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1. 1 PROCESS 1 Pressure Hot Key 1 Keypad Input 1 LRV VARIABLES 2 Percent Range 2 URV 3 Analog Output 3 Unit 4 Sensor Temperature 4 LSL 5 Static Pressure 5 USL 6 Engineering Unit 6 Min Span 7 Engineering Display 2 Wrt protect menu 1 Write protect 2 Enable wrt 10 min 2 DIAGNOSTICS 1 TEST STATUS 1 Self Test 3 New password AND SERVICE 2 Status 4 Software seal 2 Loop Test 1 RERANGE 1 Keypad Input 2 Apply Values 3 CALIBRATION m 1 Digital to Analog Trim 2 TEIM ANALOG 2 Scaled Digital to Analog Trim a 1 Tag 1 Zero Trim n 3 SENSOR TRIM 2 Pressure 2 2 Unit 3 Lower Sensor Trim 2 4 Upper Sensor Trim 3 BASIC SETUP 3 RERANGE 1 Keypad Input Bee ar hin canis O 2 Apply Values 6 Clear snsr trim 4 DEVICE INFO 1 Date S 2 Descriptor i Online Menu 5 Transfer Function 3 Message l EN 3 1 DEVICE SETUP 6 Damp 4 Write Protect 1 Percent Range 3 Lower Sensor Trim 3 2 Pres 2 Pressure 4 Upper Sensor Trim Oo 3 A01 Out 7 Low Cut 3 Unit 5 Sensor Trim Point E A LRV 1 Pressure Sensor 4 Sensor Trim 6 Clear snsr trim 5 URV 8 Cut Mode 0 2 Temperature 1 net temp 2 Amp temp 1 SENSORS Sensor 3 Sensor temp Unit 7 icP 1 Static Pressure 4 Sue S SE e 2 Static Pressure Unit 2 SIGNAL 1 PROCESS 1 Pressure CONDITION VARIABLES 2 Percent Range 3 Sensor Temperature U 2 RERANGE 1 Keypad Input 2 3 Unit 2 Apply Values 2 4 Transfer Function 3 5 Damp 1 Pressure Q 6 Low Cut 2 Percent Range D 7 Cut Mode 3 Analog Output e
2. 2 Model SC V L heen Category EJ A110A 160 0 01 1 6 E 3 SEP EJ A120A 0 5 0 01 0 005 oe eee EJ A130A 420 0 01 4 2 See 3 SEP EJ A310A 160 0 01 16 Geh 3 SEP EJ 430A 160 0 01 1 6 GE 3 SEP EJ A440A ane ee E GE 3 SEP EJ AS10A 500 0 01 50 n 3 SEP EJ A530A OP OI RA i 3 SEP es 500 0 01 50 Ili 1 PS is maximum allowable pressure for vessel itself Referred to Table 1 covered by ANNEX II of EC Directive on Pressure Equipment Directive 97 23 EC 3 Operation A caution e The temperature and pressure of fluid should be applied under the normal operating condition e The ambient temperature should be applied under the normal operating condition e Please pay attention to prevent the excessive pressure like water hammer etc When water hammer is to be occurred please take measures to prevent the pressure from exceeding PS by setting the safety valve etc atthe system and the like e When external fire is to be occurred please take safety measures at the device or system not to influence the transmitters 2 7 Low Voltage Directive Applicable standard EN61010 1 1 Pollution Degree 2 Pollution degree describes the degree to which a solid liquid or gas which deteriorates dielectric strength or surface resistivity is adhering 2 applies to normal indoor atmosphere Normally only non conductive pollution occurs Occasionally however temporary condu
3. 4 1 1 Connecting Impulse Piping to the Transmitter 1 Check the High and Low Pressure Connections on the Transmitter Figure 4 1 Symbols H and L are shown on a capsule assembly to indicate high and low pressure side Connect the impulse piping to the H side and the low impulse piping to the L side H and L are shown Pressure connection Process connection ei eat d ff i Process connector IQ SZH Bolt A Figure 4 1 H and L Symbols on a Capsule Assembly 2 Changing the Process Connector Piping Connections The impulse piping connection distances can be changed between 51 mm 54 mm and 57 mm by changing the orientation of the process connectors This is convenient for aligning the impulse piping with the process connectors when connecting the piping 51mm 54mm 57mm F0402 ai Process Connector Impulse Piping Connection Distances Figure 4 2 3 Tightening the Process Connector Mounting Bolts After connecting the impulse piping tighten the process connector mounting bolts uniformly 4 Connecting the Transmitter and 3 Valve Manifold EJA110A A 3 valve manifold consists of two stop valves to block process pressure and an equalizing valve to equalize the pressures on the high and low pressure sides of the transmitter Such a manifold makes it easier to disconnect the transmitter from the impulse piping and is convenient when adj
4. 2 Environmental Conditions The standard environmental condition for the installation of flameproof apparatus is limited to an ambient temperature range from 20 C to 40 C for products certified under Technical Criteria However some field mounted instruments may be certified atan ambient temperature up to 60 C as indicated on the instrument nameplates If the flameproof apparatus are exposed to direct sunshine or radiant heat from plant facilities appropriate thermal protection measures shall be taken 5 External Wiring for Flameproof Apparatus Flameproof apparatus require cable wiring or flameproof metal conduits for their electrical connections For cable wiring cable glands cable entry devices for flameproof type to wiring connections shall be attached For metal conduits attach sealing fittings as close to wiring connections as possible and completely seal the apparatus All non live metal parts such as the enclosure shall be securely grounded For details see the USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry published in 1994 1 Cable Wiring e Forcable wiring cable glands cable entry devices for flameproof type specified or supplied with the apparatus shall be directly attached to the wiring connections to complete sealing of the apparatus e Screws thatconnect cable glands to the apparatus are those for G type parallel pipe threads J IS B 0202 wi
5. Intrinsically Safe Maximum Input Voltage Ui 30 V Hazardous Location gt Non hazardous Location Maximum Internal Capacitance Ci 22 5 nF Group I IIC Zone 0 Maximum Internal Inductance Li 730 uH i G j i enera Installation Requirements EJA Series Pressure i IECEx certified Purpose Uo lt Ui lo lt li Po lt Pi Co gt Ci Ccable Transmitters i Safety Barrier Equipment Lo gt Li Lcable Uo lo Po Co and i5 i oioe Lo are parameters of barrier Note 3 Installation e In any safety barrier used output current must be 4 limited by a resistor R such thatlo Uo R e The safety barrier must be IE CEx certified e Inputvoltage of the safety barrier must be less than 250 Vrms Vdc e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation and will void IEC Ex Intrinsically safe and type n certification e The cable entry devices and blanking elements for type n shall be of a certified type providing a level of ingress protection of atleast IP54 suitable for the conditions of use and correctly installed e Electrical Connection b The type of electrical connection is stamped near the electrical connection port according to the following Hazardous Location lt Non hazardous Location Group IIC Zone 2 IECEx Certified Equipment nL EJA Series Pressure Transmitters Not Use Safety Barrier F0208 ai
6. es referentes aos produtos Ex da ATEX est o dispon veis em Ingl s Alem o e Franc s Se necessitar de instru es na sua l ngua relacionadas com produtos Ex dever entrar em contacto com a delega o mais pr xima ou com um representante da Yokogawa Tous les manuels d instruction des produits ATEX Ex sont disponibles en langue anglaise allemande et fran aise Si vous n cessitez des instructions relatives aux produits Ex dans votre langue veuillez bien contacter votre repr sentant Yokogawa le plus proche Alle Betriebsanleitungen f r ATEX Ex bezogene Produkte stehen in den Sprachen Englisch Deutsch und Franz sisch zur Verf gung Sollten Sie die Betriebsanleitungen f r Ex Produkte in Ihrer Landessprache ben tigen setzen Sie sich bitte mit Ihrem rtlichen Yokogawa Vertreter in Verbindung Alla instruktionsb cker f r ATEX Ex explosionssakra produkter r tillg ngliga pa engelska tyska och franska Om Ni beh ver instruktioner f r dessa explosionss kra produkter p annat spr k skall Ni kontakta n rmaste Yokogawakontor eller representant Oda Ta eyyerpi ta Aevtovpyias Twv TpoLovTwY pe ATEX Ex btaTibevtot ota AyyAuKa Teppavika kar TohAusg Le mepintwon Tov xperaleote o nyies oxeTik pe Ex OTNV TOTLK AO TAPAKAAOVLE ETLKOLVWIT OTE HE TO TANTLETTEPO ypagsio Ts Yokogawa 0 AVTLTP TWTO TNS GO DG V etky n vody na obsluhu pre pr stroje s ATEX Ex s k dispoz cii v jazyku angli
7. oe Rewrita Applicability No Item Description bility Remarks Default Value FIP L D30 TEMP UNIT Temperature setting units O deg C deg F deg C olojo D31 STAT P UNIT Static pressure setting O Selected from mmH20 As specified when O J Q units mmAq mmWG mmHg Torr ordered If not Pa hPa kPa MPa mbar specified MPa bar gf cm2 kgf cm2 inH20 inHg ftH20 psi or atm D40 REV OUTPUT Output reversal O NORMAL REVERSE If not specified O O 0 NORMAL D45 H L SWAP Impulse piping accessing O NORMAL REVERSE 4 NORMAL Q direction D52 BURN OUT CPU error HIGH LOW 5 to 110 3 HIGH olol lo D53 ERROR OUT Hardware error O HOLD HIGH LOW 5 to HIGH ojol o 110 3 D60 SELF CHECK Self diagnostic messages Same as A60 OJOJ O O E AUXSET2 Auxiliary setting data 2 Menu name O O O E10 DFS MODE DFS mode O OFF ON gt 5 ON OoOj oj E14 TEMP SELECT Reference temperature sensor O AMP TEMP CAP TEMP 5 CAP TEMP O E15 TEMP ZERO Zero shift conpensation setup O 610 00 5 0 00 OOJ E30 BI DIRE MODE Bidirectional mode O OFF ON OFF Dis E50 AUTO RECOVER Auto recover from sensor O OFF ON ON O Q error E60 SELF CHECK Self diagnostic messages Same as A60 O H AUTO SET Automatic setup Menu name olojo H10 AUTO LRV Automatic measurement O 32000 to 32000 Displays the same OJOJ O range lower range value setup data as C21 HU AUTO HRV Automatic measurement range O 32000 to 32000 Displays the
8. As specified when OJOO range value measurement range ordered C22 HIGH RANGE Measurement range O 32000 to 32000 butwithin As specified when olol lo higher range value measurement range ordered C30 AMP DAMPING Damping time constant O Selected from 0 2 2 0 5 1 0 2 0s ojol lo 2 0 4 0 8 0 16 0 32 0 or 64 0 sec C40 OUTPUT MODE Output mode and integral O Selected from OUT LIN DSP As specified when O indicator mode LIN OUT LIN DSP SQR ordered OUT SQR DSP SQR If not specified OUT LIN DSP LIN C60 SELF CHECK Self diagnostic messages Same as A60 O O D AUXSET1 Auxiliary setting data 1 Menu name olojo D10 LOW CUT Low cut O 0 0 to 20 0 10 0 O O 0 DU LOW CUT MODE Lowcutmode O LINEAR ZERO LINEAR O O 0 D15 OUT LIMIT L Lower output range limit O 5 0 to 110 0 5 0 7 olol lo D16 OUT LIMIT H Lower output range limit O 5 0 to 110 0 110 0 ojol o D20 DISP SELECT Display selection O NORMAL USER SET USER As specified when O O amp INP PRES PRES amp ordered D21 DISP UNIT Engineering unit for display O 8 uppercase alphanumerics ojol lo D22 DISP LRV Engineering range lower O 19999 to 19999 As specified when OJOJ O range value ordered D23 DISP HRV Engineering range higher O 19999 to 19999 As specified when olol lo range value ordered IM 01C22A01 01E lt 8 Parameter Summary gt
9. IECEx Flameproof Type Caution for IECEx flameproof type marking Note 1 Model EJ A Series differential gauge and Screw Size Marking absolute pressure transmitters with optional Sone era AM code SU2 are applicable for use in hazardous ae locations ANSI 1 2 NPT female AA No IECEx KEM 06 0005 e Applicable Standard IEC 60079 0 2004 IEC60079 1 2003 e Type of Protection and Marking Code ExdllC T6 74 Enclosure IP 67 e Maximum Process Temperature 120 C T4 100 C T5 85 C T6 e Ambient Temperature 40 to 75 C T4 40 to 80 C T5 40 to 75 C T6 e Supply Voltage 42 V dc max e Output Signal 4 to 20 mA dc Location of the marking F0207 ai D Note 4 Operation e WARNING WHEN AMBIENT TEMPERATURE 255 C USE THE HEAT RESISTING CABLES 2 90 C Note 5 Special Conditions for Safe Use e WARNING IN THE CASE WHERE THE ENCLOSURE OF Note 2 Wiring e In hazardous locations the cable entry devices shall THE PRESSURE TRANSMITTER IS MADE OF ALUMINUM IF IT IS MOUNTED IN AN AREA WHERE THE USE OF ZONE 01S REQUIRED IT MUST BE INSTALLED SUCH THAT EVEN IN THE EVENT OF RARE INCIDENTS IGNITION SOURCES DUE TO IMPACT AND FRICTION SPARKS ARE EXCLUDED be of a certified flameproof type suitable for the conditions of use and correctly installed Unused apertures shall be closed with suitable flameproof certified blanking elements The plug attached is certificated as the flame proof
10. S Check EJ A510A Mounting bracket Mounting bracket 1 o EJA530A E andF L or flat type The model name and specifications are indicated on the Plate 1 name plate attached to the case Adapter d DPN TRANSMITTER YNE EJ A210A Ser de T Teflon film 1 SE ption code S f EJ A438W Fluorinated oil 1 CE y Teflon film 2 N200 EJ A118W Option code T Fluorinated oil 2 YOKOGAWA toxvo 180 8750 JAPAN A Refer to USER S MANUAL F0203 ai Figure 2 2 Name Plate EJA110A EJA120A 1 A EJA130A oo o ooch EJA310A 3 C S GE 4 D 2 2 Selecting the Installation E AROR Location EJA210A_ ogqgo020 oct The transmitter is designed to withstand severe EJA220A 3 environmental conditions However to ensure stable S and accurate operation for years observe the following EJAN80 ppooooog ooog oog precautions when selecting an installation location EJA4380 B A a Ambient Temperature EJA115 ooo0000 ooo Avoid locations subject to wide temperature variations S ora Significant temperature gradient If the location EJA510A E is exposed to radiant heat from plant equipments Eyasgoq HUDD OOO provide adequate thermal insulation and or F0201 ai ventilation IM 01C22A01 01E b Ambient Atmosphere Avoid installing the transmitter in a corrosive atmosphere If the transmitter must be installed in a corrosive atmosphere there must be adequate ventilation as well as measures to prevent intrusion or stagnation of rain water in condui
11. Transmitter and Distributor Figure 5 4 5 3 2 Wiring Installation 1 General use Type and intrinsically Safe Type Make cable wiring using metallic conduit or waterproof glands e Apply a non hardening sealant to the terminal box connection port and to the threads on the flexible metal conduit for waterproofing Apply a non hardening Wiring metal sealant to the threads for conduit waterproofing Tee Drain plug F0506 ai Figure 5 5 Typical Wiring Using Flexible Metal Conduit 2 Flameproof Type Wire cables through a flameproof packing adapter or using a flameproof metal conduit 8 Wiring cable through flameproof packing adapter e Apply a non hardening sealant to the terminal box connection port and to the threads on the flameproof packing adapter for waterproofing Flameproof packing adapter Flexible metal conduit Wiring metal Apply a non hardening conduit sealant to the threads for waterproofing Tee Drain plug F0507 ai Figure 5 6 Typical Cable Wiring Using Flameproof Packing Adapter e Measure the cable outer diameter in two directions to within 1 mm e Calculate the average of the two diameters and use packing with an internal diameter nearest to this value see Table 5 1 Table 5 1 Flameproof Packings and Applicable Cable Outer Diameters Optional Wiring Port Applicable Identifying Part Code Treaa Cable OD Mark Number Diameter mm
