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User`s Manual EJX118A and EJX438A Diaphragm Sealed

1. AL 30 are displayed alternately every two seconds Although AL 30 is displayed you may proceed to the next step However should any other error number be displayed take the appropriate measure in reference to Errors and Countermeasures in each communication manual A IMPORTANT e Do not turn off the power to the transmitter immediately after completion of the change in the LRV and or URV setting s Note that powering off within thirty seconds after setting will cause a return to the previous settings e Changing LRV automatically changes URV to the following value URV previous URV new LRV previous LRV e If the range setting push button and external zero adjustment screw are not touched during a range change operation the transmitter auto matically switches back to the normal operation mode Integral indicator Note Use a thin bar which has a blunt tip e g a hexagonal wrench to press the range setting push button Ve Q Figure 6 5 Range setting Switch Range setting switch Push button F0608 EPS IM 01C25H01 01E 7 MAINTENANCE 7 MAINTENANCE 7 1 Overview AS WARNING Since the accumulated process fluid may be toxic or otherwise harmful take appropriate care to avoid contact with the body or inhalation of vapors when draining condensate or venting gas from the transmitter pressure detector section and even after dismounting the instru ment
2. 40 to 60 C Tp 80 C T100 C Tamb 40 to 60 C Tp 100 C T120 C Tamb 40 to 60 C Tp 120 C e Enclosure P66 and IP67 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 Ii 200 mA Pi 0 9 W Effective internal capacitance Ci 10 nF Effective internal inductance Li 0 mH Note 3 Installation s All wiring shall comply with local installation requirements Refer 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 Note 5 Special Conditions for Safe Use e In the case where the enclosure of the Pressure Transmitter is made of aluminium if it is 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 Nonhazardous Location Transmitter l I pm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm ee i Safety Barrier 1 QO i 1 In any safety barriers used the output current must be limited by a resistor R such that Imaxout Uz R F0204 EPS b CENEL
3. For Combination type M2Y a Ol J Ol A E O1 N EJX118A j Ol N a QI j Ol Ol ala 01 OH cq Ol Li a Ol Certificate 5 BE QI O1 B lech Ol For B Capsule 01 O1 O1 O1 OINO EJX438A mg ef j LD Ol d Wu Le T0814 EPS 1 Applicable for flushing connection ring code 1 2 3 4 A B C and D 2 Applicable for flush type process connection style code W 3 Applicable for extended type and Combination type process connection style code E and Y 4 Pure nitrogen gas is used for oil prohibited use option code K1and K5 5 The unit on the certificate is always MPa regardless of selection of option code D1 D3 or D4 A flushing connection ring will not be applied when conducting the pressure test or leak test 8 13 IM 01C25H01 01E 8 4 DIMENSIONS 8 GENERAL SPECIFICATIONS Transmitter body section EJX118A Unit mm Approx inch Integral indicator optional 110 4 33 Eyiernal indicator Conduit connection conduit connection Zero adjustment optional 6 oj 0 23 e Oz j SA Pe E Oo Ground terminal Ayton Electrical connection Ai ATE for code 5 and 9 5 A x G High pressure side OO al Shrouding bolt A for flame proof type OO E ERAR 2 inch pipe W A O D 60 5 mm Y Mounting bracket p Ge flat type optional eS J F0811
4. ae 4 3 Transmitter Mounting side W The transmitter can be mounted on a nominal 50 mm 2 inch pipe using the mounting bracket supplied as shown in Figure 4 3 The transmitter can be mounted on either a horizontal or a vertical A IMPORTANT Install the sealed diaphragm so that the shank positions downward pipe Minimum E When mounting the bracket on the transmitter High liquid level l pressure Hp tighten the four bolts that hold the transmitter to a SES 50mm minimum torque of approximately 39 N m 4 kgf m Horizontal pipe mounting The transmitter should be installed as low as possible below the position where the high pressure side diaphragm seal is installed Transmitter mounting bolt A IMPORTANT Install the sealed diaphragm so that the shank positions downward U bolt nut Mounting bracket 50mm 2 inch pipe Vertical pipe mounting Transmitter F0402 EPS mounting bolt Figure 4 2 Installing the Diaphragm Seals to a Tank Se We KE A Te 50mm 2 inch pipe O U bolt nut Mounting bracket F0403 EPS Figure 4 3 Transmitter Mounting A IMPORTANT Never loosen the four bolts securing the cover flange or the screws at the joints between the capillary tube and cover flanges Refer to figure 3 2 If the seal liquid leaks the transmitter cannot be used 4 2 IM 01C25H01 01E 4 INSTALLATION A IMPORTANT Low pressure side The transmitter sh
5. All Rights Reserved Copyright 2004 Yokogawa Electric Corporation CONTENTS BAe ARENS 5 2 SAk HOOD Ee ele E 5 2 1 General use Type and Flameproof Type ss nsonnnnnnoennnesennnenennnne 5 2 2 Intrinsically Safe Type a src de 5 2 5 4 2 Wiring Installation cc ccccseccccseeeeceeeeeeceeeeeaeeeeeneuseesseeeeeneeeesaees 5 2 1 General use Type and Intrinsically Safe Type o000nnn000nnnn0annn 5 2 27 El elle TYDE EE 5 3 ORO SGROUNGIN EE 5 3 5 6 Power Supply Voltage and Load Resistance ssossenesseeerrreeeneeen 5 3 ee IN arate cise settee eee te ade iia 6 1 6 1 Preparation for Starting Operation cccecccececesseeeeeeeeeaeeeeeeeeesaaeees 6 1 62 Zero POI Adjustment ira a aa 6 2 6 3 EES ee 6 3 6 4 Shutting DOWN Operation cccecccceceeeececceeeseeeeeeeeeeeeeeeeeeeseeeeeeesaess 6 3 6 5 Venting or Draining Transmitter Process Detector Section 6 3 6 5 1 Draining Condensate for Flushing Connection Ring 6 3 6 5 2 Venting Gas for Flushing Connection Ring sssssssssseeesseenenen 6 3 6 6 Setting the Range Using the Range setting Switch cee 6 4 Te RO RNTERNGNG Ee Ee 7 1 Fe We ee 7 1 7 2 Calibration Instruments Selection cccccssssceeeeeeseeseeeeeeseeeeeeeeeseees 7 1 To Galai RE 7 1 7 4 Disassembly and Reassembly cccceccccsseeeesseeeeceeeeeseeseeeseeeeeseaees 7 3 7 4 1 Replacing t
6. For 3inch 80 mm E For 2inch 50 mm 2inch For 2inch 50 mm mm Fluorinated oil Cem No F9145YN Diaphragm Gasket area Diaphragm seal F0408 EPS Figure 4 8 Affixing the Teflon Film 4 6 Rotating Transmitter Section The transmitter section can be rotated in either direc tion to any desired position Note that there is a stopper which prevents the transmitter from being rotated more than 360 4 INSTALLATION 1 Using the Allen wrench remove the two setscrews securing the transmitter section to the capsule assembly 2 Rotate the transmitter section slowly to the desired position 3 Tighten the two setscrews to a torque of 1 5 N m 15 kgf cm A IMPORTANT Do not rotate the transmitter section more than the above limit Transmitter section Sa Rotate 180 segments Conduit connection Pressure detector section Ee Figure 4 9 Rotating Transmitter Section 4 7 Changing Integral Indicator Direction A IMPORTANT e Always turn OFF power and shut off and release pressures before disassembly e For changing the integral indicator direction the transmitter must be removed to a non hazardous area An integtal indicator can be installed in the following three directions Refer to subsection 7 4 for attaching and removing the integral indicator F0410 EPS Figure 4 10 Integral Indicator Direction IM 01C25H01 01E 5 WIRING 5 WIRING 5 1 Wiring Precautions
7. JIS SUS316L JIS SUS316L Hastelloy C 276 9 Hastelloy C 276 09 Tantalum Tantalum Titanium Titanium Flushing connection ring Ring Drain Vent plugs Material None Straight type R 1 4 connections JIS SUS316 Straight type 1 4 NPT connections JIS SUS316 OO OOOO Straight type R 1 4 connections JIS SUS316 Straight type 1 4 NPT connections JIS SUS316 Fill fluid For general use silicone oil 3 10 to 250 C 10 to 60 C For general use silicone oil 30 to 180 C 15 to 60 C For high temperature use silicone oil 4 7 10 to 310 C 10 to 60 C For oil prohibited use fluorinated oi 20 to 120 C 10to 60 C For low temperature use ethylene glycol 50 to 100 C 40to 60 C Capillary length POO Or O02 OO OOOO OO C0 Zeie lt pion secher The yx marks indicate the most typical selection for each specification Example EJX118A DMS2G 912EN WA13B1SW00 BA25 L EE EJX438A DMS2G 912EN WA13B1SW00 BA25 H 1 See table 8 2 Gasket contact surface on page 8 3 2 When specified flushing connection ring code 1 2 A or B exclusive gasket is provided for transmitter side 3 In case of wetted parts material code TW Tantalum the process temperature limit is 10 to 200 C 4 Wetted parts material code TW Tantalum cannot be applied 5 Even incase where fill fluid code D fluorinated oil is selected if degrease cleansing treatment or both degrease cleansing and dehydrat
8. User s pPhap EIK Manual EJX118A and EJX438A Diaphragm Sealed Differential Pressure and Pressure Transmitters IM 01C25H01 01E vigilantplant YOKOGAWA Waesemgng 3rd Edition Yokogawa Electric Corporation t ellen e 1 1 R gatding REH e EE 1 1 da Sate Use or TiS ELE ege eaten eases 1 2 t2 VRAIN ee 1 3 123d ATEX DOCUMENTAION 2 2i2 ce DEE 1 4 2 HANDLING CAUTIONS westss cectescwesiinieecseucciweivetinuesieacaneacedanidusscanieesnaveneesieates 2 1 2 1 Model and Specifications Check 2 1 2A UNPACKING DE 2 1 Se Orage ee Ee geg 2 1 2 4 Selecting the Installation Location ccceceeceecceseeeeeeeeceeeeeeeeessaeeees 2 2 25 Pressure Conneccion EE 2 2 2 6 Waterproofing of Cable Conduit Connections cccecccceseeeeeeeeeees 2 2 2 7 Restrictions on Use of Radio Transceivers ccccceseeeeeeeeeeeeeeeeeees 2 2 2 8 Insulation Resistance and Dielectric Strength Test 2 2 2 9 Installation of an Explosion Protected Instrument nnnannnannnnnannnna 2 3 29A E leie EE 2 3 2 92 CSA CeninCatiOn EE 2 5 2 9 3 CENELEC ATEX KEMA Certification ceceeeeeeeteeeeeeeees 2 7 2 9 4 IEC Ex Certification 0 0 0 ceccccccesscceseeeseeeeeeeseeeessaeeeeeeseeeeeeteas 2 10 2 10 EMC Conformity Standards neiesten eege den tite 2 11 2 11 Pressure Equipment Directive PED ssssssssssssnssssrnrensrnrrnsrnrresernee 2 11 2 142 LOW Voltage DITeClVG et ee 2 11 3 COMPONE
9. oo ot ot ore No n Dia h J2 JIS 20K 185 6 10 120 4 72 100 3 94 61 2 40 18 0 71 0 8 190 75 25 0 98 27 1 06 Mim 165 6 50 130 5 12 100 3 94 61 2 40 26 1 02 o 8 19 0 75 25 0 98 27 1 06 J6 JIS63K_ 185 7 28 145 5 71 100 8 94 61 2 40 34 1 34 0 8 23 0 91 25 0 98 27 1 06 A2 ANSI class 300 165 1 6 50 127 0 5 00 100 3 94 61 2 40 22 4 0 88 1 6 0 06 e _ 19 1 0 75 25 0 98 27 1 06 165 1 6 50 127 0 5 00 100 3 94 61 2 40 31 8 1 25 6 4 0 25 8 19 1 0 75 25 0 98 27 1 06 P2 JPI class 800 165 6 50 127 0 6 00 100 8 94 61 240 22 40 88 1 6 0 06 8 1910 75 25 0 98 27 1 06 Pa JPI class 600 165 6 50 127 0 6 00 100 8 94 or 240 819 01 26 6410 25 8 191075 25 0 98 27 1 06 D2 DIN PNione 165 6 50 125 4 92 1008 94 or 240 1807 o 4 180071 25 0 96 27 1 06 D4 DIN PNa540 165 6 50 125 4 92 1008 94 61240 201079 0 4 181071 25 0 96 27 1 06 135 5 31 26 102 o 4 2087 25 0 98 27 7 06 Process flange size 1 1 2 inch 40 mm Bolt holes J Bonge E ee pm oo ow ot om ki Dia h waag ees ATH eosa o 4 191075 27008 WUT C vis 20K 1405 51 1054 19 866 39 44 179 18 071 0 4 191075 24094 o 4 23 091 27
10. 1 Align both the LCD board assembly and CPU assembly connectors and engage them 2 Insert and tighten the two mounting screws 3 Replace the cover Output terminal cable iN forward LA Integral indicator CPU assembly Bracket for zero adjustment screw pin LCD board assembly Zero adjustment screw pin Mounting screw Amplifier Cover Figure 7 3 Removing and Attaching LCD Board Assembly and CPU Assembly 7 3 IM 01C25H01 01E 7 4 2 Replacing the CPU Board Assembly This subsection describes the procedure for replacing the CPU assembly See figure 7 3 E Removing the CPU Assembly 1 Remove the cover If an integral indicator is mounted refer to subsection 7 4 1 and remove the indicator 2 Turn the zero adjustment screw to the position where the screw head slot is horizontal as shown in figure 7 3 3 Disconnect the output terminal cable cable with brown connector at the end When doing this lightly press the side of the CPU assembly connec tor and pull the cable connector to disengage 4 Use a socket driver width across flats 5 5mm to loosen the two bosses 5 Carefully pull the CPU assembly straight forward to remove it 6 Disconnect the flat cable cable with white connec tor at the end that connects the CPU assembly and the capsule AN NOTE Be careful not to apply excessive force to the CPU assembly when removing it 7 MAINTENANCE E Mounting the CPU Assembly 1
11. Connect the flat cable with white connector between the CPU assembly and the capsule 2 Connect the output terminal cable with brown connector AN NOTE Make certain that the cables do not get pinched between the case and the edge of the CPU assembly 3 Align and engage the zero adjustment screw pin with the groove on the bracket on the CPU assem bly Then insert the CPU board assembly straight onto the post in the amplifier case 4 Tighten the two bosses If the transmitter is equipped with an integral indicator refer to subsec tion 7 4 1 to mount the indicator AN NOTE Confirm that the zero adjustment screw pin is placed properly in the groove on the bracket prior to tightening the two bosses If it is not the zero adjustment mechanism will be damaged 5 Replace the cover TA IM 01C25H01 01E 7 5 Troubleshooting If any abnormality appears in the measured values use the troubleshooting flow chart below to isolate and remedy the problem Since some problems have complex causes these flow charts may not identify all If you have difficulty isolating or correcting a problem contact Yokogawa service personnel 7 5 1 Basic Troubleshooting First determine whether the process variable is actually abnormal or a problem exists in the measurement system If the problem is in the measurement system isolate the problem and decide what corrective action to take This transmitter is equipped with a self diagnos
12. YES Refer to Section 5 3 to check correct polarity at each terminal from power supply to the terminal box Are power supply voltage and load BS resistance correct YES Refer to Section 5 6 for rated voltage and load resistance continuity through the transmitter loop wiring Do the loop numbers match YES Find correct broken conductor or wiring error Contact Yokogawa service personnel NO F0705 EPS IM 01C25H01 01E Output travels beyond 0 or 100 Connect BRAIN TERMINAL and check self diagnostics Does the self diagnostic indicate problem location NO Refer to error message Summary in each communication manual to take actions Are high and low pressure side diaphragm seals correctly connected to the process Correct the connections YES YES NO NO Is power supply polarity correct YES Check correct polarity at each terminal from power supply to the terminal box NO Is the liquid level as specified YES Use the transmitter within the measurement range shown on the data plate Is zero point NO adjusted correctly YES Adjust the zero point Contact Yokogawa service personnel FO706 EPS 7 MAINTENANCE Large output error Connect BRAIN TERMINAL and check self diagnostics Does the self VES diagnostic indicate the problem location NO Refer to error message summary in each
