User’s
Manual
Low Flow Transmitter
EJX115A and EJA115E
IM 01C25K01-01E
9th Edition
Страница 1: ...User s Manual Low Flow Transmitter EJX115A and EJA115E IM 01C25K01 01E IM 01C25K01 01E 9th Edition...
Страница 2: ...erproofing of Cable Conduit Connections 2 2 2 7 Restrictions on Use of Radio Transceivers 2 2 2 8 Insulation Resistance and Dielectric Strength Test 2 3 2 9 Installation of an Explosion Protected Inst...
Страница 3: ...5 6 6 Power Supply Voltage and Load Resistance 6 5 7 Operation 7 1 7 1 Preparation for Starting Operation 7 1 7 2 Zero Point Adjustment 7 2 7 3 Starting Operation 7 3 7 4 Shutting Down Operation 7 3...
Страница 4: ...3 8 4 2 Replacing the CPU Board Assembly 8 4 8 4 3 Replacing the Process Connector Gaskets 8 4 8 4 4 Cleaning Manifold Assembly and Replacing Orifice 8 4 8 4 5 Cleaning and Replacing the Capsule Asse...
Страница 5: ...shows the applicability for both EJX115A and EJA115E 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 rig...
Страница 6: ...ese instructions are not heeded the protection provided by this instrument may be impaired In this case Yokogawa cannot guarantee that the instrument can be safely operated Please pay special attentio...
Страница 7: ...ted 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 instrument the customer...
Страница 8: ...1 Introduction 1 4 IM 01C25K01 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 9: ...nsmitter mounting bolt Mounting bracket Flat type F0201 ai Figure 2 1 Transmitter Mounting Hardware 2 1 Model and Specifications Check The model name and specifications are written on the name plate a...
Страница 10: ...ted transmitters 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 WARNING...
Страница 11: ...static potential Do not touch the terminals while it is discharging Dielectric Strength Test 1 Short circuit the and SUPPLY terminals in the terminal box In case of 1 to 5 V output short circuit the...
Страница 12: ...ne 2 Groups IIC in Hazardous Locations Enclosure Type 4X Temperature Class T4 Ambient temperature 60 to 60 C Note 2 Entity Parameters Intrinsically Safe Apparatus Parameters Groups A B C D E F and G V...
Страница 13: ...sion 1 Groups E F and G Enclosure Type 4X Temperature Class T6 Ambient Temperature 40 to 60 C Supply Voltage 42 V dc max 32 V dc max FOUNDATION Fieldbus and PROFIBUS PA type 9 to 28 V dc 27 mW Low Pow...
Страница 14: ...perature 120 C max For CSA E60079 Applicable Standard CAN CSA E60079 11 CAN CSA E60079 15 IEC 60529 2001 Ex ia IIC T4 Ex nL IIC T4 Ambient Temperature 50 to 60 C 15 C when HE is specified Max Process...
Страница 15: ...nal 4 to 20 mA dc 15 mA FOUNDATION Fieldbus and PROFIBUS PA type 1 to 5 V Low Power type Note 2 Wiring All wiring shall comply with Canadian Electrical Code Part I and Local Electrical Codes In hazard...
Страница 16: ...tter 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 instr...
Страница 17: ...is avoided To satisfy IP66 or IP67 apply waterproof glands to the electrical connection port When the lightning protector option is specified the apparatus is not capable of withstanding the 500V ins...
Страница 18: ...eproof Type EJX EJA E Series pressure transmitters with optional code KU22 or V1U1 can be selected the type of protection ATEX Flameproof Intrinsically Safe Ex ia or Ex ic for use in hazardous area No...
Страница 19: ...installing the apparatus 2 Electrical Connection A mark indicating the electrical connection type is stamped near the electrical connection port These marks are as followed F0208 ai Location of the ma...
Страница 20: ...o shi Tokyo Japan 3 The identification number of Notified Body 2 9 4 IECEx Certification EJX Series pressure transmitters with optional code SU21 can be selected the type of protection IECEx Intrinsic...
Страница 21: ...JA E series pressure transmitters with optional code SU21 are applicable for use in hazardous locations No IECEx DEK 13 0061X Applicable Standard IEC 60079 0 2011 IEC 60079 11 2011 Ex ic IIC T4 Gc Amb...
