YOKOGAWA DpharpEJX vigilantplant EJX910A User Manual Download Page 47

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IM 01C25R01-01E

9-3

9. MAINTENANCE

Using pressure
generator

Reference pressure

High pressure side

Low pressure side
open to atmosphere

Supply pressure

Pressure generator

Load resistance,

250

Ω

Load
adjusting
resistance,
100

Ω

Digital voltmeter

Power
supply
E

Using pressure
source with
manometer

Reference pressure

Pressure source

Model MT220
precision digital manometer

Load resistance,

250

Ω

Load
adjusting
resistance,
100

Ω

Digital voltmeter

Power
supply
E

F0901E.EPS

Figure 9.1 Instrument Connections for Differential Pressure (HART protocol type)

Using pressure
generator

Reference pressure

High pressure side

Low pressure side
open to atmosphere

Low pressure
side

Low pressure side
open to atmosphere

Supply pressure

Pressure generator

Load resistance,

250

Ω

Load
adjusting
resistance,
100

Ω

Digital voltmeter

Power
supply
E

Using pressure
source with
manometer

Reference pressure

Pressure source

Model MT220
precision digital manometer

Load resistance,

250

Ω

Load
adjusting
resistance,
100

Ω

Digital voltmeter

Power
supply
E

F0902E.EPS

Figure 9.2 Instrument Connections for Static Pressure (HART protocol type)

NOTE

Apply pressure to H side and L side evenly.

Summary of Contents for DpharpEJX vigilantplant EJX910A

Page 1: ...User s Manual Y okogawa Electric Corporation EJX910A Multivariable Transmitters IM 01C25R01 01E IM 01C25R01 01E 2nd Edition...

Page 2: ...ns Check 3 1 3 2 Unpacking 3 1 3 3 Storage 3 1 3 4 Selecting the Installation Location 3 2 3 5 Pressure Connection 3 2 3 6 Waterproofing of Cable Conduit Connections 3 2 3 7 Restrictions on Use of Rad...

Page 3: ...ecting Shielded Cable with Cable Gland External temperature input code 1 2 3 and 4 7 3 7 6 2 Connecting Shielded Cable for Conduit Use External temperature input code B C and D 7 5 7 6 3 Removing Shie...

Page 4: ...l Indicator 9 4 9 4 2 Replacing the CPU Board Assembly 9 5 9 4 3 Cleaning and Replacing the Capsule Assembly 9 5 9 4 4 Replacing the Process Connector Gaskets 9 7 9 5 Troubleshooting 9 7 9 5 1 Basic T...

Page 5: ...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...

Page 6: ...ician 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 yours...

Page 7: ...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...

Page 8: ...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 SF Kaikkien ATEX Ex...

Page 9: ...surement instruments can calculate and output the flow value using these three measured variables The EJXMVTool mass flow configuration software is used to configure mass flow calculation Simultaneous...

Page 10: ...Location Flow Configure Bench Connect Power Supply Connect Personal Computer Perform Configuration Tasks see Chapter2 Review Installation Considerations see Chapter5 Mount Transmitter see Chapter5 Pe...

Page 11: ...alue with a high level of accuracy The flow factors that are automati cally compensated are discharge coefficient diameter of primary device upstream internal pipe diameter gas expansion factor densit...

Page 12: ...sired flow is obtained 7 Remove the HART modem from the EJX910A 8 Turn off the power supply NOTE 1 Refer to the following instruction manuals for a more detailed explanation When setting with the HART...

Page 13: ...d Table 2 4 Normal Standard Volume Flow Unit HART protocol type T0204E EPS Unit LCD Communication normal cubic meter per hour Nm3 h normal liter per hour NL h Standard cubic feet per minute SCFM Tabl...

Page 14: ...ameters 1 Selection of the flow equation Select the desired operational expression according to the fluid type and the flow unit category shown in Table 2 1 2 Confirming the unit The unit to be used i...

Page 15: ...unit of use Differential pressure unit of use Pa Example 2 Calculation of Kfactor When Qm unit kg s Differential pressure unit kPa Kfactor 4 Nc C 1 4 d2 2 b 1 K 0 7853982 31 62278 0 6043 1 0 1296 0 9...

Page 16: ...lected at 1 5 Downloading flow parameter to transmitter Input Kfactor Tb SPb and TempK1 liquid to the transmitter by a communication tool or EJXMVTool IMPORTANT If either the setting of flow unit or d...

Page 17: ...pecifications are written on the name plate attached to the case F0302E EPS Figure 3 2 Name Plate 3 2 Unpacking Keep the transmitter in its original packaging to prevent it from being damaged during s...

Page 18: ...g 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 th...