13. pressure detector section as shown in Figure 4 6 At the factory shipment the flushing connection ring is already assembled and attached to process detector section Pressure detector section Spiral gasket SR Ring holder PRL gt D s Q Q Groove for installing spiral gasket View from pressure detector section F0406 EPS Figure 4 6 Mounting to Pressure Detector Section 1 Mount the ring holder on the ring and loosely tighten the mounting screws 2 Place the spiral gasket in the ring groove With the ring correctly aligned and flush with the face of the pressure detector securely tighten each ring holder s mounting screws 3 Position the ring so that the drain vent plugs are aligned straight up and down 4 INSTALLATION 4 4 2 Mounting to Process Flange Tighten the bolts to completely close the gap between the ring and the pressure detector section The mating flange gasket stud bolts and nuts are to procured by the customer Mating flange Diaphragm Pressure detector section F0407 EPS Figure 4 7 Mounting to Process Flange A IMPORTANT e Confirm that there is no gap between the ring and the process detector section after they are mounted on the process flange A gap can lead to a sudden explosive release of process fluids e When mounting or removing the ring take care not to tilt the pressure detector downward as the ring can slip off and cause injury e Whe
14. requirements and the local electrical code b Wiring e The instrument must be installed by an engineer or technician who has an expert knowledge of this instrument Operators are not permitted to carry out wiring unless they meet this condition e Before connecting the power cables please confirm that there is no current flowing through the cables and that the power supply to the instrument is switched off c Operation e Wait 5 min after the power is turned off before opening the covers IM 01C25H01 01E d Maintenance Please carry out only the maintenance procedures described in this manual If you require further assistance please contact the nearest Yokogawa office Care should be taken to prevent the build up of dust or other materials on the display glass and the name plate To clean these surfaces use a soft dry cloth e Explosion Protected Type Instrument Users of explosion proof instruments should refer first to section 2 9 Installation of an Explosion Protected Instrument of this manual The use of this instrument is restricted to those who have received appropriate training in the device Take care not to 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 INTRODUCTION 1 2 Warranty The warranty
15. 1 Mounting screw CPU assembly Cover flange VW S Ge Burnout direction switch Bolt Range setting BOH L switch Note 1 EST See Subsection 6 6 ae D Amplifier cover Transmitter section Write protection switch Hardware write protection switch WR Write Protection Switch Position Note 2 E D D Burnout direction switch BO Burnout Direction H L H L Switch Position Note 2 Burnout Direction HIGH Note 1 See subsection 9 2 Model and Suffix Codes for details Note 2 Set the switches as shown in the figure above to set the burn out direction and write protection The Burnout switch is set to the H side for delivery unless option code C1 or C2 is specified in the order and the hardware write protection switch is set to E side The setting of the switches can be confirmed via communication An external zero adjustment screw can only be disabled by communication To disable the screw set a parameter before activating the hardware write pretect function See each communication manual for details NO YES Write enabled Write disabled F0302 EPS Figure 3 2 Component Names Transmitter Section Details Table 3 1 Display Symbol Display Symbol Meaning of Display Symbol Display mode is square root Display is not lit when linear mode The output signal being zero adjusted is decreasing Write protect function is enabled T0301 EPS eS E creureonal being vere adustea
16. 1 06 30 1 18 TITIA 98 6 3 88 1 When wetted parts material code UW titanium is selected value is 34 1 34 2 Indicates inside diameter of gasket contact surface 3 In case where process flange material is JIS S25C value of f is 0 4 In case where process flange material is JIS SUS304 in ANSI JPI flange value of f is included in t T0815 EPS 5 on amp 8 16 IM 01C25H01 01E Terminal Configuration Communication terminals BT200 etc ee connection hook Tag Number As specified in order baring 2 2 sec or as specified in order Output Mode Linear unless otherwise specified in order Calibration Range ae Lower Range Value As specified in order Calibration Range tind i Pa Jale As specified in order Selected from mmH 0 mmH O0 68 F mmAq mmWG mmHg Pa hPa kPa MPa mbar bar gf cm kgf cm inH O inH O 68 F inHg ftH2O ftH 0 68 F or psi Only one unit can be specified Calibration Range Units Display Setting Designated differential pressure value specified in order Engineering unit or user scaled value Display mode Linear or Square root is also as specified in order Static Pressure 0 to 25MPa for M and H capsule Display Range Display unit is selectable from the units listed inabove Calibration Range Units T0816 EPS 1 For differential pressure transmitters only 2 To specify these item
17. 4 JIS SUS316 Reducer type 1 4 NPT connections JIS SUS316 Eeer CP Co Fill fluid Process temp Ambient tempe For general use silicone oil 10 to 250 C 10 to 60 C For general use silicone oil 30 to 180 C 15 to 60 C For oil prohibited use fluorinated ol 20 to 120 C 10 to 60 C For low temperature use ethylene glycol 50 to 100 C 40 to 60 C Capillary connection Eemer Side of diaphragm seal unit ere Rae i EE Capillary length GOO OGO OOOO OOO O O i Or OOO Option codes L1 Optional specification T0809 EPS The sx marks indicate the most typical selection for each specification Example EJX118A DMS2G 912EN WA18B1SW40 BA25 L EJX438A DMS2G 912EN WA18B1SWD0 BA25 H 1 See table 8 2 Gasket contact surface on page 8 3 is When specified flushing connection ring code 3 4 C or D exclusive gasket is provided for transmitter side 3 Even incase where fill fluid code D fluorinated oil is selected if degrease cleansing treatment or both degrease cleansing and dehydrating treatment for the wetted parts is required specify option code K1 or K5 4 Not applicable for gasket contact surface code 1 The marks indicate the construction materials conform to NACE material recommendations per MRO1 75 For the use of 316 SST material there may be certain limitations for pressure and temperature Please refer to NACE standards for details 8 8 IM 01C25H01 01E 8 GENERAL SP
18. 4 inch 100 mm Low pressure side 3 inch 80 mm JIS S25C JIS SUS304 JIS SUS316 Serration for ANSI flange only Flat no serration Diaphragm Pipe Others High pressure side JISSUS316L JIS SUS316 JIS SUS316 Low pressure side JIS SUS316L JIS SUS316L 9 DE Fill fluid Capillary length Option codes Length X2 50 mm Length X2 100 mm Length X2 150 mm Process temp Ambient temp For general use silicone oil 10 to 250 C 10 to 60 C For general use silicone oil 30 to 180 C 15 to 60 C For high temperature use silicone oil 10 to 310 C 10 to 60 C For oil prohibited use fluorinated oi 20 to 120 C 10 to 60 C For low eee use ene glycol 50 to 100 C 40 to 60 C L1 Optional specification T0811 EPS The sx marks indicate the most typical selection for each specification Example EJX118A DMS2G 912EN YA1WB1SY04 BC25 L 1 See table 8 2 Gasket contact surface on page 8 3 2 Even in case where fill fluid code D fluorinated oil is selected if degrease cleansing treatment or both degrease cleansing and dehydrating treatment for the wetted parts is required specify option code K1 or K5 3 The specified capillary length of high pressure side extended side includes the extension length X2 and the flange thickness t The marks indicate the construction materials conform to NACE material recommendations per MRO1 75 For the use of 316 SST ma
19. 782002 Process flange size 3 inch 80 mm Bolt holes FI 2 SE x aaa ia ic oc io foo ot ore No n Dia h 8 19 0 75 25 0 98 27 1 06 7140 5 2 840 02 32 JIS20K_ 200 7 87 160 6 30 130 5 12 _90 3 54 22 0 87 o 8 23 0 91 25 0 98 27 1 06 _71 0 5 2 840 02 J34 JIS40K_ 210 8 27 170 6 69 130 5 12 90 3 54 32 1 26 0 8 230 91 25 0 98 27 1 06 4 a6 vis 63K 2809 06 185728 130613 90 54 40 1 57 0 8 2510 98 25 0 98 27 1 06 710 5 2820 08 CA2 ANSI class 300 209 6 8 26 168 1 6 62 1906 12 90 854 28 51 12 1 6 0 06 8 22 4 0 88 25 0 98 27 1 06 712055 2820 02 200 6 8 25 168 1 6 62 130 6 12 90 854 382 1 50 6410 25 8 204 0 86 25 098 27 1 06 E JPI class 300 210 8 27 168 1 6 61 1906 12 90 54 12850 12 1 6 0 06 8 22 0 87 25 0 98 27 1 06 7120 5 2820 02 38 4 151 6 4 025 8 22087 2510 98 2711 06 D2 DIN Pnie 20017 87 160 6 90 1906 12 90 354 20079 0 8 1810 71 25 0 98 27 1 06 710 5 28 008 Pb DIN PNa5 40 2007 87 1606 90 130 613 90 354 241094 0 8 1810 71 250 98 27 1 06 712055 2820 00 os DIN PNEs 215 8 46 17016 69 1906 12 90 854 2110 0 8 221087 2510 98 artioy Process flange size 2 inch 50 mm Bolt holes pane tae oun oc
20. Applicable Standard IEC 60079 0 2000 IEC 60079 11 1999 IEC 60079 15 2001 e Ex ia IIC T4 Ex nL UC T4 e Ambient Temperature 50 to 60 C e Max Process Temp 120 C e Enclosure P66 and IP67 Note 2 Entity Parameters e Intrinsically safe ratings are as follows Maximum Input Voltage Vmax U1 30 V Maximum Input Current Imax li 200 mA Maximum Input Power Pmax Pi 0 9 W Maximum Internal Capacitance C1 10 nF Maximum Internal Inductance Li 0 WH e Type n ratings are as follows Maximum Input Voltage Vmax U1 30 V Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 WH e Installation Requirements Uo lt Ui Io lt li Po lt Pi Co Ci Ccable Lo Li Leable Voc lt Vmax Isc lt Imax Ca Ci Ccable La gt Li Lcable Uo Io Po Co Lo Voc Isc Ca and La are parameters of barrier Note 3 Installation e In any safety barreir used output current must be limited by a resistor R such that lo Uo R s The safety barrier must be IECEx certified e Input voltage of the safety barrier must be less than 250 Vrms Vdc 2 HANDLING CAUTIONS e The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation and will void IECEx Intrinsically safe and type n certification Intrinsically Safe Hazardous Location 1 gt Nonhazardous Location Group IIC Zone 0 l l General l EJX Series Pressure IECEx certified
21. Short circuit the and SUPPLY terminals in the terminal box 2 Turn OFF the dielectric strength tester Then connect the tester between the shorted SUPPLY terminals and the grounding terminal Be sure to connect the grounding lead of the dielectric strength tester to the ground terminal 3 Set the current limit on the dielectric strength tester to 10 mA then turn ON the power and gradually increase the test voltage from 0 to the specified voltage 4 When the specified voltage is reached hold it for one minute 5 After completing this test slowly decrease the voltage to avoid any voltage surges 2 9 Installation of an Explosion Protected Instrument AN NOTE For FOUNDATION Fieldbus explosion protected type please refer to IM 01C22T02 01E If a customer makes a repair or modification to an intrinsically safe or explosionproof instrument and the instrument is not restored to its original condition its intrinsically safe or explosionproof construction may be compromised and the instrument may be hazardous to operate Please contact Yokogawa before making any repair or modification to an instrument 2 HANDLING CAUTIONS A CAUTION This instrument has been tested and certified as being intrinsically safe or explosionproof Please note that severe restrictions apply to this Instrument e construction installation external wiring maintenance and repair A failure to abide by these restrictions could make the
22. WH e Installation Requirements Uo lt Ui Io lt li Po lt Pi Co Ci Ccable Lo Li Leable Voc lt Vmax Isc lt Imax Ca Ci Ccable La gt Li Leable Uo Io Po Co Lo Voc Isc Ca and La are parameters of barrier Note 3 Installation e In any safety barreir used output current must be limited by a resistor R such that lo Uo R or Isc Voc R e The safety barrier must be CSA certified s Input voltage of the safet barrier must be less than 250 Vrms Vdc e Installation should be in accordance with Canadian Electrical Code Part I and Local Electrical Code e Dust tight conduit seal must be used when installed in Class II and HI environments 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 IM 01C25H01 01E Intrinsically Safe Hazardous Location 1 gt Nonhazardous Location Group IIC Zone 0 Class Il Ill Division 1 Groups A B C D E F G General EJX Series Pressure i Purpose Transmitters i Safety Barrier Equipment Lo p OOH l F0204 1 EPS Nonincendive Hazardous Location Nonhazardous Location Group IIC Zone 2 Class Il Division 2 Groups A B C D E F G CSA Certified Class IIl Division 1 Equipment EJX Series Pressure nL or nonincend
23. code D for fill fluid code D E Flange max working pressure ee ene ae 100 14 5 Atmospheric pressure 51 7 4 Working pressure kPa abs psi abs 10 1 4 2 7 0 38 1 0 14 0 1 0 014 50 0 50 100 150 200 250 300 350 Process Temperature C F0802 EPS Figure 8 2 Working Pressure and Process Temperature Fill fluid fluorinated oil for oil prohibited use and ethylene glycol for low temperature use Supply amp Load Requirements Optional features or approval codes may affect electrical requirements With 24 V DC supply up to a 550 Q load can be used See graph below 600 Digital External Communication resi ee OIG EE SS resistance l l l l l l l l l i 10 5 16 6 25 2 42 Power supply voltage E V DC F0803 EPS Figure 8 3 Relationship Between Power Supply Voltage and External Load Resistance Supply Voltage 10 5 to 42 V DC for general use and flameproof type 10 5 to 32 V DC for lightning protector Option code A 10 5 to 30 V DC for intrinsically safe type n or non incendive type Minimum voltage limited at 16 6 V DC for digital communications BRAIN and HART 8 2 IM 01C25H01 01E Load Output signal code D and E 0 to 1290 for operation 250 to 600 Q for digital communication Communication Requirements Safet
24. fluids with the skin or eyes and the inhalation of vapors from these fluids even after dismounting the instrument from process line for maintenance The following precautions must be observed in order to safely operate the transmitter under pressure a Make sure that there are no leaks in the impulse piping b Never apply a pressure higher than the specified maximum working pressure 2 HANDLING CAUTIONS 2 6 Waterproofing of Cable Conduit Connections Apply a non hardening sealant to the threads to waterproof the transmitter cable conduit connections See figure 5 8 5 9 and 5 10 2 Restrictions on Use of Radio Transceivers A IMPORTANT Although the transmitter has been designed to resist high frequency electrical noise if a radio transceiver is used near the transmitter or its external wiring the transmitter may be affected by high frequency noise pickup To test this start out from a distance of several meters and slowly approach the transmitter with the trans ceiver while observing the measurement loop for noise effects Thereafter use the transceiver outside the range where the noise effects were first observed 2 8 Insulation Resistance and Dielectric Strength Test Since the transmitter has undergone insulation resis tance and dielectric strength tests at the factory before shipment normally these tests are not required If the need arises to conduct these tests heed the following a Do not perfo
