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Troubleshooting & Service

The Transmitter

9-2

SGD-O User Guide

Thermo Fisher Scientific

This section provides troubleshooting procedures for the SGD-O

transmitter.

The instrument sends continuous readouts to the display. If the display is

blank, the readout is dim, or the readout displays in a yellow-green color,

increase the contrast by pressing the up arrow on the transmitter keypad.
If the display consists of dark rectangles, decrease the contrast by pressing

the down arrow.
If adjusting the contrast does not correct the display problem, first verify

the power supply at the source. If this is not the problem, remove power

from the transmitter. Open the enclosure and verify that the keypad cable

is properly installed on the CPU board.
If transmitter still does not display, the CPU board may be malfunctioning.

Refer to the SGD-O installation manual for instructions on replacing

boards in the transmitter.

If you suspect a problem with the DC power fuse, power down the unit

and measure the resistance with a multimeter. If the fuse is good, the

reading will be approximately 0 ohms.
You can also look at the fuse and determine it is bad if it looks brown.

Note

See

Figure 9–1

. If you are using a 12 Vdc board, the fuse is at F2.



Figure 9–1.

DC power fuses on the I/O relay board

The Transmitter

The Display

The DC Power Fuse

Содержание SGD-O

Страница 1: ...Part of Thermo Fisher Scientific SGD O Non Contacting Density Gauge For Fracturing Cementing User Guide P N 717910 Revision D...

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Страница 3: ...SGD O Non Contacting Density Gauge For Fracturing Cementing User Guide P N 717910 Revision D...

Страница 4: ......

Страница 5: ...the accuracy and completeness of this manual However we cannot be responsible for errors omissions or any loss of data as the result of errors or omissions Thermo Fisher reserves the right to make ch...

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Страница 7: ...sher Scientific SGD O User Guide v Revision History Revision Level Date Comments A 10 2007 Initial release ERO 5984 B 04 2008 Revised per ECO 6268 C 04 2008 Revised per ECO 6298 D 01 2012 Revised per...

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Страница 9: ...1 6 Getting Started 2 1 Powering the Transmitter 2 1 Interface 2 1 The Direct Access Method 2 1 Changing or Viewing Parameters 2 2 Issuing Commands 2 2 Detector Setup Pre Calibration 3 1 Procedure 3...

Страница 10: ...The Transmitter 9 2 The Display 9 2 The DC Power Fuse 9 2 The Detector 9 3 The FSU Pre Amp Board 9 5 Reset Pulse Width Tests 9 7 Gain Test 9 8 Disassembly 9 8 Contact Information 9 9 Warranty 9 10 Ord...

Страница 11: ...performed safely it must not be performed until appropriate actions can be taken to ensure the safety of the equipment and personnel The procedures in this manual are not designed to replace or super...

Страница 12: ...utions notify users of operating procedures practices conditions etc which may result in equipment damage if not carefully observed or followed Note Notes emphasize important or essential information...

Страница 13: ...ith an amplifier and the SGD O transmitter The transmitter processes the detector signal to provide a signal output proportional to the density of the slurry the mass of solids added per volume of car...

Страница 14: ...verview Introduction 1 2 SGD O User Guide Thermo Fisher Scientific Figure 1 2 Example of a shutterless unit installed on a high pressure pipe Figure 1 3 Example of a unit with shutter low pressure app...

Страница 15: ...elded to a high pressure pipe and designed to handle high vibration applications For the source head without a shutter the back of the detector is designed with extra metal thickness to allow the radi...

Страница 16: ...ion that reaches it That current is amplified by the detector electronics to a measurable voltage in the range of 0 10 Vdc This output voltage is sent to the transmitter for processing The SGD O trans...

Страница 17: ...re as loop powered by removing a jumper Serial communications RS232 1 terminal block Full duplex communication with remote terminal or PC Current input 4 20 mA DC current input Relays Two relays optio...

Страница 18: ...hermo Fisher Scientific In addition to this guide the following documents must be read and understood by all persons installing using or maintaining this equipment SGD O Installation Guide p n 717913...

