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IM 01C25F01-01E

6-3

6. WIRING

(2) Flameproof Type

Wire cables through a flameproof packing adapter, or
use a flameproof metal conduit.

Wiring 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

Tee

Drain plug

Apply a non-hardening
sealant to the threads for
waterproofing.

F0609.EPS

Figure 6.9 Typical Cable Wiring Using Flameproof Packing

Adapter

Flameproof metal conduit wiring

• A 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.

F0610.EPS

Non-hazardous area

Hazardous 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 6.10

Typical Wiring Using Flameproof Metal
Conduit

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 10

or less.

Ground terminals are located on the inside and outside
of the terminal box. Either of these terminals may be
used.

Ground terminal
(inside)

SUPP

LY

PU

LS

E

CHEC

K

ALAR

M

Ground terminal
(outside)

F0611.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.

600

250

0

10.5

16.6

25.2

42

External

load

resistance

R (

Ω

)

Power supply voltage E (V DC)

F0612.EPS

Communication

applicable range

BRAIN and HART

R=

E–10.5

0.0244

Figure 6.12 Relationship between Power Supply Voltage

and External Load Resistance

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Содержание Dpharp EJX510A

Страница 1: ...User s Manual Y okogawa Electric Corporation EJX510A and EJX530A Absolute Pressure and Gauge Pressure Transmitters IM 01C25F01 01E IM 01C25F01 01E 3rd Edition ...

Страница 2: ...ification 2 5 2 9 3 CENELEC ATEX KEMA Certification 2 7 2 9 4 IECEx Certification 2 10 2 10 EMC Conformity Standards 2 11 2 11 Pressure Equipment Directive PED 2 11 2 12 Low Voltage Directive 2 12 3 COMPONENT NAMES 3 1 4 INSTALLATION 4 1 4 1 Precautions 4 1 4 2 Mounting 4 1 4 3 Rotating Transmitter Section 4 2 4 4 Changing the Direction of Integral Indicator 4 3 5 INSTALLING IMPULSE PIPING 5 1 5 1...

Страница 3: ...NTENANCE 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 Board Assembly 8 4 8 4 3 Cleaning and Replacing the Capsule Assembly 8 4 8 5 Troubleshooting 8 6 8 5 1 Basic Troubleshooting 8 6 8 5 2 Troubleshooting Flowcharts 8 6 8 5 3 Alarms and Countermeasures 8 8 9 G...

Страница 4: ...gauge pressure transmitter Users of the EJX510A should bear in mind that certain features of their instrument will differ from those shown in the illustrations of the EJX530A 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 Yoko...

Страница 5: ...led by an engi neer or technician who has an expert knowledge of this device Operators are not allowed to carry out installation unless they meet this condition With high process temperatures care must be taken not to burn yourself by touching the instrument or its casing Never loosen the process connector nuts when the instrument is installed in a process This can lead to a sudden explosive relea...

Страница 6: ...d 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 p...

Страница 7: ...em 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 SF Kaikkien ATEX Ex tyyppisten tuotteiden käyttöhjeet ovat saatavilla englannin saksan ja ranskankielisinä Mikäli tarvitsette Ex tyyppisten tuotteiden ohjeita omalla paikallisella kielellännne ottakaa yhteyttä lähimpään Yo...

Страница 8: ...se 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 It is not ex...

Страница 9: ...ection is 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 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 IMPORTANT Althoug...

Страница 10: ...sically 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 NOTE For FOUNDATION Fieldbus explosion protected type please refer to IM 01C25T02 01E CAUTION This instrument has been tested and certified as being intrinsically safe or explosionproof Please note that sever...

Страница 11: ...TION 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 F0203 1 EPS Class I II III Division 1 Groups A B C D E F G Class...

Страница 12: ...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 D Class II Division 1 Groups E F G Class III Division 1 Nonincendive for Class I Division 2 Groups A B C D Class II Division 2 Groups E F G Class III Division 1 Enclosure Type 4X Temp Code T4 Amb Temp 50 to 60 C Process Temperature 120 C max For CSA E60079 Applicable Standard CAN CSA ...