12. adjustment back to the previous settings E Using the Transmitter Zero adjustment Screw Use a slotted screwdriver to turn the zero adjustment screw Turn the screw clockwise to increase the output or counterclockwise to decrease the output The zero point adjustment can be made with a resolution of 0 01 of the setting range Since the degree of zero adjustments varies with the screw turning speed turn the screw slowly for fine adjustment and quickly for coarse adjustment Zero adjustment Screw Zero adjustment screw F0604 ai IM 01C22A01 01E uoneisdo a lt 7 Errors and Countermeasures gt 28 T Errors and Countermeasures A NOTE For FOUNDATION Fieldbus and PROFIBUS PA communication types please refer to manuals in the attached CD ROM The table below shows a summary of error messages for BRAIN and HART protocols Table 7 1 Error Message Summary Integral Indicator Description Cause Output Operation during Error Countermeasure Display None GOOD ERROR Er 01 CAP MODULE FAULT Capsule problem 1 Outputs the signal according to Replace the capsule when status of a burnout direction pin error keeps appearing even or switch the signal can be setas after restart 2 hold for BRAIN protocol Er 02 AMP MODULE FAULT Amplifier problem Outputs the signal Hold Outputs Replace amplifier the signal according to status of a burnout direction pin or switch the signal can be set a
13. cover is closed it should be locked by a shrouding bolt without fail Tighten the shrouding bolt to a torque of 0 7 N m 1 Remove the cover 2 Supporting the integral indicator by hand loosen its two mounting screws 3 Dismountthe LCD board assembly from the CPU assembly When doing this carefully pull the LCD board assembly straight forward so as not to damage the connector pins between it and the CPU assembly lt 3 Installation gt 1 8 After rotating the LCD align both the LCD board assembly and CPU assembly connectors and engage them Insert and tighten the two mounting screws Replace the cover Qe CPU assembly A Snhrouding bolt LCD board assembly F0311 ai Figure 3 11 Rotating Integral Indicator IM 01C22A01 01E lt 4 Installing Impulse Piping gt 19 4 Installing Impulse Piping 4 1 Impulse Piping Installation Precautions The impulse piping that connects the process outputs to the transmitter must convey the process pressure accurately If for example gas collects in a liquid filled impulse piping or the drain of a gas filled impulse piping becomes plugged the impulse piping will not convey the pressure accurately Since this will cause errors in the measurement output select the proper piping method for the process fluid gas liquid or steam Pay careful attention to the following points when routing the impulse piping and connecting the impulse piping to the transmitter
14. have the appropriate mark of certification labeled on its case and 2 be used in compliance with the specifications marked on its certification label equipment nameplate and precautionary information furnished Note Intrinsically safe apparatus satisfy their performance under specific conditions They are not always absolutely safe under every operational and environmental condition In other words they are not safe products involved with factors such as chemical reactions geographical changes or the like other than affected by electric energy from the equipment itself 2 Electrical Apparatus of Intrinsic Safety Type of Explosion Protected Consiruction The intrinsic safety type of explosion protected construction is a method of protection applicable to a circuit or part of a circuit in which under prescribed test conditions no spark or thermal effect whether produced normally or accidentally is capable of causing a prescribed explosive gas to ignite In other words electrical apparatus of this construction is intended to suppress electrical energy thereby preventing ignition of a given explosive gas atmosphere even though spark or high thermal effect occurs in the electric circuitry Intrinsically safe electrical apparatus generally comprise intrinsically safe apparatus installed in a hazardous location and a safety barrier associated apparatus installed in a non hazardous location aimed at preventing electrical energy fr
15. in a location where the ambient temperature ranges from 20 to 40 C for those certified under Technical Criteria or 10 to 40 C for those certified under the Recommended Practice for Explosion Protected Electrical Installations in General Industries 1979 However some field mounted intrinsically safe apparatus may be used atan ambient temperature up to 60 C So specifications should be checked before installing intrinsically safe apparatus If the intrinsically safe apparatus are exposed to direct sunshine or radiant heat from plant facilities appropriate thermal protection measures shall be taken 6 Wiring for Intrinsically Safe Circuits In intrinsically safe construction safety shall be maintained as an intrinsically safe system involving intrinsically safe apparatus and safety barriers connected thereto and electrical wiring through intrinsically safe circuits interconnected between them In other words even when safety requirements are maintained individually by intrinsically safe apparatus and safety barriers they shall not be affected by electrical or magnetic energy caused by electrical wiring To make electrical wiring for intrinsically safe circuits you must a refer to the equipment configuration diagram and make electrical wiring properly prevent intrinsically safe wiring from being contacted with non intrinsically safe wiring and separate the intrinsically safe circuit from other electric
16. length of joint surface Ona joint surface the length of the shortest path through which flame flows from the inside to outside of the flameproof enclosure This definition cannot be applied to threaded joints 5 Gaps between joint surfaces The physical distance between two mating surfaces or differences in diameters if the mating surfaces are cylindrical Note The permissible sizes of gaps between joint surfaces the path length of a joint surface and the number of joint threads are determined by such factors as the enclosure s internal volume joint and mating surface construction and the explosion classification of the specified gases and vapours 4 Installation of Flameproof Apparatus 1 Installation Area Flameproof apparatus may be installed in accordance with applicable gases in a hazardous area in Zone 1 or 2 where the specified gases are present Those apparatus shall not be installed in a hazardous area in Zone 0 Note Hazardous areas are classified in zones based upon the frequency of the appearance and the duration of an explosive gas atmosphere as follows Zone 0 Anarea in which an explosive gas atmosphere is present continuously or is present for long periods Zone 1 Anarea in which an explosive gas atmosphere is likely to occur in normal operation Zone 2 Anarea in which an explosive gas atmosphere is not likely to occur in normal operation and if itdoes occur it will exist for a short period only
17. on its certification label equipment nameplate and precautionary information furnished 2 Electrical Apparatus of Flameproof Type of Explosion Protected Construction Electrical apparatus which is of flameproof construction is subjected to a type test and certified by the J apanese Ministry of Labour aiming at preventing explosion caused by electrical apparatus in a factory or any location where inflammable gases or vapours may be present The flameproof construction is of completely enclosed type and its enclosure shall endure explosive pressures in cases where explosive gases or vapours entering the enclosure cause explosion In addition the enclosure construction shall be such that flame caused by explosion does not ignite gases or vapours outside the enclosure In this manual the word flameproof is applied to the flameproof equipment combined with the types of protection e o i and d as well as flameproof equipment 3 Terminology 1 Enclosure An outer shell of an electrical apparatus which encloses live parts and thus is needed to configure explosion protected construction 2 Shroud A component part which is so designed that the fastening of joint surfaces cannot be loosened unless a special tool is used 3 Enclosure internal volume This is indicated by the total internal volume of the flameproof enclosure minus the volume of the internal components essential to equipment functions 4 Path
18. shows examples of typical process piping connections Before connecting the transmitter to the process study the transmitter installation location the process piping layout and the characteristics of the process fluid corrosiveness toxicity flammability etc in order to make appropriate changes and additions to the connection configurations Note the following points when referring to these piping examples e The process piping material used must be compatible with the process pressure temperature and other conditions e A variety of process piping mounted stop valves are available according to the type of connection flanged screwed welded construction globe gate or ball valve temperature and pressure Select the type of valve most appropriate for the application Gas flow measurement Union or flange AE Stop valve Manifold Process piping Liquid flow measurement A Manifold ae Union or flange e Stop valve F0410 ai Figure 4 10 Process Piping Connection Examples EJA115 IM 01C22A01 01E 5 Wiring A NOTE For FOUNDATION Fieldbus and PROFIBUS PA communication types please refer to manuals in the attached CD ROM 5 1 Wiring Precautions AA IMPORTANT e Lay wiring as far as possible from electrical noise sources such as large capacity transformers motors and power supplies e Remove electrical connection dust cap before wiring e Allthreaded parts must
19. the range in the figure below Note In case of an intrinsically safe transmitter external load resistance includes safety barrier resistance 600 External ose Communication load applicable range resistance BRAIN and HART R 9 VY ae Wis 0 10 5 16 4 24 7 42 Power supply voltage E V DC F0511 ai Figure 5 10 Relationship between Power Supply Voltage and External Load Resistance IM 01C22A01 01E SH 7 6 Operation A NOTE For FOUNDATION Fieldbus and PROFIBUS PA communication types and for the transmitter operating confirmation and zeroing by any communication method refer to manuals in the attached CD ROM for further information 6 1 Preparation for Starting Operation m Confirming that Transmitter is Operating Properly On the integral indicator e Ifthe wiring system is faulty the display stays blank e Ifthe transmitter is faulty an error code will appear on the display according to the nature of the error mm U D a om mm Self diagnostic error on the integral indicator Faulty transmitter A NOTE If any of the error indications above appears on the display of the integral indicator refer to Chapter 7 for corrective action F0601 ai E Verify and Change Transmitter Parameter Setting and Values The following parameters are the minimum settings required for operation e Measuring range e Output integr
20. to 110 3 O O All ENGR OUTPUT Output ln engineering units 19999 to 19999 ojol lo A20 AMP TEMP Amplifier temperature Unit specified in D30 ojol o A21 CAPSULE TEMP Capsule temperature Unit specified in D30 OJOJOO A30 STATIC PRESS Static pressure Unit specified in D31 1 Di O A40 INPUT Input indicated as the 32000 to 32000 O value after zeroing A60 SELF CHECK Self diagnostic GOOD ERROR CAP MODULE FAULT AMP O O oO messages MODULE FAULT OUT OF RANGE OUT OF SP RANGE OVER TEMP CAP OVER TEMP AMP OVER OUTPUT OVER DISPLAY ILLEGAL LRV ILLEGAL HRV ILLEGAL SPAN and ZERO ADJ OVER B SENSORTYPE Sensor type Menu name OJOIJ O B10 MODEL Model span 16 uppercase alphanumerics ojol lo B11 STYLE NO Style number ojol lo B20 LRL Lower range limit 32000 to 32000 OJOJOO B21 URL Upper range limit 32000 to 32000 ojol o B30 MIN SPAN Minimum span 32000 to 32000 ojol o B40 MAX STAT P Maximum static pressure 6 O Q B60 SELF CHECK Self diagnostic Same as A60 ojol o messages C SETTING Setting data Menu name O OJ O C10 TAG NO Tag number O 16 alphanumerics As specified when O IOO ordered C20 PRESS UNIT Measurement range units O Selected from mmH20 As specified when O mmAq mmMWG mmHg ordered Torr Pa hPa kPa MPa mbar bar gf cm2 kgf cm inH20 inHg ftH20 psi or atm C21 LOW RANGE Measurement range lower O 32000 to 32000 but within
21. 0 etc F0503 ai Figure 5 2 Handheld Terminal Connection 5 3 Wiring A caution For the intrinsically safe equipment and flameproof equipment wiring materials and wiring work for these equipment including peripherals are strictly restricted Users absolutely must read Installation and Operating Precautions for TIIS Intrinsically Safe Equipment and Installation and Operating Precautions for TIIS Flameproof Equipment at the end of this manual prior to the work IM 01C22A01 01E lt 5 Wiring gt 24 5 3 1 Loop Configuration Since the DPharp uses a two wire transmission system Signal wiring is also used as power wiring DC power is required for the transmitter loop The transmitter and distributor are connected as shown below For details of the power supply voltage and load resistance see Section 5 6 1 General use Type and Flameproof Type Hazardous Location lt Non hazardous Location Transmitter terminal box DER ansminerte S Distributor Power supply unit Receiver instrument F0504 ai Connection between Transmitter and Distributor Figure 5 3 2 Intrinsically Safe Type For intrinsically safe type a safety barrier must be included in the loop Hazardous Location lt Non hazardous Location Transmitter terminal box Distributor Power supply unit Receiver instrument Safety barrier F0505 ai Connection between
