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User’s
Manual

Yokogawa Electric Corporation

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EJA Series Differential Pressure and 
Pressure Transmitters
Installation Manual

IM 01C22A01-01E

IM 01C22A01-01E

1st Edition

CD-ROM included

1. 

Introduction

1.1 

For Safe Use of Product ..............................................2

1.2 

Warranty ......................................................................2

1.3 

ATEX Documentation ..................................................4

2. 

Handling Cautions

2.1 

Model and Specifications Check .................................5

2.2 

Selecting the Installation Location ..............................5

2.3 

Pressure Connection ..................................................6

2.4 

Installation of Explosion Protected Type .....................6

2.5  

EMC Conformity Standards ..................................... 13

2.6 

PED (Pressure Equipment Directive) ...................... 13

2.7 

Low Voltage Directive ............................................... 14

3. 

Installation

3.1 

Mounting................................................................... 15

3.2 

Mounting the Diaphragm Seals ............................... 15

3.3 

Diaphragm Seals Installation Consideration ............ 16

3.4 

Affixing the Teflon Film ............................................. 17

3.5 

Rotating Transmitter Section .................................... 18

3.6 

Changing the Direction of Integral Indicator............. 18

4. 

Installing Impulse Piping

4.1 

Impulse Piping Installation Precautions ................... 19

4.2 

Impulse Piping Connection Examples ..................... 21

4.3 

Process Piping Installation Precautions ................... 22

5. 

Wiring

5.1 

Wiring Precautions ................................................... 23

5.2 

Connections of External Wiring to Terminal Box ...... 23

5.3 

Wiring ....................................................................... 23

5.4 

Grounding ................................................................ 25

5.5 

Power Supply Voltage and Load Resistance ........... 25

6. 

Operation

6.1 

Preparation for Starting Operation ........................... 26

6.2 

Zero Point Adjustment .............................................. 27

7. 

Errors and Countermeasures

8. 

Parameter Summary

Содержание Dpharp vigilantplant EJA Series

Страница 1: ... 2 7 Low Voltage Directive 14 3 Installation 3 1 Mounting 15 3 2 Mounting the Diaphragm Seals 15 3 3 Diaphragm Seals Installation Consideration 16 3 4 Affixing the Teflon Film 17 3 5 Rotating Transmitter Section 18 3 6 Changing the Direction of Integral Indicator 18 4 Installing Impulse Piping 4 1 Impulse Piping Installation Precautions 19 4 2 Impulse Piping Connection Examples 21 4 3 Process Pipi...

Страница 2: ......

Страница 3: ... Series PROFIBUS PA Communication Type IM 01C22T03 00E Regarding This Manual This manual should be passed on to the end user The contents of this manual are subject to change without prior notice All rights reserved No part of this manual may be reproduced in any form without Yokogawa s written permission Yokogawa makes no warranty of any kind with regard to this manual including but not limited t...

Страница 4: ...de b Wiring The instrument must be installed by an expert engineer or a skilled personnel The procedures described about WIRING are not permitted for operators Please confirm that voltages between the power supply and the instrument before connecting the power cables and that the cables are not powered before connecting c Operation Wait 10 min after power is turned off before opening the covers d ...

Страница 5: ...ich is out of design conditions Use of the product in question in a location not conforming to the standards specified by Yokogawa or due to improper maintenance of the installation location Failure or damage due to modification or repair by any party except Yokogawa or an approved representative of Yokogawa Malfunction or damage from improper relocation of the product in question after delivery R...

Страница 6: ... 1 Introduction IM 01C22A01 01E 1 3 ATEX Documentation This is only applicable to the countries in European Union GB DK I E NL SF P F D S LT LV PL EST SLO H BG RO M CZ SK GR ...

Страница 7: ... 1 Adapter 1 EJA210A EJA438W Option code T Teflon film 1 Fluorinated oil 1 EJA118W Option code T Teflon film 2 Fluorinated oil 2 EJA110A EJA120A EJA130A EJA310A EJA430A EJA440A 1 2 3 4 A B C D EJA115 A B C D EJA210A EJA220A 1 2 3 4 EJA118 EJA438 A B F0201 ai EJA510A EJA530A E F Bolt Process connector Process connector Gasket U bolt nut U bolt Mounting bracket L type Transmitter mounting bolt Mount...

