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User's Manual EJX210A Flange Mounted Differential

1. F0908 EPS Model Suffix codes Description EJX210A 1 1 T eee Transmitter body section I Process connection style KEE Extended type Flange rating 5 JIS 10K JD ids tee tae de aes JIS 20K Al see stews EE ANSI class 150 PO a aids skadede ANSI class 300 Pd sew tien EE JPI class 150 PD EE JPI class 300 Flange size A 4 inch 100mm Flange material JIS S25C e Bas ass clade and JIS SUS304 EEN JIS SUS316 Gasket contact surface Serration for ANSI flange only JANE Flat no serration Wetted parts material Diaphragm Others Pipe high pressure side SE JIS SUS316L JIS SUS316 JIS SUS316 Flushing connection ring IER None Extension T eeee Length X gt 50mm GJ Length X2 100mm Berre Length X2 150mm Fill fluid Process Ambient temperature temperature A For high temperature use Silicone oil 10 to 250 C 3 10 to 85 C 1 B For general use Silicone oil 40 to 120 C 40 to 85 C P For sanitary use Propylene glycol 10 to 120 C 10 to 85 C Option codes O Optional specification The 7x marks indicate the most typical selection for each specification Example EJX210A DMS5G 912NN EA14B1SE01 B 1 See Table 9 3 Gasket contact surface on Page 9 3 2 Indicates the process temperature limit of high pressure side The process temperature limit for
2. II Flange mounting section Transmitter body section See Page 9 4 I Transmitter body section e Flush type 3 2 or 1 1 2 inch e Extended type 4 or 3 inch See Page 9 5 to 9 9 F0903 EPS F0904 EPS Model Suffix codes Description EJX210A eee eee ete narr anten Flange mounted differential pressure transmitter Output signal D eee ee eee ee eee 4 to 20mA DC with digital communication BRAIN protocol EE 4 to 20mA DC with digital communication HART protocol ZE Digital communication FOUNDATION Fieldbus protocol Measurement Men 1 to 100kPa 4 to 400 inH2O span Capsule H esse eee eee eee 5 to 500kPa 20 to 2000 inH O Low pressure side Gian er wetted parts material Refer to Low Pressure Side Wetted Parts Materials Table below Low pressure side EE without process connector Rc 1 4 female on the cover flange Process connections 1 eeseeeeee with Rc 1 4 female process connector JE with Rc 1 2 female process connector KEE with 1 4 NPT female process connector DE with 1 2 NPT female process connector Vo Babes kle ee are without process connector 1 4 NPT female on the cover flange Coverflange bolts AEE ASTM B7M carbon steel and nuts material De 316SST ISO A4 70 ASTM grade660 stainless steel Installation KEE Horizontal piping type and left side high pressure Amplifier
3. F0405 EPS Figure 4 5 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 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 When re mounting the ring use the new spiral gasket as shown in below table Table 4 1 Spiral Gasket for Pressure Detector Section Side Part number Size Description F9350SV 100x 120x14 5 For 3 inch flange F9970XF 100x 120xt4 5 For 3 inch flange F9350ST 70X 90xt4 5 For 2 inch flange F9970XD 70xX 90xt4 5 For 2 inch flange F9346ZH 60X 75x14 5 For 1 1 2 inch flange F9970XB 60X 75x14 5 For 1 1 2 inch flange T0401 EPS Material 316SST Hoop PTFE Teflon Filler For oil prohibited use Option code K1 K2 K5 K6 4 3 4 INSTALLATION 4 6 Affixing the Teflon Film The FEP Teflon option includes a teflon film and fluorinated oil Before mounting the transmitter to the process flange affix the teflon film as follows A IMPORTANT 1 Position the diaphragm 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 diaphragm or chang
4. Does the self diagnostic indicate problem location Refer to error message summary in Subsection 8 5 3 or in each communication manual to take actions Is power supply polarity correct Refer to Section 6 3 to check correct polarity at each terminal from power supply to the terminal box Are power supply voltage and load resistance correct Refer to Section 6 6 for rated voltage and load resistance Are valves opened or closed correctly Fully close equalizing valve and fully open high pressure and low pressure valves Is there any pressure leak Fix pressure leaks paying particular attention to connections for impulse piping pressure detector section etc continuity through the transmitter loop wiring Do the loop numbers Find correct broken conductor or wiring error Contact Yokogawa service personnel F0806 EPS 8 5 IM 01C25C01 01E Output travels beyond 0 or 100 Connect BRAIN TERMINAL and check self diagnostics Does the self diagnostic indicate problem location YES Refer to error message summary in each communication manual to take actions Is power supply polarity correct Refer to Section 6 3 to check correct polarity at each terminal from power supply to the terminal box Are valves opened or closed correctly Fully open the low pressure valve YES Is there any pressure leak Fix pressure l
5. fe ia GEET LL O E gt PT LLL F0707 EPS Figure 7 4 Venting for Flushing Connection Ring 7 OPERATION 7 6 Setting the Range Using the Range setting Switch A 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 Rerange LRV to 0 and HRV to 50 kPa 1 Connect the transmitter and apparatus as shown in Figure 8 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 ND 4 Turn the external zero adjustment screw in the desired direction The integral indicator displays the output signal in 5 Adjust the output signal to 0 1 V DC by rotating the external zero adjustment screw Doing so c
6. 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 01025C01 01E Intrinsically Safe Hazardous Location lt 1 gt Nonhazardous Location Group IIC Zone 0 Class I Il Ill Division 1 I i Groups A B C D E F G General i I EJX Series Pressure Purpose Transmitters Safety Barrier Equipment Loi It Gott i l I Le F0204 1 EPS Nonincendive Hazardous Location gt Nonhazardous Location Group IIC Zone 2 Class I II Division 2 Groups A B C D E F G CSA Certified Class III Division 1 Equipment EJX Series Pressure nL or nonincendive Transmitters 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 Explosion proof for Class I Groups B C and D Dustignition proof for Class I II Groups E F and G Enclosure TYPE 4X Temperature Code T6 T4 For CSA E60079 Applicable Standard CAN CSA E60
7. 110 4 33 Conduit connection fit Zero adjustment 12 Z Terminal side X2 lt 7 d e 41 Process connector optional EN nat 1 61 3 Shrouding bolt 20 Process flange for flame proof type 2 13 3 Flushing connection ring Fill fluid code S Straight type Reducer type General use B and P 113 4 45 High temperature use A 143 5 63 e Spiral E M Spiral a gasket EI gasket 1 Indicates inside diameter of gasket contact surface 2 When option code K1 K2 K5 or K6 is selected add 15 mm 0 59 inch to the value in the flange For flange size For flange size Add 11 mm 0 36 inch for Drain vent plugs of flushing connection ring 3 or 2 inch 11 2 inch 9 12 F0910 EPS IM 01025C01 01E 9 GENERAL SPECIFICATIONS P Unit mm Approx inch Process flange size 4 inch 100 mm Code Flange rating oD oC og od t No ep Sn j k oA J1 JIS 10K 210 8 27 175 6 89 155 6 10 18 0 71 8 19 0 75 96 0 5 3 78 0 02 J2 JIS 20K 225 8 86 185 7 28 155 6 10 24 0 94 8 23 0 91 96 0 5 3 78 0 02 A1 ANSI class 150 228 6 9
8. User s oPhap EX Manual EJX210A Flange Mounted Differential Pressure Transmitters IM 01C25C01 01E vigilantplant YOKOGAWA 9 pi eee B Yokoaawa Electric Corporation Ta INTRODUCTION 0 oisesisestscsccctsccissnssaudssianctebcds enlanvasasecncecuvesansaddiuidaseassonewwcciaiaaes 1 1 Regarding This Manual seoseis annA EELEE IEA ERAS 1 1 1 1 Safe Use of This Product 1 2 ter MW rranty EE 1 3 1 3 ATEX Documentation vunnet biene dat raste 1 4 2 HANDLING GAUTIONS scsecncctiostacteinaneaninnadenudausdsandeasamesendoaedeubianataueaaetedudvnian 2 1 2 1 Model and Specifications Check 2 1 22 UNPACKING ee ENER EEN dae aden eigenen a 2 1 2 3 e EE 2 1 2 4 Selecting the Installation Location rrrrrnnnnvnnonvrrnnnnrnnnnnrnnrnnrnnnnnnnnnnr 2 2 2 5 Pressure Conmnechon 2 2 2 6 Waterproofing of Cable Conduit Connections rrnrrrrnrrvnnnrrnnrvrnnrrnnn 2 2 2 7 Restrictions on Use of Radio Transceivers n se 2 2 2 8 Insulation Resistance and Dielectric Strength Test 2 2 2 9 Installation of an Explosion Protected Instrument s sssssesneneeseeeeene 2 3 29 1 FM elei TEE 2 3 2 92 CSA Certification Lvavanudrteme vrede vedde EE 2 5 2 9 3 CENELEC ATEX KEMA Certification srrrronnnrnrrrrrrnnnnrnnrrnrnn 2 7 2 9 4 IECEx Certification rrrrannrrnnrnrrrnnnrrnnrnrrrnrrrrrnnnnrrnrrrrreennnnnnennne 2 10 2 10 EMC Conformity Standards rrrenonvrnnnnnrnnnnnnvnnnnrrnnnnnnnnnrrrnnnnnnnnrrnnen 2 11 2 11 Press
9. marks indicate the most typical selection for each specification Example EJX210A DMS5G 912NN WA13B1SWO00 B Fl 02 KI The process temperature limit for low pressure side is 40 to 120 C ZA Ss 6 AT See Table 9 3 Gasket contact surface on Page 9 3 When specified flushing connection ring code A or B exclusive gasket is provided for transmitter side Indicates the process temperature limit of high pressure side The distance S is extended in 30mm In case of wetted parts material code TW Tantalum the process temperature limit is 10 to 200 C Not applicable for gasket contact surface code 1 Hastelloy C 276 or N10276 The marks indicate the construction materials conform to NACE material recommendations per MR01 75 For the use of 316 SST material there may be certain limitations for pressure and temperature Please refer to NACE standards for details 9 5 T0906 EPS IM 01025C01 01E ll Flange mounting section Flush type Process flange size 2 inch 50mm 9 GENERAL SPECIFICATIONS H F0906 EPS Model Suffix codes Description EJX210A I It Transmitter body section I Process connection style Flush type Flange rating JIS 10K JIS 20K ANSI class 150 ANSI class 300 JPI class 150 JPI class 300 DIN PN10 16 DIN PN25 40 Fl
10. temperature A For high temperature use Silicone oil 10 to 250 C 3 10 to 85 C 1 B For general use Silicone oil 40 to 120 C 40 to 85 C P For sanitary use Propylene glycol 10 to 120 C 10 to 85 C Option codes O Optional specification The 7x marks indicate the most typical selection for each specification Example EJX210A DMS5G 912NN EA13B1WE01 B 1 See Table 9 3 Gasket contact surface on Page 9 3 2 Indicates the process temperature limit of high pressure side The process temperature limit for low pressure side is 40 to 120 C 3 The distance S is extended in 30mm 4 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 T0910 EPS 9 9 IM 01C25C01 01E 9 GENERAL SPECIFICATIONS 9 3 OPTIONAL SPECIFICATIONS For Explosion Protected type 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 9 10 Item Description Code FM Explosionproof Approval 1 Explosionpr
