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Quick Installation Guide

00825-0100-4750, Rev BB
January 2013

Rosemount 8750WA

Start

Step 1: Pre-Installation

Step 2: Handling

Step 3: Mounting

Step 4: Installation

(Flanged Sensors)

(Wafer Sensors)

Step 5: Grounding

Step 6: Wiring

Step 7: Basic Configuration

Product Certifications

End

Rosemount 8750WA Magnetic Flowmeter
System (Transmitter and Sensor)

4750RevBBQIG.fm Page 1 Friday, January 11, 2013 6:26 PM

Содержание Rosemount 8750WA

Страница 1: ...ary 2013 Rosemount 8750WA Start Step 1 Pre Installation Step 2 Handling Step 3 Mounting Step 4 Installation Flanged Sensors Wafer Sensors Step 5 Grounding Step 6 Wiring Step 7 Basic Configuration Product Certifications End Rosemount 8750WA Magnetic Flowmeter System Transmitter and Sensor ...

Страница 2: ...operating instructions unless qualified Verify that the operating environment of the sensor and transmitter is consistent with the appropriate FM or CSA approval WARNING The sensor liner is vulnerable to handling damage Never place anything through the sensor for the purpose of lifting or gaining leverage Liner damage can render the sensor useless To avoid possible damage to the sensor liner ends ...

Страница 3: ...echanical Considerations The mounting site for the Rosemount 8750WA transmitter should provide enough room for secure mounting easy access to conduit ports full opening of the transmitter covers and easy readability of the LOI screen see Figure 1 and Figure 2 If the Rosemount 8750WA transmitter is mounted separately from the sensor it is not subject to limitations that might apply to the sensor NO...

Страница 4: ...mount 8750WA 4 Figure 2 8750WA12E Dimensional Drawing 4 31 109 LOI Keypad Cover 9 01 229 11 15 283 2 81 71 3 11 79 12 02 305 0 44 11 Ground Lug 1 2 14 NPT Conduit Connection 4 Places WITH STANDARD COVER NOTE Dimensions are in inches millimeters 2 96 75 WITH LOI COVER ...

Страница 5: ...ncludes both detailed mechanical and electrical installation procedures Mount the Transmitter At a remote site the transmitter may be mounted on a pipe up to two inches in diameter or against a flat surface Pipe Mounting To mount the transmitter on a pipe 1 Attach the mounting bracket to the pipe using the mounting hardware 2 Attach the Rosemount 8750WA transmitter to the mounting bracket using th...

Страница 6: ...of the hardware switches If you need to change the switch settings complete the steps outlined in the manual Electrical Considerations Before making any electrical connections to the Rosemount 8750WA consider the local and plant electrical standards and be sure to have the proper power supply conduit and other accessories Rotate Transmitter Housing The integral electronics housing can be rotated o...

Страница 7: ...ansport the system to the installation site in the original shipping containers PTFE lined sensors are shipped with end covers that protect it from both mechanical damage and normal unrestrained distortion Remove the end covers just before installation Figure 3 Rosemount 8750WA Flanged Sensor Support for Handling through 4 Inch Sensors 6 Inch and Larger Sensors ...

Страница 8: ...al straight runs Flow Direction The sensor should be mounted so the FORWARD end of the flow arrow shown on the sensor identification tag points in the direction of flow through the sensor Sensor Orientation The sensor should be installed in a position that ensures the sensor remains full during operation Vertical installation allows upward process fluid flow and keeps the cross sectional area full...

Страница 9: ...tions as shown on the right of Figure 5 The electrodes in the Rosemount 8750WA wafer sensor are properly orientated when the top of the sensor is either vertical or horizontal as shown in Figure 6 Avoid any mounting orientation that positions the top of the sensor at 45 from the vertical or horizontal position Figure 5 Sensor Orientation Figure 6 Rosemount 8750WA Wafer Sensor Mounting Position FLO...

Страница 10: ...e suggested torque values Repeat the process on the downstream side of the sensor For sensors with more or less flange bolts tighten the bolts in a similar crosswise sequence Repeat this entire tightening sequence at 40 60 80 and 100 of the suggested torque values or until the leak between the process and sensor flanges stop If leakage has not stopped at the suggested torque values the bolts can b...

Страница 11: ... 100 mm 26 50 17 32 060 6 inch 150mm 45 50 30 37 080 8 inch 200 mm 60 82 42 55 100 10 inch 250 mm 55 80 40 70 120 12 inch 300 mm 65 125 55 105 140 14 inch 350 mm 85 110 70 95 160 16 inch 400 mm 85 160 65 140 180 18 inch 450 mm 120 170 95 150 200 20 inch 500 mm 110 175 90 150 240 24 inch 600 mm 165 280 140 250 300 30 inch 750 mm 195 1 2 1 Sensors ordered with flange option code A1 use MSS SP44 Clas...