Page 19: ...or FOUNDATION Filedbus explosion protedted type please refer to IM 01C25R03 01E If a customer makes a repair or modification to an intrinsically safe or explosionproof instrument and the instrument is...

Page 20: ...tion wiring shall be in conduit as shown in the figure WARNING A SEAL SHALL BE INSTALLED WITHIN 50cm OF THE ENCLOSURE UN SCELLEMENT DOIT TRE INSTALL MOINS DE 50cm DU BO TIER WARNING WHEN INSTALLED IN...

Page 21: ...sive atmospheres No KEMA 06ATEX0037 X 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...

Page 22: ...a resistor R such that Imaxout Uz R The safety barrier shall be certified by notify body EU as ATEX When using non isolation barrier connect 1 to IS earthing system Note 2 RTD sensor is prepared by t...

Page 23: ...conduits or use shielded twisted pair cabling when installing EJX series transmitters in a plant 3 11 Pressure Equipment Directive PED 1 General EJX series pressure transmitters are categorized as pr...

Page 24: ...oor atmosphere Normally only non conductive pollution occurs Occasionally however temporary conductivity caused by condenstaion must be expected 2 Installation Category I Overvoltage category Installa...

Page 25: ...tion Note 2 Note 1 See subsection 10 2 Model and Suffix Codes for details Note 2 Applicable for HART communication type Set the switches as shown in the figure above to set the burn out direction and...

Page 26: ...nce between the impulse piping connection ports is usually 54 mm figure 5 1 By changing the orientation of the process connector the dimension can be changed to 51 mm or 57 mm The transmitter can be m...

Page 27: ...ust be repositioned To reposition a drain vent plug use a wrench to slowly and gently unscrew it Then remove and remount it on the opposite side Wrap sealing tape around the drain vent plug threads 1...

Page 28: ...in vent plugs to the opposite side as described in subsection 4 3 F0505E EPS Process connector Setscrew Before After rotating 180 Figure 5 5 Before and After Modification 5 4 2 Using the Communicator...

Page 29: ...on more than the above limit F0507E EPS Vertical impulse piping type Horizontal impulse piping type Pressure detector section Transmitter section Rotate 0 to 180 segments Rotate 0 to 180 segments Tran...

Page 30: ...ounting bolts uniformly 4 Removing the Impulse Piping Connecting Port Dustproof Cap The impulse piping connecting port on the transmitter is covered with a plastic cap to keep out dust This cap must b...

Page 31: ...ter and 3 valve manifold be sure to CLOSE the low pressure and high pressure stop valves OPEN the equalizing valve and leave the manifold with the equalizing valve OPEN You must do this in order to a...

Page 32: ...s no temperature difference between them 5 Condensate Pots for Steam Flow Measure ment If the liquid in the impulse piping repeatedly condenses or vaporizes as a result of changes in the ambient or pr...

Page 33: ...front The transmitter impulse piping connection is shown for a vertical impulse piping connection configura tion in which the direction of connection is either upwards or downwards If the impulse lin...

Page 34: ...ded 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...

Page 35: ...4 Check Meter Connection Connect the check meter to the CHECK and _termi nals Use hooks A 4 to 20 mA DC output signal from the CHECK and _ terminals Note Use a check meter whose internal resistance is...

Page 36: ...proof 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 flam...

Page 37: ...or the RTD electrical connection F0716E EPS Entry with Seal 1 2NPT Type M20 Type Running Coupler Gasket Entry with Seal Backnut Running Coupler Backnut CAUTION Input output signal is non isolated Do n...

Page 38: ...e transmitter s terminal box 3 Insert the cable through the conduit and attach it to the RTD electrical connection CAUTION Do not pull the cable or subject it to excessive mechanical shock 7 6 3 Remov...

Page 39: ...de RTD Terminal T0701E EPS RTD Terminal B A 2 Wire 3 Wire 4 Wire White White White a open b Blue2 Blue2 Blue1 and Blue2 Blue1 Blue1 NOTE The color display in the table shows the white line of the cabl...

Page 40: ...For the shielded cables in this example of flowmeter installation use two wire separately shielded cables This supply voltage requires a power sourse with a maximum output current of no less than E R...

Page 41: ...eck that there are no liquid leaks in the impulse piping 3 valve manifold transmitter or other components Venting Gas from the Transmitter Pressure detector Section Since the piping in the example of...

Page 42: ...ocedure for the zero adjustment screw For the communicator procedure see the communication manual IMPORTANT Do not turn off the power to the transmitter immediately after performing a zero point adjus...

Page 43: ...tained resistance as the input value then deliver it to the transmitter by means of a variable resistor Measure the resulting output signal with the voltmeter digital multimeter and check the output v...