Страница 8: ...sure exceed 50 kPa 0 5 kgf cm2 it is possible to break the sensor Proceed with caution when applying pressure 2 4 Installation of Explosion Protected Type In this section further requirements and differences and for explosionproof type instrument are described For explosionproof type instrument the description in this chapter is prior to other description in this users manual For the intrinsically...

Страница 9: ...E F and G environments Associated apparatus manufacturer s installation drawing must be followed when installing this apparatus The maximum power delivered from the barrier must not exceed 0 9 W Note a warning label worded SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY and INSTALL IN ACCORDANCE WITH DOC No IFM012 A12 P 1 and 2 Note 4 Maintenance and Repair The instrument modification or pa...

Страница 10: ... C D Class II Division 1 Groups E F G and Class III Division 1 Hazardous Locations Nonincendive for Class I Division 2 Groups A B C D Class II Division 2 Groups F G and Class III Hazardous Locations not use Safety Barrier Encl Type 4X Temperature Class T4 Ambient temperature 40 to 60 C Process Temperature 120 C max Note 2 Entity Parameters Intrinsically safe ratings are as follows Maximum Input Vo...

Страница 11: ...azardous 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 protectio...

Страница 12: ...THE PRESSURE TRANSMITTER IS MADE OF ALUMINUM IF IT IS MOUNTED IN AN AREA WHERE THE USE OF ZONE 0 IS REQUIRED IT MUST BE INSTALLED SUCH THAT EVEN IN THE EVENT OF RARE INCIDENTS IGNITION SOURCES DUE TO IMPACTAND FRICTION SPARKS ARE EXCLUDED F0208 ai EJA Series Pressure Transmitters Supply Hazardous Location Non hazardous Location Not Use Safety Barrier type n IECEx Certified Equipment nL Group IIC Z...

Страница 13: ...ized representative of Yokogawa 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 1 G apparatus is required it must be installed such that even in the event of rare incidents ignition sourc...

Страница 14: ...0 C max Ambient Temperature 40 to 60 C Note 1 Electrical Data Ui 30 V Effective internal capacitance Ci 22 5 nF Effective internal inductance Li 730 μH 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 El...

Страница 15: ...e from the last shows the last one figure of the year of production For example the production year of the product engraved in NO column on the name plate as follows is 2001 12A819857 132 The year 2001 2 180 8750 is a zip code which represents the following address 2 9 32 Nakacho Musashino shi Tokyo Japan 2 5 EMC Conformity Standards EN61326 AS NZS CISPR11 CAUTION This instrument is a Class A prod...

Страница 16: ...essure of fluid should be applied under the normal operating condition The ambient temperature should be applied under the normal operating condition Please pay attention to prevent the excessive pressure like water hammer etc When water hammer is to be occurred please take measures to prevent the pressure from exceeding PS by setting the safety valve etc at the system and the like When external f...

Страница 17: ...ter mounting bolt Mounting bracket Figure 3 3 Transmitter Mounting Vertical Impulse Piping Type U bolt S F0304 ai U bolt nut S Plate Adapter U bolt nut L Mounting bracket 50 mm 2 inch pipe U bolt L Figure 3 4 EJA510A and EJA530A Mounting 3 2 Mounting the Diaphragm Seals IMPORTANT Please use a gasket which has a bigger inside diameter than that of gasket facing ød on diaphragm seal In case a gasket...

Страница 18: ...TANT When measuring the liquid level of the tank the minimum liquid level zero point must be set to a level at least 50 mm above the center of the high pressure side diaphragm seal see Figure 3 2 3 Correctly install the diaphragm seals on the high and low pressure sides of the process checking the label on each seal To avoid measuring error duets temperature difference between the two diaphragm se...

Страница 19: ...019 ds Specific gravity of fill fluid at 25 C Fill fluid code A B C E D ds Specific gravity 1 07 0 94 1 09 1 90 to 1 92 dHg Specific gravity of the Mercury 13 6 at 25 C Wetted parts material code Fill fluid code F0308 ai P h Low pressure side 0 High pressure side Figure 3 8 Example of Installation to Tank Caution on Installation 3 4 Affixing the Teflon Film IMPORTANT The FEP Teflon option includes...