22. 1 EJ A510A and EJ A530A IM 01C21F01 01E Te EJ A118W EJ A118N and Ate IM 01C22H01 01E S2 EJ A438W and EJ A438N IM 01C22J 01 01E Te EJ A115 IM 01C22K01 01E SE EJ ASeries HART Protocol IM 01C22T01 01E EJ A Series FOUNDATION Fieldbus M 01C22T02 01E Communication Type EJ A Series PROFIBUS PA aor IM 01C22T03 00E Communication Type HR Regarding This Manual This manual should be passed on to the end user The contents of this manual are subject to change without prior notice All rights reserved No part of this manual may be reproduced in any form without Yokogawa s written permission Yokogawa makes no warranty of any kind with regard to this manual including but not limited to implied warranty of merchantability and fitness for a particular purpose If any question arises or errors are found or if any information is missing from this manual please inform the nearest Yokogawa sales office The specifications covered by this manual are limited to those for the standard type under the specified model number break down and do not cover custom made instruments uononpow u H Please note that changes in the specifications construction or component parts of the instrument may notimmediately be reflected in this manual at the time of change provided that postponement of revisions will not cause difficulty to the user from a functional or performance standpoint Yo
23. 2 9 32 Nakacho Musashino shi Tokyo J apan 2 5 EMC Conformity Standards ea EN61326 1 Class A Table 2 For use in industrial locations EN61326 2 3 A caution This instrumentis a Class A product and itis designed for use in the industrial environment P lease use this instrumentin the industrial environment only A NOTE YOKOGAWA recommends customer to apply the Metal Conduit Wiring or to use the twisted pair Shield Cable for signal wiring to conform the requirement of EMC Regulation when customer installs the EJ A Series Transmitters to the plant suonnes DuUDUEL 2 6 PED Pressure Equipment Directive 1 General e EJA series of pressure transmitters are categorized as pressure accessories under the vessel section of this directive 97 23 EC which corresponds to Article 3 Paragraph 3 of PED denoted as Sound Engineering Practice SEP e EJA130A EJ A440A EJ A510A and EJ A530A can be used above 200 bar and therefore considered as a part of a pressure retaining vessel where category lll Module H applies These models with option code PE3 conform to that category IM 01C22A01 01E lt 2 Handling Cautions gt 14 2 Technical Data Models without P E3 Article 3 Paragraph 3 of PED denoted as Sound Engineering Practice SEP Models with PE3 Module H Type of Equipment Pressure Accessory Vessel Type of Fluid Liquid and Gas Group of Fluid 1 and 2
24. 210 ai Ratings of the Power Supply as follows Maximum Voltage 30 V e CENELEC ATEX Type of Protection Dust e Applicable Standard EN50281 1 1 1997 e Type of Protection and Marking Code Il 1D e Maximum Surface Temperature T65 C Tamb 40 C T85 C Tamb 60 C and T105 C Tamb 80 C Note 1 Installation instructions The cable entry devices and blanking elements Shall be of a certificated type providing a level of ingress protection of atleast IP 6x suitable for the conditions of use and correctly installed 2 Electrical Connection The type of electrical connection is stamped near the electrical connection port according to the following marking Screw Size Marking ISO M20 x 1 5 female AM ANSI 1 2 NPT female AA Location of the marking F0211 ai 3 Installation A WARNING e All wiring shall comply with local installation requirement and local electrical code e There is no need of the conduit seal for both of Division 1 and Division 2 hazardous locations because this product is sealed at factory e Incase ofANSI 1 2 NPT plug ANSI hexagonal wrench should be applied to screw in SSS eee ee ee are IM 01C22A01 01E lt 2 Handling Cautions gt 13 4 Operation A WARNING e OPEN CIRCUIT BEFORE REMOVING COVER INSTALL IN ACCORDANCE WITH THIS USER S MANUAL e Take care not to generate mechanical sparking when access to the instrument and peripheral devices in h
25. 5 6241 2606 YOKOGAWA ELECTRIC KOREA CO LTD 14 1 Yangpyongdong 4Ga Youngdeungpo Gu Seoul 150 866 KOREA Phone 82 2 2628 6000 Fax 82 2 2628 6400 YOKOGAWA AUSTRALIA PTY LTD Tower A 112 118 Talavera Road Macquarie Park N S W 2113 AUSTRALIA Phone 61 2 8870 1100 Fax 61 2 8870 1111 YOKOGAWA INDIA LTD Plot No 96 Electronic City Complex Hosur Road Bangalore 560100 INDIA Phone 91 80 4158 6000 Fax 91 80 2852 0625 YOKOGAWA CHINA CO LTD Tangyue Pavilion Xi an software park No 72 Keji 2nd Road Xi an High tech Industries Development Zone Xi an 710075 CHINA Phone 86 29 87669988 Fax 86 29 87607800 May 08 Printed in Japan
26. 8 Bi dir Mode 4 Sensor Temperature ED 9 H2O Unit Select 5 Static Pressure S 6 Engineering Unit 3 3 OUTPUT 1 PROCESS 7 Engineering Display 3 CONDITION VARIABLES 2 1 Loop Test fei 2 Digital to Analog Trim 2 ANALOG 3 Scaled D A Trim OUTPUT 4 Auto recover 5 AQ lower limit 3 Analog Output 6 AO upper limit Alarm 1 Poll Address 4 HART OUTPUT 2 Number of Request Preambles 3 Burst Mode 4 Burst Option 4 DISPLAY 1 Display Mode 1 Engineering Unit CONDITION 2 Display Function 2 Engineering Display LRV 3 Engineering 3 Engineering Display URV Display Range 4 Engineering Display Point 5 DEVICE 5 REVIEW INFORMATION 1 Field Device Info 2 Sensor Info 3 Self Test F0801 ai IM 01C22A01 01E lt 8 Parameter Summary gt 30 BRAIN Communication Parameter List Instruments to which applicable F Differential pressure transmitters E A110A EJ A120A EJ A130A EJ A118W EJ A118N EJ A118Y and EJ A115 EJ A310A EJ A430A EJ A440A EJ A510A EJ A530A EJ A438W and EJ A438N P Pressure transmitters L Liquid level transmitters EJ A210A and EJ A220A sch Rewrita Applicability No Item Description bility Remarks Default Value F P L 01 MODEL Model capsule type Oo 02 TAG NO Tag number 16 alphanumerics OJOJOO 03 SELF CHECK Self diagnostic result GOOD ERROR olol lo A DISPLAY Measured data display Menu name O O 0 A10 OUTPUT Output in 5
27. Gil 8tol10 16 8 10 GD G1 2 10 1to12 16 10 12 09601AM e Mounting flameproof packing adapter body to conduit connection see Figure 5 7 1 Screw the flameproof packing adapter into the terminal box until the O ring touches the wiring port at least 6 full turns and firmly tighten the lock nut IM 01C22A01 01E lt 5 Wiring gt 25 2 Insert the cable through the union cover the union coupling the clamp nut the clamp ring the gland the washer the rubber packing and the packing box in that order 3 Insert the end of the cable into the terminal box 4 Tighten the union cover to grip the cable When tightening the union cover tighten approximately one turn past the point where the cable will no longer move up and down Proper tightening is important If itis too tight a circuit break in the cable may occur if not tight enough the flameproof effectiveness will be compromised 5 Fasten the cable by tightening the clamp nut 6 Tighten the lock nut on the union cover 7 Connect the cable wires to each terminal Apply a non hardnening sealant to the threads for waterproofing Z Clamp nut e Union coupling es Lock nut O ring CH Adapter body Q Lock nut __ ce Wrench GI Packing box Si Rubber packing fg Washer 2 Gland 8 Clamp ring EH fe Wrench Union cover Cable F0508 ai Figure 5 7 Installing Flam
28. IP 67 as a part of this apparatus In case of ANSI 1 2 NPT plug ANSI hexagonal wrench should be applied to screw in IM 01C22A01 01E Note 3 Operation e WARNING AFTER DE ENERGIZING DELAY 10 MINUTES BEFORE OPENING e WARNING WHEN AMBIENT TEMPERATURE 270 C USE THE HEAT RESISTING CABLES 2 90 C e Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 4 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void IECEx Certification 2 4 4 CENELEC ATEX KEMA Certification 1 Technical Data a CENELEC ATEX KEMA intrinsically Safe Type Caution for CENELEC ATEX KEMA intrinsically safe type Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code KS2 for potentially explosive atmospheres e No KEMA 02ATEX1030 X e Applicable Standard EN50014 1997 EN50020 1994 EN50284 1999 e Type of Protection and Marking code EEx ia IIC T4 e Temperature Class T4 e Enclosure IP 67 e Process Temperature 120 C max e AmbientTemperature 40 to 60 C Note 2 Electrical Data e In type of explosion protection intrinsic safety EEx ia IIC only for connection to a certified intrinsically safe circuit with following maximum values Ui 30 V li 165 mA Pi 0 9 W Effective intemal c
29. Minimum working pressure limit EJ A4380 Wetted parts material code PO Minimum working pressure limit 3178 3596 6074 4711 S TU H 5254 6980 13019 ds Specific gravity of fill fluid at 25 C Fill fluid code A B CP D ds Specific gravity 1 07 0 94 1 09 Se dHg Specific gravity of the Mercury 13 6 at 25 C geg Wetted parts material code omer Fill fluid code EJA lt 3 Installation gt 1 7 Low pressure side High pressure side F0308 ai Example of Installation to Tank Caution on Installation Figure 3 8 3 4 Affixing the Teflon Film AA IMPORTANT The FEP Teflon option includes a teflon film and fluorinated oil Before mounting the transmitter to the process flange affix the teflon film as follows 1 Position the diaphragm so that the diaphragm is in an upward position 2 Pour the fluorinated oil on the diaphragm and gasket area covering it completely and evenly Be careful not to scratch the diaphragm or change the its shape 3 Affix the teflon film over the diaphragm and gasket area 4 Next carefully inspect the cover and try to identify any entrapped air between the diaphragm and the teflon film The air must be removed to ensure accuracy If air pockets are present use your fingers to remove the air by startin
30. Ministry of Labour the Research Institute of Industrial S afety Note 1 Testing Apparatus Intrinsically safe apparatus and safety barriers are assessed individually to ensure that their safety requirements are satisfied Tested and certified intrinsically safe apparatus and safety barriers incorporate individual certification numbers A combination of intrinsically safe apparatus and safety barriers involves the following two limitations EX A03E lt Installation and Operating Precautions for TIIS Intrinsically Safe Equipment gt 33 1 A safety barrier which meets the combination requirements by referring to its safety rating and combination parameters shall be selected 2 For pressure transmitters pH transmitters temperature detectors and the like safety barriers thatcan be combined are already specified Other safety barriers cannot be used Note 2 Testing Intrinsically Safe System An assembly as a system in which intrinsically safe apparatus and safety barriers are combined is assessed to ensure that its safety requirements are satisfied A tested and certified system incorporates a certification number intrinsically safe apparatus and safety barriers have the same certification number Note 3 Impossible Combinations of Apparatus Certified Under Different Standards Intrinsically safe apparatus certified under technical criteria and safety barriers certified under the Recommended Practice for Explosion P rotec
31. Note 4 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation and Yokogawa Corporation of America is prohibited and will void Canadian Standards Explosionproof C ertification Non Hazardous Hazardous Locations Division 1 Locations Non hazardous l Location Equipment 50 cm Max 42 V DC Max 4 to 20 mA DC Signal ae Conduit Sealing Fitting EJA Series Non Hazardous Hazardous Locations Division 2 Locations Non hazardous Location Equipment 4 to 20 mA DC Signal EJA Series F0206 ai lt 2 Handling Cautions gt 9 c CSAlntrinsically Safe Type CSA Explosionproof Type Model EJ A Series pressure transmitters with optional code CU1 can be selected the type of protection CSA Intrinsically Safe or CSA E xplosionproof for use in hazardous locations Note 1 Forthe installation of this transmitter once a particular type of protection is selected any other type of protection cannot be used The installation must be in accordance with the description about the type of protection in this instruction manual Note 2 In order to avoid confusion unnecessary marking is crossed out on the label other than the selected type of protection when the transmitter is installed 2 4 3 IECEx Certification Model EJ A Series differential gauge and absolute pressure transmitte
32. OKOGAWA A Yokogawa Electric Corporation IM 01C22A01 01E 2nd Edition lt 1 Introduction gt 1 1 Introduction Thank you for purchasing the DP harp electronic pressure transmitter This manual provides the basic guidelines for installation and wiring procedures of the DP harp EJ A Series with BRAIN and HART protocols Itdoes not provide the product specific functional specifications and explanations maintenance troubleshooting and fieldbus communication operating procedures both FOUNDATION Fieldbus and PROFIBUS PA For the items which are not covered in this manual see the applicable user s manuals in the CD ROM attached to this manual as listed in Table 1 1 e Installation manual this document EJA series common manual lt Contents gt Installation Impulse piping installation e Wiring e Zeroing e Attached CD ROM includes PDF manuals for Product specific manuals 7 PDFs by model code e HART operation manual 1 PDF Fieldbus communication manuals 2 PDFs lt Contents of product specific manuals gt e Installation e BT200 operation e Impulse piping installation Maintenance e Wiring e Specifications e Zeroing Parts list F0101 ai Table 1 1 PDF Manual List and Applicable Style Code Models Document No Style EJ A110A EJ A120A and M 01C21B801 01E 54 EJ A130A EJ A210A and EJ A220A IM 01C21C01 01E Ten EJ A310A EJ A430A and EJ AJ40A IM 01C21D01 01E S
33. S afety Inc These tests are required to satisfy either the technical criteria for electrical machinery and equipment in compliance with explosionproof standards involving inflammable gases or vapors and for machinery and equipment having explosionproof performance standards notification no 556 from the J apanese Ministry of Labor hereinafter referred to as technical criteria in conformity with IEC Standards or the Recommended Practice for Explosion P rotected Electrical Installations in General Industries published in 1979 Such a certified apparatus can be used in hazardous locations where inflammable gases or vapors may be present Certified apparatus includes a certification label and an equipment nameplate with the specifications necessary for explosion requirements as well as precautions on explosion protection Please confirm these precautionary items and use them to meet specification requirements For electrical wiring and maintenance servicing please refer to Internal Wiring Rules in the Electrical Installation Technical Standards as well as USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry published in 1994 To meet intrinsically safe requirements equipment that can be termed an intrinsically safe apparatus must 1 be certified by the Technical Institute of Industrial Safety Inc in accordance with the Labor Safety and Health Laws of J apan and
