Refer to Latest Version Information for reference info on latest firmware version numbers.
Note: commands sent are indicated in BOLD, responses in normal text. <crlf> represents ASCII carriage return and line feed.
ALL COMMANDS UPPER CASE @ 9600 BAUD
The default address is SIM01.
This logger is a modification of the VOSHRH logger to poll and log data from four instruments, 3ea Sea-Bird SBE 37-IM ctd's and 1ea SonTek Argonaut current meter, using the Sea-Bird Inductive Modem (SIM) as the communications link. Data is polled from the instruments at a user specified interval (default of 5 minutes) and stored in a first-in/first-out buffer. When requested the last four hours of data are sent.
Polling the instruments consists of powering the local inductive modem. When powered the local modem will "awaken" all attached modems and it returns "S>" as a prompt. This "awakening" takes 5 seconds. After the prompt is received each instrument is polled once. The instrument should respond with data within 4 seconds. A response ends with carriage-return and linefeed. These characters indicate to the local modem that the communications are complete and it provides the "S>" which indicates to the logger to process the received message. If there is no response from the polled instrument within 4 seconds the logger sends an Esc, Escape character (0x1B) to the local modem, followed by carriage-return and linefeed. This character sequence breaks the local modem out of its listen mode and it returns a "S>" prompt indicating it is ready for new commands.
In the event of either no response or a corrupted message, the last "good" data is retained and written into the FIFO buffer.
Note that the polling sequence takes 20 seconds to complete if there are no communication errors and up to 30 seconds with errors. A user command entered while polling waits until the end of a polling sequence before being processed.
#99ADRMagic address. Responds with logger address, usually "SIM01".
#SIM01A Responds with the logger address "SIM01" to confirm module is alive.
#SIM01D Goes to the clock setting function. A prompt showing the
format of the expected data/time is shown. The following is
an example.
Enter Date/Time as: 'YYYY/MM/DD HH:MM:SS'
2007/01/31 09:04:50
If the correct format is entered the function will display the time entered
as a verification of the clock being set.
2007/01/31 09:04:50
#SIM01H Responds with the following help message. Firmware SIM53 v1.10 Module clock 2.4576 Mhz A - Address acknowledge D - Set RT clock date/time H - Display Help message L - Report ID, serial #, cal info P - Enter polled test mode R - Output 4 Hour data T - Enter test mode U - Update EEPROM constants - password 'OK'
#SIM01L the 'L' command provides miscellaneous status information
about the module in a multi-line response. The number of
lines in the response may vary depending upon the EEPROM.
Normally, after an initial , 5 lines of info are provided,
as follows:
#SIM01L
module id from EEPROM
module serial number from EEPROM
firmware name and version from program EPROM
crystal frequency from EPROM
calibration date from EEPROM
current date and time
#SIM01T Goes to continuous test mode. In test mode the Sea-Bird
Inductive Modem is powered. When powered the local Sea-Bird
Inductive Modem will "awakens" all of the attached Inductive
modems. This requires at least 5 seconds. A "Wait" message
is shown indicating this power-up period. Then the Logger time
is displayed and the attached instruments are polled. As each
instrument is polled the command set is shown. The response
received from the instrument follows. The last line is the data
parsed from the received string. After all the instruments have
been polled a line of HEX-ASCII showing the data as a stored
record is displayed. And the sequence repeats.
To stop test mode press the ESC (Escape) key. The current sequence
will complete and the remote and local modems will be powered OFF.
If there is no response from an instrument the logger will display
a message indicating this error and re-establish communication with
the local modem.
