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6-2

EN

FIGURE 6-2. Replacement Parts for the Model PX2088.

(1)  One spare part is recommended for every 25 transmitters in category A, and one spare part for 

every 50 transmitters in category B.

(2)  Assembly hardware is included.
(3)  Engineering Unit Label Provided.

Part Description

Item No.

Part Number

Spares Category

(1)

Analog Transmitters 
(Output Codes A and M)

Electronics Cover 
LCD Meter Cover Assembly
Cover O-rings
Electronics Board Kits

(2)

A Output (4–20 mA)
M Output (1–5 V)

Transient Protection

A Output (4–20 mA)
M Output (1–5 V)

Optional Mounting Bracket

(with 2-inch U-Bolt for Pipe 
Mounting)

LCD Meter Kit with Cover

(3)

LCD Meter Kit without Cover

(3)

1
6
2

3
3

--
--

4

5, 6

5

02088-0014-0002
02088-0075-0003
02088-0073-0001

02088-0076-0001
02088-0077-0001

02088-0214-0001
02088-0216-0001

02088-0071-0001

02088-0075-0001
02088-0075-0002

B
B

A
A

A
A

A

2

0

8

8

-2

08

8A03

B

20

88

-2

08

8A04

B

4

LCD Meter Cover Assembly 
includes LCD Cover and O-ring

1

2

3

5

6

1

2

20

90

-20

8

8

D

03

A

4690.bk : 4690.s6  Page 2  Tuesday, May 26, 1998  5:28 PM

Содержание PX2088

Страница 1: ...User s Guide Model PX2088 Pressure Transmitter http www omega com e mail info omega com PX2088 Pressure Transmitter...

Страница 2: ...Toll Free 0800 1 66342 e mail czech omega com France 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 FAX 33 130 699 120 Toll Free in France 0800 4 06342 e mail france omega com Germany Austria Dai...

Страница 3: ...ommunicator 2 2 Review Configuration Data 2 3 Review 2 3 Check Output 2 3 Process Variables 2 3 Basic Setup 2 4 Tag 2 4 Output Units 2 4 Rerange 2 5 Damping 2 6 Detailed Setup 2 6 Meter Setup 2 6 Burs...

Страница 4: ...e Zero 3 4 Setting the Span 3 5 SECTION 4 Installation Overview 4 1 Safety Messages 4 1 Installation 4 3 Installation Procedures 4 3 Model PX2088 4 3 Wiring Connections PX2088 4 8 Power Supply 4 10 Fa...

Страница 5: ...CD Meter for Smart Transmitters 7 1 Diagnostic Messages 7 2 LCD Meter for Analog Transmitters 7 4 Diagnostic Message Display 7 5 Installation 7 5 Configuration 7 6 Positioning the Decimal Point 7 7 Sc...

Страница 6: ...iv APPENDIX A Model HC275 HART Communicator Overview A 1 Safety Messages A 1 Menu Tree A 2 Fast Key Sequences A 3 4690 bk 4690 toc Page iv Tuesday May 26 1998 5 28 PM...

Страница 7: ...mitters can be created Possible causes include physical damage to the isolator diaphragms process fluid freezing isolator corrosion due to an incompatible process fluid etc A transmitter with an oil f...

Страница 8: ...nd on line variables Section 3 Commissioning the Analog Transmitter This section provides information on commissioning and operating the Model PX2088 Analog Pressure Transmitter Section 4 Installation...

Страница 9: ...onnection to the transmitter terminal block Keep the following safety messages in mind whenever you perform an operation requiring cover removal or the connection of a communicator to a measurement lo...

Страница 10: ...ator loop connection and the power supply You can connect the communicator leads at any termination point in the signal loop but it is most convenient to connect them to the terminals labeled COMM on...

Страница 11: ...n this section of the manual if a change to the transmitter configuration data is necessary CHECK OUTPUT Before performing other transmitter on line operations review the digital output parameters to...

Страница 12: ...tag may be up to eight characters long and has no impact on the primary variable readings of the transmitter Output Units The Unit command sets the desired primary variable units Set the transmitter o...

Страница 13: ...4 and 20 mA points independently without a pressure input To rerange using only the communicator enter the fast key sequence above select 1 Keypad input and follow the on line instructions Or enter th...