34. User s Manual Sms mp g w BE el E3 SIE EJA Series Differential Pressure and Pressure Transmitters Installation Manual CD ROM included IM 01C22A01 01E vigilantplant Introduction dech For Safe Use of Product 1 2 Warana dea AT EX Domen TEE Handling Cautions 2 1 Model and Specifications Check 5 2 2 Selecting the Installation Location scere 5 2 3 Pr ssure CONNECHON is ege cieciiencaseaceienae 6 2 4 Installation of Explosion Protected Type scene 6 25 EMC Conformity Standards AEN 13 2 6 PED Pressure Equipment Directive cece 13 2 7 Low Voltage Directive 14 Installation 3 1 Oldie Le WE 3 2 Mounting the Diaphragm Seals 3 3 Diaphragm Seals Installation Consideration 16 3 4 Affixing the Teflon Em 3 5 Rotating Transmitter S ection 3 6 Changing the Direction of Integral Indicator 18 Installing Impulse Piping 4 1 Impulse Piping Installation Precautions ssec 19 4 2 Impulse Piping Connection Examples 4 3 Process Piping Installation Precautions seseeees 22 Wiring SI Wiring PreCaUtions iiisissssississssssscsssacsnatceasavenvassasaceases 23 5 2 Connections of External Wiring to Terminal Bos 23 5 3 WIN Le DEE 23 5 4 Groundin Geese eegene 25 5 5 Power Supply Voltage and Load Resistance 25 Operation 6 1 P reparation for Starting Operation 6 2 Zero Point Adustment Errors and Countermeasures Parameter Summary Y
35. al EJA Series Pressure Purpose Transmitters Equipment i Not Use i Safety Barrier F0205 ai b CSAExplosionproof Type Caution for CSA explosionproof type Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code CF 1 are applicable for use in hazardous locations Certificate 1089598 e Applicable Standard C22 2 No 0 No 0 4 No 25 No 30 No 94 No 142 e Explosionproof for Class I Division 1 Groups B C and D e Dust ignitionproof for Class II III Division 1 Groups E F andG e Encl Type 4X IM 01C22A01 01E e Temperature Class T6 T5 andT4 e Process Temperature 85 C T6 100 C T5 and 120 C T4 e Ambient Temperature 40 to 80 C e Supply Voltage 42 V dc max e Output Signal 4 to 20 mA Note 2 Wiring e All wiring shall comply with Canadian Electrical Code Partl and Local Electrical Codes e In hazardous location wiring shall be in conduit as shown in the figure CAUTION SEALALL CONDUITS WITHIN 50 cm OF THE ENCLOSURE UN SCELLEMENT DOIT ETRE INSTALL A MOINS DE 50cm DU BITIER e When installed in Division 2 SEALS NOT REQUIRED Note 3 Operation e Keep the CAUTION label attached to the transmitter CAUTION OPEN CIRCUIT BEFORE REMOVING COVER OUVRIR LE CIRCUIT AVANT D NLEVER LE COUVERCLE e Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location
36. al circuits c prevent intrinsically safe wiring from being electrostatically and magnetically affected by non intrinsically safe wiring reduce wiring inductance and capacitance produced between the intrinsically safe apparatus and safety barrier where possible and use a shorter cable between the intrinsically safe apparatus and safety barrier than specified if the maximum permissible inductance of the cable is specified as operating conditions e conform to conditions of installation such as wiring method earthing or the like if any and f protect the outer sheath of cables from damage with appropriate measures b Q N Maintenance and Inspection of Intrinsically Safe Apparatus and Safety Barriers Maintenance and inspection of intrinsically safe apparatus and safety barriers shall be limited to within the instructions described in applicable instruction manuals If other than this is required contact the manufacturers For more information refer to the USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry issued in 1994 by the J apanese Ministry of Labour the Research Institute of Industrial Safety 1 Requirements for maintenance personnel Maintenance and inspection of intrinsically safe apparatus and safety barriers shall be conducted by maintenance personnel skilled in intrinsically safe construction and installation of electrical devices as well as capa
37. al indicator mode e Operation mode lt 6 Operation gt 26 WR Output Status Setting at CPU Failure Set the burn out direction as shown in the figures below The direction is set to the H side for delivery unless option code C1 is specified in the order For option code F 1 the output signal for down scale is 2 5 3 6 mA DC orless e BRAIN and HART except option code F1 Setting pin CN4 CPU assembly Setting Pin CN4 Burn Out Output at Position Direction Burn Out HIGH 110 or higher HL LOW 5 or lower HL F0602 ai Figure 6 1 Burn out Direction Setting Pin e HART with option code F1 CPU assembly Slide switch Burn out direction switch L H Y HIN Write protection switch Burn out direction switch Burnout Direction L Hui In Switch Position Burn out Direction HIGH LOW Hardware write protection switch Write Protection Switch Position y C D N iy E J N Write Protection NO YES F0603 ai Figure 6 2 Burn out Direction Slide Switch IM 01C22A01 01E lt 6 Operation gt 27 6 2 Zero Point Adjustment Adjust the zero point after operating preparation is completed IMPORTANT Do not turn off the power to the transmitter immediately after a zero adjustment Powering off within 30 seconds after a zero adjustment will return the
38. annot be used The installation must be in accordance with the description about the type of protection in this user s manual Note 2 In order to avoid confusion unnecessary marking is crossed out on the label other than the selected type of protection when the transmitter is installed e CENELEC ATEX Type of Protection n A WARNING When using a power supply not having a nonincendive circuit please pay attention not to ignite in the surrounding flammable atmosphere In such a case we recommend using wiring metal conduit in order to prevent the ignition e Applicable Standard EN60079 15 e Referential Standard IEC 60079 0 IEC 60079 11 e Type of Protection and Marking Code Ex nL IIC T4 e Temperature Class T4 e Enclosure IP 67 e Process Temperature 120 C max e Ambient Temperature 40 to 60 C Note 1 Electrical Data Ui 30V Effective internal capacitance Ci 22 5 nF Effective internal inductance Li 730 uH Note 2 Installation e All wiring shall comply with local installation requirements refer to the installation diagram Note 3 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void Type of Protection n lt 2 Handling Cautions gt 12 Installation Diagram Hazardous Location lt Non hazardous Location Zone 2 only Transmitter Power Supply F0
39. ap must be removed before connecting the piping Be careful not to damage the threads when removing this cap Never inserta screwdriver or other tool between the cap and port threads to remove the cap 4 3 2 Routing the Process Piping 1 Relationship between Process Fluid and Manifold Locations For the vertical impulse piping type If condensate or gas generated in the process piping were allowed to accumulate then it would be necessary to remove it periodically by opening the drain or vent plug However this would generate a transient disturbance in the pressure measurement Therefore the process piping must be routed so that any condensate or gas generated in the process piping will not accumulate in the pressure sensing assembly of the transmitter lt 4 Installing Impulse Piping gt 22 A NOTE e Ifthe process fluid is a gas then as a rule the manifold must be located at the downside of the pressure sensing assembly e Ifthe process fluid is a liquid then as a rule the manifold must be located at the upside of the pressure sensing assembly 2 Pipe Size for Process Piping Use a 15 mm 1 2 inch pipe for process piping connection to the process connector 3 Preventing Freezing If there is any risk that the process fluid in the transmitter pressure sensing assembly could freeze use a steam jacket or heater to maintain the temperature of the fluid 4 Process Piping Connection Examples Figure 4 10
40. apacitance Ci 22 5 nF Effective internal inductance Li 730 pH Note 3 Installation e All wiring shall comply with local installation requirements R efer to the installation diagram Note 4 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void KEMA Intrinsically safe Certification lt 2 Handling Cautions gt 11 Note 5 Special Conditions for Safe Use e Inthe case where the enclosure of the Pressure Transmitter is made of aluminium if itis mounted in an area where the use of category 1 G apparatus is required it must be installed such that even in the event of rare incidents ignition sources due to impact and friction sparks are excluded Installation Diagram Hazardous Location lt Non hazardous Location Transmitter Safety Barrier 1 I i i E EE Li i I F0209 ai 1 In any safety barriers used the output current must be limited by a resistor R such that Imaxout Uz R b CENELEC ATEX KEMA Flameproof Type Caution for CENELEC ATEX KEMA flameproof type Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code KF 2 for potentially explosive atmospheres e No KEMA 02ATEX2148 e Applicable Standard EN50014 1997 EN50018 2000 e Type of Protection and Marking Code EExd IIC T6 T4 e Temperature Class T6 T5 and T4 e E
41. ass Il Division 2 Groups F amp G and Class Ill Hazardous Locations not use Safety Barrier e Encl Type 4X e Temperature Class T4 e Ambient temperature 40 to 60 C e Process Temperature 120 C max lt 2 Handling Cautions gt 8 Note 2 Entity Parameters e Intrinsically safe ratings are as follows Maximum Input Voltage Vmax 30 V Maximum Input Current Imax 165 mA Maximum Input Power P max 0 9 W Maximum Internal Capacitance Ci 22 5 nF Maximum Internal Inductance Li 730 uH Associated apparatus CSA certified barriers Maximum output voltage Voc lt 30 V Maximum output current Isc lt 165 mA Maximum output power P max lt 0 9 W Note 3 Installation e All wiring shall comply with Canadian Electrical Code Partl and Local Electrical Codes e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation and Yokogawa Corporation of America is prohibited and will void Canadian Standards Intrinsically safe and nonincendive Certification Intrinsically Safe Hazardous Location Non hazardous Location I Class Il Ill Division 1 i Groups A B C D E F G General EJA Series Pressure Purpose Transmitters i Safety Barrier Equipment imo IA oeo H Eer oe u Nonincendive Hazardous Location Non hazardous Location I Class Il Division 2 Groups A B C D E F G 1 Class Ill Division 1 Gener
42. at all transmitter mounting hardware shown in Figure 2 1 is included If the transmitter was ordered Handling Cautions Bolt Process connector Process connector Gasket without the mounting bracket or without the process connector the transmitter mounting hardware is not i m S 3 included Mounting bracket Flat type Table 2 1 Applicable Model Code for Mounting Hardware ee bracket type Applicable Y bolt nut PP Suffix code Part name Qty Transmitter mounting bolt model EJA110A Process Process comecar e U bolt nut S Mounting bracket EJ A120A connections rocess connector Plate Flat type E EJA130A 1 2 3 and4 Process connector Adapter EES gasket I E EJ A210A Process connector bolt 2 h S D Fluorinated oil Es EJ A220A ee Process connector 1 Le Ce EJ A310A connections C Lea EJA430A 1 2 3 and4 Process connector 1 Ca N T EJ RAS gasket U bolt L Sd SS 3 EJ A110A F E A120A Ubo 1 U bolt S a EJ A130A U bolt nut 2 U bolt nut L l e EJ A310A Mounting bracket e o e geg 2 EJ A430A Mounting bracket Figure 2 1 Transmitter Mounting Hardware S EJ A440A A B C and D L or flat type 1 E EJ A118 5 EJ A438 Transmitter mounting 4 o EJ A115 bolt Se U boltand nut L 2 1 Model and Specifications U bolt and nut
43. ating surfaces inspection windows connections between the transmitter and terminal box shrouds or clamps or external wiring connections which are essential in flameproofness contact Yokogawa Electric Corporation A caution Do not attempt to re process threaded connections or refinish joints or mating surfaces b c Unless otherwise specified the electrical circuitry and internal mechanisms may be repaired by component replacement as this will not directly affect the requirements for flameproof apparatus however bear in mind that the apparatus must always be restored to its original condition If you attempt to repair the flameproof apparatus company specified components shall be used Before starting to service the apparatus be sure to check all parts necessary for retaining the requirements for flameproof apparatus For this check thatall screws bolts nuts and threaded connections have properly been tightened Qa 3 Prohibition of specification changes and modifications Do not attempt to change specifications or make modifications involving addition of or changes in external wiring connections 7 Selection of Cable Entry Devices for Flameproof Type AA IMPORTANT The cable glands cable entry devices for flameproof type conforming to IEC Standards are certified in combination with the flameproof apparatus So Yokogawa specified cable entry devices for flameproof type shall be used to meet t
44. autions gt 6 2 4 Installation of Explosion Protected Type In this section further requirements and differences and for explosionproof type instrument are described For explosionproof type instrument the description in this chapter is prior to other description in this users manual For the intrinsically safe equipment and explosionproof equipment in case the instrumentis not restored to its original condition after any repair or modification undertaken by the customer intrinsically safe construction or explosionproof construction is damaged and may cause dangerous condition Please contact Yokogawa for any repair or modification required to the instrument A NOTE For FOUNDATION Fieldbus and PROFIBUS PA explosion protected type please refer to manuals in the attached CD ROM A caution This instrument is tested and certified as intrinsically safe type or explosionproof type Please note that the construction of the instrument installation external wiring maintenance or repair is strictly restricted and non observance or negligence of this restriction would result in dangerous condition A WARNING To preserve the safety of explosionproof equipment requires great care during mounting wiring and piping Safety requirements also place restrictions on maintenance and repair activities Please read the following sections very carefully 2 4 1 FM Approval a FM intrinsically Safe Type Caution for FM in
