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CONTENTS

IM 1C22H1-01E

MAINTENANCE ............................................................................................. 8-1

8.1

Overview ............................................................................................. 8-1

8.2

Calibration Instruments Selection ....................................................... 8-1

8.3

Calibration ........................................................................................... 8-1

8.4

Disassembly and Reassembly ............................................................ 8-3

8.4.1

Replacing the Integral Indicator ................................................... 8-3

8.4.2

Replacing the CPU Assembly ...................................................... 8-4

8.5

Troubleshooting ................................................................................... 8-5

8.5.1

Basic Troubleshooting .................................................................. 8-5

8.5.2

Troubleshooting Flow Charts ....................................................... 8-5

GENERAL SPECIFICATIONS ...................................................................... 9-1

9.1

Standard Specifications ...................................................................... 9-1

9.2

Model and Suffix Codes ...................................................................... 9-3

9.3

Optional Specifications ........................................................................ 9-6

9.4

Dimensions .......................................................................................... 9-8

INSTALLATION AND OPERATING PRECAUTIONS FOR

JIS INTRINSICALLY SAFE EQUIPMENT .......................................... EX-A03E

INSTALLATION AND OPERATING PRECAUTIONS FOR

JIS FLAMEPROOF EQUIPMENT ....................................................... EX-B03E

Customer Maintenance Parts List

DPharp EJA Series Transmitter Section ............................ CMPL 1C22A1-02E
Models EJA118W, EJA118N, and EJA118Y Diaphragm Sealed

Differential Pressure Transmitter ............................. CMPL 1C22H1-01E

REVISION RECORD

Содержание Dpharp EJA118N

Страница 1: ...Instruction Manual Y okogawa Electric Corporation Model EJA118W EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters Style S2 IM 1C22H1 01E IM 1C22H1 01E 10th Edition...

Страница 2: ...Blank Page...

Страница 3: ...Certification 2 7 2 9 5 JIS Certification 2 9 2 10 EMC Conformity Standards 2 9 3 COMPONENT NAMES 3 1 4 INSTALLATION 4 1 4 1 Precautions 4 1 4 2 Mounting the Diaphragm Seals 4 1 4 3 Transmitter Mount...

Страница 4: ...7 4 7 3 2 Parameter Usage and Selection 7 6 7 3 3 Setting Parameters 7 7 1 Tag No Setup 7 7 2 Calibration Range Setup 7 7 3 Damping Time Constant Setup 7 8 4 Output Mode and Integral Indicator Display...

Страница 5: ...w Charts 8 5 9 GENERAL SPECIFICATIONS 9 1 9 1 Standard Specifications 9 1 9 2 Model and Suffix Codes 9 3 9 3 Optional Specifications 9 6 9 4 Dimensions 9 8 INSTALLATION AND OPERATING PRECAUTIONS FOR J...

Страница 6: ...Blank Page...

Страница 7: ...evisions will not cause difficulty to the user from a functional or performance standpoint NOTE For FOUNDATION Fieldbus and HART protocol versions please refer to IM 1C22T2 01E and IM 1C22T1 01E respe...

Страница 8: ...conditions Use of the product in question in a location not conforming to the standards specified by Yokogawa or due to improper maintenance of the installation location Failure or damage due to modif...

Страница 9: ...SQRT is inscribed in field 2 if square root output mode was ordered SQRT is inscribed in field 3 Figure 2 2 Name Plate Example of JIS Flameproof Type 2 2 Unpacking When moving the transmitter to the i...

Страница 10: ...n WARNING Instrument installed in the process is under pressure Never loosen or tighten the flange bolts to avoid the dangerous spouting of process fluid Since the accumulated process fluid may be tox...

Страница 11: ...it is discharging 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 te...

Страница 12: ...rized representative of Yokogawa Electric Corporation is prohibited and will void Factory Mutual Intrinsically safe and Nonincendive Approval F0203 EPS Class I II III Division 1 Groups A B C D E F G E...

Страница 13: ...T4 Ambient temperature 40 to 60 C Process Temperature 120 C max Note 2 Entity Parameters Intrinsically safe ratings are as follows Maximum Input Voltage Vmax 30 V Maximum Input Current Imax 165 mA Max...

Страница 14: ...U1 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 protecti...

Страница 15: ...nance and Repair The instrument modification or parts replacement by other than authorized representative of Yokogawa Electric Corporation is prohibited and will void Standards Association of Australi...