Страница 14: ...erform the following procedure 1 Select 1 Device setup 4 Detailed setup 3 Output condition 4 Meter options to prepare to change the meter settings 2 Select the appropriate variable configuration from...

Страница 15: ...trol system to initiate a request The transmitter will receive the request process the response message and then continue bursting the data approximately three times per second Save Recall or Clone Co...

Страница 16: ...nal calibration it does not affect the transmitter s interpretation of the input Calibration Overview Complete calibration of the Model PX2088 Smart Pressure Transmitter involves one or more of the fo...

Страница 17: ...the AO reading on the communicator does not match the digital readout device and you are certain your test equipment is accurate perform an output trim Sensor Trim You can trim the sensor using either...

Страница 18: ...ttach a communicator to the measurement loop 2 From the communicator main menu select 1 Device setup 2 Diagnostics and service 3 Calibration 3 Sensor trim 1 Zero trim to prepare to adjust the zero tri...

Страница 19: ...alog trim or the scaled digital to analog trim function Digital to Analog Trim To perform a digital to analog trim perform the following procedure 1 From the HOME screen select 1 Device setup 2 Diag S...

Страница 20: ...esistance DIAGNOSTICS AND SERVICE Test Device The Test device command initiates a more extensive diagnostic routine than that performed continuously by the transmitter If the transmitter test detects...

Страница 21: ...leased phone lines Note that Burst Mode Operation is not compatible with multidrop communications The application of a multidrop installation requires consideration of the update rate necessary from...

Страница 22: ...equences To activate multidrop communication the transmitter address must be changed to a number from 1 to 15 Polling a Multidropped Loop Polling a multidropped loop determines the model address and n...

Страница 23: ...ansmitter terminal block Keep the following safety messages in mind whenever you perform an operation requiring cover removal or connection to a measurement loop 1 Failure to follow safe commissioning...

Страница 24: ...tter are provided in both the terminal and the electronics compartments To connect an ammeter in the terminal compartment connect the positive lead to the terminal marked TEST and the negative lead to...

Страница 25: ...set to the RUN position at the factory and should remain there under normal operation The selector switch must be returned to the RUN position after setting the proper calibration Failure to return t...

Страница 26: ...t NOTE When the transmitter output is saturated below 4 mA or above 20 mA the potentiometer may appear to have no effect on the transmitter calibration because the microprocessor is adjusting the cali...

Страница 27: ...e reads the 20mA 5 Return the switch to RUN The selector switch should not be set to the Z position unless the potentiometer will be adjusted Failure to adjust the potentiometer while in the Z positio...

Страница 28: ...3 6 EN 4690 bk 4690 s3 Page 6 Tuesday May 26 1998 5 28 PM...

Страница 29: ...uments in the loop are installed in accordance with intrinsically safe or non incendive field wiring practices n Verify that the operating atmosphere of the transmitter is consistent with the appropri...

Страница 30: ...Steps until Calibrated Mount Transmitter Apply Pressure Refer to Troubleshooting Section Within Specifications VERIFY START HERE Bench Calibration FIELD INSTALL A B Smart Analog Set Output Type Check...

Страница 31: ...ling impulse piping Liquids Make the line tap on the side of the pipe to prevent sediment deposits from plugging the impulse line or transmitter Mount the transmitter level with or below the tap so ga...

Страница 32: ...2088 2088A01A C B GAS SERVICE LIQUID OR STEAM SERVICE GAS OR LIQUID SERVICE 2 inch U Bolt for Pipe Mounting NOTE Dimensions are in inches millimeters 1 25 32 Hex 5 97 152 2 48 63 3 10 79 Mounting bra...

Страница 33: ...o prevent moisture accumulating in the field terminal side of the transmitter housing Also install wiring with a drip loop with the bottom of the drip loop lower than the conduit connection of the tra...

Страница 34: ...s if used must be included Figure 4 9 shows the transmitter power supply load limitations FIGURE 4 9 Transmitter Load Limitations Signal loop may be grounded at any point or left ungrounded Power Supp...

Страница 35: ...he failure mode configuration of your transmitter review the failure mode options using a Model HC275 HART Communicator NOTE The failure mode configuration whether standard or NAMUR compliant is confi...

Страница 36: ...ove power 2 Remove the housing cover opposite the field terminal side Do not remove the instrument cover in explosive atmospheres when the circuit is alive 3 Reposition the jumper Avoid contact with t...