11. Reference pressure Figure 8 1 Instrument Connections F0801 EPS 8 2 IM 01C25C01 01E 8 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 8 2 shows the tools required Table 8 2 Tools for Disassembly and Reassembly Tool Quantity Remarks Phillips screwdriver 1 JIS B4633 No 2 Slotted screwdriver 1 Allen wrenches 3 JIS B4648 One each nominal 3 4 and 2 5mm Allen wrenches Wrench Width across flats 17 mm Torque wrench Adjustable wrench Socket wrench Width across flats 16 mm Socket driver Width across flats 5 5 mm a ek ek dek s 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 the 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 T0802 EPS Shro
12. kgf cm unit 9 D4 Teflon film 2 12 Diaphragm protection from sticky process fluid by FEP Teflon film attached with fluorinated oil TF1 ST Operation range 20 to 150 C 0 to 2 MPa Not applicable for vacuum service Failure alarm down scale Output status at CPU failure and hardware error is 5 C1 3 2 mA DC or less Output limits Failure alarm down scale Output status at CPU P NAMUR NE43 Compliant p c2 and failure operation 4 failure and hardware error is 5 3 2 mA DC or less ignal limits 3 8 mA ed lee Failure alarm up scale Output status at CPU c3 failure and hardware error is 110 21 6 mA or more Gold plate 5 Inside of isolating diaphragms fill fluid side are gold plated effective for hydrogen permeation A1 Stainless steel tag plate 304SST tag plate wired onto transmitter N4 Data configuration at Data configuration for HART communication type Software damping Descriptor Message CA factory 6 Data configuration for BRAIN communication type Software damping CB High Pressure side Process flange Block 7 Low Pressure side Cover flange MOW For Flush High Pressure side Process flange Block 8 Low Pressure side Cover flange Process connector M1W Material type High Pressure side Process flange Block Ring 7 9 Low Pressure side Cover flange M3W certificate High Pressure side Process flange Block Ring 9 Low Press
13. ment Powering off within 30 seconds of per forming this procedure will return the zero point to its previous setting A 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 7 OPERATION 1 When you can obtain Low Range Value from actual measured value of 0 0 kPa atmospheric pressure Zero adjustment screw cover F0704 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 Low Range Value from actual measured value of 0 Adjust the transmitter output to the actual measured value obtained by a digital manometer or a glass gauge Example The measuring range of 50 to
14. terminals When AL is specified also refer to subsection 6 3 5 Transmitter terminal box Power supply F0601 EPS Figure 6 1 Power Supply Wiring Connection 6 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 Transmitter terminal box F0602 EPS Figure 6 2 External Indicator Connection 6 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 since the BT200 is AC coupled to the terminal box F0603 EPS Figure 6 3 BT200 Connection IM 01025C01 01E 6 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 Power supply F0604 EPS Figure 6 4 Check Meter Connection 6 3 5 Status Output Connection When option code AL is specified connect the external wiring as shown in Figure 6 5 To configure and activate the process alarm function and status output it is necessary to set
15. 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 Type of Protection and Marking code EEx ia IIC T4 e Group II e Category 1G 1D Ambient Temperature for gas proof 50 to 60 C 2 HANDLING CAUTIONS Process Temperature Tp 120 C max Maximum Surface Temperature for dust proof T85 C Tamb 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 Enclosure IP66 and IP67 Note 2 Electrical Data 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 e All wiring shall comply with local installation requirements Refer to the installation diagram Note 4 Maintenance and Repair The instrument modification or parts replacement by other than authorized representative of Yokog
16. 00 190 5 7 50 155 6 10 23 9 0 94 8 19 1 0 75 96 0 5 3 78 0 02 A2_ ANSI class 300 254 10 00 200 2 7 88 155 6 10 31 8 1 25 8 22 4 0 88 96 0 5 3 78 0 02 P1 JPI class 150 229 9 02 190 5 7 50 155 6 10 24 0 94 8 19 0 75 96 0 5 3 78 0 02 P2 JPI class 300 254 10 0 200 2 7 88 155 6 10 32 1 26 8 22 0 87 96 0 5 3 78 0 02 D2 DIN PN10 16 220 8 66 180 7 09 155 6 10 20 0 79 8 18 0 71 E 96 0 5 3 78 0 02 D4 DIN PN25 40 235 9 25 190 7 48 155 6 10 24 0 94 8 22 0 87 96 0 5 3 78 0 02 Process flange size 3 inch 80 mm i Bolt holes F Code Flange rating oD oC og od t Non Dia ah j k oA J1 JIS 10K 185 7 28 150 5 91 130 5 12 90 3 54 18 0 71 8 19 0 75 25 0 98 27 1 06 71 0 5 2 8 0 02 J2 JIS 20K 200 7 87 160 6 30 130 5 12 90 3 54 22 0 87 8 23 0 91 25 0 98 27 1 06 71 0 5 2 8 0 02 A1 ANSI class 150 190 5 7 50 152 4 6 00 130 5 12 90 3 54 23 9 0 94 4 19 1 0 75 25 0 98 27 1 06 71 0 5 2 8 0 02 A2 ANSI class 300 209 6 8 25 168 1 6 62 130 5 12 90 3 54 28 5 1 12 8 22 4 0 88 25 0 98 27 1 06 71 0 5 2 8 0 02 P1 JPI class 150 190 7 48 152 4 6 00 130 5 12 90 3 54 24 0 94 4 19 0 75 25 0 98 27 1 06 71 0 5 2 8 0 02 P2 JPI class 300 210 8 27 168 1 6 62 130 5 12 90 3 54 28 5 1 12 8 22
17. 250 kPa the actual measured value of 130 kPa 130 50 250 50 x 100 40 0 10 4mA Actual measured value Turn the screw to match the output signal to the actual measured value IM 01C25C01 01E 7 3 Starting Operation After completing the zero point adjustment follow the procedure 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 8 3 After locking the covers confirm that they are secure and cannot be opened by hand e Tighten the zero adjustment cover mounting screw to fix the cover in position 7 4 Shutting Down Operati
18. 3 CU1 IECEx Intrinsically safe type n and flameproof Approval 1 3 EGE Scheme Intrinsically safe and type n No IECEx CSA 05 0005 Ex ia IIC T4 Ex nL IIC T4 SU2 Flameproof No IECEx CSA 05 0002 Flameproof for Zone Ex d IIC T6 T4 T0911 EPS IM 01C25C01 01E 9 GENERAL SPECIFICATIONS Item Description Code Painting Amplifier cover only PO Color change Amplifier cover and terminal cover Munsell 7 5 R4 14 PR Coating change Anti corrosion coating X2 Lightning protector Allowable current Max 6000 A 1x40 ps Repeating 1000 A 1x40 ps 100 times A Transmitter power supply voltage 10 5 to 32 V DC 10 5 to 30 V DC for intrinsically safe type Applicable Standards IEC 61000 4 4 IEC 61000 4 5 Transistor output open drain sink type 13 Status ouput Contact rating 10 5 to 30 V DC 120 mA DC max Low level 0 to 2 V DC AL Degrease cleansing treatment K1 Oil prohibited use Degrease cleansing treatment and with fluorinated oil filled capsule K2 Operating temperature 20 to 80 C Oil prohibited use with dehydrating treatment Degrease cleansing treatment and dehydrating treatment K5 Degrease cleansing treatment and dehydrating treatment with fluorinated oil filled capsule Operating temperature 20 to 80 C K6 P calibration psi unit See table for Span and D1 Calibration units 3 bar calibration bar unit Range Limits D3 M calibration
19. 4 19 0 75 27 1 06 30 1 18 J2 JIS 20K 140 5 51 105 4 13 86 3 39 44 1 73 18 0 71 4 19 0 75 27 1 06 30 1 18 A1 ANSI class 150 127 5 00 98 4 3 87 86 3 39 44 1 73 17 5 0 69 4 15 9 0 63 27 1 06 30 1 18 A2 ANSI class 300 155 4 6 12 114 3 4 50 86 3 39 44 1 73 20 6 0 81 4 22 4 0 88 27 1 06 30 1 18 P1 JPI class 150 127 5 00 98 6 3 88 86 3 39 44 1 73 17 6 0 69 4 16 0 63 27 1 06 30 1 18 P2 JPl class 300 155 6 10 114 3 4 50 86 3 39 44 1 73 20 6 0 81 4 22 0 87 27 1 06 30 1 18 1 Indicates inside diameter of gasket contact surface Extension length X Extension code X2 1 50 1 97 3 100 3 94 5 150 5 91 T0913 EPS 9 13 IM 01C25C01 01E amp Terminal Configuration Communication connection hook terminals BT200 etc Check meter connection hook 2 9 GENERAL SPECIFICATIONS amp Terminal Wiring lt Factory Setting gt Tag Number As specified in order SE 2 sec or as specified in order Calibration Range Lower Range Value As specified in order Calibration Range Upper Range Value As specified in order Calibration Range Units Selected from mmH20O mmH 0 68 F mmAq mmWG mmHg Pa hPa kPa MPa mbar bar gf cm kgf cm2 inH20 inH20 68 F inHg ftH2O ftH O 68 F or psi Only one unit can be spec
20. 4X Temp Code T4 e Amb Temp 50 to 60 C Process Temperature 120 C max For CSA E60079 Applicable Standard CAN CSA E60079 0 CAN CSA E60079 11 CAN CSA E60079 15 TEC 60529 2001 02 Ex ia IIC T4 Ex nL IIC T4 e Ambient Temperature 50 to 60 C e Max Process Temp 120 C e Enclosure IP66 and IP67 Note 2 Entity Parameters e Intrinsically safe ratings are as follows Maximum Input Voltage Vmax Ui 30 V Maximum Input Current Imax Ii 200 mA Maximum Input Power Pmax Pi 0 9 W Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 uH Type n or Nonincendive ratings are as follows Maximum Input Voltage Vmax Ui 30 V Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 uH Installation Requirements Uo lt Ui Io lt Li Po lt Pi Co Ci Ccable Lo Li Lcable Voc lt Vmax Isc lt Imax Ca Ci Ccable La Li Lcable Uo Io Po Co Lo Voc Isc Ca and La are parameters of barrier Note 3 Installation In any safety barreir used output current must be limited by a resistor RI such that Io Uo R or Isc Voc R The safety barrier must be CSA certified Input voltage of the safet barrier must be less than 250 Vrms Vde 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 IT and III environments
21. 9 1 Standard Specifications rrrronrnnnnnvrnnnnvrnnnnrrrnnnnvnnrrrrrnnnnnnnrerrresnnrnnsennn 9 1 9 2 MODEL AND SUFFIX CODES rrennrvvnrnvvnrrrrrrnennvnnrrrrrrennrenrerrresrnnrnsennr 9 4 9 3 OPTIONAL SPECIFICATIONS For Explosion Protected type 9 10 9 4 DIMENSION S fai ete cian dee weet Sadan seaweed ans duk kantate eee 9 12 REVISION RECORD 5 sisicsssvscssuesierentiawecsies cncveveuescvecessaiay EES 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 ii IM 01C25C01 01E 1 INTRODUCTION 1 INTRODUCTION Thank you for purchasing the DPharp EJX Differential 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 A 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 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 AN WARNING When us
22. C Tp 100 C T120 C Tamb 40 to 80 C Tp 120 C 2 8 IM 01C25C01 01E AN WARNING To satisfy IP66 or IP67 apply waterproof glands to the electrical connection port 2 Electrical Connection A mark indicating the electrical connection type is stamped near the electrical connection port These marks are as follows Screw Size Marking ISO M20X1 5 female AM ANSI 1 2 NPT female AA T0201 EPS Location of the mark F0206 EPS 3 Installation AN WARNING e All wiring shall comply with local installation requirements and the local electrical code 4 Operation AN WARNING e OPEN CIRCUIT BEFORE REMOVING COVER INSTALL IN ACCORDANCE WITH THIS USER S MANUAL e Take care not to generate mechanical sparking when access to the instrument and peripheral devices in a hazardous location 5 Maintenance and Repair AN 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 O Tag plate for flameproof type No KEMA 03ATEX2570 EEx d IIC T6 T4 IP66 andIP67 TEMP CLASS 6 14 MAX PROCESS TEMP Tp 85 100 120 C Tamb 50 to 70 80 75 T80 C Tamb 40 C Tp 80 C T100 C Tamb 60 C Tp 100 C 120 C Tamb 80 C Tp 120 C Min Tamb 40 G for DUST AFTER DE ENERGIZING DELAY 5 M