Страница 19: ...he power cord is configured properly for the required power input With the direct access method users input codes for parameters that need to be changed or codes to issue commands to the transmitter T...

Страница 20: ...uge will return to its normal display mode To change the value enter the new value and press the down arrow EXIT SETUP The gauge will begin using the new value immediately and will return to normal di...

Страница 21: ...a shutter and you can skip this step 2 Remove the lid of the detector housing Set it aside leaving the wiring from the lid to the detector connected 3 Verify that the J1 connector is running parallel...

Страница 22: ...ility that the pre amp board requires repair or replacement Refer to the troubleshooting procedure in Chapter 9 If the output voltage will adjust with R35 but will not get up to the 9 6 Vdc required c...

Страница 23: ...faults 2 Load the standard oilfield setup into transmitter memory DAC 1016 After loading the setup the top line of the display will be Measurement 1 which is lbs Usg SolAdd This unit is equal to today...

Страница 24: ...he ratio is not near the one shown for your pipe ID then an error occurred Stop the calibration process and start again 7 Refer to Appendix C There are four calibration tables grouped by pipe ID Using...

Страница 25: ...lue ZnCl 13 Enter the calculated ZnCl value calculated in step 12 into memory DAC 133003 Note Values in scientific notation values greater than 99999 must be entered differently Enter the base first T...

Страница 26: ...ue is not 1 812 g ml observe how far off the value is Make another adjustment to the slope correction factor DAC 049003 Return to the main screen and wait for the screen to update Repeat this process...

Страница 27: ...the gauge display 2 Recall the carrier specific gravity DAC 085003 Record the value that is displayed This is the value used during calibration and you will need to re enter this value when the curre...

Страница 28: ...e is now fully calibrated and ready to use Both the Pounds of Sand Added and the Pounds per Gallon indications will be correct When the job is finished return the carrier density to its original value...

Страница 29: ...mA divide 4 0 by 3 98 4 0 3 98 1 005 In this case the correction factor is 1 005 Enter the correction factor DAC 053013 Note The initial value in this formula is the measured value of the 4 mA output...

Страница 30: ...turn the current output to its normal operation The output of the detector input to the transmitter is a voltage signal 0 10 Vdc maximum Read the signal DAC 112003 The value is displayed in scientific...

Страница 31: ...cation Note This chapter applies to the SGD O FSU pre amp board 885623 at revision F or later Note Before proceeding verify that the R1 and R28 factory adjustments have not been altered If those adjus...

Страница 32: ...aminated the detector signal will fluctuate making the detector ineffective Use only clean metal tools to touch these components Do not apply any kind of cleaner to them For most applications the valu...

Страница 33: ...100 mCi 330 or 470 pF 1X or 2X 2 HP 145 mCi 330 or 470 pF 1X 2 HP 200 mCi 330 470 or 680 pF 1X 3 HP 200 mCi 330 pF 1X 4 HP LP 200 mCi 330 or 470 pF 1X or 2X 6 LP 200 mCi 330 or 470 pF 2X 8 LP 200 mCi...

Страница 34: ...gain If you are already on the lowest gain and the voltage will not go down the factory pot settings may have been changed Verify the R1 and R28 factory settings Changing C13 will move the entire gain...

Страница 35: ...e provides more versatility to adjusting the current in the feedback loop to the op amp X6 W2 jumper 8 25 kohm resistor used as W3 jumper R36 changed to 4 12 kohm Using the resistor instead of the wir...

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Страница 37: ...y six months The shutter check consists of the following two steps 1 Slide the shutter to each position to make sure it functions properly 2 Visually inspect the shutter ensuring it has not been damag...

Страница 38: ...ic Figure 8 1 Source identification tag example Figure 8 2 DOT 7A Type A label with General License information The DOT 7A Type A label example above p n 702272 provides General License information an...

Страница 39: ...ample with Specific License information The DOT 7A Type A label example above p n 700192 provides Specific License information and is only used on instruments going to customers with a Specific Licens...

Страница 40: ...be completed every 36 months in the United States or every 12 months in Canada Thermo Fisher is licensed to perform these tests and can do so through contract services If you are currently using the l...