Страница 20: ...e terminal box cover is locked by an Allen head bolt a shrouding bolt on CENELEC and IECEx flameproof type transmitters When the shrouding bolt is driven clockwise by an Allen wrench it is going in and cover lock is released and then the cover can be opened by hand When a cover is closed it should be locked by a shrouding bolt without fail Tighten the shrouding bolt to a torque of 0 7 N m 1 Remove...

Страница 21: ...ector Mounting Bolts After connecting the impulse piping tighten the process connector mounting bolts uniformly 4 Connecting the Transmitter and 3 Valve Manifold EJA110A A 3 valve manifold consists of two stop valves to block process pressure and an equalizing valve to equalize the pressures on the high and low pressure sides of the transmitter Such a manifold makes it easier to disconnect the tra...

Страница 22: ... but not more than 45 below horizontal If the process fluid is steam or other condensing vapor the taps must be horizontal or above horizontal but not more than 45 above horizontal Gas Pressure taps Process piping Steam Liquid 45 45 45 45 45 45 F0405 ai Figure 4 5 Process Pressure Tap Angle For Horizontal Piping 2 Position of Process Pressure Taps and Transmitter If condensate or gas accumulates i...

Страница 23: ...ng connections Before connecting the transmitter to the process study the transmitter installation location the process piping layout and the characteristics of the process fluid corrosiveness toxicity flammability etc in order to make appropriate changes and additions to the connection configurations Note the following points when referring to these piping examples If the impulse piping is long b...

Страница 24: ...disturbance in the pressure measurement Therefore the process piping must be routed so that any condensate or gas generated in the process piping will not accumulate in the pressure sensing assembly of the transmitter NOTE If the process fluid is a gas then as a rule the manifold must be located at the downside of the pressure sensing assembly If the process fluid is a liquid then as a rule the ma...

Страница 25: ...hen the cover can be opened by hand When a cover is closed it should be locked by a shrouding bolt without fail Tighten the shrouding bolt to a torque of 0 7 N m Shrouding Bolt Shrouding Bolt F0501 ai 5 2 Connections of External Wiring to Terminal Box 5 2 1 Power Supply Wiring Connection Connect the power supply wiring to the SUPPLY and terminals Power supply Transmitter terminal box F0502 ai Figu...

Страница 26: ...ai Flexible metal conduit Wiring metal conduit Tee Drain plug Apply a non hardening sealant to the threads for waterproofing Figure 5 5 Typical Wiring Using Flexible Metal Conduit 2 Flameproof Type Wire cables through a flameproof packing adapter or using a flameproof metal conduit Wiring cable through flameproof packing adapter Apply a non hardening sealant to the terminal box connection port and...

Страница 27: ...azardous area Flameproof heavy gauge steel conduit Tee Drain plug Seal fitting Gas sealing device Flameproof flexible metal conduit Apply a non hardening sealant to the threads of these fittings for waterproofing After wiring impregnate the fitting with a compound to seal tubing Figure 5 8 Typical Wiring Using Flameproof Metal Conduit 5 4 Grounding Grounding is always required for the proper opera...

Страница 28: ...alues The following parameters are the minimum settings required for operation Measuring range Output integral indicator mode Operation mode Output Status Setting at CPU Failure Set the burn out direction as shown in the figures below The direction is set to the H side for delivery unless option code C1 is specified in the order For option code F1 the output signal for down scale is 2 5 3 6 mA DC ...

Страница 29: ...evious settings Using the Transmitter Zero adjustment Screw Use a slotted screwdriver to turn the zero adjustment screw Turn the screw clockwise to increase the output or counterclockwise to decrease the output The zero point adjustment can be made with a resolution of 0 01 of the setting range Since the degree of zero adjustments varies with the screw turning speed turn the screw slowly for fine ...

Страница 30: ...o 95 C Displays present output Use heat insulation or make lagging to keep temperature within range Er 07 OVER OUTPUT Output is outside high or low range limit value Outputs high or low range limit value Check input and range setting and change them as needed Er 08 OVER DISPLAY Displayed value is outside high or low range limit value Displays high or low range limit value Check input and display c...

