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419050/B
Transceiver Unit description
The SC90 transceiver is provided to transmit the acoustic energy into the water. To do
this, the transceiver computes and generates the electric signals sent to the transducer to
form a transmission - a 'ping'. After each transmission, it will receive the echoes from
the targets in the water column and/or the seabed. These are filtered and amplified, and
then converted to digital format.
The SC90 Transceiver Unit is normally located in
the sonar room. It is mounted on the bulkhead using
powerful shock absorbers. The physical distance to
the hull unit is limited by the length of the transducer
cables.
The Transceiver Unit controls the transmission and
reception made by the 480 transmitters and 480
receiver channels. 16 identical transceiver boards
are used. The Transceiver Unit also holds an Ethernet
switch and a large capacitor bank. A dedicated Power
Supply Unit is provided to supply the required DC
voltages to the Transceiver Unit.
A high quality Ethernet cable is used for communication with the Processor Unit on the
bridge. Another high quality Ethernet cable is used to connect the Transceiver Unit to
the Motor Control Unit on the hull unit. A third Ethernet cable connects the Transceiver
Unit to the Power Supply Unit.
Tip
Installing a second Ethernet cable to the Processor Unit is recommended. One cable is
for operational use, while the other is spare.
The transducer cables are plugged into the side wall of the transceiver cabinet using a
special connector. The connectors for power and interfaces are located at the bottom
of the cabinet.
Note
To extend the lifetime of the SC90 Transceiver Unit, it must be mounted at dry and clean
location with sufficient ventilation. Observe the sonar room requirements
Related topics
Basic items provided with a standard delivery, page 32
System units, page 22
Installing the Transceiver Unit, page 184
Technical specifications, page 391
422358 Transceiver Unit dimensions, page 442
Simrad SC90 Installation Manual
Summary of Contents for SC90
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Page 16: ...14 419050 B Simrad SC90 ...
Page 219: ...419050 B 217 Øverland UPC 3005 Dimensions Cable layout and interconnections ...
Page 223: ...419050 B 221 Øverland UPC 5000P Dimensions Cable layout and interconnections ...
Page 438: ...436 419050 B 427177 Transducer dock dimensions page 494 Simrad SC90 Installation Manual ...
Page 441: ...419050 B 439 Drawing file ...
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Page 445: ...419050 B 443 Drawing file ...
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Page 463: ...419050 B 461 Drawing file ...
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Page 469: ...419050 B 467 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 471: ...419050 B 469 Drawing file ...
Page 473: ...419050 B 471 214043 Gate valve installation DN350 Drawing file ...
Page 475: ...419050 B 473 422915 Gate valve installation DN350 Drawing file ...
Page 477: ...419050 B 475 083045 Gate valve installation DN500 Drawing file ...
Page 479: ...419050 B 477 33414 Gate valve dimensions DN350 Drawing file ...
Page 480: ...478 419050 B Simrad SC90 Installation Manual ...
Page 481: ...419050 B 479 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 482: ...480 419050 B 33473 Gate valve dimensions DN350 Simrad SC90 Installation Manual ...
Page 483: ...419050 B 481 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 484: ...482 419050 B 33498 Gate valve dimensions DN500 Simrad SC90 Installation Manual ...
Page 485: ...419050 B 483 Drawing file ...
Page 487: ...419050 B 485 37357 Gate valve dimensions DN500 Drawing file ...
Page 488: ...486 419050 B Simrad SC90 Installation Manual ...
Page 489: ...419050 B 487 Related topics Installing the optional gate valve DN500 page 103 Drawing file ...
Page 491: ...419050 B 489 Drawing file ...
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Page 495: ...419050 B 493 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
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Page 544: ...Simrad SC90 Fish finding sonar Installation Manual ...