Page
189
of
254
Version 6.3
Rev
r012
Date
05-11-2022
13.4
Power Requirements
The basic over the side installation of the Sonic MBES systems consists of the sonar head, projector,
SIM box, sound velocity probe, and interconnecting cables. The sonar head, SIM, and computer(s)
communicate via 100BASE-T or 1000BASE-T (Gigabit) full-duplex Ethernet.
Installation in an ROV requires an Ethernet media converter to convert copper to fibre optic and
back to copper media to accommodate long tethers. On shorter ROV tethers (less than 1000
metres), using impedance controlled twisted-pair copper wire and a DSL modem may be possible.
Remote or autonomous vehicles typically supply the 48-volt power to the sonar head and the SIM
Controller board.
Device
Power
Conditions
2024 with SIM
95 to 260VAC, 75 W
2024 head connected to SIM, equivalent to
over the side installation.
Conditions: 30m range, Tx power = 215 dB,
pulse width = 50us.
2022 with SIM
95 to 260VAC, 54 W
2022 head connected to SIM, equivalent to
over the side installation.
Conditions: 30m range, Tx power = 215 dB,
pulse width = 50us.
SIM
95 to 260VAC, 16.5 W
No connections to SIM
2026 head
At 48V
2.1A Average
3.1A Peak after transmit
30m range, Tx power = 215 dB, pulse width =
50us.
2024 head
at 48V
1.05 A average
1.77 A peak after transmit
30m range, Tx power = 215 dB, pulse width =
50us.
2022 head
at 48V
0.70A average
1.34A peak
30m range, Tx power = 215 dB, pulse width =
50us.
SIM control
board
48V, 78mA (gigabit)
48V, 51mA (100BASE-T)
No connections except Ethernet.
Table 20: Systems Power Requirements
In an ROV or AUV installation, the sonar head and SIM Controller board require 48VDC, supplied by
the vehicle power system. During the receive cycle, the power required is 55 watts for the 2026,
50W for the 2024, and 35 watts for the 2022. The peak current draw occurs just after transmission
when the capacitor bank recharges. See below figures for current waveforms. If a separate power
supply for the sonar is required, it should be rated 120 to 150 watts or higher.
Содержание 2026
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Страница 39: ...Page 39 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 24 Projector cable clamp bolt mounting arrangement...
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Страница 55: ...Page 55 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 42 Projector cable as of 17 March 2022...
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Страница 158: ...Figure 174 Smooth log information copied from a real time survey log...
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Страница 237: ...Page 237 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 215 Sonic 2026 Projector...
Страница 241: ...Page 241 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 219 Sonic 2022 Receiver Projector horizontal offset...
Страница 242: ...Page 242 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 220 Sonic 2024 Mounting Bracket Drawing...
Страница 243: ...Page 243 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 221 Sonic 2022 Mounting Bracket Drawing...
Страница 244: ...Page 244 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 222 Sonic 2026 Mounting Bracket Drawing...
Страница 245: ...Page 245 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 223 Sonic 2024 2022 Mounting Bracket Flange...
Страница 246: ...Page 246 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 224 SIM Box Drawing...
Страница 247: ...Page 247 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 225 SIM Stack Outline...
Страница 249: ...Page 249 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 227 Locking Ring type Deck Lead...
Страница 250: ...Page 250 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 228 I2NS Type 42 IMU Dimensions...
Страница 251: ...Page 251 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 229 I2NS Type 82 IMU offsets...
Страница 252: ...Page 252 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 230 I2NS IMU Cable...
Страница 253: ...Page 253 of 254 Version 6 3 Rev r012 Date 05 11 2022 Figure 231 I2NS SIM Dimensions...
Страница 254: ...Page 254 of 254 Version 6 3 Rev r012 Date 05 11 2022 Part No 96000001 Figure 232 Dual Head Mount Offsets...