Страница 31: ...ensor 1 Percent Range 2 Pressure 3 Unit 4 Sensor Trim 1 Zero Trim 2 Pressure 3 Lower Sensor Trim 4 Upper Sensor Trim 5 Sensor Trim Point 1 Sensor Temperature 2 Sensor Temperature Unit 1 Static Pressure 2 Static Pressure Unit 1 PROCESS VARIABLES 2 RERANGE 3 Unit 4 Transfer Function 5 Damp 6 Low Cut 7 Cut Mode 8 Bi dir Mode 9 H2O Unit Select 1 PROCESS VARIABLES 2 ANALOG OUTPUT 3 Analog Output Alarm ...

Страница 32: ...AN Minimum span 32000 to 32000 B40 MAX STAT P Maximum static pressure 4 B60 SELF CHECK Self diagnostic messages Same as A60 C SETTING Setting data Menu name C10 TAG NO Tag number 16 alphanumerics As specified when ordered C20 PRESS UNIT Measurement range units Selected from mmH2O mmAq mmWG mmHg Torr Pa hPa kPa MPa mbar bar gf cm2 kgf cm2 inH2O inHg ftH2O psi or atm As specified when ordered C21 LO...

Страница 33: ...iagnostic messages Same as A60 J ADJUST Adjustment data Menu name J10 ZERO ADJ Automatic zero adjustment 5 to 110 0 3 J11 ZERO DEV Manual zero adjustment J20 EXT ZERO ADJ External zero adjustment screw permission ENABLE INHIBIT J60 SELF CHECK Self diagnostic messages Same as A60 K TEST Tests Menu name K10 OUTPUT in Test output setting 5 to 110 0 3 Displays ACTIVE while executing K60 SELF CHECK Sel...

Страница 34: ...ectric circuitry Intrinsically safe electrical apparatus generally comprise intrinsically safe apparatus installed in a hazardous location and a safety barrier associated apparatus installed in a non hazardous location aimed at preventing electrical energy from flowing into the electric circuitry of intrinsically safe apparatus However battery operated portable intrinsically safe apparatus or the ...

Страница 35: ...en 6 Wiring for Intrinsically Safe Circuits In intrinsically safe construction safety shall be maintained as an intrinsically safe system involving intrinsically safe apparatus and safety barriers connected thereto and electrical wiring through intrinsically safe circuits interconnected between them In other words even when safety requirements are maintained individually by intrinsically safe appa...

Страница 36: ...unless a special tool is used 3 Enclosure internal volume This is indicated by the total internal volume of the flameproof enclosure minus the volume of the internal components essential to equipment functions 4 Path length of joint surface On a joint surface the length of the shortest path through which flame flows from the inside to outside of the flameproof enclosure This definition cannot be a...

Страница 37: ...h the equipment cover removed always use a gas detector to check that there is no explosive gas in that location If it cannot be checked whether an explosive gas is present or not maintenance servicing shall be limited to the following two items a Visual inspection Visually inspect the flameproof apparatus metal conduits and cables for damage or corrosion and other mechanical and structural defect...

Страница 38: ...M 01C22A01 01E Revision Information Title EJA Series Differential Pressure and Pressure Transmitters Installation Manual Manual No IM 01C22A01 01E Edition Date Page Revised Item 1st Jan 2008 New publication ...

Страница 39: ...s information in PDF format that is necessary for safe and effective operation of the product Microsoft MS DOS Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Other company and product names are trademarks or registered trademarks of their respective holders WARNING This CD contains software and is for use i...

Страница 40: ...frica Budapest Hungary Stockholm Sweden YOKOGAWA AMERICA DO SUL LTDA Praca Acapulco 31 Santo Amaro Sao Paulo SP BRAZIL Phone 55 11 5681 2400 Fax 55 11 5681 4434 YOKOGAWA ENGINEERING ASIA PTE LTD 5 Bedok South Road 469270 SINGAPORE Phone 65 6241 9933 Fax 65 6241 2606 YOKOGAWA ELECTRIC KOREA CO LTD 14 1 Yangpyongdong 4Ga Youngdeungpo Gu Seoul 150 866 KOREA Phone 82 2 2628 6000 Fax 82 2 2628 6400 YOK...

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