25. for 25 to 130 kPa 5digits for 0 to 25 kPa Digital 0 2 of rdg 0 1 of F S for 80 to 0 kPa Select a manometer having manometer 3 For 700 kPa class a pressure range close to Accuracy 0 02 of rdg 3digits for 100 to 700 kPa that of the transmitter 5 digits for 0 to 100 kPa 0 2 of rdg 0 1 of F S for 80 to 0 kPa 4 For 3000 kPa class Accuracy 0 02 of rdg 10 digits for 0 to 3000 kPa 0 2 of rdg 0 1 of F S for 80 to 0 kPa 5 For 130 kPa abs class Accuracy 0 03 of rdg 6 digits for O to 130 kPa abs Model 7674 pneumatic pressure standard for 200 kPa 2 kgf cm 25 kPa 2500 mmH O Requires air pressure Accuracy 0 05 of F S supply Pressure generator Dead weight gauge tester 25 kPa 2500mmH O Select the one having a Accuracy 0 03 of setting pressure range close to that of the transmitter Model 6919 pressure regulator pressure pump Prepare the vacuum pump Pressure range 0 to 133 kPa 1000 mmHg for negative pressure ranges Pressure source T0701 EPS Note The above table contains the instruments capable of performing calibration to the 0 2 level Since special maintenance and management procedures involving traceability of each instrument to higher level standards are required for calibration to the 0 1 or higher level there may be difficulties in calibration to this level in the field For calibration to the 0 1 level contact Yokogawa representatives from which the instrume
26. from the process line for maintenance Maintenance of the transmitter is easy due to its modular construction This chapter describes the procedures for calibration adjustment and the disas sembly and reassembly procedures required for component replacement Transmitters are precision instruments Please carefully and thoroughly read the following sections for informa tion on how to properly handle them while performing maintenance A IMPORTANT e As a rule maintenance of this transmitter should be done in a shop that has all the necessary tools e The CPU assembly contains sensitive parts that can be damaged by static electricity Take precautions such as using a grounded wrist strap when handling electronic parts or touching the board circuit patterns Also be sure to place the removed CPU assembly into a bag with an antistatic coating 7 2 Calibration Instruments Se lection Table 7 1 lists the instruments that can be used to calibrate a transmitter When selecting an instrument consider the required accuracy level Exercise care when handling these instruments to ensure they maintain the specified accuracy 7 3 Calibration Use the procedure below to check instrument operation and accuracy during periodic maintenance or trouble shooting 1 Connect the instruments as shown in figure 7 1 and warm up the instruments for at least five minutes A IMPORTANT e To adjust the transmitter for highest accuracy make
27. screw For the communicator procedure see the communication manual 6 OPERATION A IMPORTANT Do not turn off the power to the transmitter immediately after performing a zero point adjust ment Powering off within 30 seconds of per forming this procedure will return the zero point to its previous setting AN NOTE Before performing this adjustment make sure that the external zero adjustment function has NOT been disabled by a parameter setting To check the output signal use a digital multimeter calibrator or communicator 1 When you can obtain the Low Range Value from the actual measured value of 0 0 kPa atmospheric pressure Zero adjustment screw cover F0605 EPS The zero adjustment screw is located inside the cover 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 The degree of zero adjust ments varies with the screw turning speed turn the screw slowly to make a fine adjustment quickly to make a rough adjustment When adjusting the transmitter zero point the liquid level in a tank does not have to be set to the low limit 0 of the measuring range use a digital manometer or a glass gauge to match the transmitter output signal with the actual measured value 2 When you cannot obtain the Low Range Value fro
28. shall cover the period noted on the quotation presented to the purchaser at the time of purchase Problems occurring during the warranty period shall basically be repaired free of charge If any problems are experienced with this instru ment the customer should contact the Yokogawa representative from which this instrument was purchased or the nearest Yokogawa office If a 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 your communication will also be helpful The party responsible for the cost of fixing the problem shall be determined by Yokogawa follow ing an investigation conducted by Yokogawa The purchaser shall bear the responsibility for repair costs even during the warranty period if the malfunction is due to Improper and or inadequate maintenance by the purchaser Malfunction or damage due to a failure to handle use or store the instrument in accordance with the design specifications 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
29. 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 IM 01C25H01 01E 1 3 ATEX Documentation This is only applicable to the countries in European Union 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 brugervejledninger 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 CO Tutti 1 manuali operativi di prodotti ATEX contrassegnati con Ex sono disponibili in inglese tedesco e francese Se si desidera ricevere 1 manuali operativi di prodotti Ex in lingua locale mettersi in contatto con l ufficio Yokogawa pi vicino o con un rappresentante Ce Todos los manuales de instrucciones para los productos antiexplosivos de ATEX estan disponibles en ingl s alem n y franc s Si desea solicitar las instrucciones de estos articulos antiexplosivos en su idioma local deber ponerse en contacto con la oficina o el representante de Yokogawa m s cercano Qu Alle handleidingen v
30. the wetted diaphragm Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection 8 1 IM 01C25H01 01E NORMAL OPERATING CONDITION Optional features or approval codes may affect limits Ambient Temperature Limits 40 to 60 C 40 to 140 F 30 to 60 C 22 to 140 F with LCD display Note The ambient temperature limits must be within the fill fluid operating temperature range see table 8 1 Process Temperature Limits See table 8 1 Ambient Humidity Limits 0 to 100 RH Working Pressure Limits See table 8 1 For atmospheric pressure or below see figure 8 1 and 8 2 Process temperature for fill fluid code B Process temperature for fill fluid code A Process temperature Transmitter ambient for fill fluid code C temperature range for fill fluid code A B Flange max working pressure 100 14 5 ae Atmospheric z pressure Working pressure kPa abs psi abs 10 1 4 2 7 0 38 1 0 14 0 1 0 014 50 0 50 100 150 200 250 300 350 Process Temperature C F0801 EPS Figure 8 1 Working Pressure and Process Temperature Fill fluid silicone oil for general and high temperature use 8 GENERAL SPECIFICATIONS Process temperature for fill fluid code E Process temperature Transmitter ambient temperature range for fill fluid
31. 00 JPI Class 150 300 1 Flushing connection rings are always attached 2 Applicable for EJX438A only 3 Applicable for EJX118A only Gasket Contact Surface See the following table Table 8 3 Gasket contact surface JIS JPVDIN ANSI SW HW SW HW SE TW SE TW SY UW SY UW lei ojojo T0805 EPS Wetted parts material code Gasket contact Surface Flat No serration Applicable Not applicable 1 ANSI B16 5 Electrical Connections See MODEL AND SUFFIX CODES Transmitter Mounting 2 inch pipe mounting Wetted Parts Material Diaphragm seal Diaphragm and other wetted parts Refer to MODEL AND SUFFIX CODES Flushing connection ring optional Ring and Vent Drain plugs Refer to MODEL AND SUFFIX CODES Spiral gasket for transmitter side 316SST Hoop PTFE Teflon Filler Non wetted Parts Material Transmitter body section Cover flange ASTM CF 8M Cover flange bolting ASTM B7M carbon steel 316 SSTASO A4 70 stainless steel or ASTM grade 660 stainless steel Housing Low copper cast aluminum alloy with polyurethane mint green paint Munsell 5 6BG 3 3 2 9 or its equivalent or ASTM CF 8M stainless steel Degrees of Protection IP67 NEMA4X JIS C0920 8 3 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS Name plate and tag 304 SST Diaphragm seal section Process Flange JIS S25C JIS SUS304 or JIS SUS316 Capillary tube JIS SUS316 P
32. 01C25T03 01E for the EJX series BRAIN communication type or IM 01C25T01 01E for the EJX series HART communication type For FOUNDATION Fieldbus protocol type please refer to IM 01C25T02 01E To ensure correct use of this instrument read both the hardware and software manuals thor oughly before use J WARNING When using the EJX in a Safety Instrumented Systems SIS application refer to Appendix A in either IM 01C25T01 01E for the HART protocol or IM 01C25T03 01E for the BRAIN protocol The instructions and procedures in this section must be strictly followed in order to maintain the transmitter for this safety level AN NOTE This manual covers the EJX118A diaphragm sealed differential pressure transmitter and EJX438A diaphragm sealed gauge pressure transmitter Unless otherwise stated the illustrations in this manual are of the EJX118A diaphragm sealed differential pressure transmitter Users of the EJX438A should bear in mind that certain features of their instrument will differ from those shown in the illustrations of the EJX118A 1 1 E Regarding This Manual This manual should be provided 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 warrant
33. 200 mA La gt 0 WH Pmax lt 1W e Intrinsically Safe Apparatus Parameters Groups C D E F and G Vmax 30 V Ci 6 nF Imax 225 mA Li 0 uH Pmax 1 W Associated Apparatus Parameters FM approved barriers Voc lt 30 V Ca gt 6 nF Isc lt 225 mA La gt 0 uH Pmax lt 1 W e Entity Installation Requirements Vmax Voc or Uo or Vt Imax 2 Isc or Io or It Pmax or Po lt Pi Ca or Co Ci Ccable La or Lo 2 Li Leable Note 3 Installation e Barrier 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 RP12 6 Installation of Intrinsically Safe Systems for Hazardous Classified Locations and the National Electric Code ANSI NFPA 70 e The configuration of associated apparatus must be FMRC Approved e Dust tight conduit seal must be used when installed in a Class II II Group E F or G environment 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 1 W e Note a warning label worded SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY and INSTALL IN ACCORDANCE WITH DOC No IFM022 A12 Note 4 Maintenance and Repair e The instrument modification or parts replacement by other than authorize
34. A IMPORTANT Please use a gasket with an inside diameter d that is greater than the diameter of the dia phragm seal If a gasket with a smaller inside diameter is used the diaphragm may not func tion correctly Refer to Subsection 8 4 Dimensions A IMPORTANT e When measuring the liquid level of the tank the minimum liquid level zero point must be set to a level at least 50 mm above the center of the high pressure side diaphragm seal see Figure 4 2 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 extra tube portion coil diam eter of 300 mm or more and secure the coiled tube with a clamp e During the diaphragm seal installation ensure as far as possible that no seal liquid head pressure is applied to the diaphragm seals e Exercise care so as not to damage diaphragm surfaces Since the diaphragm protrudes approx 1 mm from the flange surface do not place the pressure detector section face down on a surface as this can damage the dia phragm e Do not sharply bend or twist capillary tube or apply excessive stress to them IM 01C25H01 01E 4 INSTALLATION
35. A IMPORTANT e Lay wiring as far as possible from electrical noise sources such as large capacity transform ers motors and power supplies e Remove the electrical connection dust cap before wiring e All threaded parts must be treated with water proofing 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 ATEX flameproof type transmitters When the shroud ing bolt is driven clockwise using an Allen wrench it goes in The cover lock can then be released and the cover can be opened by hand See subsection 7 4 Disassembly and Reassembly for details e Plug and seal an unused conduit connection 5 2 on the Wiring Materi als a Use stranded leadwires or cables which are the same as or better than 600 V grade PVC insulated wire JIS C3307 or its equivalent b Use shielded wires in areas that are susceptible to electrical noise c In areas with higher or lower ambient temperatures use appropriate wires or cables d In environment where oils solvents corrosive gases or liquids may be present use wires or cables that are re
36. Check The model name and specifications are written on the name plate attached to the case F0202 EPS Figure 2 2 Name Plate 2 1 2 2 Unpacking Keep the transmitter in its original packaging to prevent it from being damaged during shipment Do not unpack the transmitter until it reaches the installa tion site 2 3 Storage The following precautions must be observed when storing the instrument especially for a long period a Select a storage area which meets the following conditions e It is not exposed to rain or subject to water seepage leaks e Vibration and shock are kept to a minimum e It has an ambient temperature and relative humidity within the following ranges Ambient temperature 40 to 85 C without integral indicator 30 to 80 C with integral indicator Relative humidity 0 to 100 R H at 40 C Preferred temperature and humidity approx 25 C and 65 R H b When storing the transmitter repack it carefully in the packaging that it was originally shipped with c If the transmitter has been used thoroughly clean the diaphragm surface of the diaphragm seal pressure detector section so that there is no process fluid remaining on them Before placing it in storage also make sure that the pressure detector is securely connected to the transmitter section IM 01C25H01 01E 2 4 Selecting the Installation Location The transmitter is designed to withstand severe environmental conditi