Страница 12: ... 9 for the bolt hole locations recommended for the spacers provided Stud specifications are listed in Table 2 3 Place the sensor between the flanges Make sure that the alignment spacers are properly centered on the studs For vertical flow installations slide the oring over the stud to keep the spacer in place See Figure 9 To ensure the spacers match the flange size and class rating for the process...

Страница 13: ... hours after initial flange bolt tightening Rosemount Alignment Spacer Table Dash No Line Size Flange Rating in mm AA15 1 5 40 ANSI 150 AA20 2 50 ANSI 150 AA30 3 80 ANSI 150 AA40 4 100 ANSI 150 AA60 6 150 ANSI 150 AA80 8 200 ANSI 150 AB15 1 5 40 ANSI 300 AB20 2 50 ANSI 300 AB30 3 80 ANSI 300 AB40 4 100 ANSI 300 AB60 6 150 ANSI 300 AB80 8 200 ANSI 300 Table 4 Rosemount 8750WA Wafer Sensor Torque Sp...

Страница 14: ...nding Installation Process Grounding Options Type of Pipe Grounding Straps Grounding Rings Grounding Electrode Lining Protectors Conductive Unlined Pipe See Figure 10 Not Required Not Required See Figure 11 Conductive Lined Pipe Insufficient Grounding See Figure 11 See Figure 10 See Figure 11 Non Conductive Pipe Insufficient Grounding See Figure 12 on page 15 See Figure 13 on page 15 See Figure 12...

Страница 15: ...llation Guide 00825 0100 4750 Rev BB January 2013 Rosemount 8750WA 15 Figure 12 Grounding with Grounding Rings or Lining Protectors Figure 13 Grounding with Grounding Electrode Grounding Rings or Lining Protectors ...

Страница 16: ...d for best results in electrically noisy environments When preparing all wire connections remove only the insulation required to fit the wire completely under the terminal connection Removal of excessive insulation may result in an unwanted electrical short to the transmitter housing or other wire connections For flanged sensors installed into an application requiring IP68 protection sealed cable ...

Страница 17: ... be integral to the sensor or remotely mounted following the wiring instructions Remote Mount Cable Requirements and Preparation For installations using the individual coil drive and signal cable lengths should be limited to less than 1 000 feet 300 meters Equal length cable is required for each See Table 6 on page 18 For installations using the combination coil drive and signal cable lengths shou...

Страница 18: ...les Table 8 Combination Coil and Signal Cable Table 6 Cable Requirements Description Length Part Number Coil Drive Cable 14 AWG Belden 8720 Alpha 2442 or equivalent ft m 08712 0060 0001 08712 0060 2013 Signal Cable 20 AWG Belden 8762 Alpha 2411 or equivalent ft m 08712 0061 0001 08712 0061 2003 Combination Cable Coil Drive Cable 18 AWG and Signal Cable 20 AWG ft m 08732 0753 1003 08732 0753 2004 W...

Страница 19: ...two shield wires should be tied with the main shield wire at terminal 17 at the sensor terminal block and cut back to the insulation in the transmitter junction box See Figure 17 Figure 16 Remote Mount Wiring Diagrams Figure 17 Combination Coil and Signal Cable Wiring Diagram Transsmiter Tube Coil Drive Cable 1 Red 2 Green 3 Shield 17 Shield 18 Black 19 White Cut Shield Signal Cable 17 Shield 18 B...

Страница 20: ...e pair or multi pair varieties Unshielded cables may be used for short distances provided ambient noise and cross talk will not adversely impact communication The minimum conductor size is 0 51mm diameter 24 AWG for cable runs less than 1 500 meters 5 000 ft and 0 81mm diameter 20 AWG for longer distances Resistance in the loop must be 1000 ohms or less The 4 20 mA analog output loop signal may be...

Страница 21: ...onnect negative DC to Terminal 1 and positive DC to Terminal 2 See Figure 19 8750WA12E connect negative DC to Terminal 8 and positive DC to Terminal 7 See Figure 20 Figure 19 8750WA32E Analog Signal Wiring Diagram Figure 20 8750WA12E Analog Signal Wiring Diagram 4 20 mA 4 20 mA 4 20 mA 4 20 mA ...

Страница 22: ...connect any of the other output options pulse output and or digital input output consult the comprehensive product manual Powering the Transmitter The 8750WA transmitter is designed to be powered by 90 250 Vac 50 60 Hz or 12 42 Vdc Before connecting power to the Rosemount 8750WA consider the following standards and be sure to have the proper power supply conduit and other accessories Wire the tran...

