Appendix B2 - SeaBird SBE25 CTD Manual
Contents
1. Start logging now overwriting any data in memory Switch must be On before send GL RL Resume logging now storing data to memory after existing data Switch must be On before send RL SB Put SBE 25 in Standby Mode DCx Upload data from cast x at 600 baud If x omitted data from cast 0 is uploaded DAx Same as DC but baud is 38400 DBx Same as DC but baud is 9600 Data DEx Same as DC but baud is 19200 Upload DDb e Upload data from scan b to scan e using same baud rate as used for general communication SR If b and e omitted data from all casts are displayed DHb e_ Upload headers from header b to header e using same baud rate as used for general communication SR If b and e omitted headers from all casts are displayed TM _ Perform memory test which destroys all logged data in memory TE Perform extended memory test which destroys all logged data in memory Diagnostic FR Measure and display temperature and conductivity frequency SBE 25 runs continuously during test drawing current Press Esc key or click Stop on SEATERM s Toolbar to stop test VR Measure and display main battery voltage 5 0161 back up lithium battery voltage 3 873 pressure voltage pressure temperature voltage and external voltages SBE 25 runs continuously during test drawing current Press Esc key or click Stop on SEATERM s Toolbar to stop test Reference Sheet Version 002 08 28 03 Firmware Version 4 1la and later2. SBE 25 SEALOGGER Reference Sheet see SBE 25 User s Manual for complete details Sampling Modes e Normal Logging started by putting SBE 25 in quiescent sleep state QS waiting at least 3 seconds and then putting magnetic switch in On position Data is stored in memory after last recorded data OR Logging started by putting magnetic switch in On position when not in quiescent state and then sending GL start logging overwriting any data in memory or RL resume logging adding data to memory after last recorded data Logging stopped by putting magnetic switch in Off position clicking Stop on SEATERM s Toolbar or typing Ctrl Z When logging stopped power is removed from sensors e Standby Designed for work where there are repetitive short casts Logging started by sending SB waiting at least 3 seconds and then putting magnetic switch in On position Logging stopped by putting magnetic switch in Off position When logging stopped power is not removed from sensors To exit Standby mode and remove power to sensors click Stop on SEATERM s Toolbar or type Ctrl Z Communication Setup Parameters 1 Double click on SeaTerm exe 2 Once main screen appears in Configure menu select SBE 25 Click on COM Settings tab in dialog box Input e Serial Port COM1 through COM 10 are available e Baud Rate 600 or other if applicable e Data Bits 7 e Parity Even e Mode RS 232 Full Duplex Deployment 1 Batteries alkaline se
3. e manual for recharging procedure for Ni Cad batteries A Remove battery end cap Wipe dry housing end cap seam Unthread end cap by rotating counter clockwise Wipe dry O ring mating surfaces in housing with lint free cloth B Remove and replace battery cover plate and batteries Remove three Phillips head screws and washers from battery cover plate and remove cover plate Turn SBE 25 over and remove batteries Install new batteries terminals against flat contacts and terminals against spring contacts Align battery cover plate with housing Reinstall three Phillips head screws and washers while pushing hard on battery cover plate to depress spring contacts at bottom of battery compartment C Reinstall battery end cap Remove water from O rings and mating surfaces with lint free cloth Inspect O rings and mating surfaces for dirt nicks and cuts Clean replace as necessary Apply light coat of O ring lubricant to O ring and mating surfaces Fit end cap into housing and rethread into place using a wrench to ensure end cap is tightly secured 2 Program SBE 25 for intended deployment see other side of this sheet for Command Instructions and List A Set time and date with ST B Ensure all data has been uploaded and then send IL to make entire memory available for recording If IL is not sent data will be stored after last recorded sample C Establish setup parameters 3 Install a cable or dummy plug for each connector on main housing e
4. nd cap Install a locking sleeve over each plug cable connector Connect other end of cables to appropriate sensors 4 Verify hardware and external fittings are secure 5 If applicable remove Tygon tubing that was looped end to end around conductivity cell for storage Reconnect conductivity cell to SBE 25 s plumbing 6 Normal mode With SBE 25 in quiescent state for at least 3 seconds put magnetic switch in On position or With SBE 25 awake put magnetic switch in On position and then send GL or RL 7 Standby mode With SBE 25 awake send SB Wait at least 3 seconds and then put magnetic switch in On position Reference Sheet Version 002 08 28 03 Firmware Version 4 1la and later Command Instructions and List e Input commands in upper or lower case letters and register commands by pressing Enter key e SBE 25 sends if invalid command is entered e If system does not return S gt prompt after executing a command press Enter key to get S gt prompt e If new command is not received within 2 minutes after completion of a command SBE 25 returns to quiescent sleep state e Ifin quiescent sleep state re establish communications by clicking Connect on Toolbar or pressing Enter key to get S gt prompt e Commands followed by alter SBE 25 memory and prompt user twice before executing is not part of command To execute command type y and press Enter key in response to message Y N Then hold down Ctrl key and type y a
5. nd press Enter key in response to are you sure Y N Any other responses abort command e SBE 25 does not respond to any commands while logging e If SBE 25 is uploading data and you want to stop it press Esc key or click Stop on SEATERM s Toolbar Press Enter key to get S gt prompt See the Manual for detailed descriptions of commands Category Command Description Status DS Display status and setup parameters ST Set real time clock date and time SRx x baud rate indicator 1 600 2 1200 3 9600 4 4800 Default 600 Configure a number of parameters e Internal data storage rate e Real time data output rate e Pressure sensor range cc e Pressure temperature compensation value Setup e Minimum conductivity frequency for pump turn on e Pump turn on delay e Stop CTD on upcast e Battery type e Number of external voltages to sample LWx x wait interval milliseconds after each line of data Normally set to 0 increase for very slow computers Range 0 65535 IR __ Initialize memory which destroys all logged data in memory Qs Place SBE 25 in quiescent sleep state Main power turned off but memory retention not affected IL After all previous data has been uploaded send this command before starting to log to make entire memory available for recording If not sent data stored after last sample if logging is started with Logging magnetic switch GL
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