37. Class Division 1 Groups A B C and D Class Il Division 1 Groups E F and G Class Ill Division 1 Nonincendive for Class I Division 2 Groups A B C and D Class Il Division 2 Groups E F and G Class IIl Division 1 For CSA E60079 Ex ia IIC T4 Ex nL IIC T4 Combined CF1 and CS1 2 3 IECEx Intrinsically safe type n and flameproof Approval 1 3 Intrinsically safe and type n No IECEx CSA 05 0005 Ex ia IIC T4 Ex nL IIC T4 Flameproof No IECEx CSA 05 0002 Flameproof for Zone Ex d IIC T6 14 T0812 EPS Contact Yokogawa representative for the codes indicated as 1 Applicable for Electrical connection code 2 4 7 and 9 2 Applicable for Electrical connection code 2 and 7 3 Not applicable for option code AL 8 11 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS Greet Amplifier cover only Painting See Amplifier cover and terminal cover Munsell 7 5 R4 14 Coating change Anti corrosion coating Transmitter power supply voltage 10 5 to 32 V DC 10 5 to 30 V DC for intrinsically safe type Allowable current Max 6000 A 1x40 us Repeating 1000 A 1x40 us 100 times Applicable Standards IEC 61000 4 4 IEC 61000 4 5 Transistor output sink type Contact rating 10 5 to 30 V DC 120 mA DC max Low level 0 to 2 V DC Oil prohibited use Oil prohibited use with dehydrating treatment Lightning protector Status output AL Degrease cleansing treatment and dehydrating treatment P calibratio
38. EC ATEX KEMA Flameproof Type Caution for CENELEC ATEX KEMA flameproof type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code KF2 for potentially explo sive atmospheres e No KEMA 03ATEX2570 e Applicable Standard EN 50014 EN 50018 EN 50281 1 1 2 7 IM 01C25H01 01E e Type of Protection and Marking Code EEx d HC T6 T4 e Group II e Category 2G 1D e Temperature Class T6 T5 and T4 e Enclosure IP66 and IP67 e Ambient Temperature for gas proof 50 to 70 C T6 50 to 80 C T5 and 50 to 75 C T4 e Maximum Process Temperature Tp for gas proof 85 C T6 100 C T5 and 120 C T4 e Maximum Surface Temperature for dust proof T80 C Tamb 40 to 40 C Tp 80 C T100 C Tamb 40 to 60 C Tp 100 C T120 C Tamb 40 to 80 C Tp 120 C Note 2 Electrical Data e Supply voltage 42 V dc max e Output signal 4 to 20 mA Note 3 Installation e All wiring shall comply with local installation requirements e The cable entry devices shall be of a certified flameproof type suitable for the conditions of use Note 4 Operation e Keep the WARNING label attached to the transmitter WARNING AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING WHEN THE AMBIENT TEMP 265 C USE HEAT RESISTING CABLES 2Z90 C e Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous locatio
39. ECIFICATIONS ll Diaphragm seal section Extended type Process connection size 4 inch 100 mm 3 inch 80 mm EJX118A 4 E F0809 EPS Mode Suffix codes SSES EE 00 Ser Transmitter body section I x EJX438A gt X lt X lt AU Lo Lu Process connection style Flange rating JIS 10K Extended type O O JIS 20K JIS 40K ANSI class 150 ANSI class 300 JPI class 150 JPI class 300 DIN PN10 16 DIN PN25 40 Process connection size 4 inch 100 mm Process flange size 3 inch 80 mm Flange material JIS S25C JIS SUS304 JIS SUS316 Serration for ANSI flange only Flat no serration lo Wetted parts material Diaphragm Pipe Others JIS SUS316L JIS SUS316 JIS SUS316 Flushing connection ring COTTER None Extension Length X2 50 mm Length X2 50 mm Length X2 100 mm Length X2 100 mm Length X2 150 mm Length X2 150 mm Fill fluid Process temp Ambient temp For general use silicone oil 10 to 250 C 10 to 60 C For general use silicone oil 30 to 180 C 15 to 60 C For high temperature use silicone oil 10 to 310 C 10 to 60 C For oil prohibited use fluorinated oil 2 20 to 120 C 10 to 60 C For low temperature use ethylene glycol 50 to 100 C 40 to 60 C OOOO EE OOO OOO OO Oo Gasket contact surface Capillary length OOOCODOOOAOOJO0000 OooooooooOoloiooooo Option codes IT Optional specificatio
40. EPS EJX438A Unit mm Approx inch 137 5 39 Integral indicator optional aoe External indicator 89 3 50 Conduit connection conduit connection Zero adjustment optional 54 e 2 13 l oy I i 6 el g JE SE 0 23 Ci Di S E z Si P HT ge N LLO Sla CN Terminal side 1903 oO Ground terminal gation E connection ai AON or code 5 and 9 W s e aS A E High pressure side Low pressure side 00 E sl l gt La BCE pot type Open to atmosphere E E ole KL sehen wy 1 O D 60 5 Mounting bracket l meny Se flat type optional F0812 EPS 8 14 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS lt Diaphragm seal section gt Flush type Unit mm Approx inch e No ring flushing connection ring code 0 e With ring flushing connection ring code 1 2 3 4 A B C and D Diaphragm seal Flushing gt connection ring n oh a Capillary Capillary length length Drain vent plug ZE e al le NO Extended type 1 When wetted parts material code UW titanium value is 34 1 34 2 Indicates inside diameter of gasket contact surface 3 In case where process flange material is JIS S25C value of f is 0 4 In case where process flange material is JIS SUS304 in ANSI JPI flange value of f is included in t 5 Flushing connection ring S a Straight type Reducer type Lage 30 Spiral Oo Spiral Ni For flange size For flange size 3 or 2 inch 1 1 2 i
41. L e Take care not to generate mechanical sparking when access to the instrument and peripheral devices in a hazardous location 5 Maintenance and Repair A WARNING The instrument modification or part replacement by other than an authorized Representative of Yokogawa Electric Corporation is prohibited and will void the certification 2 HANDLING CAUTIONS 6 Name Plate Name plate Tag plate for flameproof type No KEMA 03ATEX2570 EExd IIC T6 T4 IP66 andIP67 TEMP CLA T MAX PROCESS TEMP Tp 85 100 120 C Te 50 70 80 75 C amb to T80 C Tamb 40 C Tp 80 C T100 C Tamb 60 C Tp 100 C T120 C Tamb 80 C Tp 120 C Min Tamb 40 C for DUST 12G O KE 11D WARNING A AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING WHEN THE AMBIENT TEMP 2 65 C USE THE HEAT RESISTING CABLES 90 C Tag plate for intrinsically safe type No KEMA O3ATEX1544 X EEx ia IIC T4 IP66 and IP67 Tamb 50 to 60 C MIN Tamb 40 C for DUST MAX PROCESS TEMP Tp 120 T85 C Tp 80 C T100 C Tp 100 C T120 C Tp 120 C Ui 30V li 200mA Pi 0 9W Ci 10nF Li 0 EEx nLIIC T4 IP66 and IP67 Tamb _ 50 to 60 C MAX PROCESS TEMP Tp 120 C Ui 30V Ci 10nF Li 0 F0207 EPS MODEL Specified model code STYLE Style code SUFFIX Specified suffix code SUPPLY Supply voltage OUTPUT Output signal MWP Maximum working pressure CAL RNG Specifie
42. NT NAMES Eege ees 3 1 4 INSTALEA TION ica ee aaa sce EE 4 1 Biel Ger re EE 4 1 4 2 Mounting the Diaphragm Seals cccccccsesseeeeeeeeeeeeeeeeeeseeeeeeeeeeaaeees 4 1 4 3 Transmitter Mounting siccutsscctanddon Aere Eege deene 4 2 4 4 Mounting the Flushing Connection RING cccccsseeeeeeeeceeeeeeeeeeeaeeees 4 4 4 4 1 Mounting to Pressure Detector Section sssessesseerrrrrerereeeeee 4 4 4 4 2 Mounting to Process Flange ccccseeeeeeeeeeeeeeeeeeeeeeeeeeeeenaeeeees 4 4 4 5 Affixing the Teflon Film cccccceccccceeeeceeeeecceeeeeceeeeecseseesseseeesaeees 4 5 4 6 Rotating Transmitter Section eee seeeesceeeeeeeeeeeeeeeseeeeeeeeeessaeeees 4 5 4 7 Changing Integral Indicator Direction ccccceecceceseeeeeeeeeeeeeeseaeeeees 4 5 9 WIRING E 5 1 Osh Wing SEENEN hee eete 5 1 5 2 Selecting the Wiring Materials cccccccseeccccecceseeeeeeeeseseeeeeeeeesaeeees 5 1 5 3 Connections of External Wiring to Terminal Box 5 1 5 3 1 Power Supply Wiring Connection ccccccsseeeeeeeeeeeeeeeeeeeesaeeees 5 1 5 3 2 External Indicator Connection ssseesssseessrrrrreerrrrrresrrrrrrensrnnn 5 1 5 3 3 Communicator CONNECTION cccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesaaeeees 5 1 5 3 4 Check Meter Connechon suiro a 5 2 53 5 Status Oulput CONDECION icici eis 5 2 FD No IM 01C25H01 01E IM 01C25H01 01E 3rd Edition July 2006 YK CONTENTS CONTENTS
43. Purpose Transmitters Safety Barrier Equipment O O O F0213 1 EPS type n lt I gt Nonhazardous Location Hazardous Location Group IIC Zone 2 IECEx Certified Equipment nL EJX Series Pressure Transmitters Not Use Safety Barrier F0213 2 EPS b IECEx Flameproof Type Caution for IECEx flameproof type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code SF2 and SU2 are appli cable for use in hazardous locations e No IECEx CSA 05 0002 e Applicable Standard IEC60079 0 2000 IEC60079 1 2001 e Flameproof for Zone 1 Ex d HC To T4 e Enclosure IP66 and IP67 e Maximum Process Temperature 120 C T4 100 C T5 85 C T6 e Ambient Temperature 50 to 75 C T4 50 to 80 C T5 50 to 70 C T6 e Supply Voltage 42 V dc max e Output Signal 4 to 20 mA dc Note 2 Wiring e In hazardous locations the cable entry devices shall be of a certified flameproof type suitable for the conditions of use and correctly installed e Unused apertures shall be closed with suitable flameproof certified blanking elements Note 3 Operation e WARNING AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING 9 10 IM 01C25H01 01E e WARNING WHEN AMBIENT TEMPERATURE 2 65 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 No
44. SELF CHECK ERROR appears on the display PARAM Co0 SELF CHECK ERROR communication error DALES REECH PRN Hoc Communication error Faulty wiring Self diagnostic error Faulty transmitter FO603 EPS IM 01C25H01 01E Using the integral indicator e If the wiring system is faulty the display stays blank e If the transmitter is faulty an error code is displayed YOKOGAWA A Self diagnostic error on the integral indicator Faulty transmitter pend eps AN NOTE If any of the above errors are indicated on the display of the integral indicator or the communi cator refer to subsection 7 5 3 for the corrective action Verify and Change Transmitter Parameter Setting and Values The parameters related to the following items are set at factory as specified by the customer e Calibration range e Integral indicator display e Output mode e Software damping optional Other parameters like following are shipped with the default setting e Low cut e Process alarm setting e Static pressure range e Signal characterizer e Write protection To confirm or change the values see IM 01C25TO1 OIE or 01C25T03 01E 6 2 Zero Point Adjustment After completing preparations for operating the transmitter adjust the zero point Zero point adjustment can be done by turning the transmitter s zero adjustment screw or by using the communicator This section describes the procedure for the zero adjustment
45. T N EST REQUIS Non Hazardous Hazardous Locations Division 1 Locations Non hazardous Location Equipment 50 cm Max 42 V DC Max Conduit AS 4 to 20 mA DC Sealing Fitting kl oS Signal EJX Series Non Hazardous Hazardous Locations Division 2 Locations Non hazardous l Location Equipment l EA UN 2 E 42 V DC Max Gay 4 to 20 mA DC Sealing Fitting Signal EJX Series F0205 1 EPS For CSA E60079 e All wiring shall comply with local installation requirements and local electrical code e In hazardous locations the cable entry devices shall be of a certified flameproof type suitable for the conditions of use and correctly installed e Unused apertures shall be closed with suitable flameproof certified blanking elements The plug attached is flameproof certified Note 3 Operation e WARNING AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING APRES POWER OFF ATTENDRE 5 MINUTES AVANT D OUVRIR 2 6 IM 01C25H01 01E e WARNING WHEN AMBIENT TEMPERATURE 2 65 C USE THE HEAT RESISTING CABLES 2 90 C QUAND LA TEMPERATURE AMBIANTE gt 65 C UTILISEZ DES CABLES RESISTANTES A LA CHALEUR 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 Corpor
46. The unit of MWP Max working pressure on the name plate of a housing is the same unit as specified by option code D1 D3 and D4 4 Applicable for output signal code D and E The hardware error indicates faulty amplifier or capsule 5 Specify the process operating temperature for zero correction Example Zero correction by process temperature 90 C 6 Applicable for wetted parts material code SW SE SY and HW 7 Also see Ordering Information 8 Applicable for flushing connection ring code 0 9 Check terminals cannot be used when this option is specified Not applicable for output signal code F and amplifier housing code 2 8 12 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS O O D Description Process flange Block Process flange Block Ring Material certificate Process flange Block Pipe Base High Pressure side Process flange Block Low Pressure side Process flange Block Flange rating Test pressure IS 10K 2 MPa 290 psi JIS 20K 5 MPa 720 psi JIS 40K 2 10 MPa 1450 psi ANSI JPI Class 150 3 MPa 480 psi ANSI JPI Class 300 2 8 MPa 1160 psi ANSI JPI Class 300 3 7 MPa 1000 psi ANSI JPI Class 600 2 16 MPa 2300 psi Pressure test LOK 2 MPa 290 psi Nit EET H O ANSI JPI Class 150 300 600 3 5 MPa 500 psi Retention time JIS 10K 2 MPa 290 psi sO minutes JIS 40K 2 10 MPa 1450 psi ANSI JPI Class 300 3 7 MPa 1000 psi ANSI JPI Class 600 2 16 MPa 2300 psi N CO BE
47. Working pressure 10 to 250 C 4 14 to 482 F Silicone oil general use Process temperature Ambient temperature 2 Working pressure Specific gravity 3 1 07 Silicone oil general use e EE ion 0 38 psi abs to 0 94 22 to 356 F 5 to 140 F flange rating pressure Silicone oil c 10 to 310 C 10 to 60 C 1 09 high temperature use 50 to 590 F 50 to 140 F j j o o 51 kPa abs 7 4 psi ab Fluorinated oil 20 to 120 C 10 to 60 C EE qomterkee oil prohibited use 4 to 248 F 14 to 140 F pressure 10 to 60 C 14 to 140 F 2 7 kPa abs T0803 EPS Ethylene glycol 50 to 100 C 40 to 60 C 100 kPa abs E atmospheric pressure 1 09 low temperature use 58 to 212 F 40 to 140 F to flange rating oressure 5 See figure 8 1 and 8 2 Working Pressure and Process Temperature 2 This ambient temperature is the transmitter ambient temperature 3 Approximate values at a temperature of 25 C 77 F 4 In case of wetted parts material code TW Tantalum process temperature limit is up to 200 C 392 F 5 Maximum measurement range value for EJX438W The working pressure must be within the flange rating pressure Note The differential pressure transmitter should be installed at least 600 mm below the high pressure HP process connection However this value 600 mm may be affected by ambient temperature operating pressure fill fluid or material of
48. adjustments with the power supply voltage and load resistance including leadwire resistances set close to the conditions under which the transmitter is installed In addition place the process connections of both high and low pressure side on the same level e If the measurement range 0 point is 0 kPa or shifted in the positive direction Suppressed zero the reference pressure should be applied as shown in the figure If the measurement range 0 point is shifted in the negative direction elevated zero the reference pressure should be applied using a vacuum pump 2 Apply reference pressures of 0 50 and 100 of the measurement range to the transmitter Calculate the errors differences between digital voltmeter readings and reference pressures as the pressure is increased from 0 to 100 and is decreased from 100 to 0 and confirm that the errors are within the required accuracy IM 01C25H01 01E 7 MAINTENANCE Table 7 1 Instruments Required for Calibration ied Model SDBT or SDBS distributor 4 to 20 mA DC signal Load Model 2792 standard resistor 250 Q 0 005 3 W resistor Load adjustment resistor 100 Q 1 1 WI voleter Model 2501 A digital multimeter SES Accuracy 10V DC range 0 002 of rdg 1 dot Model MT220 precision digital manometer 1 For 10 kPa class Accuracy 0 015 of rdg 0 015 of F S for 0 to 10 kPa 0 2 of rdg 0 1 of F S for 10 to 0 kPa 2 For 130 kPa class Accuracy 0 02 of rdg