Страница 16: ...plosive atmospheres Type of Protection and Marking Code Ex nA IIC T4 Temperature Class T4 Process Temperature 120 C max Ambient Temperature 40 to 60 C Note 2 Electrical Data Supply and output circuit...

Страница 17: ...ation and Operating Precautions for JIS Intrinsi cally Safe Equipment and Flameproof Equipment at the end of this manual CAUTION For JIS flameproof type without integral indicator When the fill fluid...

Страница 18: ...onnection Note 1 CPU assembly Setting pin CN4 Note 1 Options depend on your order specifications For details see Subsection 9 2 Model and Suffix Codes Note 2 Insert the pin CN4 as shown in the above f...

Страница 19: ...ectly Refer to Subsection 9 4 Dimensions IMPORTANT When measuring the liquid level of the tank the minimum liquid level zero point must be set to a level at least 50 mm above the center of the high pr...

Страница 20: ...st 600 mm below the high pressure HP process connection to ensure a positive head pressure of fill fluid Pay special attention to vacuum applica tions If it can not be installed at least 600 mm below...

Страница 21: ...the air by starting at the center of the diaphragm and work your way out 5 Place the gasket with the teflon film and affix to the process flange Teflon film Diaphragm Fluorinated oil PART No F9145YN G...

Страница 22: ...or correct wiring 5 2 Selecting 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 equivalent b Use shielded wire...

Страница 23: ...S Intrinsically Safe Equipment and Installation and Operating Precautions for JIS Flameproof Equipment at the end of this manual prior to the work 5 4 1 Loop Configuration Since the DPharp uses a two...

Страница 24: ...ter nearest to this value see Table 5 4 2 Table 5 4 2 Flameproof Packings and Applicable Cable Outer Diameters T0501 EPS G9601AM 8 to 10 10 1 to 12 16 8 10 16 10 12 G 1 2 G11 G12 Optional Code Wiring...

Страница 25: ...ing is required for JIS flameproof type and intrinsically safe type Note If equipped with built in Lightning Protector grounding should satisfy Special JIS class 3 requirements grounding resistance 10...

Страница 26: ...gm seal low pressure side Figure 6 1 1 Liquid Level Measurement in a Closed Tank j Confirming that Transmitter is Operating Properly Confirmation using the BT200 If the wiring system is faulty communi...

Страница 27: ...efore adjusting a screw check that the parameter J20 EXT ZERO ADJ displays ENABLE See Subsection 7 3 3 12 for the setting procedure Use a slotted screwdriver to turn the zero adjustment screw Turn the...

Страница 28: ...er output signal Confirm the hunting using a receiv ing instrument or the integral indicator and set the optimum damping time constant See Subsection 7 3 3 3 Damping Time Constant Setup 2 After confir...

Страница 29: ...signal in Note 2 9 Adjust the output signal to 100 5 V DC by rotating the external zero adjustment screw Doing so completes the HRV setting 10 Press the range setting push button The transmitter then...

Страница 30: ...ntrol room Terminal board F0701 EPS Figure 7 1 1 Connecting the BT200 7 1 2 Conditions of Communication Line DPharp BT200 Cable resistance Rc Cable resistance Rc Load resistance R cc Power supply d Lo...

Страница 31: ...on key F1 CODE to enter symbols The following symbols will appear in sequence one at a time at the cursor each time you press F1 CODE To enter characters next to these symbols press to move the cursor...

Страница 32: ...ge of messages Japanese or English 4 LCD contrast setting 5 Adjusting printout tone BT200 P00 only FUNC 1 MENU 2 UPLOAD TO BT200 3 DOWNLOAD TO INST 4 PRINT ALL DATA HOME SET ADJ ESC MENU A DISPLAY B S...

Страница 33: ...TEMP CAP OVER TEMP AMP OVER OUTPUT OVER DISPLAY ILLEGAL LRV ILLEGAL HRV ILLEGAL SPAN and ZERO ADJ OVER Self diagnostic messages A60 SELF CHECK In case of Model EJA120 static pressure cannot be measur...

Страница 34: ...sages J60 SELF CHECK Display the error History of the errors RECORD Last error P10 P11 ERROR REC 1 Display the error One time before ERROR REC 2 P12 Display the error Two time before ERROR REC 3 Menu...

Страница 35: ...y decimal point within the range of 19999 to 19999 T0707 EPS Unit setup for displayed temperature c P 7 11 Sets a unit for temperatures displayed on the BT200 Unit setup for displayed static pressure...

