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IM80B80T10E

21th Edition : Jul.1,2007-00

Revision Information

 Title 

:  ELECTROMAGNETIC LOG 

 

  EML 500 Series User’s Manual

 Manual No.  :  IM 80B80T10E

Jun, 1995 

1st Edition

Mar, 1996  

2nd Edition

May, 1997 

3rd Edition

Jul, 1997 

4th Edition

Aug, 1997 

5th Edition

Sep, 1997 

6th Edition

Oct, 1997 

7th Edition

Oct, 1997 

8th Edition

Apr, 1998 

9th Edition

Nov, 1998 

10th Edtion

Jan, 1999 

11th Edition

Jan, 1999 

12th Edition

Mar, 1999 

13th Edition

Sep, 1999 

14th Edition

Apr, 2001 

15th Edition

Mar, 2002 

16th Edition

Nov, 2002 

17th Edtion

Jun, 2003 

18th Edtion

Nov, 2004 

19th Edition

Jun, 2006 

20th Edition

Jul, 2007 

21th Edition

 Inquiries

For inquiries about the content of this manual, please visit the following URL. Also 

visit the Yokogawa Denshikiki website at the following address for information on this 

product.

URL for inquiries: 

   Yokogawa Denshikiki website: http://www.yokogawa.com/YDK/contact.htm

 Written by    Yokogawa Denshikiki Co,.Ltd. 

 Published by  Yokogawa Denshikiki Co,.Ltd. 

 

  5-23-13 Sendagaya, Shibuya-ku, Tokyo 151-0051, JAPAN

Содержание EML500 Series

Страница 1: ...ELECTROMAGNETIC LOG EML500 Series User s Manual IM 80B80T10E IM 80B80T10E 21th Edition...

Страница 2: ...3 Master Unit LT501 3 5 3 3 4 Master Indicator LR523 3 5 3 3 5 Speed Indicator LR524 single indication and LR525 dual indication 3 6 4 OPERATION 4 1 4 1 Starting and Stopping 4 1 4 1 1 Starting 4 1 4...

Страница 3: ...6 6 5 Milepost Measurement Maintenance Mode 6 9 6 5 1 Automatic Milepost measurement 6 10 6 5 2 Manual milepost Measurement 6 13 6 5 3 Display Alteration Deletion of Milepost Data Maintenance Mode 6...

Страница 4: ...ul 1 2007 00 Appendix 5 List of Components A 5 Appendix 6 Installation and Adjustment Certificate A 8 Appendix 7 Calibration and Measurement Record A 11 Appendix 8 Contrast of digital display and char...

Страница 5: ...Blank Page...

Страница 6: ...is manual No part of this manual may be reproduced in any form without our written permission Exemption from Responsibility YOKOGAWA Denshikiki makes no warranties regarding the product except those s...

Страница 7: ...ved before closing the valve seawater will spew out through the valve To remove the chain fully close the valve for the HS HV and FA models Then remove the chain CAUTION Do not use a megger for inspec...

Страница 8: ...subsequent chapters 1 1 Components and Their Functions 1 Master indicator GPS LOG ON OFF ARARM LOG GPS MAINT TRIP TOTAL DIST TRANS SPD ARARM MODE LT 6 7 8 9 0 CLEAR 1 2 3 4 5 ENT F1 DISPL F2 PREV MODE...

Страница 9: ...220V AC SW1 power supply switch for supplying power to the entire system SW11 dip switch for switching the current output BT1 memory backup battery Power LED SW9 dip switch for switching the relay con...

Страница 10: ...the seawater by a specified length The Power LED On the master unit comes on The master indicator displays the speed and total distance traveled The analog speed indicator also reads the speed Normal...

Страница 11: ...nd kept in the seawater valve for a while Enter 0 1 on the numeric keypad while the speed and distance are displayed on the master indicator Only the lighting of the master indicator display and the s...

Страница 12: ...axis Indicates the resultant speed and direction of a moving ship by a needle pointing to the reading dual axis 3 6 Indicates the longitudinal to transverse speed by a nee dle pointing to the reading...

Страница 13: ...Blank Page...