49. are to be operated near an external heat source 2 12 Low Voltage Directive Applicable standard EN61010 1 1 Pollution Degree 2 Pollution degree describes the degree to which a soild 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 conductivity caused by condenstaion must be expected 2 Installation Category Overvoltage category Installation category describes a number which defines a transient overvoltage condition It implies the regulattion 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 01C25H01 01E 3 COMPONENT NAMES 3 COMPONENT NAMES EJX118A EJX438A Transmitter section Transmitter section See below for details See below for details Drain vent plug Flushing connection ring Cover flange Diaphragm seal with flushing connection ring Diaphragm seal illary tube high pressure side Diaphragm seal low pressure side Figure 3 1 Component Names External View of Flush type External indicator conduit connection Note 1 pr Urs 0 El ISP 100 nooo UU Screw YOKOGAWA Integral d indicator Note
50. ation and Yokogawa Corporation of America is prohibited and will void Canadian Standards Explosionproof Certification c CSA Intrinsically Safe Type CSA Explosionproof Type Model EJX Series pressure transmitters with optional code CU1 can be selected the type of protection CSA Intrinsically Safe or CSA 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 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 Note 2 2 9 3 CENELEC ATEX KEMA Certification 1 Technical Data a CENELEC ATEX KEMA Intrinsically Safe Type Caution for CENELEC ATEX KEMA Intrinsi cally safe type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code KS2 for potentially explo sive atmospheres e No KEMA 03ATEX1544 X e Applicable Standard EN 50014 EN 50020 EN 50284 EN 50281 1 1 s Type of Protection and Marking code EEx ia IIC T4 e Group II e Category 1G 1D e Ambient Temperature for gas proof 50 to 60 C 2 HANDLING CAUTIONS e Process Temperature Tp 120 C max e Maximum Surface Temperature for dust proof T85 C Tamb
51. atisfy the them as needed condition Continues to operate and Check input output Continues to operate and Check setting and change AL 79 OV DISP Displayed value exceeds limit 1 These alarms may appear only when process alarm function is activated T0703 EPS 7 7 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS 8 GENERAL SPECIFICATIONS 8 1 Standard Specifications Refer to IM 01C25T02 01E for FOUNDATION Fieldbus communication type marked with Q Performance Specifications See General Specifications sheet GS 01C25H01 01E and GS 01C25J03 01E Functional Specifications Span amp Range Limits EJX118A E sees _ eas 2 to 100 8 to 400 20 to 1000 200 to 10000 100 to 100 400 to 400 1000 to 1000 10000 to 10000 i 1010500 40to2000 100to5000 0 1 to 5 kgf cm Range 500 to 500 2000 to 2000 5000 to 5000 5 to 5 kgf cm T0801 EPS EJX438A N Span i 0 1 to 16 14 5 to 2300 1to 160 1 to 160 Extended Span 0 16to7 23 to 1000 1 6 to 70 1 6 to 70 type 0 1t07 14 5to1000 1to70 1to70 a ae T0802 EPS Measurement range is within the flange rating Output Two wire 4 to 20 mA DC output with digital communica tions linear or square root programmable BRAIN or HART FSK protocol are superimposed on the 4 to 20 mA signal Output range 3 6 mA to 21 6 mA Output limits conform to NAMUR NE43 can be pre set by op
52. bindung CS Alla instruktionsb cker for 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 a MertTovpyias Twv TPOLOVTWY pe ATEX Ex dtaTiWevtat ota AyyAuka l epuavik kar Poaddvka LE TepiTTHON Tov ypetaceote OdTyies OXETLKA We Ex gr TOTILKT YAWOOA TAPAKAAOVLE ETTLKOLVWVTOTE LE TO TANOLEDTEPO ypageio Ts Yokogawa N AVTLTPOTWTO TNs IM 01C25H01 01E 2 2 HANDLING CAUTIONS HANDLING CAUTIONS This chapter provides important information on how to handle the transmitter Read this carefully before using the transmitter EJX Series transmitters are thoroughly tested at the factory before shipment When taking delivery of an instrument visually check them to make sure that no damage occurred during shipment Also check that all transmitter mounting hardware shown in figure 2 1 is included If the transmitter is ordered without the mounting bracket the transmitter mounting hardware will not be included After check ing the transmitter carefully repack it in its box and keep it there until you are ready to install it Ai Pa E D Transmitter a e mounting bolt N A Jo a Ze Max Z A U bolt Be Ss e Ke U bolt nut Mounting bracket FO201 EPS Figure 2 1 Transmitter Mounting Hardware 2 1 Model and Specifications
53. ble metal conduit Apply a non hardening sealant to the threads of these fittings for waterproofing Flameproof heavy gauge steel conduit Tee Seal fitting en wiring impregnate the fitting with a compound to seal tubing FO510 EPS Drain plug Figure 5 10 Typical Wiring Using Flameproof Metal Conduit 5 WIRING 5 5 Grounding Grounding is always required for the proper operation of transmitters Follow the domestic electrical require ments as regulated in each country For a transmitter with a built in 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 Ground terminal inside Ground terminal outside F0511 EPS Figure 5 11 Ground Terminals 5 6 Power Supply Voltage and Load Resistance When configuring the loop make sure that the external load resistance is within the range in the figure below Note In case of an intrinsically safe transmitter external load resistance includes safety barrier resistance 600 External Communication load applicable range resistance BRAIN and HART R Q 250 a 0 10 5 16 6 25 2 42 Power supply voltage E V DC F0512 EPS Figure 5 12 Relationship between Power Supply Voltage and External Load Resistance IM 01C25H01 01E 6 OPERATION 6 OPERATION 6 1 Preparation for Starting Op eration T
54. communication manual to take actions Are power NO supply voltage and load resistance correct YES Refer to Section 5 6 to obtain the rated voltage and load resistance YES Is external noise contained in the output NO Avoid noise by providing complete grounding or using shielded wires Does the ambient temperature significantly YES differ between the high and low pressure side capillaries N Bind capillaries together as far as O possible or provide lagging Are excess NO capillaries secured YES Secure them so that they are not moved by wind or vibration Is transmitter installed where there is YES marked variation in temperature Provide lagging and or heat insulation or allow adequate ventilation Were appropriate NO instruments used for calibration Refer to Section 7 2 when selecting instruments for calibration NO Is output adjusted correctly Adjust the output Contact Yokogawa service personnel F0707 EPS 7 6 IM 01C25H01 01E 7 MAINTENANCE 7 5 3 Alarms and Countermeasures Table 7 3 Alarm Message Summary during Error AL 01 Sensor problem CAP ERR Outputs the signal Hold Replace capsule when error High or Low set with keeps appearing even parameter after restart AL 02 Outputs the signal Hold Replace amplifier AMP ERR NEE es AL 10 Input is outside measurement range lim
55. d calibration range NO Serial number and year of production YOKOGAWA TOKYO 180 8750 JAPAN The manufacturer name and the ad dress 1 The first digit in the final three numbers of the serial number appearing after NO on the name plate indicates the year of production The follow ing is an example of a serial number for a product that was produced m 2004 12A819857 432 The year 2004 2 180 8750 is the postal code for the following address 2 9 32 Nakacho Musashino shi Tokyo Japan IM 01C25H01 01E 2 9 4 IECEx Certification Model EJX Series pressure transmitters with optional code SU2 can be selected the type of protection IECEx Intrinsically Safe type n or flameproof 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 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 Note 2 a IECEx Intrinsically Safe Type type n Caution for IECEx Intrinsically safe and type n Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code SU2 are applicable for use in hazardous locations e No IECEx CSA 05 0005 e
56. d representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutual Intrinsically safe and Nonincendive Approval 2 HANDLING CAUTIONS Intrinsically Safe Hazardous Location lt Nonhazardous Location I Class Il Ill Division 1 i Groups A B C D E F G Class 1 Zone 0 in I Hazardous Classified i i Locations AEx ia IIC General EJX Series Pressure Purpose Transmitters Safety Barrier Equipment Le l I F0203 1 EPS Nonincendive Hazardous Location lt Nonhazardous Location I Class I Il Division 2 I Groups A B C D F G i Class Ill Division 1 I Class 1 Zone 2 Group IIC in Hazardous Classified I S Locations General EJX Series Pressure I Purpose Transmitters Equipment LO eA l l Not Use l F0203 2 EPS b FM Explosionproof Type Caution for FM explosionproof type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code FF1 are applicable for use in hazardous locations e Applicable Standard FM3600 FM3615 FM3810 ANSI NEMA 250 e Explosionproof for Class I Division 1 Groups B C and D e Dust ignitionproof for Class II III Division 1 Groups E F and G e Enclosure rating NEMA 4X e Temperature Class T6 e Ambient Temperature 40 to 60 C e Supply Voltage 42 V dc max e Output signal 4 to 20 mA Note 2 Wiring s All wiring shall comply with National Electrical Code ANSI NFPA70 a
57. e two covers are locked each by an Allen head bolt shrouding bolt When a shrouding bolt is driven clockwise by an Allen wrench it is going in and cover lock is released and then the cover can be opened When a cover is closed it should be locked by a shrouding bolt without fail Tighten the shroud ing bolt to a torque of 0 7 N m 7 kgf cm T0702 EPS Shrouding Bolt Shrouding Bolt F0702 EPS Figure 7 2 Shrouding Bolts 7 MAINTENANCE 7 4 1 Replacing the Integral Indicator J CAUTION Cautions for Flameproof Type Transmitters Users are prohibited by law from modifying the construction of a flameproof type transmitter This would invalidate the agency approval for the use of the transmitter in a rated area lt follows that the user is prohibited from using a flameproof type transmitter with its integral indicator removed or from adding an integral indicator to a transmitter If such modification is absolutely required contact Yokogawa This subsection describes the procedure for replacing an integral indicator See figure 7 3 E Removing the Integral Indicator 1 Remove the cover 2 While supporting the integral indicator with one hand loosen its two mounting screws 3 Dismount the 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 E Attaching the Integral Indicator
58. er locking the covers confirm that they are secure and cannot be opened by hand e Tighten the zero adjustment cover mounting screw to secure the cover 6 4 Shutting Down Operation Turn off the power AN NOTE Whenever shutting down the transmitter for a long period detach the transmitter diaphragm seals from the tank 6 OPERATION 6 5 Venting or Draining Transmit ter Process Detector Section If condensate or gas collects in the transmitter process detector section the measured pressure may be in error If it is not possible to configure the piping for self draining or self venting operation you will need to loosen the drain vent screw on the flushing connection ring to completely drain vent any stag nated liquid gas However since draining condensate or bleeding off gas gives the pressure measurement disturbance this should not be done when the loop is in operation A WARNING Since the accumulated liquid or gas may be toxic or otherwise harmful take appropriate care to avoid contact with the body or inhalation of vapors 6 5 1 Draining Condensate for Flushing Connection Ring 1 Gradually open the drain screw to drain from the flushing connection ring 2 When the flushing connection ring is completely drained close the drain screw 3 Tighten the drain screw to a torque of 10 N m 1 kgfm When you loosen the drain screw the accumulated liquid or gas will be expelled in the directi
59. fix codes of transmitter body section and then continue on one of the diaphragm seal section EJX118A rr RS Casen OO CC Transmitter body section Il Diaphragm seal section E 4 4 II CS le Sec e e du A Flush type SAAS Flange size 80A 50A See Page 8 6 See Page 8 4 See Page 8 5 Flange size 40A see See Page 8 7 Extended type e e e See Page 8 8 Combination type e e e See Page 8 9 F0804 EPS EJX118A I Transmitter body section EJX118A FT TU TT CT F0805 EPS Suffix codes EJX118A REESEN Diaphragm sealed differential pressure transmitter Output signal 4 to 20 mA DC with digital communication BRAIN protocol 4 to 20 mA DC with digital communication HART protocol Digital communication FOUNDATION Fieldbus protocol Measurement span 2to100kPa 8 to 400 inH20 capsule 10 to 500 kPa 40 to 2000 inH20 Always C ASTM B7M carbon steel 316SST ISO A4 70 stainless steel ASTM grade660 stainless steel Horizontal piping type and left side high pressure Cast aluminum alloy ASTM CF 8M stainless steel Electrical connection G 1 2 female one electrical connection without blind plugs 1 2 NPT female two electrical connections without blind plugs M20 female two electrical connections without blind plugs G 1 2 female two electrical connections with a blind plug 1 2 NPT female two electrical connections with a blind plug M20 female two electrical connections with a blind plug In
60. he Integral Indicator ccccceeeceeeeeeeeeeeeeeeeeeeeeeeeeees 7 3 7 4 2 Replacing the CPU Board Assembly nnsnnneennnseeernnrnenssrnrrrenn 7 4 LS THOUDICSMOOIING ce ee 7 5 7 5 1 Basic Troubleshooting WEE 7 5 7 5 2 Troubleshooting Flowcharts c cccccceessseeceecseeeeeeeseeeeeseeeseeeeeas 7 5 7 5 3 Alarms and Countermeasures cccseceeeececeeseeeeeeeesaeeeeeeeeeeaaaees 7 7 8 GENERAL SPECIFICATIONS 0 ccssecesecssscenscensccnsecnseecnecnsccnssonsecnsecnes 8 1 8 1 Standard SpecificatiONs casks 8 1 82 MODEL AND SUFFIX CODES eege 8 5 8 3 OPTIONAL SPECIFICATIONS For Explosion Protected type 8 11 84 DIMENSIONS versie dejcteetated ele naivari ree a 8 14 FE VISION RECORD BE When using the EJX in a Safety Instrumented Systems SIS application refer to Appendix A in either IM 01C25T01 01E for the HART protocol or IM 01C25T03 01E for the BRAIN protocol ij IM 01C25H01 01E 1 INTRODUCTION 1 INTRODUCTION Thank you for purchasing the DPharp EJX Differential Pressure and pressure transmitter Your EJX Pressure Transmitter was precisely cali brated at the factory before shipment To ensure both safety and efficiency please read this manual carefully before you operate the instrument AN NOTE This manual describes the hardware configura tions of EJX series transmitters For information on the software configuration and operation please refer to either IM
