Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres For these versions the publication Calibration data and instructions contains additional data The additional data includes some or all of these items Marking details Materials Installation Configuration Calibration or Connections to other equipment Maintenance Repair Special conditions for safe use This product complies with the requirements of the relevant EEC C directives For data on the ap
13. al straight line UDV upper display value URL upper range limit URV upper range value V volt Q ohm W watt iii K332 Issue No 1 RTX 1000A Series User Manual Section 1 1 1 2 1 3 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 CONTENTS title 8 Introduction re About the Electronics Housing Identification Codes TECHNICAL DATA Pressure Ranges Environment Data Performance Data Physical Data INSTALLATION e cerei rennen nien Introduction zariadi e eres Special Tools and Equipment Location and Mounting To Rotate the Display Thru 90 To Rotate the Housing Impulse PIPING ccc ere taces The Transmitter Pressure Connections Liquid Level Electrical Data System Checks K332 Issue No 1 iv RTX 1000A Series User Manual CONTENTS continued 4 OPERATION nee 4 1 41 General 4 1 4 2 Manual Configuration Facilities
14. alibration it can be returned to the GE Druck Service Department Please contact our Service Department either by phone or fax to obtain a Returned Goods Authorization RGA number You will need to give the following information Product i e RTX 1000A Pressure range Serial number Details of defect work to be undertaken Calibration traceability requirements Operating conditions Safety Precautions You must also tell us if the product has been in contact with hazardous or toxic materials Please supply the applicable COSHH references and precautions to be taken when handling Important Notice Service or calibration by unauthorized sources will affect the warranty and may not guarantee further performance If the equipment has Hazardous area approval the approval will also be invalid 5 3 K332 Issue No 1 RTX 1000A Series User Manual K332 Issue No 1 5 4
15. ange and the maximum working pressure MWP Start up procedure When power is supplied to the transmitter the output is set to the applicable alarm level Refer to table 4 1 When the start up sequence is complete the output changes to give the applicable process value During start up the display if applicable shows these items 1 theLCD test 8 8 8 8 8 2 the software version example 1 00 00 When the start up sequence is complete the display shows a value proportional to the measured pressure Alarm Error conditions Refer to the Maintenance section 4 1 K332 Issue No 1 RTX 1000A Series User Manual 4 2 Manual Configuration Facilities Figure 4 1 The manual configuration facilities DIP switches and push buttons are in the electronics module To get access to the electronics module remove the end cap with access to the electronics module push buttons span S zero Z 1104 DIP switches optional display Figure 4 1 Location of DIP switches and push buttons DIP Switch Function Write Protection Table 4 1 DIP switch operation To prevent accidental changes to the EEPROM values Set OFF 1 To change the range values zero and or span 2 To set up the display if applicable Alarm level To use the high NAMUR alarm gt 21 mA when there is a transmitter failure To use the low NAMUR alarm lt 3 6 mA when there is a transmitter failure Damping To
16. ansmitter must be replaced Cleaning Clean the transmitter case with a damp lint free cloth and mild detergent Corrosion must be removed and the area of corrosion cleaned and if necessary neutralized If the product has been in contact with hazardous or toxic materials obey all the applicable COSHH references and precautions when handling 5 1 K332 Issue No 1 RTX 1000A Series User Manual 5 2 Fault Finding Figure 5 1 If the measured pressure goes above URV or goes below LRV the output signal will saturate at the following values error LRV URV error cable break not cable break short circuit allowed under range over range allowed short circuit normal signal range 2mA 3 8 mA 1 25 4 0 00 20 mA 100 20 5 mA 103 15 21 mA 106 25 Figure 5 1 Fault finding from the output signal Failure alarm indications Table 5 1 If there is a specified fault condition the transmitter output changes to the specified NAMUR alarm level The alarm level is set by the position of DIP switch 2 refer to table 4 1 If applicable the optional display shows an alarm code to help identify the fault AL xx Table 5 1 shows some of the codes If there are several fault conditions the alarm code is the hexadecimal sum of all the applicable codes Table 5 1 LCD alarm codes and error messages Possible cause To correct the error Too much positive or negative pressure Supp