Страница 22: ...esistor R such that Io Uo R The safety barrier must be IECEx certified Input voltage of the safety barrier must be less than 250 Vrms Vdc The instrument modification or parts replacement by other than...
Страница 23: ...osion hazard Avoid any actions that cause the generation of electrostatic charge such as rubbing with a dry cloth on coating face of the product Note 4 Maintenance and Repair The instrument modificati...
Страница 24: ...o prevent pressure from exceeding PS 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 Safety Requirement Sta...
Страница 25: ...Model 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 swi...
Страница 26: ...bracket on the transmitter tighten the four bolts that hold the transmitter with a torque of approximately 39 N m 4kgf m The transmitter is shipped with the manifold set up as per the order specificat...
Страница 27: ...in vent plugs apply a torque of 34 to 39 N m 3 5 to 4 kgf m Manifold bolts are to be tightened uniformly to a torque of 39 to 49 N m 4 to 5 kgf m F0403 ai 1 2 Vent Drain plug Note For a horizontal imp...
Страница 28: ...tate the transmitter section slowly and stop it at designated position 3 Tighten the two setscrews to a torque of 1 5 N m IMPORTANT Do not rotate the transmitter section more than the above limit F040...
Страница 29: ...ansmitter is shipped with the process connector mounting bolts only loosely tightened After connecting the process piping tighten these bolts uniformly to prevent leaks with a torque of 39 to 49 N m 4...
Страница 30: ...ppropriate changes and additions to the connection configurations Note the following points when referring to these piping examples The high pressure connecting port on the transmitter is shown on the...
Страница 31: ...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 temper...
Страница 32: ...rminal due to an initial current flowed to it To prevent communication signal affecting the upper system it is recommended to install a low pass filter approximately 0 1s Connect the BT200 or HART Com...
Страница 33: ...nd Flameproof Type Hazardous Location Nonhazardous Location Transmitter terminal box Distributor Power supply unit Receiver instrument F0606 ai Figure 6 9 Connection between Transmitter and Distributo...
Страница 34: ...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 wat...
Страница 35: ...round terminal inside Ground terminal outside F0611 ai Figure 6 16 Ground Terminals 6 6 Power Supply Voltage and Load Resistance For 4 to 20 mA output only When configuring the loop make sure that the...
Страница 36: ...er and connect the BT200 Open the terminal box cover and connect the BT200 to the SUPPLY and terminals d Using the BT200 confirm that the transmitter is operating properly Check parameter values or ch...
Страница 37: ...djustment screw or by using the communicator This section describes the procedure for the zero adjustment screw For the communicator procedure see the communication manual IMPORTANT Do not turn off th...
Страница 38: ...r shutting down the transmitter for a long period remove any process fluid from the transmitter pressure detector section 7 5 Transmitter Measurement Range Determining Differential Pressure Range The...
Страница 39: ...c density 1 251 kg Nm3 specific density at 0 C 1 atm Temperature 30 C Pressure 100 kPa Viscosity 0 018 mPa s From Equation 2 air equivalent volumetric flow Qo is Qo 0 5356 25 1 251 18 38 Nm3 h 306 3 N...
Страница 40: ...ial Pressure kPa Figure 7 5 2 Relationship between Equivalent Air Flow and Differential Pressure F0707 ai Correction Factor Kaf Ka Reynolds number Re 0 75 0 80 0 85 0 90 0 95 1 00 4 4 5 102 103 104 8...
Страница 41: ...orque of 10 N m 1kgf m and the drain plug to a torque of 34 to 39 N m 3 5 to 4 kgf m F0708 ai Drain screw Drain plug When you loosen the drain screw or drain plug the accumulated loquid will be expell...
Страница 42: ...lue Save Cancel the value Save Cancel the value Save Cancel the value Save Cancel the value Save Cancel the value Save Cancel the value Save Cancel the value Save Cancel the value 6 Output Mode 2 Pres...
Страница 43: ...quare root Display out 1 F0713 ai push push push push push Process Measurement Display push push push push Process Measurement Display Software revision 2 03 Up to 6 characters are shown in the bottom...
Страница 44: ...s F0715 ai screw push Select by the push button Blinking Blinking Save Cancel Available pressure units kPa bar inH2O 4degC 39 2degF Torr mbar inH2O 20degC 68degF atm g cm2 inHg MPa kg cm2 ftH2O 4degC...