Страница 13: ...Ambient Temperature 50 to 75 C T4 50 to 80 C T5 50 to 70 C T6 Supply Voltage 42 V dc max Output Signal 4 to 20 mA dc Note 2 Wiring For CSA C22 2 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 WARNING A SEAL SHALL BE INSTALLED WITHIN 50cm OF THE ENCLOSURE UN SCELLEMENT DOIT ÊTRE INSTALLÉ...

Страница 14: ... Applicable Standard EN 50014 EN 50020 EN 50284 EN 50281 1 1 Type of Protection and Marking code EEx ia IIC T4 Group II Category 1G 1D Ambient Temperature for gas proof 50 to 60 C 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 ...

Страница 15: ...d the type of protec tion CENELEC ATEX KEMA Intrinsically Safe Flameproof or CENELEC ATEX Type n for use in hazardous locations Note 1 For the installation of this transmitter once a particular type of protection is selected any other type of protection cannot be used The installation must be in accordance with the description about the type of protection in this user s manual Note 2 In order to a...

Страница 16: ...HEAT RESISTING CABLES 90 C No KEMA 03ATEX2570 EEx d IIC T6 T4 IP66 andIP67 TEMP CLASS T6 T5 T4 MAX PROCESS TEMP Tp 85 100 120 C Tamb 50 to 70 80 75 C T80 C Tamb 40 C Tp 80 C T100 C Tamb 60 C Tp 100 C T120 C Tamb 80 C Tp 120 C Min Tamb 40 C for DUST No KEMA 03ATEX1544 X EEx ia IIC T4 IP66 and IP67 Tamb 50 to 60 C MIN Tamb 40 C for DUST MAX PROCESS TEMP Tp 120 C T85 C Tp 80 C T100 C Tp 100 C T120 C ...

Страница 17: ...ductance Li 0 µH Installation Requirements Uo Ui Io Ii Po Pi Co Ci Ccable Lo Li Lcable Voc Vmax Isc 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 R such that Io Uo R The safety barrier must be IECEx certified Input voltage of the safety barrier must be less than 2...

Страница 18: ...h 3 of PED denoted as Sound Engineering Practice SEP Models with PE3 Module H Type of Equipment Pressure Accessory Vessel Type of fluid Liquid and Gas Group of fluid 1 and 2 Model EJX110A EJX110A with code PE3 EJX130A EJX130A with code PE3 EJX310A EJX430A EJX440A EJX440A with code PE3 EJX510A EJX510A with code PE3 EJX530A EJX510A with code PE3 Category 2 Article 3 Paragraph 3 SEP III Article 3 Par...

Страница 19: ...ndoor atmosphere Normally only non conductive pollution occurs Occasionally however temporary conductivity caused by condenstaion must be expected 2 Installation Category I Overvoltage category Installation category describes a number which defines a transient overvoltage condition It implies the regulattion for impulse withstand voltage I applies to electrical equipment which is supplied from the...

Страница 20: ...el and Suffix Codes for details Note 2 Applicable for BRAIN HART communication type Set the switches as shown in the figure above to set the burn out direction and write protection The Burnout switch is set to the H side for delivery unless option code C1 or C2 is specified in the order and the hardware write protection switch is set to E side The setting of the switches can be confirmed via commu...

Страница 21: ...ard See subsection 5 1 1 4 2 Mounting The impulse piping connection port of the transmit ter is covered with a plastic cap to protect against dust This cap must be removed before connecting the piping Be careful not to damage the threads when removing these caps Do not insert a screw driver or other tool between the cap and the port threads to remove the cap The transmitter can be mounted on a nom...

Страница 22: ...n above range 1 Remove the two setscrews that fasten the transmitter section and capsule assembly using the Allen wrench 2 Rotate the transmitter section slowly and stop it at designated position For the EJX530A whose capsule code is A B or C the pipe of the atmo spheric opening may interfere with the stopper and disturb further rotation In that case screw off the pipe first rotate the housing and...