61. his section describes the operation procedure for the EJX118A as shown in Figure 6 1 when measuring liquid level in a closed tank and EJX438A as shown in Figure 6 2 when measuring pressure in a tank a Confirm that there is no leak in the connecting part of each diaphragm seal mounting flange b Turn ON power and connect the communicator Open the terminal box cover and connect the communicator to the SUPPLY and terminals c Using the communicator confirm that the transmit ter is operating properly Check parameter values or change the setpoints as necessary See IM 01C25T03 01E BRAIN communication or IM 01C25T0O1 O1E HART communication for communicator operation If the transmitter is equipped with an integral indicator its indication can be used to confirm that the transmitter is operating properly Diaphragm seal low pressure side Closed tank Diaphragm seal high pressure side Capillary tube Differential pressure transmitter Transmitter mounting pipe 50mm 2 inches SE Figure 6 1 Liquid Level Measurement in a Closed Tank Diaphragm seal high pressure side Capillary tube pressure transmitter Transmitter mounting pipe 50mm 2 inches F0602 EPS Figure 6 2 Pressure Measurement E Confirming that Transmitter is Operating Properly Using the BT200 s If the wiring system is faulty communication error appears on the display s If the transmitter is faulty
62. ic increas 3 1 IM 01C25H01 01E 4 INSTALLATION 4 INSTALLATION 4 1 Precautions W Before installing the transmitter read the cautionary notes in Section 2 4 Selecting the Installation Location For additional information on the ambient conditions allowed at the installation location refer to Subsection 8 1 Standard Specifi cations A IMPORTANT e When welding piping during construction take care not to allow welding currents to flow through the transmitter e Do not step on this instrument after installa tion e For the EJX438A there is a small hole in the low pressure side cover flange that is used to measure the atmospheric pressure The hole must not face upward See section 8 4 Dimensions for the location of the hole e Never loosen the four bolts securing the cover flanges Refer to figure 3 2 If the seal liquid leaks the transmitter cannot be used 4 2 Mounting the Diaphragm Seals Mount the diaphragm seals using the flanges as shown in Figure 4 1 Figure 4 2 shows how to mount the diaphragm seals on a tank The mating flange gasket bolts and nuts are to be procured by the customer Flange Nut Diaphragm Gasket The product is shipped with these parts assembled Correctly install the diaphragm seals on the high and low pressure sides of the process The label on each diaphragm seal is marked HIGH or LOW F0401 EPS Figure 4 1 Mounting the Diaphragm Seals
63. ing treatment for the wetted parts is required specify option code K1 or K5 6 In case of wetted parts material code HW Hastelloy C TW Tantalum and UW Titanuym for 2 inch pressure flange specify capillary length from 1 to 5 m 7 Flushing connection ring code 1 2 A or B cannot be applied 8 Not applicable for gasket contact surface code 1 0 Hastelloy C 276 or N10276 The marks indicate the construction materials conform to NACE material recommendations per MRO1 75 For the use of 316 SST material there may be certain limitations for pressure and temperature Please refer to NACE standards for details 8 7 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS ll Diaphragm seal section Flush type Process connection size 1 1 2 inch 40 mm SS CLL C1 WE s SE E Sufix codes e Deeg e EJX118A Transmitter body section I EJX438A Process connection style Flush type Flange rating JIS 10K JIS 20K JIS 40K ANSI class 150 ANSI class 300 ANSI class 600 JPI class 150 JPI class 300 JPI class 600 Process connection size 1 1 2 inch 40 mm Process flange size Flange material JIS S25C JIS SUS304 JIS SUS316 Gasket contact surface Serration for ANSI flange only Flat no serration Diaphragm Others JIS SUS316L JIS SUS316L Flushing connection ring 2 Ring Drain Vent plugs Material Reducer type R 1 4 connections 4 JIS SUS316 Reducer type 1 4 NPT connections JIS SUS316 Reducer type R 1 4 connections
64. instrument a hazard to operate N WARNING Maintaining the safety of explosionproof equip ment requires great care during mounting wiring and piping Safety requirements also place restrictions on maintenance and repair Please read the following sections very carefully J WARNING The range setting switch must not be used ina hazardous area 2 9 1 FM Approval a FM Intrinsically Safe Type Caution for FM intrinsically safe type Following contents refer DOC No IFM022 A12 Note 1 Model EJX Series Differential gauge and absolute pressure transmitters with optional code FS1 are applicable for use in hazardous locations e Applicable Standard FM3600 FM3610 FM3611 FM3810 e Intrinsically Safe for Class I Division 1 Groups A B C amp D Class II Division 1 Groups E F amp G and Class III Division 1 Class I Zone Om Hazardous Locations AEx ia IHC e Nonincendive for Class I Division 2 Groups A B C amp D Class II Division 2 Groups F amp G and Class HI Division 1 Class I Zone 2 Groups HC in Hazardous Locations e Outdoor hazardous locations NEMA 4X e Temperature Class T4 e Ambient temperature 60 to 60 C 2 3 IM 01C25H01 01E Note 2 Entity Parameters e Intrinsically Safe Apparatus Parameters Groups A B C D E F and G Vmax 30 V Ci 6 nF Imax 200 mA Li 0 uH Pmax 1 W Associated Apparatus Parameters FM approved barriers Voc lt 30 V Ca gt 6 nF Isc lt
65. it Receiver instrument Safety barrier F0507 EPS Figure 5 7 Connection between Transmitter and Distributor 5 4 2 Wiring Installation 1 General use Type and Intrinsically Safe Type With the cable wiring use a 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 sealant to the threads for Wiring metal waterproofing conduit Tee Drain plug F0508 EPS Figure 5 8 Typical Wiring Using Flexible Metal Conduit IM 01C25H01 01E 2 Flameproof Type Wire cables through a flameproof packing adapter or use a flameproof metal conduit MWiring 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 Wiring metal Apply a non hardening conduit sealant to the threads for waterproofing Tee Drain plug FO509 EPS Figure 5 9 Typical Cable Wiring Using Flameproof Packing Adapter WFlameproof 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 Gas sealing device Flameproof flexi
66. it Outputs high range limit Check input or replace PRESS of capsule value or low range limit value capsule when necessary AL 11 Static pressure exceeds limit Continues to operate and ST PRSS output AL 12 Capsule temperature is outside range Use heat insulation or CAP TMP 50 to 130 C make lagging to keep AL 13 Amplifier temperature is outside range temperature within AMP TMP 50 to 95 C range AL 30 Output is outside upper or lower range limit Outputs high range limit Check input and range RANGE value value or low range limit value setting and change AL 31 Static pressure exceeds specified range Holds output immediately them as needed SP RNG before error occurred AL 35 1 Input pressure exceeds specified threshold Continues to operate and Check input P HI output AL 26 P LO AL 37 1 Input static pressure exceeds specified SP HI threshold AL 38 1 SP LO AL 39 1 Detected temperature exceeds specified TMP HI threshold AL 40 1 TMP LO AL 50 Specified value is outside of setting range Holds output immediately Check setting and change P LRV before error occurred them as needed AL 51 P URV AL 52 P SPN AL 53 P ADJ AL 54 SP RNG output holding static them as needed pressure in AL 55 Continues to operate and Check input SP ADJ output AL 60 Specified values or settings to define signal Check setting and change SC CFG characterizer function do not s
67. ive Transmitters Supply O Not Use Safety Barrier F0204 2 EPS b CSA Explosionproof Type Caution for CSA explosionproof type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code CF1 are applicable for use in hazardous locations Certificate 1589701 For CSA C22 2 e Applicable Standard C22 2 No 0 C22 2 No 0 4 C22 2 No 0 5 C22 2 No 25 C22 2 No 30 C22 2 No 94 C22 2 No 61010 1 01 e Explosion proof for Class I Groups B C and D e Dustignition proof for Class H M Groups E F and G e Enclosure TYPE 4X e Temperature Code T6 T4 For CSA E60079 e Applicable Standard CAN CSA E60079 0 CAN CSA E60079 1 e Flameproof for Zone 1 Ex d IHC T6 T4 e Enclosure P66 and IP67 e Maximum Process Temperature 120 C T4 100 C T5 85 C T6 e Ambient Temperature 50 to 75 C T4 50 to 80 C T5 50 to 70 C T6 e Supply Voltage 42 V dc max e Output Signal 4 to 20 mA dc 2 HANDLING CAUTIONS Note 2 Wiring For CSA C22 2 e All wiring shall comply with Canadian Electrical Code Part I and Local Electrical Codes e In hazardous location wiring shall be in conduit as shown in the figure e WARNING A SEAL SHALL BE INSTALLED WITHIN 50cm OF THE ENCLOSURE UN SCELLEMENT DOIT ETRE INSTALLE A MOINS DE 50cm DU BOITIER e WARNING WHEN INSTALLED IN CL I DIV 2 SEAL NOT REQUIRED UNE FOIS INSTALLE DANS CL I DIV 2 AUCUN JOIN
68. lead to system failure AN NOTE Draws attention to information essential for understanding the operation and features Direct current 1 INTRODUCTION 1 1 Safe Use of This Product For the safety of the operator and to protect the instrument and the system please be sure to follow this manual e safety instructions when handling this instrument If these instructions are not heeded the protection provided by this instrument may be im paired In this case Yokogawa cannot guarantee that the instrument can be safely operated Please pay special attention to the following points a Installation e This instrument may only be installed by an engi neer or technician who has an expert knowledge of this device Operators are not allowed to carry out installation unless they meet this condition e With high process temperatures care must be taken not to burn yourself by touching the instrument or its casing e Never loosen the process connector nuts when the instrument is installed in a process This can lead to a sudden explosive release of process fluids e When draining condensate from the pressure detector section take appropriate precautions to prevent the inhalation of harmful vapors and the contact of toxic process fluids with the skin or eyes e When removing the instrument from a hazardous process avoid contact with the fluid and the interior of the meter e All installation shall comply with local installation
69. m the actual measured value of 0 Adjust the transmitter output to the actual measured value obtained by a digital manometer or a glass gauge IM 01C25H01 01E Example The measuring range of 50 to 250 kPa the actual measured value of 130 kPa 130 50 250 50 x 100 40 0 10 4mA Turn the screw to match the output signal to the actual Actual measured value measured value 6 3 Starting Operation After completing the zero point adjustment follow the procedures below to start operation 1 Confirm the operating status If the output signal exhibits wide fluctuations hunting due to periodic variation in the process pressure use the communi cator to dampen the transmitter output signal Confirm the hunting using a receiving instrument or the integral indicator and set the optimum damping time constant 2 After confirming the operating status perform the following A IMPORTANT e Remove the communicator from the terminal box and confirm that none of the terminal screws are loose e Close the terminal box cover and the amplifier cover Screw each cover in tightly until it will not turn further e There are two covers that must be locked on the ATEX Flameproof type transmitters An Allen head bolt shrouding bolt under the edge of each cover is used to lock the cover When the shrouding bolt is driven counterclockwise with an Allen wrench the bolt rotates upward and locks the cover See page 7 3 Aft
70. n T0810 EPS The sx marks indicate the most typical selection for each specification Example EJX118A DMS2G 912EN EA14B1SE04 BB25 L EJX438A DMS2G 912EN EA14B1SE03 BB25 H 1 See table 8 2 Gasket contact surface on page 8 3 2 Even in case where fill fluid code D fluorinated oil is selected if degrease cleansing treatment or both degrease cleansing and dehydrating treatment for the wetted parts is required specify option code K1 or K5 3 The specified capillary length includes the extension length X2 and the flange thickness t The marks indicate the construction materials conform to NACE material recommendations per MRO1 75 For the use of 316 SST material there may be certain limitations for pressure and temperature Please refer to NACE standards for details 8 9 IM 01C25H01 01E ll Diaphragm seal section Combination type 8 GENERAL SPECIFICATIONS Process connection size Low pressure side 4 inch 100 mm Extended type EJX118A ITIT IIIT Y EE v E oe High pressue side 3 inch 80 mm Flush type F0810 EPS Si ode Enea CLE Process connection Flange rating Process connection size Process flange size Flange material Gasket contact surface Wetted parts material Transmitter body section l Combination type Extended and Flush JIS 10K JIS 20K ANSI class 150 ANSI class 300 JPI class 150 JPI class 300 DIN PN10 16 DIN PN25 40 High pressure side
71. n Note 5 Maintenance and Repair e The instrument modification or part replacement by other than an authorized representative of Yokogawa Electric Corporation is prohibited and will void KEMA Flameproof Certification c CENELEC ATEX KEMA Intrinsically Safe Type CENELEC ATEX KEMA Flameproof Type CENELEC ATEX Type n Model EJX Series differential gauge and absolute pressure transmitters with optional code KU2 can be selected the type of protec tion 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 cannot be used The installation must be in accordance with the description about the type of protection in this users manual 2 HANDLING CAUTIONS 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 CENELEC ATEX Type of Protection n e Applicable Standard EN 60079 15 2003 e Referential Standard IEC60079 0 1998 IEC60079 11 1999 e Type of Protection and Marking Code EEx nL IIC T4 e Temperature Class T4 e Enclosure IP66 and IP67 e Process Temperature 120 C max e Ambient Temperature 50 to 60 C Note 1 Electrical Data Ui 30 V Effective internal capacitance Ci 10 nF Effective internal inductance Li 0 mH Note 2 In
72. n psi unit Calibration units 3 bar calibration bar unit eee Geen ane M calibration kgf cm unit N Diaphragm protection from sticky process fluid by FEP Teflon film attached with Teflon film 2 8 fluorinated oil Operation range 20 to 150 C 0 to 2 MPa Not applicable for vacuum service Operating temperature correction 3 Adjusting range 80 C to Maximum temperature of specified fill fluid Capillary without PVC sheaths When ambient temperature exceeds 100 C or use of PVC is prohibited Failure alarm down scale Output status at CPU failure and hardware error is 5 3 2 mA DC or less Output limits Failure alarm down scale Output status at CPU and failure operation 7 NEUE erg Compliant failure and hardware error is 5 3 2 mA DC or less Output signal limits 3 8 mA to 20 5 mA Failure alarm up scale Output status at CPU l failure and hardware error is 110 21 6 mA or more Gold vlate 6 Inside of isolating diaphragms fill fluid side are gold plated effective for hydrogen EE permeation Stainless steel tag plate 304SST tag plate wired onto transmitter N4 i Data configuration for HART communication type Software damping Descriptor Message Data configuration at factory 7 TES Data configuration for BRAIN communication type Software damping T0813 EPS C1 Wi 1 Not applicable with color change option 2 Applicable for flush type process connection style code W 3