Страница 23: ...al electrical control Installation Category The installation category for the 8750WA is Overvoltage Category II Overcurrent Protection The Rosemount 8750WA flowmeter transmitter requires overcurrent protection of the supply lines Maximum ratings of overcurrent devices are shown in Table 9 8750WA32E Power Supply For AC power applications 90 250 VAC 50 60 Hz connect AC Neutral to terminal 9 AC N L2 ...

Страница 24: ...r transmitter housings shipped with a cover jam screw the screw should be properly installed once the transmitter has been wired and powered up Follow these steps to install the cover jam screw 1 Verify that the cover jam screw is completely threaded into the housing 2 Install the transmitter housing cover and verify that the cover is tight against the housing 3 Using an M4 hex wrench loosen the j...

Страница 25: ...selected under the units parameter The URV may be set between 30 ft s to 30 ft s 10 m s to 10 m s LRV Lower Range Value Reset the lower range value LRV sets the 4 mA point for the analog output This value is typically set to zero flow The units that appear will be the same as those selected under the units parameter The LRV may be set between 30 ft s to 30 ft s 10 m s to 10 m s Line Size The line ...

Страница 26: ...op Test 1 2 2 3 Empty Pipe Limits 1 2 2 4 Empty Pipe EP Value 1 2 2 4 1 EP Trigger Level 1 2 2 4 2 EP Counts 1 2 2 4 3 Electronics Temp 1 2 2 5 Advanced Diagnostics 1 2 3 8714i Calibration Verification 1 2 3 1 Run 8714i Verification 1 2 3 1 1 8714i Results 1 2 3 1 2 Test Condition 1 2 3 1 2 1 Test Criteria 1 2 3 1 2 2 8714i Test Result 1 2 3 1 2 3 Simulated Velocity 1 2 3 1 2 4 Actual Velocity 1 2...

Страница 27: ...ise 1 2 4 3 5 Hz Signal to Noise Ratio SNR 1 2 4 4 37 Hz SNR 1 2 4 5 Signal Power 1 2 4 6 8714i results 1 2 4 7 Test Condition 1 2 4 7 1 Test Criteria 1 2 4 7 2 8714i Test Result 1 2 4 7 3 Simulated Velocity 1 2 4 7 4 Actual Velocity 1 2 4 7 5 Velocity Deviation 1 2 4 7 6 Transmitter Calibration Test Result 1 2 4 7 7 Tube Calibration Deviation 1 2 4 7 8 Tube Calibration Test Result 1 2 4 7 9 Coil ...

Страница 28: ...pper Sensor Limit USL 1 4 1 3 PV Lower Sensor Limit LSL 1 4 1 4 PV Minimum Span 1 4 1 5 Configure Output 1 4 2 Analog Output 1 4 2 1 PV URV 1 4 2 1 1 PV LRV 1 4 2 1 2 PV AO 1 4 2 1 3 AO Alarm Type 1 4 2 1 4 AO Loop Test 1 4 2 1 5 D A Trim 1 4 2 1 6 Scaled D A Trim 1 4 2 1 7 Alarm Level 1 4 2 1 8 Pulse Output 1 4 2 2 Pulse Scaling 1 4 2 2 1 Pulse Width 1 4 2 2 2 Pulse Mode 1 4 2 2 3 Pulse Output Lo...

Страница 29: ...Display 1 4 3 2 Totalizer Display 1 4 3 3 Display Lock 1 4 3 4 Signal Processing 1 4 4 Operating Mode 1 4 4 1 Manual Configure DSP 1 4 4 2 Status 1 4 4 2 1 Samples 1 4 4 2 2 Limit 1 4 4 2 3 Time Limit 1 4 4 2 4 Coil Drive Frequency 1 4 4 3 Low Flow Cutoff 1 4 4 4 PV Damping 1 4 4 5 Universal Trim 1 4 5 Device Info 1 4 6 Manufacturer 1 4 6 1 Tag 1 4 6 2 Descriptor 1 4 6 3 Message 1 4 6 4 Date 1 4 6...

Страница 30: ...e 1 1 1 Primary Variable 1 1 2 PV Loop Current 1 1 3 Totalizer Set Up 1 1 4 Totalizer Units 1 1 4 1 Gross Total 1 1 4 2 Net Total 1 1 4 3 Reverse Total 1 1 4 4 Start Totalizer 1 1 4 5 Stop Totalizer 1 1 4 6 Reset Totalizer 1 1 4 7 Pulse Output 1 1 5 Diagnostics 1 2 Diagnostic Controls 1 2 1 Basic Diagnostics 1 2 2 Self Test 1 2 2 1 AO Loop Test 1 2 2 2 Pulse Output Loop Test 1 2 2 3 Tune Empty Pip...