Страница 23: ...ase pressure and remove a transmitter to non hazardous area before disassembling and reassmbling an indicator An integral indicator can be installed in the following three directions Follow the instructions in section 8 4 for removing and attaching the integral indicator F0408 EPS Figure 4 5 Integral Indicator Direction ...

Страница 24: ...izontal Impulse Piping Connection 5 1 2 Routing the Impulse Piping 1 Process Pressure Tap Angles If condensate gas sediment or other extraneous material in the process piping gets into the impulse piping pressure measurement errors may result To prevent such problems the process pressure taps must be angled as shown in figure 5 2 according to the kind of fluid being measured NOTE If the process fl...

Страница 25: ...s examples of typical impulse piping connections Before connecting the transmitter to the process study the transmitter installation location the process piping layout and the characteristics of the process fluid corrosiveness toxicity flammability etc in order to make appropriate changes and additions to the connection configurations Note the following points when referring to these piping exampl...

Страница 26: ...quivalent 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 sleeve...

Страница 27: ...r 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 1 General use Type and Flameproof Type Hazardous Location Nonhazardous Location Transmitter terminal box Distributor Power supply unit Receiver instrument F0606 EPS SUPPLY...

Страница 28: ...ning sealant to the threads of these fittings for waterproofing After wiring impregnate the fitting with a compound to seal tubing Figure 6 10 Typical Wiring Using Flameproof Metal Conduit 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...

Страница 29: ... 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 F070...

Страница 30: ...o not turn off the power to the transmitter immediately after performing a zero point adjust ment Powering off within 30 seconds of per forming this procedure will return the zero point to its previous setting 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 c...

Страница 31: ...ction 8 4 After locking the covers confirm that they are secure and cannot be opened by hand Tighten the zero adjustment cover mounting screw to secure the cover Tighten the zero adjustment cover mounting screw to secure the cover 7 4 Shutting Down the Transmitter Shut down the transmitter as follows Steps 2 and 3 are specific to the differential pressure transmitters 1 Turn off the power 2 Close ...

Страница 32: ...essure 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 ...

Страница 33: ...istatic 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...

Страница 34: ...um pump for negative pressure ranges Dead weight gauge tester 25 kPa 2500mmH2O Accuracy 0 03 of setting Select the one having a pressure range close to that of the transmitter T0801 EPS for 0 to 10 kPa for 10 to 0 kPa for 25 to 130 kPa for 0 to 25 kPa for 80 to 0 kPa for 100 to 700 kPa for 0 to 100 kPa for 80 to 0 kPa for 0 to 3000 kPa for 80 to 0 kPa for 0 to 130 kPa abs Note The above table cont...

Страница 35: ...m Shrouding Bolt Shrouding Bolt F0802 EPS Figure 8 2 Shrouding Bolts 8 4 1 Replacing the Integral Indicator 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 flamepro...

Страница 36: ...roove 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 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 t...

Страница 37: ... section and pressure detector section 3 Remove the hexagon head screw and the stopper 4 Separate the transmitter section and capsule assembly 5 Clean the capsule assembly or replace with a new one Reassembling the Capsule Assembly 1 Insert the capsule assembly to the transmitter section Reattach the sopper with the hexagon head screw 2 Tighten the two setscrews Tighten the screws to a torque of 1...

Страница 38: ...ating conditions Measurement system problem F0805 EPS YES NO NO YES Environmental conditions Operating conditions Transmitter itself Figure 8 5 1 Basic Flow and Self Diagnostics 8 5 2 Troubleshooting Flowcharts Connect communicator and check self diagnostics Does the self diagnostic indicate problem location Contact Yokogawa service personnel F0806 EPS The following sorts of symptoms indicate that...

Страница 39: ... and low pressure side correct Is zero point adjusted correctly Output travels beyond 0 or 100 Connect a communicator and check self diagnostics Contact Yokogawa service personnel F0808 EPS Are valves opened or closed correctly Is impulse piping connected correctly Refer to error message summary in each communication manual to take actions Refer to Section 6 6 for rated voltage and load resistance...