Страница 36: ...AWA CODE CAPS CLR ESC When you have made an entry mistake return the cursor using the key then reenter Set the new TAG NO FIC 1a FOKOGAWA FIKOGAWA FICOGAWA FIC GAWA FIC 1AWA FIC 1aWA FIC 1a Set TAG NO...

Страница 37: ...up to 5 digits excluding any decimal point for low or high range limits within the range of 32000 to 32000 Example 2 With present settings of 0 to 30 kPa set the Higher range value to10 kPa FEED NO OK...

Страница 38: ...OUT SQR DSP SQR Use the or key to select OUT LIN DSP SQR Press the key twice to enter the setting Press the OK key F0716 EPS 5 Output Signal Low Cut Mode Setup D10 LOW CUT D11 LOW CUT MODE Low cut mo...

Страница 39: ...mits within the range of 19999 to 19999 See a through c for each setting procedure indication and input pressure indication Transmitter is set for display when shipped D20 DISP SELECT NORMAL INP PRES...

Страница 40: ...shipped these are set as specified in the order Follow the procedure below to change these settings Note that these parameters need not be set for display Example Set lower range value LRV to 50 and...

Страница 41: ...nter the setting F0726 EPS 11 Output Status Display Setup when a CPU Failure D52 BURN OUT This parameter displays the status of 4 to 20 mA DC output if a CPU failure occurs In case of a failure commun...

Страница 42: ...nge while Applying Actual Inputs H10 AUTO LRV H11 AUTO HRV This feature allows the lower and higher range values to be set up automatically with the actual input applied If the lower and higher range...

Страница 43: ...zero adjustment screw on the transmitter This permits zero adjustment without using the BT200 Accurately adjust the output current to 4 mA DC or other target output value using an ammeter that accura...

Страница 44: ...the range setting Note that the amount of adjustment to the zero point changes according to the speed at which the screw is turned To make fine adjustments turn the screw slowly to make coarse adjust...

Страница 45: ...F0741 EPS For the associated parameters see Subsection 7 3 1 Parameter Summary 7 5 Self Diagnostics 7 5 1 Checking for Problems 1 Identifying Problems with BT200 The following four areas can be check...

Страница 46: ...r two hours from when an error occurs the error message of that error will be recorded Therefore if you switch off the transmitter within two hours from when the error occurs there is no history of th...

Страница 47: ...oblem Input is outside measurement range limit of capsule Displays present output Displays present output Displays present output Outputs high or low range limit value Displays high or low range limit...

Страница 48: ...2 1 shows the instruments required for calibra tion Select instruments that will enable the transmitter to be calibrated or adjusted to the required accuracy The calibration instruments should be hand...

Страница 49: ...o 133 kPa 1000 mmHg Prepare the vacuum pump for negative pressure ranges Dead weight gauge tester 25 kPa 2500mmH2O Accuracy 0 03 of setting Select a pressure generator having a pressure range close to...

Страница 50: ...ng bolt without fail Tighten the shrouding bolt to a torque of 0 7 N m Shrouding bolt Shrouding bolt F0802 EPS Figure 8 4 1 Shrouding Bolts 8 4 1 Replacing the Integral Indicator This subsection descr...

Страница 51: ...e with black connec tor at the end that connects the CPU assembly and the capsule NOTE Be careful not to apply excessive force to the CPU assembly when removing it j Mounting the CPU Assembly 1 Connec...

Страница 52: ...environmental conditions Inspect receiver Check transmitter Check correct operating conditions Measurement system problem F0804 EPS YES NO NO YES Environmental conditions Operating conditions Transmi...

Страница 53: ...re power supply voltage and load resistance correct Is external noise contained in the outout Refer to error message summary in Subsection 7 5 2 to take actions Bind capillaries together as far as pos...

Страница 54: ...Constant approx sec 1 5 1 0 M H T0902 EPS Capsule Silicone Oil When the capillary length 3 m and the fill fluid code A Ambient Temperature Limits Safety approval codes may affect limits 40 to 60 C 40...

Страница 55: ...22 to 3568F 15 to 608C 5 to 1408F 10 to 3008C 50 to 5728F 10 to 608C 50 to 1408F 20 to 1208C 4 to 2488F 10 to 608C 14 to 1408F 50 to 1008C 58 to 2128F 40 to 608C 40 to 1408F Fill Fluid Code A Fill Flu...

Страница 56: ...JIS SUS304 2 inch 50 mm JIS SUS316 JIS SCM435 JIS SUS630 Process temp Ambient temp For general use silicone oil 10 to 2508C 10 to 608C For general use silicone oil 30 to 1808C 15 to 608C For high temp...