23. EJX210A flange mounted differential pressure transmitter measures the levels or densities of liquids This section describes the operation procedure for the EJX210A as shown in Figure 7 1 when measuring a liquid level in an open tank a Confirm that there is no leak in the connecting part of the transmitter mounting flange Remove the plastic dust cap placed in the process connector low pressure side 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 01C25T01 01E 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 Open Tank lA e d Luss e S 2 KEE A KE SR oi GN F0701 EPS Figure 7 1 Liquid Level Measurement E Confirming that Transmitter is Operating Properly Using the BT200 If the wiring system is faulty communication error appears on the display If the transmitter is faulty SELF CHECK ERROR appears on the display PARAM C60 SELF CHECK ERROR communication error DATA DIAG PRNT ESC Self diagnostic error Faulty transmitter Commun
24. 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 Continues to operate and Check input P ADJ output AL 54 Continues to operate and Check setting and change 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 satisfy the them as needed condition AL 79 Displayed value exceeds limit OV DISP 1 These alarms may appear only when process alarm function is activated 8 7 T0803 EPS IM 01025C01 01E 9 GENERAL SPECIFICATIONS 9 GENERAL SPECIFICATIONS 9 1 Standard Specifications Refer to IM 01C25T02 01E for FOUNDATION Fieldbus communication type marked with Q Performance Specifications See General Specifications sheet GS 01C25C01 01E Functional Specifications Span amp Range Limits Sr kPa inH 0 D1 mbar D3 mmH 0 D4 i Span 1 to 100 4 to400 10to 1000 100 to 10000 Range 100 to 100 400 to 400 1000 to 1000 10000 to 10000 H Span 5 to 500 20 to 2000 50 to 5000 10 05 to 5 kgf cm Range 500 to 500 2000 to 2000 5000 to 5000 to 5 kgf cm T0901 EPS Output Two wire 4 to 20 mA DC output with digital commun
25. 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 perform 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
26. be in accordance with the description about the type of protection in this user s manual Note 2 In order to avoid confusion unnecessary marking is crossed out on the label other than the selected type of protection when the transmitter is installed CENELEC ATEX Type of Protection n Applicable Standard EN 60079 15 2003 Referential Standard IEC 60079 0 1998 IEC60079 11 1999 Type of Protection and Marking Code EEx nL IIC T4 e Temperature Class T4 e Enclosure IP66 and IP67 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 Installation All wiring shall comply with local installation requirements refer to the installation diagram Note 3 Maintenance and Repair The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and 66 99 will void Type of Protection n Installation Diagram lt gt Nonhazardous Location Hazardous Location Zone 2 only Transmitter O EExnL Power Supply F0205 EPS Ratings of the Power Supply as follows Maximum Voltage 30 V CENELEC ATEX Type of Protection Dust Type of Protection and Marking Code II 1D Maximum Surface Temperature T80 C Tamb 40 to 40 C Tp 80 C T100 C Tamb 40 to 60
27. 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 01C25C01 01E e The following safety symbols are used in this manual AN WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury AN CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices A IMPORTANT Indicates that operating the hardware or software in this manner may damage it or lead to system failure 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 s 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 allowe
28. 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 Figure 3 1 Component Names Table 3 1 Display Symbol Display Symbol Meaning of Display Symbol A The output signal being zero adjusted is increasing y The output signal being zero adjusted is decreasing On Write protect function is enabled T0301 EPS 3 1 IM 01C25C01 01E 4 INSTALLATION 4 INSTALLATION 4 1 Precautions 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 9 1 Standard Specifications 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 Never loosen the four bolts securing the cover flanges Refer to figure 3 1 If the seal liquid leaks the transmitter cannot be used 4 2 Mounting The transmitter is mounted on a process using its high pressure side flange as shown i
29. freeze use a steam jacket or heater to maintain the temperature of the fluid A NOTE After completing the connections close the valves on the process pressure taps main valves the valves at the transmitter stop valves and the impulse piping drain valves so that condensate sediment dust and other extraneous material cannot enter the impulse piping IM 01C25C01 01E 5 2 Impulse Piping Connection Examples Figure 5 2 shows examples of typical impulse piping connections Before connecting the transmitter to the process study the transmitter installation location the process piping layout and the characteristics of the process fluid corrosiveness toxicity flammability etc etc and make appropriate changes and additions to the connection configurations Open Tank Pipe opened to atmosphere at low pressure side Closed Tank Tap valve Union or flange Vent plug Tee Drain valve Drain plug F0502 EPS Figure 5 2 Impulse Piping Connection Examples 5 2 5 INSTALLING IMPULSE PIPING IM 01025C01 01E 6 WIRING 6 WIRING 6 1 Wiring Precautions A IMPORTANT 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 All threaded parts must be treated with water proofing sealant A non hardening silicone group sealant i
30. housing Cast aluminum alloy Qe reece eens ASTM CF 8M Stainless steel Electrical connection EE G 1 2 female one electrical connection without blind plugs pr 1 2 NPT female two electrical connections without blind plugs DE M20 female two electrical connections without blind plugs JOPPE G 1 2 female two electrical connections with a blind plug EE 1 2 NPT female two electrical connections with a blind plug EE M20 female two electrical connections with a blind plug Integral Indicator Deen Digital indicator EE Digital indicator with the range setting switch K Ne None s Ne Always N Flange mounting section TTT TI Continued on flange mounting section II The e 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 Table Low Pressure Side Wetted Parts Materials E i fl ARTE Side woned Gaver flange and Capsule Capsule gasket Drain Vent plug parts material code process connector a Hastelloy C 276 2 Diaphragm kal E S ASTM CF 8M 316L SST Others Teflon coated 316L SST 316 SST 1 Cast version of 316 SST Equivalent to SCS14A 2 Hastelloy C 276 or N10276 The 27 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 sta
31. lead wire to the shorted SUPPLY terminals and the minus leadwire to the grounding terminal 2 2 IM 01C25C01 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 EA 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 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 A NOTE After completing the test and being very careful not For FOUNDATION Fieldbus explosion protect
32. low pressure side is 40 to 120 C 3 The distance S is extended in 30mm 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 T0909 EPS 9 8 IM 01C25C01 01E 9 GENERAL SPECIFICATIONS ll Flange mounting section Extended type Process flange size 3 inch 80mm rg DD CO 3 ETE ile F0909 EPS Model Suffix codes Description EJX210A L I I ee Transmitter body section 1 Process connection style NE Extended type Flange rating Ji JIS 10K ID ass atc oe cy es JIS 20K Al see stews EE ANSI class 150 PD a aids skadede ANSI class 300 Pd baw attire ewes JPI class 150 PL lassstesedk ge ss JPI class 300 Flange size JE 3 inch 80mm Flange material A JIS S25C e KEE JIS SUS304 Cui JIS SUS316 Gasket contact surface Serration for ANSI flange only JANE Flat no serration Wetted parts material Diaphragm Others Pipe high pressure side WE Hastelloy C 276 4 JIS SUS316 JIS SUS316 Flushing connection ring IER None Extension UE Length X gt 50mm GJ Length X2 100mm Berre Length X2 150mm Fill fluid Process Ambient temperature
33. 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 8 4 1 to mount the indicator 8 MAINTENANCE A 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 8 4 3 Replacing the Process Connector Gasket This subsection describes the procedure for replacing the process connector gasket See Figure 8 4 1 Loosen the two bolts and remove the process connector 2 Replace the process connector gasket 3 Mount the process connector Tighten the bolts securely and uniformly to a torque of 39 to 49 N m 4 to 5 kgf m and verify that there are no pressure leaks Process connector gasket Process connector F0804 EPS Figure 8 4 Replacing the Process Connector Gasket 8 4 IM 01C25C01 01E 8 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 8 5 1 Basic Troubleshooting First determine whether the
34. 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 diagnostic 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 8 5 3 for the list of alarms See also each communication manual _ Areas where self diagnostic offers support Abnormalities appear in measurement Is process variable itself abnormal Inspect the process system Measurement system problem Isolate problem in measurement system Does problem exist in receiving instrument Inspect receiver Transmitter itself L wi e Check correct i environmental conditions Check transmitter Operating conditions y Check correct operating conditions Figure 8 5 Basic Flow and Self Diagnostics Environmental conditions F0805 EPS 8 MAINTENANCE 8 5 2 Troubleshooting Flowcharts The following sorts of symptoms indicate that the transmitter may not be operating properly Example There is no output signal Output signal does not change even though process variable is known to be varying Output value is inconsistent with value inferred for process variable Connect communicator and check self diagnostics