Страница 40: ... Capsule EEPROM problem Amplifier temperature sensor problem Amplifier EEPROM problem Amplifier problem Continues to operate and output Continues to operate and output Continues to operate and output Continues to operate and output Outputs the signal Hold High or Low set with parameter Outputs the signal Hold High or Low set with parameter Use heat insulation or make lagging to keep temperature wi...

Страница 41: ...e 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 o...

Страница 42: ... 4 MPa 580 psig C 20 MPa abs 2900 psia 20 MPa 2900 psig D 75 MPa abs 10800 psia 75 MPa 10800 psig Supply Load Requirements Optional features or approval codes may affect electrical requirements With 24 V DC supply up to a 550 load can be used See graph below E 10 5 0 0244 Power supply voltage E V DC 600 250 R 10 5 16 6 25 2 42 External load resistance Digital Communication range BRAIN and HART R F...

Страница 43: ...0 000 C Where L length in meters or feet R resistance in including barrier resistance C cable capacitance in pF m or pF ft Cf maximum shunt capacitance of receiving devices in pF m or pF ft EMC Conformity Standards EN 61326 AS NZS CISPR11 PHYSICAL SPECIFICATIONS Wetted Parts Materials Diaphragm Process Connector Refer to MODEL AND SUFFIX CODE Non wetted Parts Materials Housing Low copper cast alum...

Страница 44: ...lugs 1 2 NPT female two electrical connections without blind plugs M20 female two electrical connections without blind plugs G1 2 female two electrical connections with a blind plug 1 2 NPT female two electrical connections with a blind plug M20 female two electrical connections with a blind plug Digital indicator Digital indicator with the range setting switch 3 None 304 SST 2 inch pipe mounting ...

Страница 45: ...C and D Class II Division 1 Groups E F and G and Class III Division 1 Hazardous Locations Nonincendive for Class I Division 2 Groups A B C and D Class II Division 2 Groups F and G and Class III Division 1 Hazardous Locations CENELEC ATEX KEMA Flameproof Approval 1 II 2G EExd IIC T4 T5 T6 FM Explosionproof Approval 1 Explosionproof for Class I Division 1 Groups B C and D Dust ignitionproof for Clas...

Страница 46: ...imits 3 8mA to 20 5 mA Failure alarm down scale Output status at CPU failure and hardware error is 5 3 2mA DC or less Failure alarm up scale Output status at CPU failure and hardware error is 110 21 6 mA or more Lightning protector Oil prohibited use Transistor output sink type Rating 10 5 to 30 V DC 120 mA DC max Low level 0 to 2 V DC AL Status output 2 Capsule fill fluid Calibration units 3 Outp...

Страница 47: ...With process connections code 8 and 9 1 Only for EJX530A whose measurement span code is A B or C 2 58 mm 2 28 inch for measurement span code D 3 11 mm 0 43 inch for measurement span code D Unit mm Approx inch F0904 EPS SUPPLY CHECK or ALARM Terminal Configuration Power supply and output terminal External indicator ammeter terminal 4 5 or Status contact output terminal 5 when AL is specified Ground...

Страница 48: ...ration range lower range value T0906E EPS EJX530A Selected from mmH2O mmH2O 68 F mmAq mmWG mmHg Pa hPa kPa MPa mbar bar gf cm2 kgf cm2 inH2O inH2O 68 F inHg ftH2O ftH2O 68 F or psi Only one unit can be specified EJX510A Torr Pa abs hPa abs kPa abs MPa abs mbar abs bar abs kgf cm2 abs mmH2O abs mmH2O abs 68 F mmHg abs inH2O abs inH2O abs 68 F inHg abs ftH2O abs ftH2O abs 68 F psia atm Calibration r...

Страница 49: ...eproof Type CENELEC ATEX Type n 3 1 3 Add descriptions in Note 2 4 2 4 4 Add subsection 4 4 7 1 7 1 Delete unnecessary description 8 4 8 4 2 Correct calbe color in 1 black white 8 5 8 4 3 Add description about stopper in 1 9 1 to 9 5 9 Add notes for FOUNDATION fieldbus communication type 9 1 9 1 Correct Span Range Limits Correct Burst Pressure Limits 9 5 9 3 Add codes for CSA approval and note 3 3...

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