Страница 41: ...o values are not available it is not possible to perform this procedure Note Reference Chapter 2 for instructions on how to use a DAC 1 Erase memory DAC 74 2 Load the oilfield setup DAC 1016 3 Enter t...

Страница 42: ...er supply at the source If this is not the problem remove power from the transmitter Open the enclosure and verify that the keypad cable is properly installed on the CPU board If transmitter still doe...

Страница 43: ...shooting of the detector If you suspect a problem with the pre amp board specifically also follow the procedure in the next section The FSU Pre Amp Board The locations of the components and jumpers re...

Страница 44: ...of the transmitter VPI board 3 Measure pin 2 to pin 3 of J1 This is the output of the detector It should be 9 6 Vdc with air in the pipe If the output is 9 6 Vdc 3 0 volts use the R35 potentiometer on...

Страница 45: ...ial cable to test point 6 Measure the voltage at test point 6 and use the R28 pot to set this voltage to 80 mV Measure the Vdc on test point 1 and use the R1 pot to set this voltage to 5 mV This secti...

Страница 46: ...pre amp board This voltage can be checked on the positive side of C21 Measure 15V and 15V supply current tap voltages 15V Voltage drop across R11 should be between 80 mV and 220 mV 15V Voltage drop ac...

Страница 47: ...with no radiation on the detector Test point 6 will ramp down from approximately 7 volts to 10 volts and reset The speed of the ramp is proportional to the amount of radiation on the detector With no...

Страница 48: ...han 10 mV Remove the 4 7 x 1010 ohm resistor Disassembly of the instrument is not allowed The only exception to this statement is for those with a Specific License that contains special permission to...

Страница 49: ...USA 1 800 437 7979 1 713 272 0404 direct 1 713 4573 fax 14 Gormley Industrial Avenue Gormley Ontario L0H 1G0 CANADA 1 905 888 8808 1 905 888 8828 fax Unit 702 715 7 F Tower West Yonghe Plaza No 28 An...

Страница 50: ...aterial or workmanship and which are reported to Thermo Fisher within the warranty period as provided above This right to replacement shall be Buyer s exclusive remedy against Thermo Fisher Thermo Fis...

Страница 51: ...886420 1 Display board 886724 CPU board without EPROM 886765 CPU board with EPROM 886675 1 I O board 24 Vdc input 886675 3 I O board 12 Vdc input 886675 5 I O board no DC input CP6879901 VPI board mod...

Страница 52: ...Lid MS Conn 818100 Cable MS Conn Table A 4 Detector Transmitter Cables P N Description 810121 20 ft cable 810122 30 ft cable 817603 100 ft cable 817604 150 ft cable Table A 5 Spares P N Description 05...

Страница 53: ...nsistent with 100 in 1 azimuth followed by 100 drops in perpendicular azimuth Operating temperature 58 F to 140 F 50 C to 60 C Housing Source head Model 5190 5192 Detector Stainless steel 316 or carbo...

Страница 54: ...Specifications B 2 SGD O User Guide Thermo Fisher Scientific Keypad 10 keys external Housing Stainless steel 316 Mounting Transmitter can be mounted 150 ft 45 72 m from the detector...

Страница 55: ...014 0 206 0 3376 0 226 0 3598 0 246 0 3814 0 266 0 4025 0 207 0 3387 0 227 0 3609 0 247 0 3825 0 267 0 4035 0 208 0 3399 0 228 0 3620 0 248 0 3835 0 268 0 4045 0 209 0 3410 0 229 0 3631 0 249 0 3846 0...

Страница 56: ...291 0 4281 0 321 0 4579 0 351 0 4870 0 381 0 5152 0 292 0 4291 0 322 0 4589 0 352 0 4879 0 382 0 5161 0 293 0 4301 0 323 0 4599 0 353 0 4889 0 383 0 5170 0 294 0 4311 0 324 0 4609 0 354 0 4898 0 384...