17. ble torque wrench GE Druck UPS II measure current output Multimeter to measure loop resistance Materials Piping the necessary length and rating depends on the distances Fittings to connect the above items including but not limited to Pipe tee steam or high temperature liquid Pipe fittings Pipe compound or Teflon tape where local piping codes allow Loctite PST sealant 3 1 K332 Issue No 1 RTX 1000A Series User Manual 3 3 Location and Mounting Figure 3 3 Although designed to withstand harsh industrial environments the transmitter should be located to minimize the following Vibration Ambient temperature fluctuations Physical impact shock 3 4 To Rotate the Display Thru 90 Figure 3 1 If applicable use the following procedure to turn the optional display in the electronics housing spacer x4 cables power du VN DPM cables 7 display end cap bezel Figure 3 1 Display Turn thru 90 screw washer x4 Isolate the power supply to the transmitter Remove the end cap Loosen each screw washer x4 Turn the PCB and the display bezel thru 90 until the screws align with the spacers again 5 Tighten each screw washer x4 back in position but make sure that there is not too much force on the cables and that they are not caught 6 Attach the end cap Bo K332 Issue No 1 3 2 RTX 1000A Series User Manual 3 5 To Rotate
18. conds or press S and Z together Option Save the new LRV Press the Z button The signal output is set to 4 mA and the optional display shows a pressure value that does not flash Note If the value is not in the applicable range the value is ignored and the optional display shows Error 5 Set DIP switch 1 to ON Refer to table 4 1 Calibration adjustment Upper range value URV To minimise measurement errors do the LRV before the URV then follow these steps 1 3 As above 4 Option Return to normal operation without change Wait 25 seconds or press 5 and 2 together Option Save the new URV Press the S button The signal output is set to 20 mA and the optional display shows a pressure value that does not flash Note If the value is not the applicable range the value is ignored and the optional display shows Error 5 Set DIP switch 1 to ON Refer to table 4 1 4 5 K332 Issue No 1 RTX 1000A Series User Manual K332 Issue No 1 4 6 5 1 RTX 1000A Series User Manual MAINTENANCE Note If the equipment is certified for use in a hazardous area refer to the publication Calibration data and instructions for additional data General The transmitter contains no moving parts and requires a minimum of maintenance Visual inspection Inspect the transmitter for damage and corrosion Any damage to the transmitter must be assessed If the housing is no longer sealed against water and or dust the tr
19. ges in ambient temperature An optional LCD shows a value proportional to the measured pressure Unless an alternative configuration is specified in the order the factory configuration shows the pressure value as a percentage of the calibrated span To change the configuration refer to section 4 1 3 Identification Codes Table 1 1 Table 1 1 shows the identification codes for the transmitter Before you install the transmitter use this table to make sure that the data on the transmitter is correct 1 3 K332 Issue No 1 RTX 1000A Series User Manual Table 1 1 Identification codes RTX 10 Base Model Number Diaphragm Process Wetted Body Fill Fluid 00 Hastelloy C 316 stainless steel Silicone oil 10 Hastelloy C Hastelloy C Silicone oil 20 Inconel 625 Inconel 625 Silicone oil Code Max Span Min Span Notes 0 700 mbar 0 70 mbar Gauge or absolute 0 2bar 0 200 mbar Gauge or absolute 0 7 bar 0 700 mbar Gauge or absolute 0 20 bar 0 2 bar Gauge or absolute 0 70 bar 0 7 bar Gauge or absolute 0 200 bar 0 20 bar Sealed gauge or absolute 0 700 bar 0 70 bar Sealed gauge or absolute 0 1400 bar 0 140 bar Sealed gauge or absolute Type A Absolute G Gauge sealed gauge for ranges above 70 bar code Process Connection 1 G female 2 14 NPT female 3 G male to BS EN 837 1 DIN 16288 4 NPT male 5 9 16 tube Autoclave Engineers medium pressure SF562CX20 female code Electrical Entry M20 fe
