Menu Header Structure; Data Transmission Protocols; Point-To-Point Protocol; Verbose And Non-Verbose Special Characters - idronaut Ocean Seven 304Plus Operator's Manual

SECTION ONE – SYSTEM DESCRIPTION

1.10.3. Menu header structure

The menu and submenu show a list of commands preceded by header lines, which identify the menu
or submenu and show the relevant information about the CTD in square, round and glyph brackets.
OCEAN SEVEN 304Plus - ID:304-0010101 {USR}[9.0_00-02/2012] 14:21:09.01 11-07-2012
Where:
OCEAN SEVEN 304Plus
ID:0010101
{USR}
[9.0_00 02/2012]

1.10.4. Data transmission protocols

Whenever the CTD runs in "NON-VERBOSE MODE", interaction with the user is performed by
means of the "DATA TRANSMISSION PROTOCOL". Selection among the data transmission protocols
can be done by means of the configuration parameters.

1.10.5. Point-to-point protocol

The ASCII based protocol is easy to use and allows data transmissions point by point. The protocol
implies bidirectional half-duplex data transmission between the CTD and a PC. The CTD, which is
always the slave device, does not send any message unless requested by the master PC.

1.10.6. Verbose and non-verbose special characters

Some special characters are used by the OCEAN SEVEN 304Plus communication protocol and
operator interface which are associated to special functions:
CTRL-C Interrupts any data acquisition cycle in progress, attended or unattended. Data storing
is completed automatically and the CTD operations control returns to the "operator
interface" software module.
CTRL-T Switches the CTD immediately from verbose to non-verbose operating mode.
BACKSPACE Allows the operator to delete previously entered characters.
CTRL-J Special character used to terminate the PTP protocol messages.
ENTER Confirms the modified numerical parameters.

1.10.7. Field upgradeable firmware

Like most up-to-date high technology products, the OS304Plus CTD is equipped with "FLASH"
memories. A special function of the management firmware allows the user to upgrade the firmware to
the last release flawlessly and without opening the CTD. Please contact IDRONAUT to obtain the
relevant information and dedicated instructions.

1.10.8. Low power consumption

CTD electronics is accomplished using high integration CMOS devices, low power consumption
integrated circuits, and discrete components. The power consumption of the OCEAN SEVEN 304Plus
CTD is very low if compared to its performance. The low power consumption is further reduced
whenever the CTD is not used for more than 1 minute. In fact, the management firmware powers OFF
all unused internal hardware resources while waiting for a command from the operator. Furthermore,
whenever the CTD remains in this low power condition for more than two minutes, it automatically
shuts down by itself thus further reducing the power consumption to less than 8 µAh.

1.10.9. Configuration and Calibration

The OCEAN SEVEN 304Plus CTD configuration and calibration parameters are stored in a non-
volatile memory which guarantees up to 10.000.000 of write operations and infinite read operations.
IDRONAUT – Brugherio (MB)
Type of CTD and name.
Serial number.
Indicates the access rights to the CTD functions and configuration.
CTD firmware release number and release date.
OCEAN SEVEN 304Plus CTD
7
12-2015