Страница 37: ...nsmitter security jumper is in the ON position or if the local zero and span adjustments are disabled through the software you will not be able to make adjustments to the zero and span using the local...

Страница 38: ...is necessary to make zero or span adjustments after installation of the transmitter use the zero span selector switch and the potentiometers to rerange the transmitter 4690 bk 4690 s4 Page 14 Tuesday...

Страница 39: ...mally for a period of time Sustained oil loss will eventually cause one or more of the operating parameters to exceed published specifications while a small drift in operating point output continues S...

Страница 40: ...ply Check the output voltage of the power supply at the transmitter 1 Other Components Replace the transmitter Erratic Output Impulse Piping Check for leaks or blockage in the impulse line Check to en...

Страница 41: ...polarity at the signal terminals Check the loop impedance Electronics Replace the electronics board and recalibrate the transmitter Other Components Replace the transmitter Symptom Potential Source Co...

Страница 42: ...ge in the impulse line Check to ensure that the blocking valve is fully open Check for trapped gas in a liquid line or trapped liquid in a gas line Check to ensure that the density of the fluid in the...

Страница 43: ...ompliant Operation Optional Mounting Bracket with 2 inch U Bolt for Pipe Mounting LCD Meter Kit with Cover LCD Meter Kit without Cover Local Zero and Span Kit Standard Terminal Block Transient Protect...

Страница 44: ...er O rings Electronics Board Kits 2 A Output 4 20 mA M Output 1 5 V Transient Protection A Output 4 20 mA M Output 1 5 V Optional Mounting Bracket with 2 inch U Bolt for Pipe Mounting LCD Meter Kit wi...

Страница 45: ...4690 bk 4690 s6 Page 10 Tuesday May 26 1998 5 28 PM...

Страница 46: ...ion n Engineering Units n Percent of Range n User Configurable LCD Scale n Alternating between any two of the above The user configurable scale is a new feature that enables you to configure the LCD m...

Страница 47: ...and the sensor module are incompatible FAIL MODULE The sensor module is disconnected or is malfunctioning Verify that the sensor module ribbon cable is connected to the back of the electronics board...

Страница 48: ...on Page 4 11 LOOP TEST A loop test is in progress During a loop test or 4 20 mA trim the analog output is set to a fixed value The meter display alternates between the current selected in milliamps an...

Страница 49: ...on on the software lockout WRITE PROTCT The write protect SECURITY jumper is set to disable changes to the transmitter configuration data Refer to Failure Mode and Security Jumpers on page 4 11 for mo...

Страница 50: ...board and attaching the local indicator To install an LCD meter perform the following procedure Remove the cover from the electronics side of the transmitter 1 Loosen the two captive screws holding th...

Страница 51: ...t board To measure the transmitter output during calibration connect an ammeter to the test terminals in the terminal compartment of the electronics enclosure Output Code A For additional information...

Страница 52: ...selector switch to the RUN position FIGURE 7 3 Local Indicator Dimensional Drawings Scaling the Display 1 Apply pressure to the transmitter that represents the zero calibration 2 Place the meter selec...

Страница 53: ...l the indicator displays the desired value Potentiometer Adjustment on Page 3 4 8 Return the meter selection switch to the RUN position 9 Select the appropriate adhesive label and apply it to the indi...

Страница 54: ...er removal and communicator connection to the transmitter terminal block Keep the following safety messages in mind whenever you perform an operation requiring cover removal or the connection of a com...

Страница 55: ...P 5 REVIEW 1 TEST DEVICE 2 Loop Test 3 CALIBRATION 1 RERANGE 2 ANALOG OUTPUT TRIM 3 SENSOR TRIM 1 Pressure 2 Range 1 PROCESS VARIABLES 2 SENSOR TRIM 3 Unit Online Menu 1 Zero Trim 2 Lower Sensor Trim...

Страница 56: ...p Test 1 2 2 Lower Range Value 4 1 Lower Sensor Trim 1 2 3 3 2 Message 1 3 4 3 Meter Type 1 3 7 1 Number of Requested Preambles 1 4 3 3 2 Output Trim 1 2 3 2 Percent Range 1 1 2 Poll Address Left Arro...

Страница 57: ...4690 bk 4690 apb Page 12 Tuesday May 26 1998 5 28 PM...

Страница 58: ...shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA...

Страница 59: ...addlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipme...

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