45. azardous locations 5 Maintenance and Repair A WARNING The instrument modification or parts replacement by other than authorized Representative of Yokogawa Electric Corporation is prohibited and will void the certification 6 Name Plate Name plate IDPS TRANSMITTER KYNNA Ma E DISP MODE OUTPUT MODE YOKOGAWA TOKYO 180 8750 JAPAN AX Refer to USER S MANUAL AFTER DE ENERGIZING DELAY 10 MINUTES BEFORE OPENING WHEN THE AMBIENT TEMP 70 C USE THE HEAT RESISTING CABLES 90 C EEx ENCLOSURE IP Tama 40 TO 60 PROCESS TEMP 120 C LST Ci 228nF Li 730uH Tag plate for flameproof intrinsically safe type type n protection and Dust F0212 ai MODEL Specified model code STYLE Style code SUFFIX Specified suffix code SUPPLY Supply voltage OUTPUT Output signal MWP Maximum working pressure CAL RNG Specified calibration range DISP MODE Specified display mode OUTPUT MODE Specified output mode NO Serial number and year of production 1 YOKOGAWA TOKYO 180 8750 J APAN The manufacturer name and the address 2 1 The third figure from the last shows the last one figure of the year of production For example the production year of the product engraved in NO column on the name plate as follows is 2001 12A819857 132 S The year 2001 2 180 8750 is a zip code which represents the following address
46. be treated with waterproofing sealant A non hardening silicone group sealant is recommended e To prevent noise pickup do not pass signal and power cables through the same ducts e Explosion protected instruments must be wired in accordance with specific requirements and in certain countries legal regulations in order to preserve the effectiveness of their explosion protected features e The terminal box cover is locked by an Allen head bolt a shrouding bolt on CENELEC and IECEx flameproof type transmitters When the shrouding bolt is driven clockwise by an Allen wrench itis going in and cover lock is released and then the cover can be opened by hand When a cover is closed it should be locked by a shrouding bolt without fail Tighten the shrouding bolt to a torque of 0 7 N m Shrouding Bolt Shrouding Bolt F0501 ai lt 5 Wiring gt 23 5 2 Connections of External Wiring to Terminal Box 5 2 1 Power Supply Wiring Connection Connect the power supply wiring to the SUPPLY and terminals Transmitter terminal box Power supply F0502 ai Figure 5 1 Power Supply Wiring Connection 5 2 2 Handheld Terminal Connection Connect the handheld terminal to the SUPPLY and terminals Use hooks Communication line requires a reception resistor of 250 to 6000 in series a ai ee Ignore the polarity since it is AC coupled to the terminal box Transmitter terminal box Duuuw BT20
47. ble of applying associated rules 2 Maintenance and Inspection a Visual inspection Visually inspect the external connections of intrinsically safe apparatus and safety barriers and cables for damage or corrosion as well as other mechanical and structural defects b Adjustments Zero span and sensitivity adjustments shall be made with applicable adjusting potentiometers and mechanical adjustment screws These maintenance adjustments shall be made in a non hazardous location A caution If intrinsically safe apparatus and safety barriers require maintenance service and checking a gas detector shall be used to ensure that there is no explosive gas in the location maintenance servicing shall be conducted in a non hazardous location 3 Repair Intrinsically safe apparatus and safety barriers shall be repaired by manufacturers 4 Prohibition of modifications and specification changes Do not attempt to make modifications or change specifications which may affect safety EX A03E lt Installation and Operating Precautions for TIIS Flameproof Equipment gt 34 Installation and Operating Precautions for TIIS Flameproof Equipment Apparatus Certified Under Technical Criteria IEC compatible Standards 1 General The following describes precautions on electrical apparatus of flameproof construction hereinafter referred to as flameproof apparatus in explosion protected apparatus Following the Labour Sa
48. ckom nemeckom a franc zskom V pr pade potreby n vodu pre Ex pr stroje vo Va om n rodnom jazyku skontaktujte pros m miestnu kancel riu firmy Yokogawa V echny u ivatelsk p ru ky pro v robky na n se vztahuje nev bu n schv len ATEX Ex jsou dostupn v angli tin n m in a francouz tin Po adujete li pokyny t kaj c se v robk s nev bu n m schv len m ve va em lok ln m jazyku kontaktujte pros m va i nejbli reprezenta n kancel Yokogawa Visos gamini ATEX Ex kategorijos Eksploatavimo instrukcijos teikiami angl vokie i ir pranc z kalbomis Nor dami gauti prietais Ex dokumentacij kitomis kalbomis susisiekite su artimiausiu bendrov s Yokogawa biuru arba atstovu Visas ATEX Ex kategorijas izstradajumu Lieto anas instrukcijas tiek pieg d tas angiu vacu un fran u valodas Ja v laties sa emt Ex ieri u dokumentaciju cit valoda Jums ir jasazinas ar firmas Jokogava Yokogawa tuvako ofisu vai parstavi K ik ATEX Ex toodete kasutamisjuhendid on esitatud inglise saksa ja prantsuse keeles Ex seadmete muukeelse dokumentatsiooni saamiseks p rduge l hima lokagava Yokogawa kontori v i esindaja poole Wszystkie instrukcje obs ugi dla urz dze w wykonaniu przeciwwybuchowym Ex zgodnych z wymaganiami ATEX dost pne s w j zyku angielskim niemieckim i francuskim Je eli wymagana jest instrukcja obs ugi w Pa stwa lokalnym j zyku
49. ctivity caused by condensation must be expected 2 Installation Category Overvoltage category Installation category describes a number which defines a transient overvoltage condition It implies the regulation for impulse withstand voltage I applies to electrical equipment which is supplied from the circuit when appropriate transient overvoltage control means interfaces are provided IM 01C22A01 01E 3 Installation AA IMPORTANT e When welding piping during construction take care not to allow welding currents to flow through the transmitter e Do notstep on this instrument after installation e ForEl A430A the atmospheric opening is located on the low pressure side cover flange For EJ A530A with Measurement span code A B and C the pipe is attached for the opening These openings must not face upward Pipe Open to atmosphere Zero adjustment screw Measurment span code EJA530A RH F00301 ai EJA530A Horizontal Mounting Position Figure 3 1 3 1 Mounting m The transmitter can be mounted on a nominal 50 mm 2 inch pipe using the mounting bracket supplied as shown in Figure 3 2 and 3 3 Tighten the four bolts that hold the transmitter with a torque of approximately 39 N m 4 kgf m Mounting bracket Transmitter mounting bolt F0302 ai Figure 3 2 Transmitter Mounting Horizontal Impulse Piping Type Process connect
50. e Piping Connection Examples Figure 4 6 4 7 and 4 8 shows examples of typical impulse piping connections Before connecting the transmitter to the process study the transmitter installation location the process piping layout and the characteristics of the process fluid corrosiveness toxicity flammability etc in order to make appropriate changes and additions to the connection configurations Note the following points when referring to these piping examples e Ifthe impulse piping is long bracing or supports should be provided to prevent vibration e The impulse piping material used must be compatible with the process pressure temperature and other conditions e A variety of process pressure tap valves main valves are available according to the type of connection flanged screwed welded construction globe gate or ball valve temperature and pressure Select the type of valve most appropriate for the application Steam Tap valve SE Condensate pot wy Liguid Gas Union or flange Tee SS 3 valve manifold Q Drain valve 4 _ Drain plug F0406 ai Figure 4 6 Impulse Piping Connection Examples EJA110A Open Tank Closed Tank Tap valve I Union or flange Vent plug Pipe opened to Tee atmosphere at low pressure side Drain valve Za Drain plug F0407 ai Dud aesjnduy Hurjjeysuy gt Figure 4 7 Impulse Pi
51. e Piping gt 20 4 Now tighten the nuts and bolts securely in the following sequence Process connector bolts transmitter end ball head lock nuts 3 valve manifold ball head lock nuts gt 3 valve manifold mounting bracket U bolt nuts E Direct Mounting Type 3 Valve Manifold 1 Mountthe 3 valve manifold on the transmitter When mounting use the two gaskets and the four bolts provided with the 3 valve manifold Tighten the bolts evenly 2 Mountthe process connectors and gaskets on the top of the 3 valve manifold the side on which the impulse piping will be connected Bolts impulse iping Process ei 7 g Stop valve connector W p 3 valve manifold Gasket Equalizing valve f D Stop valve S A L SG Impulse WEG a piping Gasket E Bolts Process 3 valve manifold connector Stop valve F0404 ai Figure 4 4 3 Valve Manifold Direct Mounting Type 4 1 2 Routing the Impulse Piping 1 Process Pressure Tap Angles If condensate gas sediment or other extraneous material in the process piping gets into the impulse piping pressure measurementerrors may result To prevent such problems the process pressure taps must be angled as shown in Figure 4 5 according to the kind of fluid being measured A NOTE e Ifthe process fluid is a gas the taps must be vertical or within 45 either side of vertical e Ifthe process fluid is a liquid the taps must be horizontal or below horizontal but not more tha
52. e United States and or other countries Other company and product names are trademarks or registered trademarks of their respective holders YOKOGAWA A www yokogawa com fld Noitorsale WARNING This CD contains software and is for use in a computer only Do not play this on an audio CD player as the high volume may damage your hearing or audio speakers Copyright 2008 Yokogawa Electric Corporation All Rights Reserved YOKOGAWA YOKOGAWA ELECTRIC CORPORATION Headquarters 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Branch Sales Offices Nagoya Osaka Hiroshima Fukuoka Sapporo Sendai Ichihara Toyota Kanazawa Okayama and Kitakyusyu YOKOGAWA CORPORATION OF AMERICA 2 Dart Road Newnan Georgia 30265 1094 U S A Phone 1 800 888 6400 Fax 1 770 254 0928 YOKOGAWA EUROPE B V Databankweg 20 Amersfoort 3821 AL THE NETHERLANDS Phone 31 33 464 1611 Fax 31 33 464 1610 Branch Sales Offices Wien Austria Zaventem Belgium Ratingen Germany Madrid Spain Runcorn United Kingdom Milano Italy Velizy Villacoublay France Budapest Hungary Stockholm Sweden Sola Norway Warszawa Poland Vila Nova de Gaia Portugal Bucharest Romania YOKOGAWA AMERICA DO SUL LTDA Praca Acapulco 31 Santo Amaro Sao Paulo SP BRAZIL Phone 55 11 5681 2400 Fax 55 11 5681 4434 YOKOGAWA ENGINEERING ASIA PTE LTD 5 Bedok South Road 469270 SINGAPORE Phone 65 6241 9933 Fax 6
53. eproof Packing Adapter H Flameproof metal conduit wiring e A seal fitting must be installed near the terminal box connection port for a sealed construction e Apply a non hardening sealant to the threads of the terminal box connection port flexible metal conduit and seal fitting for waterproofing Non hazardous area Hazardous area Flameproof heavy gauge steel conduit Apply a non hardening sealant to the threads of these fittings for waterproofing Tee Seal fitting big wiring impregnate the fitting with a compound to seal tubing F0509 EPS Typical Wiring Using Flameproof Metal Conduit Drain plug Figure 5 8 5 4 Grounding Grounding is always required for the proper operation of transmitters Follow the domestic electrical requirements as regulated in each country F or a transmitter with builtin lightning protector grounding should satisfy ground resistance of 10Q or less Ground terminals are located on the inside and outside of the terminal box Either of these terminals may be used A WARNING For TIS flameproof type and intrinsically safe grounding should satisfy Class D requirements grounding resistance 1000 or less Transmitter terminal box Ground terminal Inside Ground terminal Outside F0610 ai Figure 5 9 Ground Terminals 5 5 Power Supply Voltage and Load Resistance When configuring the loop make sure that the external load resistance is within
54. error olojo P60 SELF CHECK Self diagnostic messages Same as A60 olojo 1 In case of Model EJ A120A static pressure cannot be measured The display is always 0 MPa butthis is nota measured value 2 When Optional code F 1 is specified substitute the value with 0 1 3 When Optional code F 1 is specified substitute the value 5 with 2 5 4 Notapplicable for Model EJ A115 5 Applicable only for Model EJ A118W EJ A118N EJ A118Y EJ A438W and EJ A438N 6 See MWP max working pressure on the nameplate B40 shows an approximate value of maximum pressure for the capsule 7 Unless otherwise specified by order When Optional code F 1 is specified substitute the value 5 with 2 5 IM 01C22A01 01E Asewiuins Je ewesed E lt Installation and Operating Precautions for TIIS Intrinsically Safe Equipment gt 32 Installation and Operating Precautions for TIIS Intrinsically Safe Equipment Apparatus Certified Under Technical Criteria IEC compatible Standards and from RECOMMENDED PRACTICES for Explosion Protected Electrical Installations in General Industries published in 1979 1 General The following describes precautions on electrical apparatus of intrinsically safe construction hereinafter referred to as intrinsically safe apparatus Following the Labor Safety and Health Laws of J apan an intrinsically safe apparatus must undergo type tests in order to be certified by the Technical Institute of Industrial