35. some param eters Refer to each communication manual for procedures Transmitter terminal box 2V DC Shielded cable External power Laz supply 30V DC 120mA max Use two wire separately shielded cables AC power supply F0605 EPS Figure 6 5 Status Output Connection 6 4 Wiring 6 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 6 6 for communications line requirements see section 9 1 6 WIRING 1 General use Type and Flameproof Type Hazardous Location Nonhazardous Location Transmitter terminal box Distributor Power supply unit Receiver instrument F0606 EPS Figure 6 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 unit Receiver instrument Safety barrier F0607 EPS Figure 6 7 Connection between Transmitter and Distributor 6 4 2 Wiring Installation 1 General use Type and Intrinsically Safe Type With the cable wiring use a metallic conduit or waterpr
36. 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 01C25C01 01E Table 8 1 Instruments Required for Calibration 8 MAINTENANCE Power supply Model SDBT or SDBS distributor Name Yokogawa recommended Instrument Remarks 4 to 20 mA DC signal Load Model 2792 standard resistor 250 Q 0 005 3 W resistor Load adjustment resistor 100 2 1 1 W Model 2501 A digital multimeter manometer 3 For 700 kPa class Accuracy 0 02 of rdg 3digits FG CIGUS ANERE EE AALE 0 2 of rdg 0 1 of F S 4 For 3000 kPa class Accuracy 0 02 of rdg 10 digits 0 2 of rdg 0 1 of F S 5 For 130 kPa abs class Accuracy 0 03 of rdg 6 digits voltmeter Accuracy 10V DC range 0 002 of rdg 1 dgt Model MT220 precision digital manometer 1 For 10 kPa class Accuracy 0 015 of rdg 0 015 of F S for O 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 eee eee eee for 25 to 130 kPa lee CEET for 0 to 25 kPa Digital 0 2 of rdg 0 1 of FS for 80 to 0 kPa Select a manometer having for 100 to 700 kPa for 0 to 100 kP
37. 0 87 25 0 98 27 1 06 71 0 5 2 8 0 02 D2 DIN PN10 16 200 7 87 160 6 30 130 5 12 90 3 54 20 0 79 8 18 0 71 25 0 98 27 1 06 71 0 5 2 8 0 02 D4 DIN PN25 40 200 7 87 160 6 30 130 5 12 90 3 54 24 0 94 8 18 0 71 25 0 98 27 1 06 71 0 5 2 8 0 02 Process flange size 2 inch 50 mm Code Flange rating oD oC ag od t No a a ah j k J1 JIS 10K 155 6 10 120 4 72 100 3 94 61 2 40 16 0 63 4 19 0 75 25 0 98 27 1 06 J2 JIS 20K 155 6 10 120 4 72 100 3 94 61 2 40 18 0 71 8 19 0 75 25 0 98 27 1 06 A1 ANSI class 150 152 4 6 00 120 7 4 75 100 3 94 61 2 40 19 1 0 75 4 19 1 0 75 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 8 19 1 0 75 25 0 98 27 1 06 P1 JPI class 150 152 5 98 120 6 4 75 100 3 94 61 2 40 19 5 0 77 4 19 0 75 25 0 98 27 1 06 P2 JPI class 300 165 6 50 127 0 5 00 100 3 94 61 2 40 22 5 0 89 8 19 0 75 25 0 98 27 1 06 D2 DIN PN10 16 165 6 50 125 4 92 100 3 94 61 2 40 18 0 71 4 18 0 71 25 0 98 27 1 06 D4 DIN PN25 40 165 6 50 125 4 92 100 3 94 61 2 40 20 0 79 4 18 0 71 25 0 98 27 1 06 Process flange size 1 1 2 inch 40 mm Code Flange rating oD oC op d t No ar AT j k Ji JIS 10K 140 5 51 105 4 13 86 3 39 44 1 73 16 0 63
38. 079 0 CAN CSA E60079 1 Flameproof for Zone 1 Ex d IIC T6 T4 Enclosure IP66 and IP67 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 Supply Voltage 42 V de max Output Signal 4 to 20 mA de 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 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 es WARNING WHEN INSTALLED IN CL I DIV 2 SEAL NOT REQUIRED UNE FOIS INSTALLE DANS CL I DIV 2 AUCUN JOINT N EST REQUIS Non Hazardous Hazardous Locations Division 1 Locations Non hazardous Location Equipment 50 cm Max 42 V DC Max 4 to 20 mA DC Signal 1 g SR Conduit Sealing Fitting EJX Series Non Hazardous Hazardous Locations Division 2 Locations Non hazardous Location Equipment I 42 V DC Max i 4 to 20 mA DC Sealing Fitting Signal EJX Series F0205 1 EPS For CSA E60079 All wiring shall comply with local installation requirements and local electrical code In hazardous locations the cable entry devices shall be of a certified flameproof type suitable for the conditions of use and correctly installed e U
39. 2001 Flameproof for Zone 1 Ex d IIC T6 T4 Enclosure IP66 and IP67 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 Supply Voltage 42 V de max Output Signal 4 to 20 mA de Note 2 Wiring 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 2 10 IM 01C25C01 01E Note 3 Operation e WARNING AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING e WARNING WHEN AMBIENT TEMPERATURE 2 65 C USE THE HEAT RESISTING CABLES gt 90 C Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 4 Maintenance and Repair 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
40. ANSI ISA RP12 6 Installation of Intrinsically Safe Systems for Hazardous Classified Locations and the National Electric Code ANSI NFPA 70 The configuration of associated apparatus must be FMRC Approved Dust tight conduit seal must be used when installed in a Class II III Group E F or G environment Associated apparatus manufacturer s installation drawing must be followed when installing this apparatus The maximum power delivered from the barrier must not exceed I W 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 The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutual Intrinsically safe and Nonincendive Approval 2 HANDLING CAUTIONS Intrinsically Safe Hazardous Location gt Nonhazardous Location I Class I II Ill Division 1 i Groups A B C D E FF G i Class 1 Zone 0 in l Hazardous Classified i i i Locations AEx ia IIC General EJX Series Pressure Purpose Transmitters Safety Barrier Equipment e Ly I D i F0203 1 EPS Nonincendive Hazardous Location gt Nonhazardous Location I Class II Division 2 i Groups A B G D FG i Class III Division 1 I Class 1 Zone 2 Group IIC in Hazardous Classified I i y I Locat
41. INUTES BEFORE OPENING WHEN THE AMBIENT TEMP 65 C USE THE HEAT RESISTING CABLES 90 C 12G o SSO WARNING Tag plate for intrinsically safe type I IG CH EEE 11D Tag plate for type n protection No KEMA O3ATEX1544 X EEx ia IIC T4 IP66 and IP67 Tamb 50 10 60 C_ MIN Tamb 40 C for DUST MAX PROCESS TEMP Tp 120 C Ja SEH T100 C Tp 100 C T120 C Tp 120 C Ui 30V li 200MA Pi 0 9W Ci 10nF Leon a EEx nLIIG T4 IP66 and IP67 Tamb 50 to 60 C MAX PROCESS TEMP Tp 120 C Ui 30V Ci 10nF Li 0 PE ES 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 Specified 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 in 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 01C25C01 01E 2 9 4 IECEx Certification Model EJX Series pressure transmitters with optional code SU2 can b
42. RV 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 Range setting switch Push button F0708 EPS Figure 7 5 Range setting Switch 7 5 7 OPERATION IM 01025C01 01E 8 MAINTENANCE 8 MAINTENANCE 8 1 Overview A 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 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 As a rule maintenance of this transmitter should be done in a shop tha
43. Scaled Differential pressure Differential Pressure in Engineering unit Static Pressure in Engineering unit See Setting When Shipped for factory setting NORMAL OPERATING CONDITION Optional features or approval codes may affect limits Ambient Temperature Limits 40 to 85 C 40 to 185 F 30 to 80 C 22 to 176 F with LCD display Note The ambient temperature limits must be within the fill fluid operating temperature range see table 9 1 Process Temperature Limits High pressure side See table 9 1 Low pressure side 40 to 120 C 40 to 248 F Ambient Humidity Limits 0 to 100 RH Working Pressure Limits See table 9 1 For atmospheric pressure or below see figure 9 1 Table 9 1 Process temperature Ambient temperature and Working pressure Code Process temperature 2 Ambient temperature 3 Working pressure Silicone oil 10 to 250 C 4 10 to 85 C high temperature use A 14 to 482 F 14 to 185 F De GE S Silicone oil a 40 to 120 C 40 to 85 C Me geg Ss general use 40 to 248 F 40 to 185 F ge raung p 100 kPa ab Plopylene glycol P JUG 120 C ese Me 14 to 248 F 14 to 185 F to flange rating pressure 1 See figure 9 1 Working Pressure and Process Temperature T0902 EPS 2 Indicates high pressure side value The process temperature limit for low pressure side is 40 to 120 C 40 to 248 F 3 This ambient temperature is the transm
44. TIONS re Size Flange connection style 3inch JIS 10K 20K Flush type Sach ANSI Class 150 300 1 Veiinch JPI Class 150 300 DIN PN10 16 25 40 JIS 10K 20K Extended type 4 inch ANSI Class 150 300 3 inch JPI Class 150 300 DIN PN10 16 25 40 Flushing connection rings are always attached Low pressure side Threaded See MODEL AND SUFFIX CODES Gasket Contact Surface See the following table Table 9 3 Gasket contact surface T0903 EPS Flange JIS JPI DIN ANSI SW SW SE HW SE HW Wetted parts material code WW tw ww Tw WE WE Gasket contact Serration Surface Flat No serration e Applicable Not applicable 1 ANSI B16 5 Electrical Connections See MODEL AND SUFFIX CODES Wetted Parts Material High pressure side 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 Low pressure side Diaphragm Cover Flange Process Connector Capsule Gasket and Vent Drain plug Refer to MODEL AND SUFFIX CODES Process connector gasket PTFE Teflon T0904 EPS 9 GENERAL SPECIFICATIONS Non wetted Parts Material Process Flange Refer to MODEL AND SUFFIX CODES Bolting ASTM B7M carbon steel 316 SST ISO A4 70 stainless st
45. a for 80 to 0 kPa for 0 to 3000 kPa for 80 to 0 kPa for 0 to 130 kPa abs a pressure range close to that of the transmitter Accuracy 0 05 of F S Model 7674 pneumatic pressure standard for 200 kPa 2 kgf cm 25 kPa 2500 mmH O Requires air pressure supply Pressure generator Dead weight gauge tester 25 kPa 2500mmH 0O Accuracy 0 03 of setting Select the one having a pressure range close to that of the transmitter Model 6919 pressure regulator pressure pump Pressure Pressure range 0 to 133 kPa 1000 mmHg source Prepare the vacuum pump for negative pressure ranges T0801 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 instrument was purchased or the nearest Yokogawa office Terminal box Load resistance Power 250 Q we Wy I supply Rc R Load adjusting resistance 100 Q Digital voltmeter Model MT220 Mating calibration Model 7674 pneumatic precision flange pressure standards digital manometer C Note
46. 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 AN 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 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 o
47. ameproof 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 Load Output signal code D and E 0 to 1290 Q for operation 250 to 600 for digital communication Communication Requirements Safety 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 L 65 X 106 C 10 000 RX C 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 2064 IM 01C25C01 01E Process connections High pressure side Flange connected See the following table Table 9 2 Flange size and rating PHYSICAL SPECIFICA