Страница 31: ...1 2 4 Actual Velocity 1 2 3 1 2 5 Velocity Deviation 1 2 3 1 2 6 Xmtr Cal Test Result 1 2 3 1 2 7 Sensor Cal Deviation 1 2 3 1 2 8 Sensor Cal Test Result 1 2 3 1 2 9 Coil Circuit Test Result 1 1 2 3 1 2 10 Electrode Circuit Test Result 1 1 2 3 1 2 11 Sensor Signature 1 2 3 1 3 Signature Values 1 2 3 1 3 1 Coil Resistance 1 2 3 1 3 1 1 Coil Signature 1 2 3 1 3 1 2 Electrode Resistance 1 2 3 1 3 1 3...

Страница 32: ...Velocity 1 2 4 7 5 Velocity Deviation 1 2 4 7 6 Xmtr Cal Test Result 1 2 4 7 7 Sensor Cal Deviation 1 2 4 7 8 Sensor Cal Test Result 1 2 4 7 9 Coil Circuit Test Result 1 2 4 7 10 Electrode Circuit Test Result 1 2 4 7 11 Trims 1 2 5 D A Trim 1 2 5 1 Scaled D A Trim 1 2 5 2 Digital Trim 1 2 5 3 Auto Zero 1 2 5 4 Universal Trim 1 2 5 5 View Status 1 2 6 Basic Setup 1 3 Tag 1 3 1 Flow Units 1 3 2 PV U...

Страница 33: ...vel 1 4 2 1 8 Pulse Output 1 4 2 2 Pulse Scaling 1 4 2 2 1 Pulse Width 1 4 2 2 2 Pulse Output Loop Test 1 4 2 2 3 DI DO Output 1 4 2 3 DI DO 1 1 4 2 3 1 Configure I O 1 1 4 2 3 1 1 DIO 1 Control 1 4 2 3 1 2 Digital Input 1 1 4 2 3 1 3 Digital Output 1 1 4 2 3 1 4 DO 2 1 4 2 3 2 Flow Limit 1 1 4 2 3 3 Control 1 1 4 2 3 3 1 Mode 1 1 4 2 3 3 2 High Limit 1 1 4 2 3 3 3 Low Limit 1 1 4 2 3 3 4 Flow Lim...

Страница 34: ... 4 2 5 7 Alarm Level 1 4 2 6 HART Output 1 4 2 7 Variable Mapping 1 4 2 7 1 TV is 1 4 2 7 1 1 QV is 1 4 2 7 1 2 Poll Address 1 4 2 7 2 of Req Preams 1 4 2 7 3 Resp Preams 1 4 2 7 4 Burst Mode 1 4 2 7 5 Burst Option 1 4 2 7 6 LOI Config 1 4 3 Language 1 4 3 1 Flow Rate Display 1 4 3 2 Totalizer Display 1 4 3 3 Display Lock 1 4 3 4 Signal Processing 1 4 4 Operating Mode 1 4 4 1 Man Config DSP 1 4 4 ...

Страница 35: ... 1 1 4 6 11 1 Flange Material 1 1 4 6 11 2 Electrode Type 1 1 4 6 11 3 Electrode Material 1 1 4 6 11 4 Liner Material 1 1 4 6 11 5 Review 1 5 1 Scroll through the menu on the Field Communicator to access this item Rosemount 8750WA32ES Flow Transmitter Power supply 250 V ac 1 A or 50 Vdc 2 5 A 20 W maximum Pulsed output circuit 30 V dc pulsed 0 25 A 7 5 W maximum 4 20 mA output circuit 30 V dc 30 m...

Страница 36: ...12 at 40 C T5 8750WA32 at 60 C Enclosure Type 4X N5 Division 2 Approval All Transmitters For sensors with IS electrodes only Reference Rosemount Control Drawing 08732 1052 8750WA Class I Division 2 Groups A B C D Temp Codes T4 8750WA12 at 40 C T4 8750WA32 at 60 C 50 C Ta 60 C Dust ignition proof Class II III Division 1 Groups E F G Temp Codes T5 8750WA12 at 40 C T5 8750WA32 at 60 C Enclosure Type ...

Страница 37: ...Quick Installation Guide 00825 0100 4750 Rev BB January 2013 Rosemount 8750WA 37 ...

Страница 38: ...Quick Installation Guide 00825 0100 4750 Rev BB January 2013 Rosemount 8750WA 38 ...

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