Страница 14: ...peed but also the transverse speed 5 Built in self diagnostic function 2 2 Principle The principle of electromagnetic logs is based on Faraday s law of electromagnetic induction An electromotive force...

Страница 15: ...he jumper setting in the power supply unit Power consumption 80 VA Insulation resistance at least 10M using 500V megger excluding electronic circuits Withstanding voltage 1500 V AC for 1 min excluding...

Страница 16: ...he measuring accuracy Speed limit detection same as the measuring accuracy 7 Output Signals analog speed output 6 circuits i Voltage output Number of circuits 2 Output level Either 0 V to 5V or 1 V to...

Страница 17: ...peed 20mA 4mA 0 Full Full kt Output current Ship s speed Output circuit Non isolating method Load resistance of max 250 2SC1815 250 15 V Distance pulse output 10 circuits i Photocoupler output Number...

Страница 18: ...level 20 mA Output current at L level 20 mA Alarm contact 4 circuit i State of contact Setting alarm speed master indicator Dip SW9 2 master unit close in the Speed limit Hi ON Standard Lo OFF Open in...

Страница 19: ...g the sensor and electronic circuits 2 4 Handling Precautions 1 If there are contaminants or microorganisms adhering to bottom of the ship or the tip of the measurement rod electrodes the indicated sp...

Страница 20: ...ndicator Single axis Master unit Dimmer box GPS Optional Contact signal 2p max Photocoupler 8P max Analog speed output 2p max Power or system failure 4P max Speed limit 2P max Analog speed output 4P m...

Страница 21: ...503 Seawater value LV033 For sensors 35 mm in dia LV071A For sensors 70 mm in dia LV052 For sensors 48 mm in dia inclu deing the dual axis sensor LV031 For sensors 35 mm in dia Seawater value flange L...

Страница 22: ...and LV910 for sensors 48 mm in dia This is welded onto the bottom of the ship s hull to allow the seawater valve to be installed The mounting plate is ordered from the shipbuilder as standard For sen...

Страница 23: ...5 LV902A 2 LV904 LV902A 3 LV901 1 LS531 LV033 LV902A 1 LS901 2 LS503 LS571 LV071A LV902A 4 LV901 3 LS503 LS541 LV052 LV910 LS503 LS542 LV052 LV910 FA2 FA1 HD1 HS1 HV1 LS503 Figure Sensor Unit Structur...

Страница 24: ...stance to external devices in various signal forms For operation of the master unit refer to Section 1 2 in Chapter 1 and Sections 4 1 in Chapter 4 Figure Master Unit LT501 3 3 4 Master Indicator LR52...

Страница 25: ...only and an external dim mer LD001A are available This indicator receives digital signals from the master unit and reads the analog speed by using the pulse motor 10 15 20 5 0 knots Longitudinal spee...

Страница 26: ...ed Total distance traveled If the DISPL key is pressed again in a dual axis sensor system the transverse speed ap pears on the bottom line of the display If the DISPL key is pressed once more the resu...

Страница 27: ...essed MODE Switching of operation mode Alarm Setting Test Function Input signal Selection log GPS Adjustment Error Code Display The operation mode switches to the next one each time the MODE key is pr...

Страница 28: ...nm F 1 F 2 DISPL PREV MODE GPS nm F 1 F 2 DISPL PREV MODE MAINT F 1 F 2 DISPL PREV MODE MAINT F 1 F 2 DISPL PREV MODE MAINT 1 1 1 1 2 3 4 5 1 1 2 3 2 5 11 5 2 1 1 1 F 1 F 2 DISPL PREV MODE LOG TOTAL D...

Страница 29: ...MAINT 5 A5 F 1 F 2 DISPL PREV MODE MAINT 5 A4 5 11 5 21 5 31 5 41 5 51 5 61 5 71 5 81 A11 A51 A21 A31 A41 Zero Adjustment Sensitivity Adjustment Span Adjustment Response Speed Setting Milepost Data Ha...

Страница 30: ...of the display on the maintenance level As shown in the basic operation flowchart the maintenance display is switched to the next one each time the F 2 NXT key is pressed Switching of the display on t...

Страница 31: ...works as a reset switch c Longitudinal and transverse speeds dual axis sensor system F 1 F 2 DISPL PREV MODE LOG TRANS SPD kt Longitudinal speed Transverse speed S right P left d Resultant speed and d...

