Sea-Bird Electronics SBE 38 Manual de usuario descargar pdf (Pagina 54)

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

RS-232 Sensor Setup Commands (continued)

Setup for Aanderaa Optode:

19plus V2 must be set to 9600 baud (BaudRate=9600) if interfacing with an

Optode.

Set up Optode to interface with 19plus V2, before you connect it to

19plus V2. Connect Optode directly to computer, power with an external

power supply, and (following directions provided by Aanderaa) set:

• Communication to RS-232.

• Sample interval to 1 for Profiling mode, or 5 for Moored mode.

Note that the Optode samples at a maximum of 1 Hz (1 sample/sec).

In Profiling mode, 19plus V2 samples at 4 Hz; therefore, Optode output in

19plus V2 data stream will only change after every 4 scans.

• Output to model number, serial number, and oxygen concentration

(micromoles/liter) in decimal format. Disable all other output (air

saturation, temperature, raw data, and text).

Connect Optode to SBE 19plus V2 Auxiliary RS-232 Input connector.

In 19plus V2, set Optode=Y to enable interface.

Optode=x x=Y: Enable RS-232 Optode.

x=N: Do not enable Optode.

SendOptode=command Command 19plus V2 to send command to

Optode and receive response; command

can be any command recognized by

Optode (see Optode manual). Reply from

Optode is limited to one line.

Example: Send stop command to Optode to interrupt sampling, and then sample

temperature command to Optode (user input in bold)

SENDOPTODE=do stop

Sending Optode: do stop

Optode RX = 4330F 139 263.160 (still sampling)

SENDOPTODE=do stop

Sending Optode: do stop

Optode RX = # (stopped sampling)

SENDOPTODE=get temperature

Sending Optode: get temperature

Optode RX = Temperature(Deg.C) 4330F 139 2.254194E+01

Notes:

• When setting up the configuration

(.xmlcon or .con) file In Seasave

and/or SBE Data Processing, select

Oxygen, Optode for the Serial RS-

232C sensor. Enter the serial

number, calibration date, and

information required for salinity and

depth corrections. The internal

salinity must match the value you

programmed into the Optode (the

value is ignored if you do not enable

the Salinity correction). If you enable

Salinity correction, our software

corrects the oxygen output from the

Optode based on the actual salinity

(calculated from the CTD data). If

you enable Depth correction, our

software corrects the oxygen output

from the Optode based on the depth

(calculated from the CTD data).

• You must send do stop to the

Optode to interrupt oxygen sampling

before sending commands with

SendOptode=. You may need to

send the stop command several

times.

• (Moored Mode) Power turn-on

defined by DelayBeforeSampling=

does not apply to the RS-232

Aanderaa Optode, because turning

on power to the Optode causes it to

sample. The 19plus V2 turns on

power to the Optode when the

19plus V2 is ready to acquire the

Optode data, after all CTD and other

external sensor data is acquired.

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