Page 44: ...drain vent screw on the transmitter to completely drain vent any stagnated liquid gas However since draining condensate or bleeding off gas disturbs the pressure measurement this should not be done wh...

Page 45: ...libration Instruments Se lection Table 9 1 lists the instruments that can be used to calibrate a transmitter When selecting an instrument consider the required accuracy level Exercise care when handli...

Page 46: ...ge close to that of the transmitter T0901E 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 f...

Page 47: ...igure 9 1 Instrument Connections for Differential Pressure HART protocol type V R Rc P Using pressure generator Reference pressure High pressure side High pressure side Low pressure side open to atmos...

Page 48: ...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 Shrouding Bolt Shrouding Bolt F0903E EPS Figure...

Page 49: ...ll 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 NOTE Be careful not to apply excessi...

Page 50: ...two setscrews that connect the transmitter section and pressure detector section 3 Remove the hexagon head screw and the stopper 4 Separate the transmitter section and pressure detector section 5 Remo...

Page 51: ...ersonnel 9 5 1 Basic Troubleshooting First determine whether the process variable is actually abnormal or a problem exists in the measurement system If the problem is in the measurement system isolate...

Page 52: ...transmitter loop wiring Do the loop numbers match YES NO YES NO NO YES NO NO YES YES YES NO YES Check the sensor connection and correct it Is the sensor correctly connected NO Refer to error message s...

Page 53: ...ected Check the sensor connection and correct it Connect a communicator and check self diagnostics Contact Yokogawa service personnel F0911E EPS Are valves opened or closed correctly Is impulse piping...

Page 54: ...to operate and output Continues to operate and output AL 12 CAP TMP CT outside limit Capsule temperature is outside range 50 to 130 C AL 13 AMP TMP AT outside limit Amplifier temperature is outside ra...

Page 55: ...isted immediately before the error occurred Continues to operate and output AL 55 SP ADJ SP SPAN trim err SP ZERO trim err Check settings and change them as needed Check Simulation Mode Leave from Tem...

Page 56: ...0 to 850 273 to 1927 L M H Span Range Fixed Temperature K F C Measurement External Temperature Span Range FUNCTIONAL SPECIFICATIONS Output Dual output Both analog and pulse contact output can be obtai...

Page 57: ...m value In Auto mode mass flow can be measured with high accuracy The flow factors that are automatically compensated are discharge coefficient diameter of primary device upstream internal pipe diamet...

Page 58: ...gital communication Communication Requirements Safety approvals may affect electrical require ments HART Communication Distance Up to1 5 km 1 mile when using multiple twisted pair cables Communication...

Page 59: ...Cable gland Nickel plating brass Weight 2 7 kg 6 0 lb without integral indicator mounting bracket process connector and RTD cable Connections Refer to MODEL AND SUFFIX CODE Related Instruments Power D...

Page 60: ...Electrical connection Bolts and nuts material Installation Integral indicator Mounting bracket Fixed temperature without cable 5 RTD input with 0 5 m 1 64 ft of shielded cable and two cable glands RT...

Page 61: ...tandards Association CSA 1 Code 4 is not applicable Table 10 5 Wetted Parts Materials Cover flange and process connector ASTM CF 8M 1 Capsule gasket Teflon coated 316L SST Drain Vent plug 316 SST Caps...

Page 62: ...o 60 C Tp 100 C T120 C Tamb 40 to 60 C Tp 120 C Combined FF1 and FS1 CSA Explosionproof Approval 1 For CSA C22 2 Explosion proof for Class I Groups B C and D Dustignition proof for Class II III Groups...

Page 63: ...1000 A 1 40 s 100 times Applicable Standards IEC 61000 4 4 IEC 61000 4 5 Amplifier cover and terminal cover Munsell 7 5 R4 14 PR NAMUR NE43 Compliant Output signal limits 3 8 mA to 20 5 mA Failure ala...

Page 64: ...88 47 1 85 Integral Indicator optional Conduit connection for RTD for flame proof type Shrouding bolt Drain plug Low pressure side Vent plug High pressure side Ground terminal Zero adjustment 117 3 4...

Page 65: ...optional 95 3 74 221 8 70 79 3 11 Conduit connection For RTD 2 inch pipe O D 60 5 mm Integral indicator optional Shrouding bolt for flame proof type Unit mm approx inch Bottom Process Connection Type...

Page 66: ...t cable 3 5 3 9 3 Add CENELEC ATEX intrinsically safe type 3 6 3 10 Correct errors 3 11 Revise information for PED 3 12 Section added 7 1 7 1 Add note for fieldbus type in IMPORTANT notice 7 3 7 5 1 A...

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