Страница 32: ...wing display appears turn on No3 of SW8 of the master unit if the GPS is connected F 1 F 2 DISPL PREV MODE LOG TOTAL DIST nm kt Speed Low Speed alarm on off Press the MODE key again The display change...

Страница 33: ...the set speed is output To set the transverse speed TTS press the F 2 key while the display is at a and then use the same procedure as that for the logitudinal speed setting NOTE Push the MODE key and...

Страница 34: ...isplay the flickering is indicated by the white digits on the black back ground in the figure on the left The figure on the left shows the case in which the high limit speed is set to 30 00 kt 4 4 2 G...

Страница 35: ...Blank Page...

Страница 36: ...icated in the master unit Lamp test Do the lamp test to check the lighting of the LEDs 5 2 Periodic Inspection Inspection Item Description Frequency of Inspection Sensor Check for contamination on the...

Страница 37: ...1 2 6 7 and 13 14 the voltage must be 24V DC 5 Is the speed displayed on the master indicator the same as the reading of the speed indicator Is there any error indicated on the master indicator Is 15...

Страница 38: ...the master unit Replace the fuse Failure in the 24 V DC power sup ply in the master unit Error in the master unit Is 24 V DC power being sup plied YES YES YES NO YES NO YES SERVICE CALL NO NO NO NO Y...

Страница 39: ...e LED error indication stay on even when the master unit is repeatedly turned on and off No Malfunctioning Yes Service call Errors in the master unit can be identified The types of errors are shown in...

Страница 40: ...according to item 1 in Section 6 4 Sensitivity adjustment data Re adjust the data according to item 2 in Section 6 4 Span adjustment data Re adjust the data according to item 3 in Section 6 4 Milepos...

Страница 41: ...SHIELD 24V Sensor output 0V 15V 15V SHIELD Single indication HS1 HD1 HV1 FA1 RD1 Dual indication HV2 FA2 2 Rod Case and Sensor Cross section of Connector B C D E F A G B C D E F A G Sensor output 15V...

Страница 42: ...dinally M min 1M Between the electrode and rod case transversely M min 1M The purpose of this check is for confirmation if sea water entered or did not enter in Sensor Though the measured data should...

Страница 43: ...e valve To remove the chain fully close the valve for the HS HV and FA models Then remove the chain 5 6 2 Precautions in Installing the Sensor NOTE 1 Install the sensor with its heading mark aligned w...

Страница 44: ...the rod meter The length of rod meter 450 mm from the top of tank at a double bottom c When pull out the rod meter do not remove the chain setting until the sea valve is closed perfectly Confirm main...

Страница 45: ...ng on the display The operation flow on the left gives an example of setting 20 To do this first enter 2 and 0 using the numeric keypad Confirm that the values has just been entered and then press the...

Страница 46: ...00 bps OFF 4800 bps factory setting 5 No 5 Not used 6 No 6 Not used 7 No 7 Not used 8 No 8 LR221 Connection ON no connection OFF connection factory setting 6 3 2 Analog Indicator 1 No 1 No 2 No 3 Spee...

Страница 47: ...l operation this switch must be off to protect data in the memory SW No ON OFF Remarks 1 Not used Fixed 2 Dual axis Single axis Type of sensor 3 Connection No connection GPS sensor 4 Ground speed Wate...

Страница 48: ...9600 bps 1 4800 bps Factory setting 2 F SW4 Analog output setting 0 1 2 3 4 5 6 7 8 9 A B C D E F Procedure of selection vide 6 7 SW No Analog output 0 a of 2 3 7 1 b of 2 3 7 SW11 Output setting of T...

Страница 49: ...lect zero adjustment The display then changes to that marked a The values high lighted in reverse video here are the zero adjustment data that were the latest set To make a new zero adjustment press t...

Страница 50: ...for example first press the F 1 key to change the sign to see the dis play marked b Next enter 0 4 0 and 0 using the numeric keypad Confirm the entered value and then press the ENT key This stops the...

Страница 51: ...he display To select LSP Longitudinal span press the F 1 key while the display is at a The display then changes to that marked b The value highlighted in reverse video here is the adjustment data that...

