Observator Instruments OMC-140 Manual de usuario
OMC-140 Multifunctional NMEA display
Supplement SD logging and load / Discharge
Manual
Version 1.10s 2017
Author: Observator Instruments
OMC-140 Manual supplement SD-logging –Wind Alarm functionality
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Revisions:
1.10s (March 2017) First issue Supplement
OMC-140 Manual supplement SD-logging –Wind Alarm functionality
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Index
1Introduction........................................................................................................................................... 5
2Wind Speed Alarm function.................................................................................................................. 6
2.1 Configuration via Touch screen ................................................................................................. 6
3Data log function .................................................................................................................................. 8
3.1 Introduction................................................................................................................................. 8
3.2 Data log function settings........................................................................................................... 8
3.3 Storage....................................................................................................................................... 9
3.4 Functional information................................................................................................................ 9
3.5 SD card ................................................................................................................................... 10
3.6 Parameters............................................................................................................................... 10
3.7 Data Format ............................................................................................................................. 11
4Menu structure Touch screen............................................................................................................. 12
5Menu Structure Terminal Mode.......................................................................................................... 14
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OMC-140 Manual supplement SD-logging –Wind Alarm functionality
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1 Introduction
This supplement contains information concerning the latest additions (firmware 001.000B023) specific for
the OMC-140 replacement of the OMC-146 load / discharge wind display.
These changes will be included in the next edition of the standard OMC-140 manuals.
Use this as supplement in addition to the standard manual.
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2 Wind Speed Alarm function
2.1 Configuration via Touch screen
- The Wind Alarm On/Off selection has been moved to the General tab.
This enables the operator to switch easily between sailing and load-discharge mode.
- Settings of the Alarm levels is still done in the Advanced tab:
- The Wind Speed Alarm button can be ‘locked ‘. When locked, the operator won’t be able to
change the status in the General tab.
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- In the Front tab a ‘Wind Speed Alarm function’ can be selected to indicate on the main screen
the status of the Wind Alarm Speed function.
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3 Data log function
3.1 Introduction
In firmware version 1.00B22 the data log function is included. From this version and up all relevant data
can be logged on a Micro SD card and will be stored per day in .txt files.
The format is compatible with the Observator data loggers and can be read by OMC-Data-Online or
imported in for example Microsoft Excel.
3.2 Data log function settings
The data log function can be enabled using the USB menu, for USB menu connection details see OMC-
140 installation manual.
All log related functions are in the menu 5 SD Log Settings.
1. SD logging On or Off
2. Storage interval 10 minute, 2 minute or 5 second interval
3. Set Date Option to correct the date
Format: =yy/mm/dd (the ‘=’must be included!)
4. Set Time GMT Option to correct the time:
Format: =hh:mm:ss (the ‘=’ must be included!)
* GPS message at noon (if available)
* Once SD logging is selected On GGA message is available; time will be daily synchronized with the
UTC time. Since date is not in the GGA message this will not be synchronized like the time!
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3.3 Storage
Once an SD card is inserted and the SD logging function is set On in the USB menu, data will be logged.
All relevant NMEA received data will be stored, see paragraph 3.6 Parameters for more details.
The storage interval can be selected in the USB menu only (changing interval on touch screen doesn’t
change SD settings).
The wind data is the average, minimum and maximum over interval set in the USB-menu unless an
alarm is active.
When an alarm is active the storage interval will be set to 5s. When the alarm is resolved the original set
interval will be used again.
All other data is the raw or actual data of the moment it is stored.
3.4 Functional information
In case the display is not able to write to the SD card, the user is notified with the following message in
the main screen: ‘SD fault’.
On the info tab page the following information is available in the bottom line:
SD card status: SD-Card OK
Insert SD-Card SD-card missing, not accessible or full
Please insert or replace an SD-card
Available space in percentage It will take one Storage interval before the correct value
is displayed (after card-insertion or power cycle).
Storage Interval 5 seconds, 2 minutes
or 10 minutes.
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3.5 SD card
3.6 Parameters
The following parameters will be logged if they are available:
Parameter
Parameter
number
Tag name
Parameter units
tag codes
Display average interval
0
AvgInterval
s
AVGi
Relative average wind speed
1
AvgWndspdR
m/s
AWvR
Relative average wind direction
2
AvgWnddirR
deg
AwdR
Relative max gust
3
GustmaxR
m/s
MxGR
Relative min Gust
4
GustminR
m/s
MmGR
Relative Wind direction
variation
5
WindvarR
deg
VWdR
Theoretical average wind
speed
6
AvgWndspdT
m/s
Awvt
Theoretical average wind
direction
7
AvgWnddirT
deg
Awdt
Theoretical max gust
8
GustmaxT
m/s
MxGt
Theoretical min Gust
9
GustminT
m/s
MmGt
Theoretical Wind direction
variation
10
WindvarT
deg
VWdt
True average wind speed
11
AvgWndspdTrue
m/s
AwvT
True average wind direction
12
AvgWnddirTrue
deg
AwdT
True max gust
13
GustmaxTrue
m/s
MxGT
True min Gust
14
GustminTrue
m/s
MmGT
True Wind direction variation
15
WindvarTrue
deg
VWdT
UTC Time
16
UTC
hhmmss
UTC
Latitude
17
GE_LATITUDE
deg
LAT
Longitude
18
GE_LONGITUDE
deg
LON
Number of satellites
19
SAT Count
SCNT
Course Over Ground
20
Cog
deg
COG
Speed Over Ground
21
Sog
kn
SOG
Heading
22
Heading
deg
HDT
Speed through water
23
Shpspeed
kn
Vshp
Air temperature
24
Temp
C
TMPa
- Only use the supplied SanDisk Ultra micro SD card.
- If you do need to replace the card, use a simular SanDisk Ultra card
Not all SD cards are suitable fort he OMC-140 display!
Contact Observator if in doubt.
- If you do need to format a SD card: use SD-formatter from the SD
Association (www.SDcard.org) instead of the standard Windows format
function!
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