Sea-Bird Electronics SBE 38 Manual de usuario descargar pdf (Pagina 58)

Manual revision 006 Section 4: Deploying and Operating SBE 19plus V2 SBE 19plus V2

Logging Commands

Logging commands direct the SBE 19plus V2 to sample data. When

commanded to start sampling, the 19plus V2 takes samples and stores the data

in its FLASH memory. Operation is dependent on the mode and setup.

Profiling Mode (MP)

While logging, the 19plus V2 transmits real-time data, and does not enter

quiescent (sleep) state between samples. The 19plus V2 provides several

methods for starting and stopping logging, depending on the settings for

IgnoreSwitch= and AutoRun=. Logging starts approximately 1 - 2 seconds

after it is commanded.

IgnoreSwitch= AutoRun=

To Start Logging:

To Stop Logging:

N N

Slide magnetic

switch on.

Slide magnetic switch off, or

send Stop.

Send StartNow, or

StartDateTime=

and StartLater.

Send Stop.

Y or N

Turn on external

power.

• Turn off external power, or

• (if you want to send

commands to check or

modify setup) Send Stop.

The first time logging is started after receipt of the initialize logging command

(InitLogging), data recording starts at the beginning of memory and any

previously recorded data is written over. When logging is stopped, recording

stops. Each time logging is started again, recording continues, with new data

stored after the previously recorded data and a new header written to indicate

the incremented cast number, date, time, and sample numbers contained in the

cast. The maximum number of casts that can be taken is 1000.

Moored Mode (MM)

While logging, the 19plus V2 transmits real-time data if

MooredTxRealTime=Y. The 19plus V2 enters quiescent (sleep) state

between samples.

To start logging, use StartNow; logging starts SampleInterval= seconds after

receipt of StartNow. Alternatively, use StartDateTime= and StartLater to

start logging at a designated date and time. The first time logging is started

after receipt of the initialize logging command (InitLogging), data recording

starts at the beginning of memory and any previously recorded data is written

over. When Stop is sent, recording stops. Each time StartNow or StartLater

is sent again, recording continues, with new data stored after the previously

recorded data. A new header is written each time logging starts and every

2000 samples thereafter. A maximum of 1000 headers can be written; if the

maximum number of headers is reached but there is still room for samples in

FLASH memory, the 19plus V2 continues to sample and store sample data in

FLASH memory without writing additional headers.

Notes:

• In Seaterm232, to save real-time

data to a file, click the Capture menu

before beginning logging.

• If the FLASH memory is filled to

capacity, data sampling and

transmission of real-time data

continue, but excess data is not

saved in memory. The 19plus V2

will not overwrite data stored in

memory.

• If the 19plus V2 is sampling and the

voltage is less than the cut-off

voltage (see BatteryType= for cut-

off values for various battery types),

the 19plus V2 halts logging and

displays WARNING: LOW BATTERY

VOLTAGE.

Note:

For Moored mode, the magnetic switch

should be left off, but it has no effect

on logging. If the switch is turned on

while the 19plus V2 is in quiescent

state, the CPU enters the awake state,

but logging does not begin. If no

communications are established, the

19plus V2 times out and enters

quiescent state after 2 minutes.

Note:

Sea-Bird ships the 19plus V2 with

AutoRun=N (it will not automatically

start sampling when external power is

applied). If you send AutoRun=Y:

• Send QS to put 19plus V2 n

quiescent (sleep) state, then turn

power off and then on again to start

sampling, or

•

Send StartNow to start sampling.

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Sea-Bird Electronics SBE 38 Manual de usuario Pagina 58

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