Страница 52: ...peed and the ship must take the correct course between mileposts In milepost calibration the ship makes a round trip 2 one way trips or a round trip plus another on way trip 3 one way trips to obtain...

Страница 53: ...nter 1 0 0 and 0 in this order from the numeric keypad Manual milepost mode Press the F 2 key HND while the display is at a to select the manual mode The display then changes to that marked b The valu...

Страница 54: ...F 2 key NO while the display is at i This allows the display to ad vance to j the operations for the trip back start from here The operations and display at j to m are the same as those for the trip o...

Страница 55: ...en advances to Step t To acquire another set of data press the F 1 key CONT To finish the milepost measurement press the F 2 key END The screen then returns to Step a NOTE If the DISPL or PREV key is...

Страница 56: ...Milepost Data Refer to Subsection 6 5 1 for details on the operation 6 5 3 Display Alteration Deletion of Milepost Data Maintenance Mode Milepost data can be displayed altered added or deleted as fol...

Страница 57: ...linearizer which is represented as line graph in 5 kt increments on the measured log speed axis as shown below 10 10 20 30 40 50 60 20 30 40 50 60 0 knots knots Measured log speed Calibrated log spee...

Страница 58: ...displayed items in the order shown in the figure below The number at the beginning of the top line of the display means the log speed level in the linearizer table F 1 F 2 NXT BFR 5 kt Data on the ta...

Страница 59: ...ch time the F 1 key ALPH is pressed A to Z A C0h Z 0Dh 0Ah CR LF and a blank space appear one after the other in the space highlighted in reverse video see the display marked c If the F 2 key NXT is p...

Страница 60: ...other in this order 1 15 2 1 15 each time the F 1 key NXT is pressed 15 1 5 bits Pressing the ENT key allows the display to ad vance to p At p set the parity bits Note 3 The values ODD EVN and NON app...

Страница 61: ...the display re turns to a where 0V to 5V is selected Setting of Master indicator 5 A41 a Setting of digital SW4 0 1 F1 5V Full 0 kt Output voltage Ship s speed 5V Full Full kt 0 Output voltage Ship s...

Страница 62: ...terface setting L S B M S B Start bit DATA bits Stop bit Data format conforms to NMEA0183 V M V B W DATA SUM1 SUM2 CR LF VM Electromagnetic log VBW Nautical speed End of sentence Checksum Identificati...

Страница 63: ...kt A Valid V Invalid V Invalid VHW data Only kt value data is available 10 1 10 0 10 1 10 2 N K N kt K km h Longitudinal speed kt VLW data 10 3 10 2 10 1 10 0 10 1 10 2 N 10 3 10 2 10 1 10 0 10 1 10 2...

Страница 64: ...VHW data N K VLW data N N 1 Whenever the A D conversion error is detected system error will occur in case of the EML input Whenever the Communication error No 2 with the GPS is detected system error w...

Страница 65: ...0 0 10 1 10 2 N Total distance traveled nm Trip distance nm N nm N nm EML input single axis system VBW data 0 10 1 10 0 10 1 10 2 A V V V V Longitudinal speed kt A Valid V Invalid V Invalid V Invalid...

Страница 66: ...nversion error is detected system error will occur in case of the EML input Whenever the Communication error No 2 with the GPS is detected system error will occur in case of the GPS input In this case...

Страница 67: ...The display then chang es to that marked a At a the display indicates that coefficient 1 C1 is currently selected To select coefficient 2 C2 in stead press the F 2 key while the display is at a The d...

Страница 68: ...procedure is shown below At 5 A2 press the F 1 key to select the volt age check mode The display then change to that marked a At a to c pressing the F 1 key NXT causes the next voltage value to appea...

Страница 69: ...nges to that marked b and a fixed voltage of 5V is output If the F 1 key is pressed while the display is at b the display returns to a and a fixed voltage of 0V is output 6 10 ErrorCodeDisplayMode Sub...

Страница 70: ...OL 1 22 SHLD 1 23 VOL 2 24 VOL 2 25 SHLD2 26 13 24V S 14 GND S 4 15V 5 15V 9 YSPD 10 XSPD 15 SHLD5 6 24V D 1 1 24V A 1 2 GND A 2 3 SHLD3 3 9 SD1A1 4 10 SD1B1 5 7 GND D 2 8 SHLD4 3 29 SD1A2 4 30 SD1B2...