48. ange size 2 inch 50mm Flange material JIS S25C JIS SUS304 JIS SUS316 Gasket contact surface Serration for ANSI flange with wetted parts material WW only Flat no serration Wetted parts material high pressure side Diaphragm Hastelloy C 276 7 Hastelloy C 276 7 Tantalum Others JIS SUS316 Hastelloy C 276 7 Tantalum Flushing connection ring 2 Ring None Straight type Straight type Drain Vent plugs Material JIS SUS316 JIS SUS316 R 1 4 connections 6 1 4 NPT connections Extension None Fill fluid Process temperature For high temperature use Silicone oil 10 to 250 C 4 5 For general use Silicone oil 40 to 120 C For sanitary use Propylene glycol 10 to 120 C Ambient temperature 10 to 85 C 40 to 85 C 10 to 85 C Option codes JC Optional specification The 7 marks indicate the most typical selection for each specification Example EJX210A DMS5G 912NN WA12B1WW00 B lt l D Ki The process temperature limit for low pressure side is 40 to 120 C ZA Sa Z SE See Table 9 3 Gasket contact surface on Page 9 3 When specified flushing connection ring code A or B exclusive gasket is provided for transmitter side Indicates the process temperature limit of high pressure side The distance S is extended in 30mm In case of wetted par
49. awa Electric Corporation is prohibited and will void KEMA Intrinsically safe Certification Note 5 Special Conditions for Safe Use 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 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 gt Nonhazardous Location I i Transmitter GCs PEER Safety Barrier 1 a F0204 EPS 1 In any safety barriers used the output current must be limited by a resistor R such that Imaxout Uz R b CENELEC ATEX KEMA Flameproof Type Caution for CENELEC ATEX KEMA flameproof type Note 1 Model EJX Series differential gauge and absolute pressure transmitters with optional code KF2 for potentially explo sive atmospheres e No KEMA 03ATEX2570 Applicable Standard EN 50014 EN 50018 EN 50281 1 1 2 7 IM 01C25C01 01E Type of Protection and Marking Code EEx d IIC T6 T4 e Group II e Category 2G 1D Temperature Class T6 T5 and T4 Enclosure IP66 and IP67 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 Maximum Surface Temperature for dust proof T80 C Tamb 40 to 40 C T
50. awa 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 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 01C25C01 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 spr
51. connections gt JIS SUS316 Dee Reducer type 1 4 NPT connections JIS SUS316 Extension 0 None Fill fluid Process Ambient temperature 3 temperature A For high temperature use Silicone oil 10 to 250 C 4 10 to 85 C S For general use Silicone oil 40 to 120 C 40 to 85 C P For sanitary use Propylene glycol 10 to 120 C 10 to 85 C Option codes JC Optional specification The e marks indicate the most typical selection for each specification Example EJX210A DMS5G 912NN WA18B1WW00 B 1 See Table 9 3 Gasket contact surface on Page 9 3 2 When specified flushing connection ring code C or D exclusive gasket is provided for transmitter side S 3 Indicates the process temperature limit of high pressure side The process temperature limit for low pressure side is 40 to 120 C 4 The distance S is extended in 30mm 5 Not applicable for gasket contact surface code 1 6 Hastelloy C 276 or N10276 e 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 9 7 T0908 EPS IM 01025C01 01E ll Flange mounting section Extended type Process flange size 4 inch 100mm 9 GENERAL SPECIFICATIONS
52. d to carry out installation unless they meet this condition 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 All installation shall comply with local installation requirements and the local electrical code b Wiring 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 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 10 min after the power is turned off before opening the covers IM 01C25C01 01E d Maintenance e Please carry out only the maintenance procedures described in this manual If you require further assistance please contact the nearest Yokogawa office e Care should be taken to prevent the build up of du
53. 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 descriptions for stainless steel housing Add amplifier housing code 2 Add code of SU2 Add note for amplifier housing code 2 IM 01C25C01 01E
54. e 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 Applicable Standard IEC 60079 0 2000 IEC 60079 11 1999 IEC 60079 15 2001 Ex ia IIC T4 Ex nL IC T4 e Ambient Temperature 50 to 60 C e Max Process Temp 120 C e Enclosure IP66 and IP67 Note 2 Entity Parameters Intrinsically safe ratings are as follows Maximum Input Voltage Vmax Ui 30 V Maximum Input Current Imax li 200 mA Maximum Input Power Pmax Pi 09 W Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 HH Type n ratings are as follows Maximum Input Voltage Vmax Ui 30 V Maximum Internal Capacitance Ci 10 nF Maximum Internal Inductance Li 0 uH Instal
55. e the its shape 3 Affix the teflon film over the diaphragm and gasket area 4 Next carefully inspect the cover and try to identify any entrapped air between the dia phragm 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 Sy Teflon film Fluorinated oil d PART No F9145YN Diaphragm Gasket area PART No Prosess Flange size F9347XA 3 inch 80mm F9347YD 2 inch 50mm F0406 EPS Figure 4 6 Affixing the Teflon Film IM 01025C01 01E 5 INSTALLING IMPULSE PIPING 5 INSTALLING IMPULSE PIPING 5 1 Impulse Piping Installation Precautions The impulse piping that connects the process outputs to the transmitter must convey the process pressure accurately If for example gas collects in a liquid filled impulse line or the drain of a gas filled impulse line becomes plugged it will not convey the pressure accurately Since this will cause errors in the measure ment output select the proper piping method for the process fluid gas liquid or steam Pay careful attention to the following points when routing the impulse piping and connecting the impulse piping to a transmitter 5 1 1 Connecting Impulse Piping to the Transmitter 1 C
56. eaks paying particular attention to connections for impulse piping pressure detector section etc Is zero point adjusted correctly YES Adjust the zero point Contact Yokogawa service personnel F0807 EPS 8 MAINTENANCE Large output error Connect BRAIN TERMINAL and check self diagnostics Does the self YES diagnostic indicate problem location NO Refer to error message summary in each communication manual to take actions Are valves opened or NO closed correctly YES Fully open the low pressure valve Is impulse piping NO connected correctly YES Refer to individual model user manuals and connect piping as appropriate for the measurement purpose Are power supply NO voltage and load resistance correct YES Refer to Section 6 6 for rated voltage and load resistance Is transmitter installed where there is marked variation in temperature Provide lagging and or cooling or allow adequate ventilation NO Were appropriate instruments used for calibration Refer to Section 8 2 when selecting instruments for calibration i NO Is output adjusted correctly Adjust the output Contact Yokogawa service personnel F0808 EPS 8 6 IM 01C25C01 01E 8 5 3 Alarms and Countermeasures Table 8 3 Alarm Message Summary 8 MAINTENANCE Indicator Cause Output Ope
57. ed 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 AN CAUTION This instrument has been tested and certified as being intrinsically safe or explosionproof Please note that severe restrictions apply to this instrument s construction installation external wiring maintenance and repair A failure to abide by these restrictions could make the instrument a hazard to operate AA 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 A WARNING The range setting switch must not be used in a 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 Intr
58. ee Seal fitting beta wiring impregnate the fitting with a compound to seal tubing F0610 EPS Drain plug Figure 6 10 Typical Wiring Using Flameproof Metal Conduit 6 WIRING 6 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 100 or less Ground terminals are located on the inside and outside of the terminal box Either of these terminals may be used lf Ground terminal inside Ground terminal outside FO611 EPS Figure 6 11 Ground Terminals 6 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 EET External R 105 Vi Communication load 0 0244 applicable range resistance BRAIN and HART R 9 SE 250 JD bes aves eee SEE ASSER A 1 1 1 1 H 1 1 1 1 1 j 1 1 1 r 1 1 H 1 1 1 1 H 1 1 1 1 0 10 5 16 6 25 2 42 Power supply voltage E V DC F0612 EPS Figure 6 12 Relationship between Power Supply Voltage and External Load Resistance IM 01025C01 01E 7 OPERATION 7 OPERATION 7 1 Preparation for Starting Operation The
59. eel 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 Cover O rings Buna N Name plate and tag 304 SST Fill Fluid Silicone oil Plopylene glycol Fluorinated oil optional Weight Flush type 3 inch ANSI Class150 flange without integral indica tor and process connector General use fill fluid code B or P 9 5 kg 21 0 Ibs High temperature use fill fluid code A 10 2 kg 22 5 Ibs Extended type 4 inch ANSI Class150 flange extension length X2 100 mm without integral indicator and process connector General use fill fluid code B or P 14 9 kg 32 9 Ibs High temperature use fill fluid code A 15 6 kg 34 4 Ibs Add 1 5 kg 3 31b for amplifier housing code 2 IM 01C25C01 01E 9 2 MODEL AND SUFFIX CODES Instruction 9 GENERAL SPECIFICATIONS The model and suffix codes for EJX210A consist of two parts a transmitter body section I and a flange mounting section ID This specification sheet introduces these two parts separately The transmitter body section is shown in one table and the flange mounting section specifications are listed according to the flange size and the process connection style First select the model and suffix codes of transmitter body section and then continue on one of the flange mounting section
60. es na sua lingua relacionadas com produtos Ex dever entrar em contacto com a delega o mais pr xima ou com um representante da Yokogawa E 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 gt Alle Betriebsanleitungen f r ATEX Ex bezogene Produkte stehen in den Sprachen Englisch Deutsch und Franz sisch zur Verf gung Sollten Sie die Betriebsanleitungen f r Ex Produkte in Ihrer Landessprache ben tigen setzen Sie sich bitte mit Ihrem rtlichen Yokogawa Vertreter in Verbindung gt Alla instruktionsb cker f r ATEX Ex explosionss kra produkter r tillg ngliga p 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 Oha ta eyxerpidua Merrovpyias Twv TPOLOVTMV pe ATEX Ex ratihevrar otra Ayyik leppavik kar Ford Le nepintwon Tov yper eorte o8nyles oXETLKa pe Ex rm Tome Y OTTU TAPAKAAOVLE ETLKOLVOVNOTE LE TO TAMOLETTEPO ypageio Ts Yokogawa 0 AVTUTPOTWTO TNS IM 01C25C01 01E 2 HANDLING CAUTIONS 2 HANDLING CAUTIONS This chapter provides important information on how to handle the transmitter Read this carefully before using the transmitter EJX Series