73. n re mounting the ring use the new spiral gasket as shown in below table Table 4 1 Spiral Gasket for Pressure Detector Section Side F9970XD O 0xO90xt4 5 For 2 inch flange F9346ZH 60XO75xt4 5 For 1 1 2 inch flange F9970XB 60xX 75xt4 5 For 1 1 2 inch flange T0401 EPS Material 316SST Hoop PTFE Teflon Filler For oil prohibited use Option code K K2 K5 K6 4 4 IM 01C25H01 01E 4 5 Affixing the Teflon Film The FEP Teflon option includes a teflon film and fluorinated oil Before mounting the diaphragm seal to the process flange affix the teflon film as follows A IMPORTANT 1 Position the diaphragm seal so that the diaphragm is in a upward position 2 Pour the fluorinated oil on the diaphragm and gasket area covering it completely and evenly Be careful not to scratch the dia phragm or change the its shape 3 Affix the teflon film over the diaphragm and gasket area 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 optimum performance If air pockets are present use your fingers to remove the air by starting at the center of the diaphragm and work your way out 5 Position the gasket on the Teflon film 6 Mount the transmitter onto the process flange 4 kb Teflon film PART E Process flange size Process flange size size F9347XA For 3inch 80 mm 3inch 80
74. nch 6 When option code K1 or K5 is selected add 11 mm 0 28 inch Combination type 7 The specified capillary length includes the extension length X2 and the flange thickness t Extension length X2 ue EE 16015 99 Capillary length Capillary length High pressure side Low pressure side F0813 EPS 8 15 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS Unit mm Approx inch Process flange size 4 inch 100 mm pal remen o e fo fw eee Te Se J31 uiS10K 210 8 27 175 6 89 155 6 10 18 0 71 o0 8 190 75 9640 5 3 78 0 02 225 8 86 185 7 28 155 6 10 24 0 94 o0 8 230091 9620 5 3 7840 02 205 8 07 155 6 10 36 1 42 0 8 2500 98 _ 9620 5 3 7820 02 A1 ANSI class 150 228 6 9 00 190 5 7 50 155 6 10 23 9 0 94 1 6 0 06 8 19 1 0 75 _ 9640 5 3 78 0 02 A2 ANSI class 300 1254 10 00 200 2 7 88 155 6 10 91 8 1 28 1 6 0 06 8 224088 96205 0 7820 00 Pi JPI class 150 20 0 08 190 5 7 50 156 6 10 Lang Deels 10075 Iesse 200 2 788 155 6 10 s2025 1 6 008 8 2208 9610 5 7810 02 D2 DIN PNYOTTE 220 8 6 180 709 155 610 2007 o e tom Iess Da DIN PNa2s 40 235 9 26 190 7 48 155 610 Ian o 8 22087 e605 0
75. nd Local Electrical Codes e When installed in Division 1 FACTORY SEALED CONDUIT SEAL NOT REQUIRED Note 3 Operation s Keep the WARNING nameplate attached to the transmitter IM 01C25H01 01E WARNING OPEN CIRCUIT BEFORE REMOV ING COVER FACTORY SEALED CONDUIT SEAL NOT REQUIRED INSTALL IN ACCOR DANCE WITH THE USERS MANUAL IM 01C25 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 Factory Mutual Explosionproof Approval c FM Intrinsically Safe Type FM Explosionproof Type Model EJX 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 9 2 CSA Certification a CSA Intrinsically Safe Type Caution for CSA Intrinsically
76. nge LRV to 0 and URV to 50 kPa 1 Connect the transmitter and apparatus as shown in Figure 7 1 and warm it up for at least five minutes 2 Press the range setting push button The integral indicator then displays LRV SET 3 Apply a pressure of 0 kPa atmospheric pressure to the transmitter 4 Turn the external zero adjustment screw in the desired direction The integral indicator displays the output signal in A 5 Adjust the output signal to 0 1 V DC by rotating the external zero adjustment screw Doing so completes the LRV setting 6 OPERATION 6 Press the range setting push button The integral indicator then displays URV SET 7 Apply a pressure of 50 kPa to the transmitter 8 Turn the external zero adjustment screw in the desired direction The integral indicator displays the output signal in M 9 Adjust the output signal to 100 5 V DC by rotating the external zero adjustment screw Doing so completes the URV setting 10 Press the range setting push button The transmitter then switches back to the normal operation mode with the measurement range of 0 to 50 kPa Note 1 Wait until the pressure inside the pressure detector section has stabilized before proceeding to the next step Note 2 If the pressure applied to the transmitter exceeds the previous LRV or URV the integral indicator may display error number AL 30 In this case the output signal percent and
77. nt was purchased or the nearest Yokogawa office Model MT220 precision digital manometer If a pressure source and a manometer are combined Mating calibration flange Pressure source High pressure side diaphragm seal E P pee Supply pressure Model 7674 pneumatic Rees pressure standards ART generator is used Low pressure side diaphragm seal Power supply E Load adjustment resistance 100Q Digital voltmeter FO701 EPS Figure 7 1 Instrument Connections 7 2 IM 01C25H01 01E 7 4 Disassembly and Reassembly This section describes procedures for disassembly and reassembly for maintenance and component replace ment Always turn OFF power and shut off and release pressures before disassembly Use proper tools for all operations Table 7 2 shows the tools required Table 7 2 Tools for Disassembly and Reassembly Phillips screwdriver JIS B4633 No 2 Slotted screwdriver JIS B4648 One each nominal 3 4 and 2 5mm Allen wrenches Allen wrenches Wrench Torque wrench Width across flats 17 mm Adjustable wrench Socket wrench Width across flats 16 mm Socket driver Width across flats 5 5 mm Tweezers A CAUTION Precautions for ATEX Flameproof Type Transmitters e Flameproof type transmitters must be as a rule removed to a non hazardous area for maintenance and be disassembled and reas sembled to the original state e On the flameproof type transmitters th
78. on of the arrow r Ss Drain screw U FO606 EPS Figure 6 3 Draining for Flushing Connection Ring 6 5 2 Venting Gas for Flushing Connec tion Ring 1 Gradually open the vent screw to vent gas from the flushing connection ring 2 When the flushing connection ring is completely vented close the vent screw 3 Tighten the vent screw to a torque of 10 N m 1 kgf m IM 01C25H01 01E Vent screw When you loosen the vent screw the accumulated liquid or drain will be expelled in the direction of the arrow TOV l C i AL E FO607 EPS Figure 6 4 Venting for Flushing Connection Ring 6 6 Setting the Range Using the Range setting Switch rN WARNING The range setting switch must not be used in the hazardous area When it is necessary to use the switch operate it in a non hazardous location When pressure is applied to the transmitter the low and high limit values for the measurement range LRV and URV can be changed re ranged using the range setting switch push button located on the optional integral indicator plate and the external zero adjustment screw This procedure does not require use of the communicator However changes in the scale range and engineering unit display settings for the integral indicator require use of the communicator Follow the procedure below to change the LRV and URV settings Example Rera
79. ons However to ensure that it will provide years of stable and accurate performance take the following precautions when selecting the installation location a Ambient Temperature Avoid locations subject to wide temperature variations or a significant temperature gradient If the location is exposed to radiant heat from plant equipment provide adequate thermal insulation and or ventilation b Ambient Atmosphere Do not install the transmitter in a corrosive atmo sphere If this cannot be avoided there must be adequate ventilation as well as measures to prevent the leaking of rain water and the presence of standing water in the conduits c Shock and Vibration Although the transmitter is designed to be relatively resistant to shock and vibration an installation site should be selected where this is kept to a minimum d Installation of Explosion protected Transmitters An explosion protected transmitter is certified for installation in a hazardous area containing specific gas types See subsection 2 9 Installation of an Explosion Protected Transmitters 2 5 Pressure Connection A CAUTION e Never loosen the process flange bolts when an instrument is installed in a process The device is under pressure and a loss of seal can result in a sudden and uncontrolled release of pro cess fluid e Since the accumulated process fluid may be toxic or otherwise harmful take appropriate steps to prevent the contact of such
80. oor 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 1 INTRODUCTION GS Kaikkien ATEX Ex tyyppisten tuotteiden k ytt hjeet ovat saatavilla englannin saksan ja ranskankielisina Mik li tarvitsette Ex tyyppisten tuotteiden ohjeita omalla paikallisella kielell nnne ottakaa yhteytt l himp n Yokogawa toimistoon tai edustajaan C gt Todos os manuais de instru 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 C gt 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 Co Alle Betriebsanleitungen fiir ATEX Ex bezogene Produkte stehen in den Sprachen Englisch Deutsch und Franz sisch zur Verf gung Sollten Sie die Betriebsanleitungen fiir Ex Produkte in Ihrer Landessprache ben tigen setzen Sie sich bitte mit Ihrem rtlichen Yokogawa Vertreter in Ver
81. ould be installed at least 600 mm below the high pressure HP process connection to ensure a positive head pressure of fill fluid Pay special attention to vacuum applica tions If it can not be installed at least 600 mm below the HP process connection please use BEEN the equation below i P P0 xdHg ds h x7 5X10 3 mm h Vertical height between the HP process connection and the transmitter mm h lt 0 Install the transmitter at least h mm below the HP process connection F0404 EPS h gt 0 Install the transmitter at most h mm Figure 4 4 Example of Installation to Tank above the HP process connection for Differential Pressure Transmitter P Pressure in the tank Pa abs Caution on Installation PO Minimum working pressure limit of the transmitter Pa abs If the ambient temperature range is 10 to 50 C 2951 Wetted parts material code SW SE and SY 3185 Wetted parts material code TW 4573 Wetted parts material code HW 3810 Wetted parts material code UW ds Specific gravity of fill fluid at 25 C refer to table 8 1 on section 8 1 Standard Specifi cations dHg Specific gravity of the Mercury 13 6 at 25 C F0405 EPS Figure 4 5 Example of Installation to Tank for Gauge Pressure Transmitter Caution on Installation 4 3 IM 01C25H01 01E 4 4 Mounting the Flushing Con nection Ring 4 4 1 Mounting to Pressure Detector Section The flushing connection ring is mounted to the
82. rm such tests more frequently than is absolutely necessary Even test voltages that do not cause visible damage to the insulation may degrade the insulation and reduce safety margins b Never apply a voltage exceeding 500 V DC 100 V DC with an internal lightning protector for the insulation resistance test nor a voltage exceeding 500 V AC 100 V AC with an internal lightning protector for the dielectric strength test c Before conducting these tests disconnect all signal lines from the transmitter terminals The procedure for conducting these tests is as follows e Insulation Resistance Test 1 Short circuit the and SUPPLY terminals in the terminal box 2 Turn OFF the insulation tester Then connect the insulation tester plus lead wire to the shorted SUPPLY terminals and the minus leadwire to the grounding terminal 9 9 IM 01C25H01 01E 3 Turn ON the insulation tester power and measure the insulation resistance The voltage should be applied as briefly as possible to verify that the insulation resistance is at least 20 MQ 4 After completing the test and being very careful not to touch exposed conductors disconnect the insulation tester and connect a 100 kQ resistor between the grounding terminal and the short circuiting SUPPLY terminals Leave this resistor connected at least one second to discharge any static potential Do not touch the terminals while it is discharging e Dielectric Strength Test 1
83. rotection tube JIS SUS304 PVC sheathed Max operating temperature of PVC 100 C 212 F Fill fluid See table 8 1 Weight EJX118A Flush type 16 1 kg 35 5 Ibs 3 inch ANSI Class150 flange capillary length 5 m without integral indicator and mounting bracket Extended type 21 7 kg 47 9 lbs 4 inch ANSI Class150 flange extention length X2 100 mm capillary length 5 m without integral indicator and mounting bracket Combination type 18 9 kg 41 7 Ibs 4 inch and 3 inch ANSI Class150 flange extention length X2 100 mm capillary length 5 m without integral indicator and mounting bracket EJX438A Flush type 7 1 kg 15 7 Ibs 3 inch ANSI Class150 flange capillary length 5 m without integral indicator and mounting bracket Extended type 12 2 kg 26 9 lbs 4 inch ANSI Class150 flange extention length X2 100 mm capillary length 5 m without integral indicator and mounting bracket Add 1 5 kg 3 31b for amplifier housing code 2 8 4 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS 8 2 MODEL AND SUFFIX CODES Instruction The model and suffix codes for EJX118A and EJX438A consist of two parts a transmitter body section I and a diaphragm seal section II This specification sheet introduces these two parts separately The transmitter body section is shown in one table and the diaphragm seal section specifications are listed according to the process connection style First select the model and suf
84. s at factory CA or CB option is required 8 GENERAL SPECIFICATIONS Terminal Wiring SUPPLY _ Power supply and output terminal External indicator ammeter terminal or Status contact output terminal 2 when AL is specified Ground terminal 1 When using an external indicator or check meter the internal resistance must be 10 Q or less A check meter or indicator cannot be connected when AL option is specified 2 Not available for fieldbus communication type F0814 EPS 8 17 IM 01C25H01 01E REVISION RECORD Title EJX118A and EJX438A Diaphragm Sealed Differential Pressure and Pressure Transmitters Manual No IM 01C25H01 01E Feb 2005 Add 2 9 2 CSA Certification 9 Delete WARNING on non incendive power supply 6 8 Correct Description Re 1 4 gt R 1 4 Add codes for CSA approval July 2006 2 3 Add note for Fieldbus communication 2 3 through 2 9 Add change applicable standards 2 6 9 Add descriptions for Note 2 2 9 Add 2 9 4 IECEx Certification 2 10 Change reference number for Australian standard 2 11 Add descriptions for European Pressure Equipment Directive Add 2 12 Low Voltage Directive Add 5 in Table 8 1 Add descriptions for stainless housing Add amplfier housing code 2 Add code of SU2 Add note for amplifier housing code 2 Add description for 5 IM 01C25H01 01E