Страница 71: ...1 Chip CPU DATA BUS ADRS BUS BUFFER LATCH DRIVER 15V DIG SW DIP SW I V CONV I V CONV 1 2 3 4 5 TB1 TB3 TB3 TB1 TB1 TB1 TB1 TB3 TB3 TB2 Sample hold Sample hold Sample hold Sample hold D A CONVERTER ref...

Страница 72: ...DC DC CONV 24V VCC POWER UNIT PROCESSOR UNIT DISPLAY UNIT KEY SW MATRIX I O DECORDER DRIVER LATCH CTC DECORDER DRIVER LED DISPLAY COL DRIVE SIG COL SELECT DATA DIMMER PLS BUFFER V INKEY SCAN SCAN INKE...

Страница 73: ...A15 A0 D7 D0 TxD RxD 32k 128k 128k effective 32k PIO CH A PIO CH B DATA BUS ADRS BUS 24V GND FG RD A RDB TD A TD B SHLD 1 2 3 4 5 6 7 8 9 10 DATA BUS D7 D0 CONTROL SIGNAL MOTOR DRIVER STEP MOTOR 1 zer...

Страница 74: ...2 Master Indicator LR523 No Component Part Number 1 Display V8308WD 2 Processor V8308WB 3 Power supply V8303WC 4 Sheet key unit V8308AC 3 Speed Indicator LR524 No Component Part Number 1 M D U assembl...

Страница 75: ...embly FE0 LS531 01 8 Sensor 35 mm in dia LS501 No Component Part Number 1 Sensor assembly FE0 LS501 01 9 Single indication 48 mm in dia LS541 No Component Part Number 1 Sensor assembly FE0 LS541 01 2...

Страница 76: ...Part Number 1 O ring 5T101Z005 35 2 Seawater valve 5T800C010 15 Seawater Valve LV071A No Component Part Number 1 O ring 5T101Z005 61 2 Seawater Valve 5T800C008 02 16 Seawater Valve LV052 No Component...

Страница 77: ...ate After installing and adjusting the EML500 system please fill in the Installation and Adjustment Certificate on the following page and return a copy to Yokogawa Denshikiki Co Ltd keep the original...

Страница 78: ...wer supply Delivery date of the ship G P manufacturer Model Date of navigation test GPS manufacturer Model Installation and wiring have been confirmed and final adjustments have been completed as foll...

Страница 79: ...1 5 2 Parity Odd Even None Character length 7 8 Analog voltage current ouput range 0V to 5V 0mA to 20mA 1V to 5V 4mA to 20mA Zero adjustment value kt Sensitivity adjustment value Span setting LSP tim...

Страница 80: ...ETIC LOG CALIBRATION AND MEASUREMENT SHIPYARD VESSEL PLACE DEPTH OF SEA DRAFT WATHER SEA CONDITION TIME OF DAY FORE AFT MEAN FINAL CONFIRMATION DATA RUN NO MAIN ENGINE TIME REQUIRED SPEED WIND SPEED D...

Страница 81: ...1 2007 00 Appendix Appendix 8 Contrast of digital display and character for Master Indicator Contrast table Chracter Display Character Display Character Display A Q 0 B R 1 C S 2 D T 3 E U 4 F V 5 G...

Страница 82: ...TEST RUN LOG MAINTENANCE SUB GPS TOOL 0 ADJST GO SET LONGITUDINALSPAN NEXT TRANSVERSE SPAN AUTO START HAND STOP DISTANCE CANCEL RESET CONTINUE 1ST END 2ND BEFORE 3RD LONGITUDINALTEST YES TRANSVERSE TE...

Страница 83: ...Blank Page...

Страница 84: ...999 13th Edition Sep 1999 14th Edition Apr 2001 15th Edition Mar 2002 16th Edition Nov 2002 17th Edtion Jun 2003 18th Edtion Nov 2004 19th Edition Jun 2006 20th Edition Jul 2007 21th Edition n Inquiri...

Страница 85: ...Blank Page...

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