61. essure side pressure detector section as shown in e For changing the integral indicator direction Figure 4 4 the transmitter must be removed to a non At the factory shipment the flushing connection ring is hazardous area already assembled and attached to high pressure side process detector section An integtal indicator can be installed in the following three directions Refer to subsection 8 4 for attaching Pressure detector section and removing the integral indicator F0403 EPS Figure 4 3 Integral Indicator Direction Groove for installing spiral gasket View from pressure detector section side F0404 EPS Figure 4 4 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 2 IM 01C25C01 01E 4 5 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 be procured by the customer Spiral gasket Mating flange Ring Sea I Diaphragm ES Gasket NS Pressure detector section
62. heck the High and Low Pressure Connec tions on the Transmitter Figure 5 1 The letters H and L on the capsule assembly indicate the high and low pressure sides For liquid level measurement in an open tank the low pressure side measures atmospheric pressure For a closed tank connect the impulse line to the low pressure side of the transmitter to measure the pressure in the tank Hand L appear here Low pressure connection Process connector Bolt F0501 EPS Figure 5 1 Hand L Symbols on a Capsule Assembly 2 Tightening the Process Connector Mount ing Bolts After connecting the impulse line tighten the process connector mounting bolts uniformly 3 Removing the Impulse Piping Connecting Port Dustproof Cap The impulse piping connecting port of the transmitter is covered with a plastic cap to keep out dust This cap must be removed before connecting the line Be careful not to damage the threads when removing this cap Never insert a screwdriver or other tool between the cap and port threads to remove the cap 5 1 2 Routing the Impulse Piping 1 Impulse Piping Slope The impulse piping must be routed with only an upward or downward slope Even for horizontal routing the impulse piping should have a slope of at least 1 10 to prevent condensate or gases from accumulating in the pipes 2 Preventing Freezing If there is any risk that the process fluid in the impulse piping or transmitter could
63. ica 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 option 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
64. ication error Faulty wiring F0702 EPS Using the integral indicator e If the wiring system is faulty the display stays blank If the transmitter is faulty an error code is displayed Self diagnostic error on the integral indicator Faulty transmitter F0703 EPS A NOTE If any of the above errors are indicated on the display of the integral indicator or the communi cator refer to subsection 8 5 3 for corrective action IM 01C25C01 01E E 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 01C25T01 OLE or 01C25T03 01E 7 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 screw For the communicator procedure see the communication manual A IMPORTANT Do not turn off the power to the transmitter immediately after performing a zero point adjust
65. idity 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 chambers inside the cover flanges and the diaphragm surface of high pressure detector section so that there is no process fluid remaining inside or on it Before placing it in storage also make sure that the pressure detector is securely connected to the transmitter section IM 01C25C01 01E 2 4 Selecting the Installation Location The transmitter is designed to withstand severe environmental conditions 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 s
66. ified 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 Display Range 0 to 25MPa for M and H capsule Display unit is selectable from the units listed in above Calibration Range Units T0914 EPS 1 For differential pressure transmitters only 2 To specify these items at factory CA or CB option is required SUPPLY Power supply and output terminal CHECK External indicator ammeter terminal or or Status contact output Terminal AARM when AL is specified a gt 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 F0911 EPS 9 14 IM 01C25C01 01E REVISION RECORD Title EJX210A Flange Mounted Differential Pressure Transmitters Manual No IM 01C25C01 01E Edition Revised Item Oct 2004 New publication Feb 2005 2 5 Add 2 9 2 CSA Certification 2 6 9 Delete WARNING on non incendive power supply 9 5 to 9 7 Correct description Rc 1 4 gt R 1 4 9 10 Add codes for CSA approval July 2006 2 3 Add note for Fieldbus communication 2 3 through 2 19 Add change applicable standards 2 6 Add
67. ing 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 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 warranty of merchantability and fitness for a particular purpose If any question arises or errors are found or if any information is missing from this manual please inform the nearest Yokogawa sales office The specifications covered by this manual are limited to those for the standard type under the specified model number break down and do not cover custom made instruments 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
68. insically 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 0 in Hazardous Locations AEx ia IIC Nonincendive for Class I Division 2 Groups A B C amp D Class II Division 2 Groups F amp G and Class III Division 1 Class I Zone 2 Groups IIC in Hazardous Locations e Outdoor hazardous locations NEMA 4X Temperature Class T4 e Ambient temperature 60 to 60 C IM 01C25C01 01E Note 2 Entity Parameters 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 200 mA La gt 0 uH 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 Entity Installation Requirements Vmax gt Voc or Uo or Vt Imax gt Isc or Io or It Pmax or Po lt Pi Ca or Co Ci Ccable La or Lo 2 Li Leable Note 3 Installation 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 de Installation should be in accordance with
69. ion code K1 2K K5 and K6 12 Applicable for flushing connection ring code 0 13 Check terminals cannot be used when this option is specified Not applicable for output signal code F and amplifier housing code 2 14 The unit on the certificate is always MPa regardless of selection of option code D1 D3 or D4 9 11 IM 01C25C01 01E 9 GENERAL SPECIFICATIONS 9 4 DIMENSIONS Flush type e No ring Flushing connection ring code 0 External indicator conduit connection Unit mm Approx inch eit optional Integral indicator optional 6 5 0 24 ka 5 AB Le 2 Conduit connection HIE t 2 64 Zero adjustment gt Terminal side Electrical connection for code 5 and 9 a Q B S el GIE 2s S R Process connection 2 N 3983 Ground terminal Kei 41 Lt Process connector D 1 61 optional Process flange N Shrouding bolt for flame proof type e With ring Flushing connection ring code A B C and Di Exte nal indicator conduit connection 2 Integral indicator optional optional Conduit connection 9 Terminal side Flushin SR connection ring 3 I 41 gt FN 181 LEN Process flange for flame proof type Drain vent plug Extended type External indicator Conduit connection optional Integral indicator optional
70. ions i General EJX Series Pressure Purpose Transmitters Equipment i LOL Supply Not Use i Safety Barrier 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 Applicable Standard FM3600 FM3615 FM3810 ANSI NEMA 250 Explosionproof for Class I Division 1 Groups B C and D e Dust ignitionproof for Class I III Division 1 Groups E F and G Enclosure rating NEMA 4X Temperature Class T6 e Ambient Temperature 40 to 60 C Supply Voltage 42 V de max Output signal 4 to 20 mA Note 2 Wiring e All wiring shall comply with National Electrical Code ANSI NFPA70 and Local Electrical Codes e When installed in Division 1 FACTORY SEALED CONDUIT SEAL NOT REQUIRED Note 3 Operation Keep the WARNING nameplate attached to the transmitter IM 01C25C01 01E WARNING OPEN CIRCUIT BEFORE REMOV ING COVER FACTORY SEALED CONDUIT SEAL NOT REQUIRED INSTALL IN ACCOR DANCE WITH THE USERS MANUAL IM 01C25 Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 4 Maintenance and Repair The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutua
71. ite 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 AN WARNING e Never loosen the process connector and 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 uncon trolled release of process fluid e When draining toxic process fluids that have condensed inside the pressure detector take appropriate steps to prevent the contact of such fluids with the skin or eyes and the inhalation of vapors from these fluids The following precautions must be observed in order to safely operate the transmitter under pressure a Make sure that all the process connector bolts are tightened firmly b Make sure that there are no leaks in the impulse piping C Never apply a pressure higher than the specified maximum working pressure 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 6 8 6 9 and 6 10 2 7 Restrictions on Use of Radio Transceivers A IMPORTANT Although the transmitter has been designed to resist high frequency electrical noise if
72. itter ambient temperature 4 In case of wetted parts material code TW Tantalum process temperature limit is up to 200 C 392 F IM 01025C01 01E Process temperature for fill fluid code B Transmitter ambient Process temperature temperature range for fill fluid code A for fill fluid code B LI au xA Flange max working pressure 100 14 5 l Atmospheric pressure Working pressure kPa abs psi abs I 10 1 4 2 7 0 38 1 0 14 50 0 50 100 150 200 250 300 58 32 122 212 302 392 482 572 Process Temperature C F F0901 EPS Figure 9 1 Working Pressure and Process Temperature Fill fluid silicone oil for general and high 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 p E 10 5 0 0244 Digital External Communication load range resistance BRAIN and HART 250 bh i R 9 Fe I p e f i i l 10 5 16 6 25 2 42 Power supply voltage E V DC F0902 EPS Figure 9 2 Relationship Between Power Supply Voltage and External Load Resistance 9 GENERAL SPECIFICATIONS Supply Voltage 10 5 to 42 V DC for general use and fl