Страница 57: ...SUS304 3 inch 80 mm JIS SUS316 JIS SCM435 JIS SUS630 Process Ambient temperature temperature For general use silicone oil 10 to 250 8C 10 to 60 8C For general use silicone oil 30 to 180 8C 15 to 60 8...

Страница 58: ...High pressure side 4 inch 100 mm JIS SUS316 Low pressure side 3 inch 80 mm JIS SUS316 JIS SCM435 JIS SUS630 Process Ambient temp temp For general use silicone oil 10 to 250 8C 10 to 60 8C For general...

Страница 59: ...Li 730 mH Electrical connection 1 2 NPT female FS1 CENELEC KEMA Flameproof Approval EExd IIC T4 T5 T6 Amb Temp 40 to 80 8C 40 to 176 8F Max process Temp T4 120 8C 248 8F T5 100 8C 212 8F T6 85 8C 185...

Страница 60: ...Amplifier cover only D1 D3 P calibration psi unit bar calibration bar unit See Table for Span and Range Limits Calibration units Note 1 D4 M calibration kgf cm2 unit Epoxy resin baked coating Color ch...

Страница 61: ...100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 100 3 94 d 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 61 2 40 f 0 0 0 1 6...

Страница 62: ...8 8 8 8 8 8 8 8 h 19 0 75 23 0 91 19 1 0 75 22 4 0 88 19 0 75 22 0 87 18 0 71 22 0 87 g 155 6 10 155 6 10 155 6 10 155 6 10 155 6 10 155 6 10 155 6 10 155 6 10 A 96 3 78 96 3 78 96 3 78 96 3 78 96 3...

Страница 63: ...ass 300 JPI Class 150 JPI Class 300 DIN PN 10 16 DIN PN 25 40 D 185 7 28 200 7 87 190 5 7 50 209 6 8 25 190 7 48 210 8 27 200 7 78 200 7 78 t 18 0 71 22 0 87 23 9 0 94 28 5 1 12 24 0 94 28 5 1 12 20 0...

Страница 64: ...used in compliance with the specifications marked on its certification label equipment nameplate and precautionary information furnished Note Intrinsically safe apparatus satisfy their performance un...

Страница 65: ...ination require ments by referring to its safety rating and combination parameters shall be selected 2 For pressure transmitters pH transmitters temperature detectors and the like safety barriers that...

Страница 66: ...nstallation such as wiring method earthing or the like if any and f protect the outer sheath of cables from damage with appropriate measures 7 Maintenance and Inspection of Intrinsically Safe Apparatu...

Страница 67: ...cation label equipment nameplate and precautionary information furnished 2 Electrical Apparatus of Flame proof Type of Explosion Protected Construction Electrical apparatus which is of flameproof cons...

Страница 68: ...B 0202 with no sealing property To protect the apparatus from corrosive gases or moisture apply nonhardening sealant such as liquid gaskets to those threads for waterproofing Specific cables shall be...

Страница 69: ...ge the joints or shock the enclosure b If any damage occurs in threads joints or mating surfaces inspection windows connections between the transmitter and terminal box shrouds or clamps or external w...

Страница 70: ...Blank Page...

Страница 71: ...BRAIN protocol version Except JIS Intrinsically safe type For HART protocol version Except JIS Intrinsically safe type For BRAIN protocol version JIS Intrinsically safe type Optional code JS1 For BRA...

Страница 72: ...2 CMPL 1C22A1 01E Subject to change without notice Printed in Japan Blank Page...

Страница 73: ...t 1995 Yokogawa Electric Corporation Yokogawa Electric Corporation CMPL 1C22H1 01E 3rd Edition Oct 1999 YK Models EJA118W EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitter Pressur...

Страница 74: ...m JIS 40K 3 inch ANSI Class 150 3 inch ANSI Class 300 3 inch ANSI Class 600 3 inch JPI Class 150 3 inch JPI Class 300 3 inch JPI Class 600 50 mm JIS 10K 50 mm JIS 20K 50 mm JIS 40K 2 inch ANSI Class 1...

Страница 75: ...3 For PG13 5 and M20 Add Part No to Item 10 For 1 2NPT PG13 5 and M20 Add SUS316 Stainless Steel Part No to Flange material in Table 1 Part No correction made in Table1 Incorrect Correct F9315KA F9351...

Страница 76: ...lation and Operating Precautions for JIS Intrinsically Safe and Explosionproof Equipment EX A01E EX A03E EX B01E EX B03E Add Optional code F1 Change a format Change and add Part No of Item 7 1 CPU ass...

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