85. s with a blind plug M20 female two electrical connections with a blind plug Integral Indicator Digital indicator Digital indicator with the range setting switch 2 None Ze Mounting braket ee 304 SST 2 inch pipe mounting flat type for horizontal piping X None Diaphragm seal section TTT TT LI Continued on diaphragm seal section I T0807 EPS The sx marks indicate the most typical selection for each specification 1 When specified process connection style code E maximum range and span are 7 MPa 1000 psi 2 Not applicable for output signal code F 3 Not applicable for electrical connection code 0 8 6 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS ll Diaphragm seal section Flush type Process connection size 3 inch 80 mm 2 inch 50 mm EJX118A 3 _ Eyxagga N CIT WE 5 UAT E F0807 EPS Sufix codes OO EJX118A Process connection style Flange rating Transmitter body section I lOClO OO 0001 OO Of EJX118A LOO CHO Clo COCO 0 0 0 O 0 O EJX438A Flush type JIS 10K JIS 20K JIS 40K JIS 63K ANSI class 150 JPI class 150 ANSI class 300 JPI class 300 ANSI class 600 JPI class 600 DIN PN10 16 DIN PN25 40 DIN PN64 3 inch 80 mm 2 inch 50 mm JIS S25C JIS SUS304 Flange material JIS SUS316 Gasket contact surface Serration for ANSI flange with wetted parts material SW only Flat no serration Wetted parts material Diaphragm Others
86. safe type Following contents refer to DOC No ICSO13 A13 Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code CS1 are applicable for use in hazardous locations Certificate 1606623 For CSA C22 2 e Applicable Standard C22 2 No 0 C22 2 No 0 4 C22 2 No 25 C22 2 No 94 C22 2 No 157 C22 2 No 213 C22 2 No 1010 1 e Intrinsically Safe for Class I Division 1 Groups A B C amp D Class I Division 1 Groups E F amp G Class II Division 1 e Nonincendive for Class I Division 2 Groups A B C amp D Class II Division 2 Groups E F amp G Class II Division 1 e Enclosure Type 4X 2 HANDLING CAUTIONS e Temp Code T4 e Amb Temp 50 to 60 C e Process Temperature 120 C max For CSA E60079 e Applicable Standard CAN CSA E60079 0 CAN CSA E60079 11 CAN CSA E60079 15 IEC 60529 2001 02 e Ex ia IIC T4 Ex nL UC T4 e Ambient Temperature 50 to 60 C e Max Process Temp 120 C e Enclosure P66 and IP67 Note 2 Entity Parameters e Intrinsically safe ratings are as follows Maximum Input Voltage Vmax U1 30 V Maximum Input Current Imax h 200 mA Maximum Input Power Pmax Pi 0 9 W Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 WH e Type n or Nonincendive ratings are as follows Maximum Input Voltage Vmax Ui1 30 V Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0
87. sistant to such substances e It is recommended that crimp on solderless terminal lugs for 4 mm screws with insulating sleeves be used for leadwire ends 5 1 5 3 Connections of External Wiring to Terminal Box 5 3 1 Power Supply Wiring Connection Connect the power supply wiring to the SUPPLY and terminals When AL is specified also refer to subsection 5 3 5 Transmitter terminal box Power supply F0501 EPS Figure 5 1 Power Supply Wiring Connection 5 3 2 External Indicator Connection Available only when AL is not specified Connect wiring for external indicators to the CHECK and terminals Note Use a external indicator whose internal resistance is 10 Q or less External indicator Power supply F0502 EPS Figure 5 2 External Indicator Connection 5 3 3 Communicator Connection Connect the BT200 or HART275 HHT to the SUPPLY and terminals Use hooks Transmitter terminal box Power supply Ignore the polarity Ah yi AE since the BT200 is N AC coupled to the terminal box F0503 EPS Figure 5 3 BT200 Connection IM 01C25H01 01E 5 3 4 Check Meter Connection Available only when AL is not specified Connect the check meter to the CHECK and terminals Use hooks e A 4 to 20 mA DC output signal from the CHECK and terminals Note Use a check meter whose internal resistance is 10 Q or less Transmitter terminal box Check meter Po
88. stallation 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 66an will void Type of Protection n Installation Diagram lt Nonhazardous Location Hazardous Location Zone 2 only Transmitter bo EEX nL rO Power Supply i i i i l F0205 EPS Ratings of the Power Supply as follows Maximum Voltage 30 V CENELEC ATEX Type of Protection Dust e Type of Protection and Marking Code II 1D e Maximum Surface Temperature T80 C Tamb 40 to 40 C Tp 80 C T100 C Tamb 40 to 60 C Tp 100 C T120 C Tamb 40 to 80 C Tp 120 C bo WARNING To satisfy IP66 or IP67 apply waterproof glands to the electrical connection port 2 8 IM 01C25H01 01E 2 Electrical Connection A mark indicating the electrical connection type is stamped near the electrical connection port These marks are as follows ISO M20X1 5 female ANSI 1 2 NPT female T0201 EPS Location of the mark F0206 EPS 3 Installation A WARNING e All wiring shall comply with local installation requirements and the local electrical code 4 Operation A WARNING e OPEN CIRCUIT BEFORE REMOVING COVER INSTALL IN ACCORDANCE WITH THIS USER S MANUA
89. te 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 10 EMC Conformity Standards EN61326 AS NZS CISPR11 A CAUTION To meet EMC regulations Yokogawa recom mends that customers run signal wiring through metal conduits or use shielded twisted pair cabling when installing EJX series transmitters in a plant 2 11 Pressure Equipment Directive PED 1 General e EJX series pressure transmitters are categorized as pressure accessories under the vessel section of directive 97 23 EC which corresponds to Article 3 Paragraph 3 of PED denoted as Sound Engineering Practice SEP 2 Technical Data Article 3 Paragraph 3 of PED denoted as Sound Engineering Practice SEP 2 HANDLING CAUTIONS 3 Operation IX CAUTION e The temperature and pressure of fluid should be maintained at levels that are consistent with normal operating conditions e The ambient temperature should be maintained at a level that is consistent with normal operating conditions e Please take care to prevent water hammer and the like from inducing excessive pressures in pipes and valves If phenomena are likely install a safety valve or take some other appropriate measure to prevent pressure from exceeding PS e Take appropriate measures at the device or system level to protect transmitters if they
90. tegral Indicator Digital indicator Digital indicator with the range setting switch None Ze Mounting braket REH 304 SST 2 inch pipe mounting flat type for horizontal piping eg None Diaphragm seal section TTT J LI Continued on diaphragm seal section I T0806 EPS The sx marks indicate the most typical selection for each specification 1 Not applicable for output signal code F 2 Not applicable for electrical connection code 0 8 5 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS EJX438A I Transmitter body section EJX438A DT PPT EI O_o TTT A F0806 EPS Suffix codes EJX438A eee ee Diaphragm sealed gauge pressure transmitter Output signal 4 to 20 mA DC with digital communication BRAIN protocol 4 to 20 mA DC with digital communication HART protocol naa Digital communication FOUNDATION Fieldbus protocol Measurement span 0 035 to 3 5 MPa 5 to 500 psi 0 16 to 16 MPa 23 to 2300 pel Reie T ASTM B7M carbon steel 316SST ISO A4 70 stainless steel ASTM grade660 stainless steel Horizontal piping type and left side high pressure Cast aluminum alloy ASTM CF 8M Stainless steel Electrical connection G 1 2 female one electrical connection without blind plugs 1 2 NPT female two electrical connections without blind plugs M20 female two electrical connections without blind plugs G 1 2 female two electrical connections with a blind plug 1 2 NPT female two electrical connection
91. terial there may be certain limitations for pressure and temperature Please refer to NACE standards for details 8 10 IM 01C25H01 01E 8 GENERAL SPECIFICATIONS 8 3 OPTIONAL SPECIFICATIONS For Explosion Protected type Factory Mutual FM CENELEC ATEX Canadian Standards Association CSA IECEx Scheme FM Explosionproof Approval 1 Explosionproof for Class Division 1 Groups B C and D Dust ignitionproof for Class II III Division 1 Groups E F and G Hazardous classified locations indoors and outdoors NEMA 4X FFI FM Intrinsically safe Approval 1 3 Intrinsically Safe for Class I Division 1 Groups A B C and D Class ll Division 1 Groups E F and G and Class Ill Division 1 Hazardous Locations Nonincendive for Class I Division 2 Groups A B C and D Class II Division 2 Groups F and G and Class Ill Division 1 Hazardous Locations Combined FF1 and FS1 1 3 CENELEC ATEX KEMA Flameproof Approval 1 II 2G EExd IIC T4 T5 T6 CENELEC ATEX KEMA Intrinsically safe Approval 1 3 Il 1G EEx ia IIC T4 Combined KF2 KS2 and Type n 1 3 Type n Il 3G EEx nL IIC T4 CSA Explosionproof Approval 2 For CSA C22 2 Explosionproof for Class l Division 1 Groups B C and D Dustignitionproof for Class II III Division 1 Groups E F and G For CSA E60079 Flameproof for Zone1 Ex d IIC T6 T4 Enclosure IP66 and IP67 CSA Intrinsically safe Approval 2 3 For CSA C22 2 Intrinsically safe for
92. tic function which will be useful in troubleshooting and the transmitter equipped with an integral indicator will show an alarm code as a result of self diagnosis See subsection 7 5 3 for the list of alarms See also each communication manual Areas where self diagnostic offers support Abnormalities appear in measurement YES Is process variable itself abnormal Inspect the NO y m process system easurement system problem Isolate problem in measurement system YES Does problem exist in receiving instrument l NO Inspect receiver Environmental conditions Transmitter itself e Check transmitter Operating conditions y e Check correct operating conditions Figure 7 4 Basic Flow and Self Diagnostics Check correct environmental conditions F0704 EPS 7 MAINTENANCE 7 5 2 Troubleshooting Flowcharts The following sorts of symptoms indicate that the transmitter may not be operating properly Example There is no output signal e Output signal does not change even though process variable is known to be varying e Output value is inconsistent with value inferred for process variable Connect communicator and check self diagnostics Does the self diagnostic YES indicate problem location NO Refer to error message summary in Subsection 7 5 3 or in each communication manual to take actions NO Is power supply polarity correct
93. tion C2 or C3 Failure Alarm Output status at CPU failure and hardware error Up scale 110 21 6 mA DC or more standard Down scale 5 3 2 mA DC or less Note Applicable for Output signal code D and E Damping Time Constant 1st order Amplifier damping time constant is adjustable from 0 to 100 00 seconds and added to response time Note For BRAIN protocol type when amplifier damping is set to less than 0 5 seconds communi cation may occasionally be unavailable during the operation especially while output changes dynamically The default setting of damping ensures stable communication Update Period Differential Pressure 45 msec Static Pressure 360 msec Zero Adjustment Limits Zero can be fully elevated or suppressed within the lower and upper range limits of the capsule External Zero Adjustment External Zero is continuously adjustable with 0 01 incremental resolution of span Re range can be done locally using the digital indicator with range setting switch Integral Indicator LCD display 5 digit Numerical Display 6 digit Unit Display and Bar graph The indicator is configurable to display one or up to four of the following variables periodically Differential pressure in Scaled Differential pressure Differential Pressure in Engineering unit Static Pressure in Engineering unit See Setting When Shipped for factory setting Table 8 1 Process temperature Ambient temperature and
94. wer supply F0504 EPS Figure 5 4 Check Meter Connection 5 3 5 Status Output Connection When option code AL is specified connect the external wiring as shown in Figure 5 5 To configure and activate the process alarm function and status output it is necessary to set some param eters Refer to each communication manual for procedures Transmitter terminal box ANDS Shielded cable External power BEE supply 30V DC 120mA max Use two wire separately shielded cables AC power supply F0505 EPS Figure 5 5 Status Output Connection 5 4 Wiring 5 4 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 for communications line requirements see section 8 1 5 WIRING 1 General use Type and Flameproof Type Hazardous Location lt Nonhazardous Location Transmitter terminal box Distributor Power supply unit Receiver instrument F0506 EPS Figure 5 6 Connection between Transmitter and Distributor 2 Intrinsically Safe Type With the intrinsically safe type a safety barrier must be included in the loop Hazardous Location Nonhazardous Location Transmitter terminal box Distributor Power supply un
95. y approvals may affect electrical require ments BRAIN Communication Distance Up to 2 km 1 25 miles when using CEV polyethylene insulated PVC sheathed cables Communication distance varies depending on type of cable used Load Capacitance 0 22 uF or less Load Inductance 3 3 mH or less Input Impedance of communicating device 10 kQ or more at 2 4 kHz HART Communication Distance Up to 1 5 km 1 mile when using multiple twisted pair cables Communication distance varies depending on type of cable used Use the following formula to determine cable length for specific applications 65 x 106 C 10 000 e R x C Where L length in meters or feet R resistance in Q including barrier resistance C cable capacitance in pF m or pF ft C maximum shunt capacitance of receiving devices in pF m or pF ft EMC Conformity Standards C n200 EN 61326 AS NZS CISPR11 8 GENERAL SPECIFICATIONS O PHYSICAL SPECIFICATIONS Process connections See the following table Table 8 2 Flange size and rating Process Size connection style Sinh JIS 10K 20K 40K 63K 2 Flush type Stach ANSI Class 150 300 600 11 2 inch Extended type DIN PN10 16 25 40 High pressure JIS 10K 20K JPI Class 150 300 600 DIN PN10 16 25 40 64 EE side 4 inch ANSI Class 150 300 Flush 3 Low pressure JPI Class 150 300 ES side 3 inch_ DIN PN10 16 25 40 T0804 EPS JIS 10K 20K 40K 2 ANSI Class 150 3
96. y 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 Please note that changes in the specifications construction or component parts of the instrument may not immediately 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 Yokogawa assumes no responsibility 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 responsi bility for any such harm owing to any defects in the product which were not predictable or for any indirect damages IM 01C25H01 01E e The following safety symbols are used in this manual A WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury 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

User`s Manual EJX118A and EJX438A Diaphragm Sealed

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