20. he process line Gas service connections Figure 3 3b Gas measurement connections should be made to the top or side of the process line The transmitter should be mounted beside or above the connection allowing any liquid to drain into the process line Steam service connections Figure 3 3c Steam measurement connections should be made to the side of the process line The transmitter should be mounted below the connection so that the piping remains filled with condensate Live steam must not come into contact with the transmitter to prevent this the lines should be filled with water or condensate K332 Issue No 1 3 4 RTX 1000A Series User Manual two valve manifold two valve manifold a Liquid service two valve manifold set length for cooling plugged tee piece for sealing fluid water condensate c Steam service Figure 3 3 Piping arrangements 3 5 K332 Issue No 1 RTX 1000A Series User Manual 3 8 Liquid Level Measurement Figure 3 4 Gauge pressure transmitters can be used to measure liquid level in an open or vented tank by measuring the hydrostatic pressure head The head pressure can be calculated by multiplying the liquid height above the transmitter diaphragm by the specific gravity of the liquid The tank s volume and shape does not affect the head pressure If the transmitter is mounted below the zero point minimum level of the measured range zero suppression will be required
21. ly pressure in the specified limits for the device DPM error Power off wait 25 seconds then power on again DPM data not received Power off wait 25 seconds then power on again LCD adjustment has loosened the DPM Examine the DPM cable cable connection on the PCB connection Figure 3 1 LCD adjustment has loosened the DPM Examine the DPM cable cable connection on the PCB connection Figure 3 1 Configuration error The range is not in the Refer to section 2 for the specified specified limits for the device range limits Configuration error DIP switch 1 set to ON Set DIP switch 1 to OFF then Write protect follow the procedures in Section 4 If you cannot identify the code or the fault condition does not change contact an approved service agent K332 Issue No 1 5 2 RTX 1000A Series User Manual Over under range If the measured pressure goes above or below the set range of the transmitter the electronics module causes the transmitter output to change When the measured pressure is under range the transmitter output continues below the 4 0 mA level until it reaches 3 8 mA figure 5 1 When the measured pressure is over range the transmitter output continues above the 20 0 mA level until it reaches 20 5 mA figure 5 1 applicable the optional display will also show a flashing pressure value 5 3 Returned Goods Procedure If the transmitter becomes unserviceable or requires c
22. male 7 14 NPT female via adaptor PG 13 5 female via adaptor Electronics Housing End caps 0 Aluminium alloy Aluminium alloy 5 Stainless steel Aluminium bronze Approvals Safe area ATEX Intrinsically Safe EEx ia ATEX Flameproof EEx d ATEX Type n EEx nL code Options Example identification code 0 None LA Digital indicator B Bracket mounting T DIN 3 1B material certificate RTX10 00 07 2 M 0 0 0 A Only available with range code 24 process connection code 5 and approval options 0 Range code 24 0 1400 bar only applies to RTX 1020 models ee Process connection code 5 autoclave fitting only applies to range code 24 K332 Issue No 1 1 4 RTX 1000A Series User Manual 2 TECHNICAL DATA 2 1 Pressure Ranges The transmitter is supplied in one of the standard zero based ranges or it can be calibrated to any acceptable intermediate span Refer to table 1 1 The transmitter label shows the factory calibrated range and the maximum working pressure MWP The upper range limit URL MWP 2 2 Environment Data Service Liquid gas or vapour Temperature 40 C to 85 C 40 F to 185 LCD Option 20 C to 70 C 4 F to 158 F DFOCESS Hi taie 40 C to 120 C 40 F to 248 F compensated
23. plied standards refer to the Declaration of Conformity i K332 Issue No 1 RTX 1000A Series User Manual ABBREVIATIONS The abbreviations in this publication are as follows Note Abbreviations are the same in the singular and plural A D ATEX AWG COSHH D A DAC DC DIN DIP DPM C F EEPROM EMC FS g kg kgf m Ib Ipf ft LCD LDV LRV K332 Issue No 1 absolute pressure analogue to digital ATmosph res EXplosibles explosive atmospheres American wire gage control of substances hazardous to health regulations digital to analogue digital to analogue convertor direct current Deutsche Industrie Norm dual inline package digital pressure module degrees Celsius degrees Fahrenheit electrically erasable programmable read only memory electromagnetic compatibility full scale gauge pressure kilogram kilogram force metre pound pound force feet liquid crystal display lower display value lower range value RTX 1000A Series User Manual ABBREVIATIONS continued m metre mA milliampere max maximum mbar millibar microfarads mH millihenry min minimum minute mm millimetre mmH O millimetre of water MWP maximum working pressure Nm newton metres PCB printed circuit board psi pound force per square inch PTFE polytetrafluoroethylene PV primary variable RFI radio frequency interference RH relative humidity RTX rangeable transmitter S seconds sg specific gravity TSL termin