Страница 45: ...a atmospheric pressure to the transmitter Note 1 4 Turn the external adjustment screw in the desired direction The integral indicator displays the output signal in Note 2 5 Adjust the output signal to...
Страница 46: ...Local Parameter Setting Lock To disable parameter changes by the Local Parameter Setting there are three different ways Locked features Communication Parameter Ext SW disable EXT ZERO ADJ disable Exte...
Страница 47: ...Selection 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...
Страница 48: ...f F S Requires air pressure supply Dead weight gauge tester 25 kPa 2500 mmH2O Accuracy 0 03 of setting Select the one having a pressure range close to that of the transmitter Pressure source Model 691...
Страница 49: ...ding Bolt Shrouding Bolt F0802 ai 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 con...
Страница 50: ...groove on the bracket on the CPU assembly 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 indic...
Страница 51: ...cover flange confirm the indication flow direction shown on the manifold surface and the high and low pressure sides of the pressure detector section Mount the manifold so that the upstream side of pr...
Страница 52: ...F 3 After the pressure detector section has been reassembled a leak test must be performed to verify that there are no pressure leaks 4 Reattach the transmitter section to the pressure detector sectio...
Страница 53: ...Output signal does not change even though process variable is known to be varying Output value is inconsistent with value inferred for process variable Is power supply polarity correct Are power suppl...
Страница 54: ...nstalled as appropriate for the flow direction Connect a communicator and check self diagnostics Contact Yokogawa service personnel F0810 ai Are valves opened or closed correctly Is impulse piping con...
Страница 55: ...to 95 C AL 30 RANGE Output is outside upper or lower range limit value Outputs high range limit value or low range limit value Check input and range setting and change them as needed AL 31 SP RNG Sta...
Страница 56: ...or less For 1 to 5 V output Output signal code Q Analog output status at CPU failure and hardware error Up scale 110 5 4 V DC or more standard Down scale 5 0 8 V DC or less Damping Time Constant 1st o...
Страница 57: ...to 42 V DC for general use and flameproof type 10 5 to 32 V DC for lightning protector Option code A 10 5 to 30 V DC for intrinsically safe type n or non incendive type Minimum voltage limited at 16...
Страница 58: ...psule Gasket Vent Drain Plug Manifold Orifice Spacer and Orifice gasket Non wetted Parts Materials Bolting ASTM B7 carbon steel 316L SST stainless steel or ASTM grade 660 stainless steel Housing Low c...
Страница 59: ...ight side high pressure Horizontal piping and left side high pressure Amplifier housing 1 2 3 Cast aluminum alloy ASTM CF 8M Stainless steel 2 Cast aluminum alloy with corrosion resistance properties...
Страница 60: ...6 T4 Enclosure IP66 and IP67 Process Sealing Certification Dual Seal Certified by CSA to the requirement of ANSI ISA 12 27 01 No additional sealing required Primary seal failure annuniciation at the z...
Страница 61: ...status at CPU failure and hardware error is 110 21 6 mA or more C3 Stainless steel tag plate 304 SST tag plate wired onto transmitter 316 SST when HC is specified N4 Data configuration at factory 8 Da...
Страница 62: ...n plug 2 inch pipe O D 60 5 mm Vent plug Zero adjustment Ground terminal Mounting bracket Flat type optional Electrical connection for code 5 9 A and D Conduit connection optional External indicator C...
Страница 63: ...for 4 to 20 mA output FOUNDATION Fieldbus type and PROFIBUS PA type 1 When using an external indicator or check meter the internal resistance must be 10 or less A check meter or indicator cannot be c...
Страница 64: ...ain plugs Vertical Impulse Piping Type Flow direction 1 Manifold Process connector upside Installation code 6 Process connector downside Installation code 7 Low pressure side High pressure side Condui...
Страница 65: ...e Add model name of EJA115E Delete V1U Delete KS2 KF21 and KU21 Add KS21 KF22 and KU22 Add note for measurement span code F Add information for EJA115E Delete output signal code L and add measurement...
Страница 66: ...6 Pressure LRV URV Configuration 7 11 7 7 Add 7 7 8 Output Mode Configuration and 7 7 9 Display Out 1 Configuration 8 9 8 5 3 Correct AL31 output operation 9 1 to 9 2 9 1 Add information for 1 to 5 V...