73. l 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 safe type Following contents refer to DOC No ICS013 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 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 Intrinsically Safe for Class I Division 1 Groups A B C amp D Class II Division 1 Groups E F amp G Class III Division 1 Nonincendive for Class I Division 2 Groups A B C amp D Class II Division 2 Groups E F amp G Class III Division 1 2 HANDLING CAUTIONS Enclosure Type
74. lation Requirements Uo lt Ui Io lt Ii Po lt Pi Co gt Ci Ccable Lo Li Lcable Voc lt Vmax Isc lt Imax Ca Ci Ccable La Li Leable Uo Io Po Co Lo Voc Isc Ca and La are parameters of barrier Note 3 Installation In any safety barreir used output current must be limited by a resistor R such that Io Uo R The safety barrier must be IECEx certified 2 HANDLING CAUTIONS Input voltage of the safety barrier must be less than 250 Vrms Vdc 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 I i I i General i i EJX Series Pressure IECEx certified Purpose Transmitters Safety Barrier Equipment L 54 1 oo roy i 1 Ho lik F0213 1 EPS type n gt Nonhazardous Location I Hazardous Location Group IIC Zone 2 EJX Series Pressure I I I IECEx Certified Transmitters Equipment nL Supply 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 Applicable Standard IEC60079 0 2000 IEC60079 1
75. ly open the vent screw to vent gas from the transmitter pressur detector section See Figure 7 2 2 When the transmitter is completely vented close the vent screw 3 Tighen the vent screw to a torque of 10 N m 1 kgf m Vent screw When you loosen the drain plug or the vent screw the accumulated liquid or gas will be expelled in the direction of the arrow F0705 EPS Figure 7 2 Draining Venting the Transmitter IM 01C25C01 01E 7 5 3 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 kgf m When you loosen the drain screw the accumulated liquid or gas will be expelled in the direction of the arrow CD D FU Ei q I H d Ss ee f Jul SE HH FS EN E Drain screw 1 F0706 EPS Figure 7 3 Draining for Flushing Connection Ring 7 5 4 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 Vent screw 4 When you loosen the vent screw the accumulated liquid or drain will be expelled in the direction of the arrow
76. n Figure 4 1 The mating flange gasket stud bolts and nuts are to be procured by the customer Gasket F0401 EPS Figure 4 1 Transmitter Mounting 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 9 4 Dimen sions 4 3 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 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 Rotate 180 segments Conduit connection Pressure detector section F0402 EPS Figure 4 2 Rotating Transmitter Section IM 01C25C01 01E 4 INSTALLATION 4 4 Changing Integral Indicator 4 5 Mounting the Flushing Con Direction nection Ring 4 5 1 Mounting to Pressure Detector A IMPORTANT Section Always turn OFF power and shut off and The flushing connection ring is mounted to high release pressures before disassembly pr
77. ndards for details 9 4 TO905 EPS IM 01025C01 01E ll Flange mounting section Flush type Process flange size 3 inch 80mm 9 GENERAL SPECIFICATIONS H F0905 EPS Model Suffix codes Description EJX210A I M I Transmitter body section I Process connection style Flush type Flange rating JIS 10K JIS 20K ANSI class 150 ANSI class 300 JPI class 150 JPI class 300 DIN PN10 16 DIN PN25 40 Flange size 3 inch 80mm Flange material JIS S25C JIS SUS304 JIS SUS316 Gasket contact surface Serration for ANSI flange with wetted parts material SW only Flat no serration Wetted parts material high pressure side Diaphragm JIS SUS316L Hastelloy C 276 7 Tantalum Others JIS SUS316 Hastelloy C 276 7 Tantalum Flushing connection ring 2 Ring None Straight type Straight type Drain Vent plugs Material JIS SUS316 JIS SUS316 R 1 4 connections 1 4 NPT connections Extension None Fill fluid Process Ambient temperature 3 For high temperature use Silicone oil 10 to 250 C 5 For general use Silicone oil 40 to 120 C For sanitary use Propylene glycol 10 to 120 C temperature 10 to 85 C 40 to 85 C 10 to 85 C Option codes JC Optional specification The sx
78. ntennn 6 1 6 3 Connections of External Wiring to Terminal Bos 6 1 6 3 1 Power Supply Wiring Connection uurrrrnnnnrrnnnnrrrnnnnvnnrnrrrennnnnnnnr 6 1 FD No IM 01C25C01 01E j IM 01C25C01 01E 3rd Edition July 2006 YK CONTENTS CONTENTS All Rights Reserved Copyright 2004 Yokogawa Electric Corporation CONTENTS 6 3 2 External Indicator Connection c ccceeseeeeeeeeeeeeeeeeeeeeeseeeeeeneees 6 1 6 3 3 Communicator Connection sssseesseeesseeesetsrissriresrrssirnesrnssnnnt 6 1 6 3 4 Check Meter Connection 0 cccceececeeeeteeceeeeeeeseaeeseeeeeessaeeeteneees 6 2 6 3 5 Status Output Connection cece eceeeeeeeeeeeeeeeaeeeeeeeeeseaeeneneees 6 2 6 4 WINING ssi ee eel Sonar a eae ESS 6 2 6 4 1 Loop Configuration cccceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeseeeeeettaeeeteneees 6 2 1 General use Type and Flameproof Type sssssssssssnnsssssnnssseenneeena 6 2 2 lIntrinsically Safe Type rannrnnnnnvrnnnnrrnnnnnnvnnnrrrnnnnnvnnenrreennnrnnennnne 6 2 6 4 2 Wiring Installation ssssrnnroonnrrrnnrrnnnrrnnnnonnrrrnnnnrnnrrennnrnnnrrnnnrrnnnnn 6 2 1 General use Type and Intrinsically Safe Type rrrrrrnnrrrrnrrnnnrn 6 2 2 Flameproof TYDE sestrski era EE EEEE EE 6 3 6 5 Grounding EE 6 3 6 6 Power Supply Voltage and Load Hesietance 6 3 Te OPERATION use 7 1 7 1 Preparation for Starting Operation srrearnrrrnnnnvnnrvrrrvnnnrnnrrrrrrnnnrnnnennn 7 1 7 2 Zero Poin
79. nused apertures shall be closed with suitable flameproof certified blanking elements The plug attached is flameproof certified Note 3 Operation 2 6 e WARNING AFTER DE ENERGIZING DELAY 5 MINUTES BEFORE OPENING APRES POWER OFF ATTENDRE 5 MINUTES AVANT D OUVRIR IM 01C25C01 01E e WARNING WHEN AMBIENT TEMPERATURE 2 65 C USE THE HEAT RESISTING CABLES gt 90 C QUAND LA TEMPERATURE AMBIANTE gt 65 C UTILISEZ DES CABLES RESISTANTES A LA CHALEUR 2 90 C Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 4 Maintenance and Repair The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation and Yokogawa Corporation of America is prohibited and will void Canadian Standards Explosionproof 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
80. og kan De rette henvendelse herom til den n rmeste Yokogawa afdeling eller forhandler CD Tutti i manuali operativi di prodotti ATEX contrassegnati con Ex sono disponibili in inglese tedesco e francese Se si desidera ricevere i manuali operativi di prodotti Ex in lingua locale mettersi in contatto con l ufficio Yokogawa pi vicino o con un rappresentante Ce Todos los manuales de instrucciones para los productos antiexplosivos de ATEX estan disponibles en ingl s aleman 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 GD Alle handleidingen voor producten die te maken hebben met ATEX explosiebeveiliging Ex zijn verkrijgbaar in het Engels Duits en Frans Neem indien u aanwijzingen op het gebied van explosiebeveiliging nodig hebt in uw eigen taal contact op met de dichtstbijzijnde vestiging van Yokogawa of met een vertegenwoordiger 1 INTRODUCTION Le Kaikkien ATEX Ex tyyppisten tuotteiden k ytt hjeet ovat saatavilla englannin saksan ja ranskankielisin Mik li tarvitsette Ex tyyppisten tuotteiden ohjeita omalla paikallisella kielell nnne ottakaa yhteytt l himp n Yokogawa toimistoon tai edustajaan lt gt Todos os manuais de instru es referentes aos produtos Ex da ATEX est o disponiveis em Ingl s Alem o e Franc s Se necessitar de instru
81. ompletes the LRV setting 6 Press the range setting push button The integral indicator then displays URV SET 7 Apply a pressure of 50 kPa to the transmitter or 8 Turn the external zero adjustment screw in the desired direction The integral indicator displays the output signal in Ne 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 IM 01025C01 01E Note 1 Note 2 A Wait until the pressure inside the pressure detector section has stabilized before proceeding to the next step 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 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 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 L
82. on Turn off the power A NOTE Whenever shutting down the transmitter for a long period detach the transmitter from the tank 7 5 Venting or Draining Transmit ter Pressure detector Section Since this transmitter is designed to be self draining and self venting with vertical impulse piping connec tions neither draining nor venting will be required if the impulse piping is configured appropriately for self draining or self venting operation 7 OPERATION If condensate or gas collects in the transmitter pressure 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 transmitter to completely drain vent any stagnated 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 7 5 1 Draining Condensate 1 Gradually open the drain plug and drain the transmitter pressure detector section See Figure 7 2 2 When all accumulated liquid is completely re moved close the drain plug Tighten the drain plug to a torque of 34 to 39 N m 3 5 to 4 kgf m 3 wm 7 5 2 Venting Gas 1 Gradual
83. oof for Class Division 1 Groups B C and D Dust ignitionproof for Class II III Division 1 Groups E F and G FFA Hazardous classified locations indoors and outdoors NEMA 4X Factory Mutual FM FM Intrinsically safe Approval 1 3 Intrinsically Safe for Class I Division 1 Groups A B C and D Class II Division 1 Groups E F and G and Class III Division 1 Hazardous Locations FS1 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 FU1 CENELEC ATEX KEMA Flameproof Approval 1 KF2 II 2G EExd IIC T4 T5 T6 CENELEC ATEX CENELEC ATEX KEMA Intrinsically safe Approval 1 3 II 1G EEx ia IIC T4 KS2 Combined KF2 KS2 and Type n 1 3 Type n II 3G EEx nL IIC T4 KU2 CSA Explosionproof Approval 2 For CSA C22 2 Canadian Standards Explosionproof for Class I Division 1 Groups B C and D Association CSA Dustignitionproof for Class II III Division 1 Groups E F and G CF1 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 Class I Division 1 Groups A B C and D Class II Division 1 Groups E F and G Class Ill Division 1 CS1 Nonincendive for Class I Division 2 Groups A B C and D Class II Division 2 Groups E F and G Class Ill Division 1 For CSA E60079 Ex ia IIC T4 Ex nL IIC T4 Combined CF1 and CS1 2