55. es not guarantee safety Please give your attention to the followings a Installation e The instrument must be installed by an expert engineer or a skilled personnel The procedures described about INSTALLATION are not permitted for operators e Incase of high process temperature care should be taken not to burn yourself because the surface of body and case reaches a high temperature e The instrumentinstalled in the process is under pressure Never loosen the process connector bolts to avoid the dangerous spouting of process fluid e During draining condensate from the pressure detector section take appropriate care to avoid contact with the skin eyes or body or inhalation of vapors if the accumulated process fluid may be toxic or otherwise harmful e When removing the instrument from hazardous processes avoid contact with the fluid and the interior of the meter e Allinstallation shall comply with local installation requirement and local electrical code b Wiring e The instrument must be installed by an expert engineer or a skilled personnel The procedures described about WIRING are not permitted for Operators e Please confirm that voltages between the power supply and the instrument before connecting the power cables and that the cables are not powered before connecting c Operation e Wait 10 min after power is turned off before opening the covers d Maintenance e Please do not carry out except bei
56. fety and Health Laws of J apan flameproof apparatus is subjected to type tests to meet either the technical criteria for explosionproof electrical machinery and equipment standards notification no 556 from the J apanese Ministry of Labour hereinafter referred to as technical criteria in conformity with the IEC Standards or the Recommended Practice for Explosion Protected Electrical Installations in General Industries published in 1979 These certified apparatus can be used in hazardous locations where explosive or inflammable gases or vapours may be present Certified apparatus includes a certification label and an equipment nameplate with the specifications necessary for explosion requirements as well as precautions on explosion protection Please confirm these precautionary items and use them to meet specification requirements For electrical wiring and maintenance servicing please refer to Internal Wiring Rules in the Electrical Installation Technical Standards as well as USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry published in 1994 To meet flameproof requirements equipment that can be termed flameproof must 1 Be certified by a J apanese public authority in accordance with the Labour Safety and Health Laws of apan and have a certification label in an appropriate location on its case and 2 Be used in compliance with the specifications marked
57. g at the center of the diaphragm and work your way out 5 Place the gasket with the teflon film and affix to the process flange uonejesul E Teflon film PART No Ser EJA210A F9347YD lt 50A BATION F9347YA EJA438W Fluorinated oil Ae ied ES PART No F9145YN Diaphragm Gasket area F0309 ai Figure 3 9 Affixing the Teflon Film IM 01C22A01 01E 3 5 Rotating Transmitter Section The transmitter section can be rotated in 90 segments 1 Remove the two Allen screws that fasten the transmitter section and capsule assembly using the Allen wrench Also remove the pipe for EJ A530A with Measurement span code A B and C using the slotted screwdriver 2 Rotate the transmitter section slowly in 90 segments 3 Tighten the two Allen screws to a torque of 5 N m A IMPORTANT Do not rotate the transmitter section more than 180 Pressure detector section Conduit connection Transmitter section F0310 ai Figure 3 10 Rotating Transmitter Section 3 6 Changing the Direction of Integral Indicator An integral indicator can be rotated as shown in F igure 3 11 AA IMPORTANT The terminal box cover is locked by an Allen head bolt a shrouding bolt on CENELEC and IECEx flameproof type transmitters When the shrouding bolt is driven clockwise by an Allen wrench itis going in and cover lock is released and then the cover can be opened by hand When a
58. his demand References 1 Type Certificate Guide for Explosion P rotected C onstruction Electrical Machinery and Equipment relating to Technical Standards Conforming to International Standards issued by the Technical Institution of Industrial Safety J apan USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry 1994 issued by the J apanese Ministry of Labour the Research Institute of Industrial S afety N EX B03E 36 Revision Information e Title EJ A Series Differential Pressure and Pressure Transmitters Installation Manual Manual No IM 01C22A01 01E Edition Date Page Revised Item Ist J an 2008 New publication 2nd Oct 2008 12 2 4 4 Change explosion protection marking for type n from EE x to Ex 13 2 5 Update EMC conformity standards 28 7 Modify descriptions and notes for Er 01 29 8 Add new parameters IM 01C22A01 01E EJA Series Electronic User s Manual IM 01C22A11 01E aise System Requirements for Windows OS Microsoft Windows 2000 Professional XP Professional CPU Pentium 300 MHz or higher RAM 128 MB or more Display 800 x 600 SVGA or higher 256 colors Contents This CD R contains information in PDF format that is necessary for safe and effective operation of the product Trademarks Microsoft MS DOS Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in th
59. ids in the two lines will cause an error in the measurement pressure When measuring flow impulse piping must be routed together so that there is no temperature difference between them IM 01C22A01 01E lt 4 Installing Impulse Piping gt 21 5 Condensate Pots for Steam Flow Measurement If the liquid in the impulse piping repeatedly condenses or vaporizes as a result of changes in the ambient or process temperature this will cause a difference in the fluid head between the high pressure and low pressure sides To prevent measurement errors due to these head differences condensate pots are used when measuring steam flow 6 Preventing Wind Speed Effects in Very Low Differential Pressure Measurement A IMPORTANT When using a differential pressure transmitter to measure very low pressures draft pressure the low pressure connection portis left open to atmospheric pressure the reference pressure Any wind around the differential pressure transmitter will therefore cause errors in the measurement To prevent this it will be necessary either to enclose the transmitter in a box or to connect a impulse piping to the low pressure side and insert its end into a wind excluding pot cylindrical with a base plate 7 Preventing Freezing If there is any risk that the process fluid in the impulse piping or transmitter could freeze use a steam jacket or heater to maintain the temperature of the fluid 4 2 Impuls
60. kogawa assumes no responsibilities for this product except as stated in the warranty If the customer or any third party is harmed by the use of this product Yokogawa assumes no responsibility for any such harm owing to any defects in the product which were not predictable or for any indirect damages A NOTE For FOUNDATION Fieldbus PROFIBUS PA and HART protocol versions please refer to manuals in the attached CD ROM in addition to this manual e The following safety symbol marks are used in this manual A WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury IM 01C22A01 01E lt 1 Introduction gt 2 A caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices A IMPORTANT Indicates that operating the hardware or software in this manner may damage it or lead to system failure A NOTE Draws attention to information essential for understanding the operation and features m Direct current 1 1 For Safe Use of Product For the protection and safety of the operator and the instrument or the system including the instrument please be sure to follow the instructions on safety described in this manual when handling this instrument In case the instrumentis handled in contradiction to these instructions Yokogawa do
61. n 45 below horizontal e Ifthe process fluid is steam or other condensing vapor the taps must be horizontal or above horizontal but not more than 45 above horizontal Gas Liquid Steam Pressure 49 4 45 SS a Depp Process WT 45 Ed S 7 piping F0405 ai Figure 4 5 Process Pressure Tap Angle For Horizontal Piping 2 Position of Process Pressure Taps and Transmitter If condensate or gas accumulates in the impulse piping it should be removed periodically by opening the drain or vent plugs However this will generate a transient disturbance in the pressure measurement and therefore itis necessary to position the taps and route the impulse piping so that any extraneous liquid or gas generated in the leadlines returns naturally to the process piping e Ifthe process fluid is a gas then as a rule the transmitter must be located higher than the process pressure taps e Ifthe process fluid is a liquid or steam then as a rule the transmitter must be located lower than the process pressure taps 3 Impulse Piping Slope The impulse piping must be routed with only an upward or downward slope Even for horizontal routing the impulse piping should have a slope of at least 1 10 to prevent condensate or gases from accumulating in the pipes 4 Temperature Difference Between Impulse Piping If there is a temperature difference between the high and low impulse piping the density difference of the flu
62. nclosure IP67 e Maximum Process Temperature 85 C T6 100 C T5 and 120 C T4 e AmbientTemperature T4 and T6 40 to 75 C T5 40 to 80 C Note 2 Electrical Data e Supply voltage 42 V dc max e Outputsignal 4 to 20 mA Note 3 Installation e All wiring shall comply with local installation requirement e The cable entry devices shall be of a certified flameproof type suitable for the conditions of use Note 4 Operation e Keep the CAUTION label to the transmitter CAUTION AFTER DE ENERGIZING DELAY 10 MINUTES BEFORE OPENING WHEN THE AMBIENT TEMP 70 C USE HEAT RESISTING CABLES90 C e Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location IM 01C22A01 01E suonnes DuUDUEL gd Note 5 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void KEMA Flameproof Certification CENELEC ATEX KEMA Inirinsically Safe Type CENELEC ATEX KEMA Flameproof Type CENELEC ATEX Type n Model EJ A A Series pressure transmitters with optional code KU2 can be selected the type of protection CENELEC ATEX KEMA Intrinsically Safe Flameproof or CENELEC ATEX Type n for use in hazardous locations Note 1 For the installation of this transmitter once a particular type of protection is selected any other type of protection c
63. ng written to maintenance descriptions When these procedures are needed please contact nearest YOKOGAWA office e Care should be taken to prevent the build up of drift dust or other material on the display glass and name plate In case of its maintenance soft and dry cloth is used e Explosion Protected Type Instrument e Users of explosion proof instruments should refer first to section 2 4 Installation of an Explosion Protected Instrument of this manual e The use of this instrument is restricted to those who have received appropriate training in the device e Take care notto create sparks when accessing the instrument or peripheral devices in a hazardous location f Modification e Yokogawa will not be liable for malfunctions or damage resulting from any modification made to this instrument by the customer 1 2 Warranty e The warranty shall cover the period noted on the quotation presented to the purchaser at the time of purchase Problems occurred during the warranty period shall basically be repaired free of charge e Incase of problems the customer should contact the Yokogawa representative from which the instrument was purchased or the nearest Yokogawa office e Ifa problem arises with this instrument please inform us of the nature of the problem and the circumstances under which it developed including the model specification and serial number Any diagrams data and other information you can include in yo
64. nger for produkter relateret til ATEX Ex er tilg ngelige p engelsk tysk og fransk Skulle De nske yderligere oplysninger om h ndtering af Ex produkter p eget sprog kan De rette henvendelse herom til den n rmeste Yokogawa afdeling eller forhandler Tutti i manuali operativi di prodotti ATEX contrassegnati con Ex sono disponibili in inglese tedesco e francese Se si desidera ricevere i manuali operativi di prodotti Ex in lingua locale mettersi in contatto con l ufficio Yokogawa pi vicino o con un rappresentante Todos los manuales de instrucciones para los productos antiexplosivos de ATEX est n disponibles en ingl s alem n y franc s Si desea solicitar las instrucciones de estos art culos antiexplosivos en su idioma local deber ponerse en contacto con la oficina o el representante de Yokogawa m s cercano Alle handleidingen voor producten die te maken hebben met ATEX explosiebeveiliging Ex zijn verkrijgbaar in het Engels Duits en Frans Neem indien u aanwijzingen op het gebied van explosiebeveiliging nodig hebt in uw eigen taal contact op met de dichtstbijzijnde vestiging van Yokogawa of met een vertegenwoordiger Kaikkien ATEX Ex tyyppisten tuotteiden k ytt hjeet ovat saatavilla englannin saksan ja ranskankielisin Mik li tarvitsette Ex tyyppisten tuotteiden ohjeita omalla paikallisella kielell nnne ottakaa yhteytt l himp n Yokogawa toimistoon tai edustajaan Todos os manuais de instru
65. om flowing into the electric circuitry of intrinsically safe apparatus However battery operated portable intrinsically safe apparatus or the like may be used alone 3 Terminology 1 Intrinsically safe apparatus Electrical apparatus in which all the circuits are intrinsically safe circuits 2 Associated apparatus Electrical apparatus in which there are both intrinsically safe circuits and non intrinsically safe circuits that can affect the safety of intrinsically safe circuits 3 Safety barrier A specific type of associated apparatus which consists mainly of safety barrier elements and serves to limit the flow of excessive electrical energy which is capable of causing ignition of a given explosive gas or vapour of a non intrinsically safe circuit into concerned intrinsically safe circuits 4 Apparatus of category ia Intrinsically safe electrical apparatus and associated apparatus which are incapable of causing ignition of a given explosive gas or vapour with the appropriate safety factors such as when up to two countable faults are applied and in addition when non countable faults produce an onerous condition 5 Apparatus of category ib Intrinsically safe electrical apparatus and associated apparatus which are incapable of causing ignition of a given explosive gas or vapour with the appropriate safety factors such as when up to one countable fault is applied and in addition when non coun
