YOKOGAWA EML500 Series, User Manual, Page: 3 / 85

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IM80B80T10E 21th Edition : Jul.1,2007-00
4.4.2 GPS Input Selection ..........................................................................4-9
5. MAINTENANCE ......................................................................................... 5-1
5.1 Daily Inspection .................................................................................................5-1
5.2 Periodic Inspection ...........................................................................................5-1
5.3 Troubleshooting ...............................................................................................5-2
5.4 Replacing the Master Unit Battery ..................................................................5-5
5.5 Inspection of the Measurement Rod ...............................................................5-6
5.6 Inspection of the Seawater Valve ....................................................................5-7
5.6.1 Precautions in Replacing the Sensor ................................................5-8
5.6.2 Precautions in Installing the Sensor ..................................................5-8
6. INSTALLATION ......................................................................................... 6-1
6.1 Precautions on Installation ..............................................................................6-1
6.1.1 Seawater Valve and Measurement Rod ...........................................6-1
6.1.2 Junction Box ......................................................................................6-1
6.1.3 Master Unit .........................................................................................6-1
6.1.4 Indicator ............................................................................................6-1
6.2 Response-speed Setting ..................................................................................6-2
6.3 Parameter Settings ...........................................................................................6-3
6.3.1 Master Indicator .................................................................................6-3
6.3.2 Analog Indicator ................................................................................6-3
6.3.3 Master Unit .........................................................................................6-4
6.4 Adjustments ......................................................................................................6-6
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) 6-13
6.5.4 Dsiplay and Alteration of Linearizer Table (Maintenance Mode) ...............6-14
6.6 GPS Interface Setting .....................................................................................6-16
6.7 Switching of Voltage Output Range ..............................................................6-18
6.8 Serial Output Signal Format ..........................................................................6-19
6.9 Maintenance Functions ..................................................................................6-24
6.9.1 Intermediate Error Compensation Factor (Maintenance Mode) ...................................6-24
6.9.2 Sub-maintenance Mode ..................................................................6-24
6.9.3 Switch Status Display Mode (Sub-maintenance Mode) ............................6-25
6.9.4 Voltage Check Mode (Sub-maintenance Mode) .............................6-25
6.9.5 Fixed voltage Output Mode (Sub-maintenance Mode) ..........................6-26
6.10 Error Code Display Mode (Sub-maintenance Mode) .................................................................................6-26
Appendix 1: EML 500 Circuit diagram ..............................................................A-1
Appendix 2 : Master Unit Block Diagram .........................................................A-2
Appendix 3: Master Indicator Block Diagram ..................................................A-3
Appendix 4: Speed Indicator Block Diagram ...................................................A-4