84. oof glands 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 F0608 EPS Figure 6 8 Typical Wiring Using Flexible Metal Conduit 6 2 IM 01C25C01 01E 2 Flameproof Type Wire cables through a flameproof packing adapter or use a flameproof metal conduit MWiring cable through flameproof packing adapter Apply a non hardening sealant to the terminal box connection port and to the threads on the flameproof packing adapter for waterproofing Flameproof packing adapter Flexible metal conduit Wiring metal conduit Apply a non hardening sealant to the threads for waterproofing Tee Drain plug F0609 EPS Figure 6 9 Typical Cable Wiring Using Flameproof Packing Adapter MFlameproof metal conduit wiring seal fitting must be installed near the terminal box connection port for a sealed construction 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 al Hazardous area Gas sealing device Flameproof flexible metal conduit Apply a non hardening sealant to the threads of these fittings for waterproofing Flameproof heavy gauge steel conduit T
85. p 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 Supply voltage 42 V de max Output signal 4 to 20 mA Note 3 Installation e All wiring shall comply with local installation requirements 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 CABLES290 C Take care not to generate mechanical sparking when accessing to the instrument and peripheral devices in a hazardous location Note 5 Maintenance and Repair 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 2 HANDLING CAUTIONS The installation must
86. ration Countermeasure during Error None AL 01 Sensor problem Outputs the signal Hold Replace capsule when error CAP ERR High or Low set with keeps appearing even parameter after restart Capsule temperature sensor problem Capsule EEPROM problem AL 02 Amplifier temperature sensor problem Outputs the signal Hold Replace amplifier AMP ERR Amplifier EEPROM problem High or Low set with Amplifier problem parameter AL 10 Input is outside measurement range limit 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 36 1 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 71 TMP
87. s 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 8 4 Disassembly and Reassembly for details e Plug and seal an unused conduit connection 6 2 Se eenma 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 resistant 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 6 3 Connections of External Wiring to Terminal Box 6 3 1 Power Supply Wiring Connection Connect the power supply wiring to the SUPPLY and
88. st 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 e 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 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 Yokog
89. t Adjustment errnnrrrnnnnonnrrnnnnnnnnrrnnrnnnnrrrnnrrnnnrrnnnrensrrrensrennnn 7 2 7 3 Starting Operation rsrrnnannvnnovrrvnnnnvennorrennnnrnnnenrenernrnnnnnnenersrressnnnnerenn 7 3 7 4 Shutting Down Operation ennrrnnnnnvnnenvrvnnnnrnnnnnrnnrnnrnnnnnnnnnerrrennnnnnnennn 7 3 7 5 Venting or Draining Transmitter Pressure detector Section 7 3 7 5 1 Draining Condensate sseeeeseeeeeeeeeeeeieerenesinresinessrnnsnnesrn rennene 7 3 ZZ Venting Gas eee aah ira ia e A a aS 7 3 7 5 3 Draining Condensate for Flushing Connection Ping 7 4 7 5 4 Venting Gas for Flushing Connection Ring rrrrrronrrrrrvrrnnrnvrnernr 7 4 7 6 Setting the Range Using the Range setting Switch rrrrnnrrrrrrrnnnrn 7 4 8 MAINTENANCE EN 8 1 8 1 OVOWVIOW EE 8 1 8 2 Calibration Instruments Selection rrnrnnrrnnonvnnnnnrrnnnnvnnrnnrrvnnnnnnnennne 8 1 CO ele e EE 8 1 8 4 Disassembly and Reassembly AAA 8 3 8 4 1 Replacing the Integral Indicator sseeseeeeessseessssrrreseeerrssrrensssns 8 3 8 4 2 Replacing the CPU Board Assembly eeeeeeeeeeesenesrreeenne 8 4 8 4 3 Replacing the Process Connector Gasket 8 4 8 5 TTOUBDIGSNOOUNG anae eE eee esd et eee 8 5 8 5 1 Basic Troubleshooting A 8 5 8 5 2 Troubleshooting Flowcharts AAA 8 5 8 5 3 Alarms and Countermeasures mrrrrrnnnnnrnnnrrrrnnnnrnnnrnvennrrrrenennnnnr 8 7 9 GENERAL SPECIFICATIONS rrrrrnnnnnnnnnnnnnnnnnnnnnnnnnvevevevevevevennnenennnnnnnnnnnnnnnn 9 1
90. t 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 8 2 Calibration Instruments Se lection Table 8 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 8 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 8 1 and warm up the instruments for at least five minutes A IMPORTANT e To adjust the transmitter for highest accuracy make adjustments with the power supply voltage and load resistance including leadwire resistances set close to the conditions under which the transmitter is installed 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
91. 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 process connector 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 Process connector Bolt Process connector gasket F0201 EPS Figure 2 1 Transmitter Mounting Hardware 2 1 Model and Specifications Check The model name and specifications are written on the name plate attached to the case lo o F0202 EPS Figure 2 2 Name Plate 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 hum
92. ts material code TW Tantalum the process temperature limit is 10 to 200 C Not applicable for gasket contact surface code 1 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 T0907 EPS 9 6 IM 01C25C01 01E 9 GENERAL SPECIFICATIONS ll Flange mounting section Flush type Process flange size 1 1 2 inch 40mm p F0907 EPS Model Suffix codes Description EJX210A 1 1 ee Transmitter body section 1 Process connection style EE Flush type Flange rating AE JIS 10K H LG EEE JIS 20K AA soins Sica Spa aes EN ANSI class 150 Wu dria Rea a ene as ANSI class 300 Pl tess sete isete s JPI class 150 P2isssasiasasebeass JPI class 300 Flange size Bee eee cece eaee 1 1 2 inch 40mm Flange material A JIS S25C EE JIS SUS304 Corsa esiosa JIS SUS316 Gasket contact surface Serration for ANSI flange only Qe reece ene Flat no serration Wetted parts material Diaphragm Others high pressure side WWW Hastelloy C 276 6 JIS SUS316 Flushing connection ring 2 Ring Drain Vent plugs Material x Dan sug erg None x OE Reducer type R 1 4
93. uding Bolt Shrouding Bolt g F0802 EPS Figure 8 2 Shrouding Bolts 8 MAINTENANCE 8 4 1 Replacing the Integral Indicator A 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 It 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 8 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 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 Press forward ero ei ef adjustment switch ng Integral Ma Deg a indicator ei E mee CPU assembly NY Bracket AM for zero adjustment Screw pin Zero adj
94. ure Equipment Directive PED rrrnrnnnnnnnnnnnrnnnnnnrnnrnnnnrrnnnnnen 2 11 2 12 Low Voltage Directive 0 ec ceeeeeeeeeeeeeeeeenaeeeeeeeeaeeeeeeeaaeeeeeeeaees 2 11 3 COMPONENT NAMES sisccscccissivviettdeienseatanies cupiutiamsatandsetiadanuiaeusecmeanenoaneedurns 3 1 4 INSTALLATION sos 4 1 GG We 4 1 AZ Mounting vansen item etc eee leben REESEN ENEE 4 1 4 3 Rotating Transmitter Section raannrnnnnvrnnnnnvnnrnrrennnnrnnnenrenerrrrnnenneneenr 4 1 4 4 Changing Integral Indicator Direction uarnrrnnrrrrnnnnrrnnrnvnnnrnrrnnnnnnnnnn 4 2 4 5 Mounting the Flushing Connection Ping 4 2 4 5 1 Mounting to Pressure Detector Section rrrvrrrrnnnvvrvrrrnnrvverrrrnnr 4 2 4 5 2 Mounting to Process Flange rrrrnnnnnnnvrrnnnnnnnvvnnnnennnrrnnnnrrnrrrnnneenn 4 3 4 6 Affixing the Teflon Film 0 eeeceee eee eene eee ee teases eee taaeeeereeaeeeeene 4 3 5 INSTALLING IMPULSE PIPING iscusncsisutin cosentecunteniniattvitwundintiaued eta miin 5 1 5 1 Impulse Piping Installation Precautions eeseeseeeeeseseeeernenneeernnsns 5 1 5 1 1 Connecting Impulse Piping to the Transmitter 5 1 5 1 2 Routing the Impulse Piping rsrernnnonnrrrnnnnonnrrnnnrrnnnrrnnnrrnnrrrnnrrrnnnn 5 1 5 2 Impulse Piping Connection Examples rrrrnannrnnnnnrnnnnnvnnnnnrrnnnnnnnnennnr 5 2 Ge WIRING OE Ma 6 1 6 1 Wiring Precautions o noia a a a A e 6 1 6 2 Selecting the Wiring Materials rrrrnnnrrnnnnrrrnnnnvnnrnrrrnnnnrnnnrrrrnnnnrn
95. ure side Cover flange Process connector M4W For Extended High Pressure side Process flange Block Pipe Base Low Pressure side Cover flange MOE High Pressure side Process flange Block Pipe Base type f M1E Low Pressure side Cover flange Process connector Flange rating Test pressure JIS 10K 2 MPa 290psi T51 Pressure test Leak test JIS 20K 5 MPa 720 psi e x T54 WW D I Nitrogen Nz Gas 11 Certificate ANSI JPI Class 150 3 MPa 430 psi Retention time 10 minutes T52 ANSI JPI Class 300 8 MPa 1160 psi i T56 ANSI JPI Class 300 7 MPa 1000 psi 0 T55 T0912 EPS 1 Not applicable with color change option 2 Applicable for flush type process connection style code W 3 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 Applicable for wetted parts material code SW SE WW WE and HW Consult Yokogawa in case gold plated diaphragm is required for low pressure side 6 Also see Ordering Information 7 Applicable for Low Pressure Side Process connection code 0 and 5 8 Applicable for Low Pressure Side Process connection code 1 2 3 and 4 9 Applicable for flushing connection ring code A B C and D 10 Applicable for extended type process connection style code E 11 Pure nitrogen gas is used for oil prohibited use opt
96. ustment adju LCD board assembly screw pin Mounting screw Amplifier Cover Figure 8 3 Removing and Attaching LCD Board Assem bly and CPU Assembly IM 01C25C01 01E 8 4 2 Replacing the CPU Board Assembly This subsection describes the procedure for replacing the CPU assembly See Figure 8 3 E Removing the CPU Assembly 1 Remove the cover If an integral indicator is mounted refer to Subsection 8 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 8 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 A NOTE Be careful not to apply excessive force to the CPU assembly when removing it E Mounting the CPU Assembly 1 Connect the flat cable with white connector between the CPU assembly and the capsule 2 Connect the output terminal cable with brown connector A NOTE Make certain that the cables are free of pinching between the case and the CPU assembly edge 3 Align and engage the zero adjustment screw
97. vervoltage 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 01C25C01 01E 3 3 COMPONENT NAMES COMPONENT NAMES 100 s N50 Ors NOOO O00 YOKOGAWA Note 2 Integral indicator Note 1 Mounting screw Range setting switch Note 1 See Subsection 7 6 Transmitter section Amplifier Cover BO H WR E External indicator conduit connection Note 1 Conduit connection gt LR Process connection low pressure side Process connector Cover flange Note 1 CPU assembly Burnout direction switch e EH Write protection switch Bolt Burnout direction switch BO Hardware write protection switch WR Hl e Burnout Direction H Switch Position Note 2 Burnout Direction HIGH LOW L Write Protection Switch Position SE TT I 2 Ey 2 NO YES Write Protection Write enabled Write disabled F0301 EPS 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

User's Manual EJX210A Flange Mounted Differential

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