66. on hazardous Location I Class l Il Division 2 Groups A B C D E F G Class Ill Division 1 General EJA Series Pressure Purpose Transmitters Equipment Safety Barrier F0204 ai suonnes DuUDUEL fe b FM Explosionproof Type Caution for FM explosionproof type Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code FF 1 are applicable for use in hazardous locations e Applicable Standard FM3600 FM3615 FM3810 ANSI NEMA250 e Explosionproof for Class I Division 1 Groups B C and D e Dust ignitionproof for Class II III Division 1 Groups E FandG e Outdoor hazardous locations NEMA 4X e Temperature Class T6 e Ambient Temperature 40 to 60 C e Supply Voltage 42 V dc max e Outputsignal 4 to 20 mA Note 2 Wiring e All wiring shall comply with National Electrical Code ANSI NEPA70 and Local Electrical Codes e When installed in Division 1 FACTORY SEALED CONDUIT SEAL NOT REQUIRED IM 01C22A01 01E Note 3 Operation e Keep the CAUTION nameplate attached to the transmitter CAUTION OPEN CIRCUIT BEFORE REMOVING COVER FACTORY SEALED CONDUIT SEAL NOT REQUIRED INSTALL INACCORDANCE WITH THE INSTRUCTION MANUAL IM 1C22 e Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 4 Maintenance and Repair e The instrument modification or parts replacement by o
67. or upside Process connector downside Sy XN 8 sI Mounting bracket KR a Qer Transmitter mounting bolt g ly amp F0303 ai Transmitter Mounting Vertical Impulse Piping Type Figure 3 3 Figure 3 4 lt 3 Installation gt 1 5 Plate U bolt nut L Mounting bracket 50 mm 2 inch pipe F0304 ai EJA510A and EJA530A Mounting 3 2 Mounting the Diaphragm AA IMPORTANT Seals Please use a gasket which has a bigger inside diameter than that of gasket facing d on diaphragm seal In case a gasket which has a smaller inside diameter than that of gasket facing is used it may cause an error as the gasket prevents diaphragm from working correctly During the diaphragm seal installation ensure as far as possible that no seal liquid head is applied to the diaphragm seals Exercise care so as not to damage diaphragm surfaces Since the diaphragm protrudes approx 1mm from the flange surface placing the diaphragm seals with their diaphragm surfaces facing downward may damage the diaphragm surfaces Do not sharply bend or twist capillary tube or apply excessive stress to them Never loosen the four screws securing the cover flange or the screws at the joints between the capillary tube and cover flanges if the seal liquid leaks the transmitter cannot be used uonejesul E IM 01C22A01 01E 3 2 1 EJA210A and EJA220A The transmitter is mounted on a process
68. ping Connection Examples EJA210A and EJA220A Liquid Gas Steam Tap valve Union or flange Union or flange Drain plug Tap valve Drain valve Union or Tee Tee Tee Union or flange Tap valve Drain valve Logs valve Drain plug Drain plu Impulse Piping Connection Examples EJA310A EJA430A and EJA440A F0408 ai Figure 4 8 IM 01C22A01 01E 4 3 Process Piping Installation Precautions 4 3 1 Connecting Process Piping to the Transmitter 1 Confirming the Process Fluid Flow Direction The mark lt on the manifold indicates the direction in which the process fluid is flowed from right to left When connecting the process piping to the process connector confirm the process fluid flow direction Flow direction from right to left Manifold Orifice name plate Process connection outflow side Process connection inflow side Process connector low pressure side Process connector high pressure side F0409 ai Figure 4 9 Manifold and Flow Direction Indication 2 Tightening the Process Connector Mounting Bolts The transmitter is shipped with the process connector mounting bolts only loosely tightened After connecting the process piping tighten these bolts uniformly to prevent leaks with a torque of 39 to 49 N m 4 to 5 kgf m 3 Removing the Process Connector Port Dusiproof Cap The process connector port threads are covered with a plastic cap to exclude dust This c
69. prosimy o kontakt z najbli szym biurem Yokogawy Vsi predpisi in navodila za ATEX Ex sorodni pridelki so pri roki v angliS ini nemS ini ter franco ini e so Ex sorodna navodila potrebna v va em tukejnjem jeziku kontaktirajte va najbli i Yokogawa office ili predstaunika Az ATEX Ex m szerek g pk nyveit angol n met s francia nyelven adjuk ki Amennyiben helyi nyelven k rik az Ex eszk z k le r sait k rj k keress k fel a legk zelebbi Yokogawa irod t vagy k pviseletet Bcnykn ynbTtBanns 3a npogyKTn oT cepuata ATEX Ex ce npegnaraT Ha aHrnuicku HEMCKN M CbpeHcKu e3nk AKO Ce HyKAaeTe OT yNbTBAHNA 3a NpovyKTu oT cepnaTa EX Ha Dong BN E3MK ce cBbpxeTe c Ha 6nn3kna onc nnn npeactasnTtencTBo Ha npma Yokogawa Toate manualele de instructiuni pentru produsele ATEX Ex sunt in limba engleza germana si franceza In cazul in care doriti instructiunile in limba locala trebuie sa contactati cel mai apropiat birou sau reprezentant Yokogawa ll manwali kollha ta l istruzzjonijiet g al prodotti marbuta ma ATEX Ex huma disponibbli bl Ingli bil ermani u bil Fran i Jekk tkun te tie struzzjonijiet marbuta ma Ex fil lingwa lokali tieg ek g andek tikkuntattja lill eqreb rappre entan jew uffi ju ta Yokogawa IM 01C22A01 01E lt 2 Handling Cautions gt 5 2 When the transmitter is delivered visually check them to make sure thatno damage occurred during shipment Also check th
70. r must be installed in an enclosure that meets the requirements of ANSI ISA S82 01 e Control equipment connected to barrier must not use or generate more than 250 V rms or V dc e Installation should be in accordance with ANSI ISA RP 12 6 Installation of Intrinsically Safe Systems for Hazardous Classified Locations and the National Electric Code ANSI NF PA 70 e The configuration of associated apparatus must be FMRC Approved e Dust tight conduit seal must be used when installed in a Class Il Ill Group E F and G environments e Associated apparatus manufacturer s installation drawing must be followed when installing this apparatus e The maximum power delivered from the barrier must not exceed 0 9 W e Note a warning label worded SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY and INSTALL IN ACCORDANCE WITH DOC No IFM012 A12 P 1 and 2 lt 2 Handling Cautions gt 7 Note 4 Maintenance and Repair e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutual Intrinsically safe and Nonincendive Approval Intrinsically Safe Hazardous Location Non hazardous Location I Class Il Ill Division 1 1 Groups A B C D E F G General EJA Series Pressure Purpose Transmitters Safety Barrier Equipment io 1 G scht 1 I l 1 1 Nonincendive Hazardous Location gt N
71. rs with optional code SU2 can be selected the type of protection IE CE Intrinsically Safe type n or flameproof for use in hazardous locations Note 1 Forthe installation of this transmitter once a particular type of protection is selected any other type of protection cannot be used The installation must be in accordance with the description about the type of protection in this instruction manual Note 2 In order to avoid confusion unnecessary marking is crossed out on the label other than the selected type of protection when the transmitter is installed a lIECEx intrinsically Safe Type type n Caution for IECEx Intrinsically safe and type n Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code SU2 are applicable for use in hazardous locations e No IECEx KEM 06 0007X e Applicable Standard IEC 60079 0 2004 IEC 60079 11 1999 IEC 60079 15 2005 IEC 60079 26 2004 e Type of Protection and Marking Code Ex ia IIC T4 ExnLIIC T4 e Ambient Temperature 40 to 60 C e Max Process Temp 120 C e Enclosure IP67 Note 2 Entity Parameters e Intrinsically safe ratings are as follows Maximum Input Voltage Ui 30 V Maximum Input Current li 165 mA Maximum Input Power Pi 0 9 W Maximum Internal Capacitance Ci 22 5 nF Maximum Internal Inductance Li 730 uH IM 01C22A01 01E suonnes Buljpuey gd lt 2 Handling Cautions gt 10 e Type n ratings are as follows
72. rvicing with the power on Flameproof apparatus shall not be maintenance serviced with its power turned on However in cases where maintenance servicing is to be conducted with the power turned on with the equipment cover removed always use a gas detector to check that there is no explosive gas in that location If it cannot be checked whether an explosive gas is present or not maintenance servicing shall be limited to the following two items a Visual inspection Visually inspect the flameproof apparatus metal conduits and cables for damage or corrosion and other mechanical and structural defects Zero and span adjustments These adjustments should be made only to the extent that they can be conducted from the outside without opening the equipment cover In doing this great care must be taken not to cause mechanical sparks with tools 2 Repair If the flameproof apparatus requires repair turn off the power and transportit to a safety non hazardous location Observe the following points before attempting to repair the apparatus a Make only such electrical and mechanical repairs as will restore the apparatus to its original condition For the flameproof apparatus the gaps and path lengths of joints and mating surfaces and mechanical strength of enclosures are critical factors in explosion protection Exercise great care notto damage the joints or shock the enclosure If any damage occurs in threads joints or m
73. ry published in 1994 For conduit pipes heavy gauge steel conduits conforming to JIS C 8305 Standard shall be used Flameproof sealing fittings shall be used in the vicinity of the wiring connections and those fittings shall be filled with sealing compounds to complete sealing of the apparatus In addition to prevent explosive gases moisture or flame caused by explosion form being propagated through the conduit always provide sealing fittings to complete sealing of the conduitin the following locations a In the boundaries between the hazardous and non hazardous locations b In the boundaries where there is a different classification of hazardous location For the connections of the apparatus with a conduit pipe or its associated accessories G type parallel pipe threads J IS B 0202 shall be used to provide a minimum of five thread engagement to complete tightness In addition since these parallel threads do not have sealing property non hardening sealant such as liquid gaskets shall thus be applied to those threads for ensuring waterproofness If metal conduits need flexibility use flameproof flexible fittings Maintenance of Flameproof Apparatus To maintain the flameproof apparatus do the following For details see Chapter 10 MAINTENANCE OF EXPLOSION PROTECTED ELECTRICAL INSTALLATION in the USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry 1 Maintenance se
74. s hold for BRAIN protocol Er 03 OUT OF RANGE Input is outside Outputs high range limit value or Check input measurement range limit low range limit value of capsule Er 04 OUT OF SP RANGE Static pressure exceeds Displays present output Check line pressure static specified range 3 pressure Er 05 OVER TEMP CAP Capsule temperature Displays present output Use heat insulation or make is outside range 50 to lagging to keep temperature 130 C within range Er 06 OVER TEMP AMP Amplifier temperature Displays present output Use heat insulation or make is outside range 50 to lagging to keep temperature 95 C within range Er 07 OVER OUTPUT Outputis outside high or Outputs high or low range limit Check input and range low range limit value value setting and change them as needed Er 08 OVER DISPLAY Displayed value is Displays high or low range limit Check input and display outside high or low range value conditions and modify them limit value as needed Er 09 ILLEGAL LRV LRV is outside setting Holds output immediately before Check LRV and modify as range error occurrence needed Er 10 ILLEGAL URV URV is outside setting Holds output immediately before Check URV and modify as range error occurrence needed Er 11 ILLEGAL SPAN SPAN is outside setting Holds output immediately before Check SPAN and change as range error occurrence needed Er 12 ZERO ADJ OVER Zero adjustment is too Displays present outpu
75. same OQ O higher range value setup data as C22 H60 SELF CHECK Self diagnostic messages Same as A60 ojol o J ADJUST Adjustment data Menu name O O J10 ZERO ADJ Automatic zero adjustment O 5 to 110 0 3 OJOO J11 ZERO DEV Manual zero adjustment O olojo J15 SPAN ADJ Manual span adjustment O 10 00 to 10 00 0 00 OJOJOO J20 EXT ZERO ADJ External zero adjustment O ENABLE INHIBIT olol lo screw permission J30 OUTPUT 4mA 4mA adjustment O 10 00 to 10 00 0 00 O O 0 J31 OUTPUT 20mA 20mA adjustment O 10 00 to 10 00 0 00 O 0 J60 SELF CHECK Self diagnostic messages Same as A60 O K TEST Tests Menu name O O 0 K10 OUTPUT in Test output setting O 5 to 110 0 3 Displays olojo ACTIVE while executing K60 SELF CHECK Self diagnostic messages Same as A60 olojo M MEMO Memo Menu name OJOJ M10 MEMO 1 Memo O 8 uppercase alphanumerics O O o M20 MEMO 2 Memo O 8 uppercase alphanumerics olojo M30 MEMO 3 Memo O 8 uppercase alphanumerics olojo M40 MEMO 4 Memo O 8 uppercase alphanumerics O O M50 MEMO 5 Memo O 8 uppercase alphanumerics olojo M60 SELF CHECK Self diagnostic messages Same as A60 olojo P RECORD History of the errors OJOJ P10 ERROR REC 1 Lasterror O Display the error olojo P11 ERROR REC 2 One time before O Display the error OJOJOO P12 ERROR REC 3 Two time before O Display the error O 0O P13 ERROR REC A Three time before O Display the