Страница 57: ...411 0 5427 0 441 0 5697 0 471 0 5960 0 501 0 6219 0 412 0 5436 0 442 0 5706 0 472 0 5969 0 502 0 6227 0 413 0 5446 0 443 0 5714 0 473 0 5978 0 503 0 6236 0 414 0 5455 0 444 0 5723 0 474 0 5986 0 504...

Страница 58: ...531 0 6472 0 561 0 6721 0 591 0 6966 0 621 0 7208 0 532 0 6481 0 562 0 6730 0 592 0 6675 0 622 0 7216 0 533 0 6489 0 563 0 6738 0 593 0 6983 0 623 0 7224 0 534 0 6497 0 564 0 6746 0 594 0 6991 0 624...

Страница 59: ...651 0 7445 0 681 0 7679 0 711 0 7910 0 741 0 8138 0 652 0 7453 0 682 0 7687 0 712 0 7918 0 742 0 8146 0 653 0 7461 0 683 0 7695 0 713 0 7926 0 743 0 8153 0 654 0 7469 0 684 0 7703 0 714 0 7933 0 744...

Страница 60: ...761 0 8288 0 771 0 8363 0 781 0 8438 0 791 0 8512 0 762 0 8296 0 772 0 8371 0 782 0 8445 0 792 0 8519 0 763 0 8303 0 773 0 8378 0 783 0 8452 0 793 0 8526 0 764 0 8311 0 774 0 8386 0 784 0 8460 0 794...

Страница 61: ...341 0 4817 0 371 0 5101 0 401 0 5378 0 312 0 4535 0 342 0 4827 0 372 0 5110 0 402 0 5387 0 313 0 4545 0 343 0 4837 0 373 0 5120 0 403 0 5396 0 314 0 4555 0 344 0 4846 0 374 0 5129 0 404 0 5405 0 315...

Страница 62: ...241 0 3870 0 271 0 4186 0 301 0 4489 0 212 0 3553 0 242 0 3881 0 272 0 4196 0 302 0 4499 0 213 0 3564 0 243 0 3892 0 273 0 4206 0 303 0 4509 0 214 0 3575 0 244 0 3903 0 274 0 4216 0 304 0 4519 0 215...

Страница 63: ...1 0 2309 0 141 0 2708 0 171 0 3080 0 201 0 3430 0 112 0 2323 0 142 0 2721 0 172 0 3092 0 202 0 3441 0 113 0 2336 0 143 0 2733 0 173 0 3104 0 203 0 3453 0 114 0 2350 0 144 0 2746 0 174 0 3115 0 204 0 3...

Страница 64: ...20 0 3643 0 230 0 3752 0 240 0 3860 0 221 0 3654 0 231 0 3763 0 241 0 3871 0 222 0 3665 0 232 0 3774 0 242 0 3882 0 223 0 3676 0 233 0 3785 0 243 0 3892 0 224 0 3687 0 234 0 3796 0 244 0 3903 0 225 0...

Страница 65: ...r air ratio 118003 7 Use pipe size and water air ratio to obtain the factor from the tables Appendix C Record the factor Calibration tables in user guide 8 Clear Cal Point Pending message 49 9 Reset C...

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Страница 67: ...el 2 116023 Time constant 007004 128 seconds 8 seconds recommended Slope correction factor labeled slope 049003 1 000 Calibration density 024003 Top of span reading at 20 mA Solids added Volume of car...

Страница 68: ...metric units 1014 Preload configuration for SGD O oilfield in English units 1016 Hold input at value indicated by parameter 133003 137 Hold current output at 50 12 mA for a 4 20 mA 2 Hold current outp...

Страница 69: ...Thermo Fisher Scientific SGD O User Guide F 1 Appendix F Toxic Hazardous Substances Tables The English and Chinese versions of the Toxic and Hazardous Substances tables are below...

Страница 70: ...This page intentionally left blank...

Страница 71: ...moscientific com Enter the product name SGD O as the search term and click the Resources tab Table G 1 Technical bulletins TB Title TB 0416 002 Adjusting Gain Settings for the Thermo Scientific SGD O...

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Страница 73: ...Thermo Fisher Scientific 81 Wyman Street P O Box 9046 Waltham Massachusetts 02454 9046 United States www thermofisher com...

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