The following is an example of test output:
Wait...6 Seconds for powerup
2007/01/31 09:05:04
#03SL
00683, 22.8819, 0.00009, 31 Jan 2007, 14:05:01
S
22.8819, 0.00009
#04SL
00685, 23.0124, -0.00003, 31 Jan 2007, 14:05:00
S
23.0124, -0.00003
#07SL
00684, 23.7044, 0.00004, -0.079, 31 Jan 2007, 14:05:00
S
23.7044, 0.00004
#40KKKO
2007 01 31 13 55 00 386 99 -638 136 136 142 29 28 29 100 2699 123 122 25 22 30 2217 16 0 51 5
386 99 -638 29 28 29 2699 2217
0905011F0741B70E2238BCBE6241B81965B7FBA88241BDA29C3827C5AC43C1000042C60000C41F800041E8000041E0000041E800004528B000450A9000
Powering Down the Modems and Quitting!
#SIM01P is the polled version of the above test function. At the end of
each polling sequence the user may press the ESC key to stop the
test function or any other key to continue.
#SIM01R This responds with the last 4 hours of collected data in a
first-in/first-out sequence. The number of records sent is determined
by the interval between polling the instruments. For the default 5
minutes, this equals 12 samples per hour and 48 samples for four hours.
The data is the HEX-ASCII representation of the binary data. It is in
the following format:
Bytes 0-9 are hours, minutes, month, day and the last 2 digits of the year.
The remaining data are made up of 8 bytes groups of HEX-ASCII representing
4 byte IEEE-754 standard floating point data. The 8 bytes decode in the
following way:
Byte 0 is SEEE where S=sign, 1=negative. E=3 ms bits of Exponent offset by 127.
Byte 1 is EEEE the next 4 bits of exponent.
Byte 2 is EMMM the last bit of exponent and the 3 ms bits of the 23 bit mantissa.
Bytes 3-7 MMMM the remaining 20 bits of the mantissa.
The 8 byte groups represent the following parameters:
Bytes 10-17 = Temperature from the 03SL Sea-Bird CTD
18-25 = Conductivity from the 03SL CTD
26-33 = Temperature form the 04SL CTD
34-41 = Conductivity from the 04SL CTD
42-49 = Temperature from 07SL CTD
50-57 = Conductivity from 07SL CTD
The remaining parameters are from the SonTek Argonaut current meter:
Bytes 58-65 = velocity east
66-73 = velocity north
74-81 = velocity up
82-89 = beam 1 strength
90-97 = beam 2 strength
98-105 = beam 3 strength
106-113 = heading
114-121 = temperature
The following are a few lines of record data:
0506011F0741B8B74C3851B71741B8D917B8BCBE6241BD4ED9B727C5ACC4308000C22C0000C2FA000041E8000041E0000041E800004527200045089000
050B011F0741B8B74C3851B71741B8D917B8BCBE6241BD4ED9B727C5ACC4308000C22C0000C2FA000041E8000041E0000041E800004527200045089000
0510011F0741B541BE38A7C5AC41B54952B87BA88241B9BC3637FBA8824393000043CE8000C411C00041E8000041E0000041E800004527D00045084000
#SIM01UOK Brings up the EEPROM review and change functions shown below:
EEPROM update functions
0 - Quit without update
1 - Enter module address
2 - Enter module information
3 - Enter sensor information
4 - Enter software and mode information
5 - Enter calibration information
6 - Enter cal and raw data information
7 - Display entire information area
8 - Enter the Sample Interval
9 - Exit and update EEPROM
To change the Sample Interval type 8, as follows:
Enter selection -> 8
The current interval is displayed. Press the Enter key alone to retain the current
value or type in a new number of minutes from 5 to 60 and press enter. If the value
is changed the new value is shown. If it is NOT changed then a message indicating
this is shown.
Sample Interval: 5
Enter a new Interval Minutes (5-60):
Sample Interval is UNCHANGED
If you change the interval type 9 to exit and update the EEPROM; otherwise your
changes will be lost when power is cycled.
NOTE: When changing the interval keep in mind that is best if the number of records
per hour divides evenly into 60. For example a 5 minute interval is 12 records per
hour. An interval of 6 minutes is 10 records per hour but an interval of 7 minutes
results in a calculated value of 8.57 records per hour but will actually be 8 records
per hour.