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OBSERVATOR
Instruments
Technical User Manual
OMC-045-II
6.4.3
Alarms..................................................................................................................................... 23
6.4.4
System Error SMS .................................................................................................................. 23
6.4.5
PC Communication................................................................................................................. 24
6.4.6
Completing SD card................................................................................................................ 24
6.5
Log File............................................................................................................................................. 25
6.5.1
Data lines ................................................................................................................................ 25
6.5.2
X Data lines ............................................................................................................................ 25
6.5.3
System lines ........................................................................................................................... 25
6.6
Sending the log file........................................................................................................................... 26
6.7
Data buffer........................................................................................................................................ 26
6.8
Input drivers...................................................................................................................................... 27
6.8.1
Analog sensors ....................................................................................................................... 27
6.8.2
Digital sensors ........................................................................................................................ 27
Rain meter ....................................................................................................................................... 27
Float lever ........................................................................................................................................ 27
Serial sensors .................................................................................................................................. 28
Wind information .............................................................................................................................. 28
Generic Serial interface ................................................................................................................... 28
6.9
Power supply, power connections, backup power, power consumption.......................................... 29
6.9.1
Connection of 8 – 30 V power ................................................................................................ 29
6.9.2
Connection of 3.6V power ...................................................................................................... 29
6.9.3
Internal RTC backup battery................................................................................................... 29
6.10
LED function ............................................................................................................................. 29
6.11
Sensor connections .................................................................................................................. 30
6.11.1
Digital inputs: ...................................................................................................................... 30
Status switch.................................................................................................................................... 30
OMC-210 rain gauge ....................................................................................................................... 30
6.11.2
Analogue............................................................................................................................. 31
OMC-350 water level meter (potentiometer) ................................................................................... 31
4-20 mA sensor (2-wire) .................................................................................................................. 31
OMC-506 ......................................................................................................................................... 31
6.11.3
Serial................................................................................................................................... 32
YSI 6-series ..................................................................................................................................... 32
SONTEK Argonaut .......................................................................................................................... 32
Nortek AWAC................................................................................................................................... 32
7
Errors................................................................................................................................................ 33
7.1
Analog sensor .................................................................................................................................. 33
7.2
Digital Input....................................................................................................................................... 33
7.3
Serial input........................................................................................................................................ 33
7.4
GPRS, GSM and SIM card............................................................................................................... 34
7.4.1
FTP messages without data ................................................................................................... 36
7.4.2
Antenna placement and field strength .................................................................................... 36
7.4.3
Field strength .......................................................................................................................... 36
7.4.4
SIM card Compatibility............................................................................................................ 37
7.4.5
(Re)Placement of the SIM ...................................................................................................... 37
7.5
GPS Errors ....................................................................................................................................... 38
7.6
Storing Data log................................................................................................................................ 39
7.6.1
Media compatibility ................................................................................................................. 39
7.6.2
Placement / replacement procedure for SD card ................................................................... 39
7.7
Data retrieval from SD card.............................................................................................................. 40
7.8
System errors ................................................................................................................................... 40
8
Maintenance en cleaning ................................................................................................................. 41
8.1
Configuration via HyperTerminal...................................................................................................... 41
8.2
Configuration and Firmware Upgrade procedures ........................................................................... 41
9
Environment and disposal ................................................................................................................ 42
10
Specifications ................................................................................................................................... 43
11
EU Declaration of Conformity........................................................................................................... 45
