Installation
SeaKing Profiling Sonar
0374-SOM-00002, Issue: 04
13
© Tritech International Ltd.
3.3.4. Waterblock Pin-out Diagram
1
4
6
2
3
5
Tritech Waterblock
Pin MAIN port
AUX port
Cable
colour
1
RS232 TX
ARCNET A
RS485 A
RS232 RX
ARCNET A
RS485 A
Yellow
2
RS232 Rx
ARCNET B
RS485 B
RS232 TX
ARCNET B
RS485 B
Blue
3
+DC Power
Red
4
-DC Power
Black
5
Dual Head Sync/
RS232 Ground
Green
6
Earth/cable shield
cable screen
Note
For information regarding the setup of the various communications
protocol, please refer to
0374-SOM-00003
.
3.3.5. Dual Head Profiler Setup
The dual head option is only usable with heads operating in
ARCNET
.
There is no way to synchronise the heads when using the RS232 or RS485
protocols.
Note
If operating in a Master/Slave configuration, pin 5 can be linked
within the interconnect cable (i.e., from the Master
MAIN
port to the
Slave
MAIN
port). This will allow the Master profiler to take control
of the Slave profiler in order for the signals to the surface to be
properly synchronised.
For a dual head installation, the
MAIN
connector port on each profiler head
should be connected to a common communications pair (pins 1 & 2) and
common supply and ground (pins 3 & 4) from the subsea junction box.
Pin 5 of the connector is allocated as a
Dual Head Sync line
on the
profiler. The pin 5 of the Master Profiler head must link through to the pin 5
of the Slave profiler head to enable
Scan and Ping Synchronisation
between heads. The pin 5 line of the profilers MUST be isolated and not linked
through to the pin 5 of any other devices such as sonar or bathymetric bottles
that are attached to the same network.