76. so that the shank positions downward Minimum liquid level The transmitter should be installed as low as possible below the position where the high pressure side diaphragm seal is installed F0307 ai Installing the Diaphragm Seals to a Tank Figure 3 7 IM 01C22A01 01E IMPORTANT The transmitter should be installed below the high pressure HP process connection to ensure a positive head pressure of fill fluid The recommended height between the HP process connection and the transmitter is show in the following table Pay special attention to vacuum applications Model Height h EJ A1180 600 mm EJ A438W Wetted parts material code S T U EJ A438N 700 mm EJ A438W Wetted parts material code H_ 1 300 mm Ze Wetted parts material code EJA438W If it can not be installed below the HP process connection with the recommended height above please use the equation below P P0 xdHg ds h x7 5x10 3 mm h Vertical height between the HP process connection and the transmitter mm hs0 Install the transmitter at least h mm below the HP process connection h gt 0 Install the transmitter at mosth mm above the HP process connection P Pressure in the tank Pa abs P0 Minimum working pressure limit of the transmitter ambient temperature range 10 to 50 C EJ A1180 Wetted parts material code P0
77. t Readjust zero point large 1 This error code appears ata capsule problem or when an illegal overpressure is applied to the pressure sensor 2 Ifthe normal pressure is regained the Er 01 will disappear according to the setting of the parameter of E50 AUTO RECOVER When the E50 AUTO RECOVER is setto ON the Er 01 will disappear automatically The default setting for this parameter is ON When the E50 AUTO RECOVER is set to OFF restart the transmitter to cancel Er 01 If no error code appears then perform necessary adjustments such as zero adjustment to continue the operation If the error code still appears replace the capsule assembly 3 For Model EJ A120A static pressure cannot be measured The display is always 0 MPa but this is not a measured value IM 01C22A01 01E lt 8 Parameter Summary gt 29 8 Parameter Summary A NOTE A IMPORTANT For FOUNDATION Fieldbus and PROFIBUS PA If the transmitter is turned off within 30 seconds after communication types please refer to manuals in the parameters have been set the set data will notbe attached CD ROM stored and the terminal returns to previous settings HART Communication Menu Tree
78. table faults produce an onerous condition Safety rating A rating to be designated to intrinsically safe apparatus as well as associated apparatus and is the maximum rating allowable for maintaining intrinsic safety of concemed intrinsically safe circuits a 4 Caution on Combining Intrinsically Safe Apparatus and Safety Barriers 1 A combination of certified intrinsically safe apparatus and safety barriers needs to satisfy combination requirements If intrinsically safe apparatus specify safety barriers for combination safety barriers other than specified cannot be used see Note 1 for more details 2 Certified intrinsically safe systems specify specific safety barriers in combination with intrinsically safe apparatus So safety barriers other than specified cannot be used see Note 2 for more details 3 Other than limitations of combining intrinsically safe apparatus and safety barriers as given in 1 and 2 above two or more pieces of apparatus certified under different standards cannot be combined with each other see Note 3 for more details In addition bear in mind that classifications of explosion protection such as IIA IIB and IC and category ia and ib limita combination of intrinsically safe apparatus and safety barriers For more details see the Type Certificate Guide for E xplosion P rotected Construction for Electrical Machinery and Equipment issued by the J apanese
79. ted Electrical Installations in General Industries 1979 and vice versa cannot be combined even if their combination requirements are satisfied 5 Installation of Intrinsically Safe Apparatus and Safety Barriers 1 Classification of installation location Intrinsically safe apparatus may be installed depending upon applicable gases in a hazardous area in Zone 0 1 or 2 Note 4 below where the specified gases are present However note that apparatus certified under Technical Criteria in category ib shall be installed only in Zone 1 or 2 Safety barriers associated apparatus that are combined with these intrinsically safe apparatus shall be installed only in a non hazardous area In cases where safety barriers are installed in a hazardous area they shall be enclosed for example in a flameproof enclosure Note 4 Hazardous areas are classified in zones based upon the frequency of the appearance and the duration of an explosive gas atmosphere as follows Zone 0 An area in which an explosive gas atmosphere is present continuously or is present for long periods Zone 1 An area in which an explosive gas atmosphere is likely to occur in normal operation Zone 2 An area in which an explosive gas atmosphere is not likely to occur in normal operation and if it does occur it will exist for a short period only 2 Ambient temperature limits for intrinsically safe apparatus Intrinsically safe apparatus shall be installed
80. th no sealing property To protect the apparatus from corrosive gases or moisture apply non hardening sealant such as liquid gaskets to those threads for waterproofing EX B03E lt Installation and Operating Precautions for TIIS Flameproof Equipment gt 35 Specific cables shall be used as recommended by the USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Industry published in 1994 In necessary appropriate protective pipes conduit or flexible pipes ducts or trays shall be used for preventing the cable run outside the cable glands from damage To prevent explosive atmosphere from being propagated form Zone 1 or 2 hazardous location to any different location or non hazardous location through the protective pipe or duct apply sealing of the protective pipes in the vicinity of individual boundaries or fill the ducts with sand appropriately When branch connections of cables or cable connections with insulated cables inside the conduit pipes are made a flameproof or increased safety connection box shall be used In this case flameproof or increased safety cable glands meeting the type of connection box must be used for cable connections to the box 2 Flameproof Metal Conduit Wiring 6 For the flameproof metal conduit wiring or insulated wires shall be used as recommended by the USER S GUIDELINES for Electrical Installations for Explosive Gas Atmospheres in General Indust
81. ther than authorized representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutual E xplosionproof Approval c FM intrinsically Safe Type FM Explosionproof Type Model EJ A Series pressure transmitters with optional code FU1 can be selected the type of protection FM Intrinsically Safe or FM Explosionproof for use in hazardous locations Note 1 For the installation of this transmitter once a particular type of protection is selected any other type of protection cannot be used The installation must be in accordance with the description about the type of protection in this instruction manual Note 2 In order to avoid confusion unnecessary marking is crossed out on the label other than the selected type of protection when the transmitter is installed 2 4 2 CSA Certification a CSA intrinsically Safe Type Caution for CSA Intrinsically safe type F ollowing contents refer to DOC No ICS003 A12 P 1 1 and P 1 2 Note 1 Model EJ A Series differential gauge and absolute pressure transmitters with optional code CS1 are applicable for use in hazardous locations Certificate 1053843 e Applicable Standard C22 2 No 0 No 0 4 No 25 No 30 No 94 No 142 No 157 No 213 e Intrinsically Safe for Class Division 1 Groups A B C amp D Class Il Division 1 Groups E F amp G and Class Ill Division 1 Hazardous Locations e Nonincendive for Class I Division 2 Groups A B C amp D Cl
82. trinsically safe type F ollowing contents refer DOC No IFM012 A12 P 1 and 2 Note 1 Model EJ A Series pressure transmitters with optional code FS 1 are applicable for use in hazardous locations e Applicable Standard FM3600 FM3610 FM3611 FM3810 ANSI NEMA250 IM 01C22A01 01E e Intrinsically Safe for Class Division 1 Groups A B C amp D Class Il Division 1 Groups E F amp G and Class Ill Division 1 Hazardous Locations e Nonincendive for Class I Division 2 Groups A B C amp D Class Il Division 2 Groups E F amp G and Class Ill Division 1 Hazardous Locations e Outdoor hazardous locations NEMA 4X e Temperature Class T4 e Ambient temperature 40 to 60 C Note 2 Entity Parameters e Intrinsically Safe Apparatus Parameters Groups A B C D E F and G Vmax 30 V Ci 22 5 nF Imax 165 mA Li 730 uH P max 0 9 W Associated Apparatus Parameters FM approved barriers Voc lt 30 V Ca gt 22 5 nF Isc lt 165 mA La gt 730 pH P max lt 0 9W e Intrinsically Safe Apparatus P arameters Groups C D E F and G Vmax 30 V Ci 22 5 nF Imax 225 mA Li 730 uH P max 0 9 W Associated Apparatus Parameters FM approved barriers Voc lt 30 V Ca gt 22 5 nF Isc lt 225 mA La gt 730 uH Pmax lt 0 9 W e Entity Installation Requirements Vmax 2 Voc or Vt Imax 2 Isc or It P max IS Apparatus 2 P max Barrier Ca2 Ci Ccable La 2 Li Lcable Note 3 Installation e Barrie
83. ts c Shock and Vibration Select an installation site suffering minimum shock and vibration although the transmitter is designed to be relatively resistant to shock and vibration d Installation of Explosion protected Transmitters Explosion protected transmitters can be installed in hazardous areas according to the types of gases for which they are certified See Subsection 2 4 Installation of Explosion Protected Type Transmitters 2 3 Pressure Connection A WARNING e Instrument installed in the process is under pressure Never loosen the process connector bolts to avoid the dangerous spouting of process fluid e During draining condensate from the pressure detector section take appropriate care to avoid contact with the skin eyes or body or inhalation of vapors if the accumulated process fluid may be toxic or otherwise harmful EA The following precautions must be observed in order to safely operate the transmitter under pressure a Make sure thatthe process connector bolts are tightened firmly b Make sure that there are no leaks in the impulse piping c Never apply a pressure higher than the specified maximum working pressure A caution Maximum working pressure of the model EJ A120A differential pressure transmitter is 50 kPa 0 5 kgf cm2 Should the pressure exceed 50 kPa 0 5 kgf cm2 it is possible to break the sensor Proceed with caution when applying pressure lt 2 Handling C
84. ur communication will also be helpful IM 01C22A01 01E Responsible party for repair cost for the problems shall be determined by Yokogawa based on our investigation The Purchaser shall bear the responsibility for repair costs even during the warranty period ifthe malfunction is due to Improper and or inadequate maintenance by the purchaser Failure or damage due to improper handling use or storage which is out of design conditions Use of the product in question in a location not conforming to the standards specified by Yokogawa or due to improper maintenance of the installation location Failure or damage due to modification or repair by any party except Yokogawa or an approved representative of Yokogawa Malfunction or damage from improper relocation of the product in question after delivery Reason of force majeure such as fires earthquakes storms floods thunder lightening or other natural disasters or disturbances riots warfare or radioactive contamination lt 1 Introduction gt IM 01C22A01 01E uononpow u H lt 1 Introduction gt 4 1 3 ATEX Documentation This is only applicable to the countries in European Union 0 8 0 0 0 8 008 All instruction manuals for ATEX Ex related products are available in English German and French Should you require Ex related instructions in your local language you are to contact your nearest Yokogawa office or representative Alle brugervejledni
85. using its high pressure side flange as shown in Figure 3 5 The customer should prepare the mating flange gasket stud bolts and nuts Stud bolt F0305 ai Figure 3 5 EJA210A and EJA220A Mounting 3 2 2 EJA1180 and EJA4380 Mount the diaphragm seals using the flanges as shown in Figure 3 6 The customer should prepare the mating flange gasket bolts and nuts Flange Nut Bolt Diaphragm The product is shipped with these parts assembled Correctly install the diaphragm seals on the high and low pressure sides of the process checking the label on each seal F0306 ai Figure 3 6 Mounting the Diaphragm Seals lt 3 Installation gt 1 6 3 3 Diaphragm Seals Installation Consideration AA IMPORTANT e When measuring the liquid level of the tank the minimum liquid level zero point must be set to a level atleast 50 mm above the center of the high pressure side diaphragm seal see Figure 3 2 3 e Correctly install the diaphragm seals on the high and low pressure sides of the process checking the label on each seal e To avoid measuring error duets temperature difference between the two diaphragm seals capillary tube must be bound together The capillary tube must be securely fixed to the tank wall to prevent movement by wind or vibration If the capillary tube is too long loosely coil the excess and secure using suitable clamps Low AL IMPORTANT Si de Install the sealed diaphragm
86. usting the transmitter zero point There are two types of 3 valve manifold the pipe mounting type and the direct mounting type care should be taken with respect to the following points when connecting the manifold to the transmitter E Pipe Mounting Type 3 Valve Manifold Impulse piping Gi Nipple Vent plug 3 valve optional manifold Ball head Stop valve Se lock nut low pressure side p _ A Equalizing valve Pipe balancing gt Pipes Stop valve aen high pressure side Sse Ball head d lock nut f LP d Nipple 50 mm 2 inch pipe __ Process CA LEG FAF connector Process connector bolts F0403 ai Figure 4 3 3 Valve Manifold Pipe Mounting Type 1 Screw nipples into the connection ports on the transmitter side of the 3 valve manifold and into the impulse piping connecting ports on the process connectors To maintain proper sealing wind sealing tape around the nipple threads Mount the 3 valve manifold on the 50 mm 2 inch pipe by fastening a U bolt to its mounting bracket Tighten the U bolt nuts only lightly at this time Install the pipe assemblies between the 3 valve manifold and the process connectors and lightly tighten the ball head lock nuts The ball shaped ends of the pipes must be handled carefully since they will not seal properly if the ball surface is scratched or otherwise damaged N Esc K IM 01C22A01 01E Dud esjnduy Hurjyjeysuy gt lt 4 Installing Impuls

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