24. s User Manual 2 Z L jueuuysn py ueds 9 0197 sen eA UOISISAUOI sonsouBeiq jeu is Buiduieq 2088900100101 SJojoueJed NO4433 soiuo129 3 eJnsseJg 21161q FUNSSIAH Josueg uoo UOISISAUOI leuBIS Qv sonsouBeiq UO1981109 Josueg 2088900100101 108095 INOHd33 K332 Issue No 1 RTX 1000A Series User Manual Digital Pressure Module DPM Figure 1 2 The sensing element in the DPM is constructed from a micro machined silicon diaphragm assembly bonded to a stainless steel or Hastelloy body A Hastelloy isolation diaphragm and silicone fluid isolates the sensing element from the process media The sensor piezo resistors diffused into the surface of the silicon diaphragm produce a signal in response to applied pressure The accuracy of the sensor element is enhanced by measuring the residual errors over its operating temperature and pressure range and applying digital compensation in the transmitter electronics Electronics Module Figure 1 2 The electronics module uses microprocessor technology to give a compact circuit with the minimum of components The module produces an extremely stable signal unaffected by chan
25. smitter Impulse piping should kept as short as possible and maintained at ambient temperature avoiding fluctuations and gradients 3 3 K332 Issue No 1 RTX 1000A Series User Manual Installations outdoors for liquid or saturated gas service may require insulation and heat tracing to prevent freezing For installations where the transmitter is more than 1 8 m 6 feet from the tapping the impulse piping must be supported to prevent sagging and vibration Impulse piping must be located in protected areas or against walls or ceilings If routed across a floor protective coverings or kick plates must be used High temperature piping or equipment should be avoided Appropriate pipe sealing compound rated at the design piping temperature must be used on all threaded connections When making threaded connections between stainless steel fittings Loctite PST Sealant is recommended 3 7 The Transmitter Pressure Connections The recommended connection uses a two valve manifold connected between the transmitter and the process pressure Before connecting the transmitter remove the protection caps and carefully inspect the sealing face and threaded bore of the connection for damage Liquid service connections Figure 3 3a Liquid measurement connections should be made to the side of the process line to avoid deposits of sediment The transmitter should be mounted beside or below the connection so that gases vent into t
26. together SPAn 0 0000 Set the upper display value UDV to show an applicable 20 mA value Repeat steps 5 to 7 1 0000 Return to normal operation Wait 5 seconds or press S and Z together 0 0000 Set DIP switch 1 to ON 4 3 Refer to table 4 1 K332 Issue No 1 RTX 1000A Series User Manual 4 4 Manual Configuration Calibration Figure 4 2 To get accurate results do the calibration in conditions where the pressure and temperature are stable Equipment A precision pressure calibrator such as the GE Druck DPI 605 or DPI 610 615 The accuracy of the supplied pressure must be better than 0 075 In safe areas a 12 to 35 Volt DC power supply separate or part of another system Fittings and tubing as required excitation voltage and 4 mA to 20 mA signal recision pressure calibrator Figure 4 2 Calibration set up for safe areas Calibration ranges Set any span value from 10 to 100 of the URL Refer to the Technical Data section K332 Issue No 1 4 4 RTX 1000A Series User Manual Calibration adjustment Lower range value LRV 1 Set DIP switch 1 to OFF and DIP switch 4 to ON Refer to table 4 1 2 Supply the necessary pressure and let the pressure become stable 3 the S and 2 buttons together The optional display shows CAL then a pressure value that flashes 4 Option Return to normal operation without change Wait 25 se
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