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1.3 System Description
The protection provided by the 440 System might be impaired if you use the
equipment in a manner not specified by Teledyne TSS. For safety reasons, always
follow the instructions and advice included throughout this Manual. If necessary,
contact Teledyne TSS for technical advice.
Teledyne TSS has designed the 440 Pipe and Cable Survey System primarily for use in surveying
operations on submarine pipes and cables. In this application the System measures, displays and
records the position of the target relative to the ROV, and its depth of cover beneath the seabed.
The technology used by the System gives it the flexibility to detect any conductive target, whether the
material is exposed or buried. For this reason, many other fields of operation could benefit from its
capabilities.
Teledyne TSS has optimised the standard 440 System and its software to provide
the best performance for use in pipe and cable survey operations. This Manual
describes the standard 440 System.
You should consult Teledyne TSS if you need to use the System within an alterna-
tive application where a non-standard configuration might be necessary.
The Teledyne TSS 440 System consists of a surface control and display computer and the depth-rated
components of the sub-sea installation:
Surface Display Computer (SDC)
You should use the SDC to configure and control the 440 System. It communicates with the sub-sea
installation using bi-directional signals transmitted through the ROV umbilical.
By interpreting the signals from the sub-sea installation, the SDC generates a clear graphical display
that helps you to guide the ROV along the course of the target.
Simultaneously, the SDC uses one of its serial data ports to transmit the real time survey information to
an external data logging system.
Sub-sea installation
The sub-sea installation includes the following components:
❐
A sub-sea electronics pod (SEP)
❐
A sub-sea power supply unit (PSU)
❐
Three search-coils
❐
A sub-sea altimeter
DPN 402196 Issue 4.1
WARNING
NOTE
© Teledyne TSS
1 – Introduction
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