Manual revision 017
Section 4: Mounting and Wiring System
SBE 33
29
Section 4: Mounting and Wiring System
This section covers:
Cable, winch, and deck gear (not supplied by Sea-Bird)
Mounting the Deck Unit
Wiring the system
Cable, Winch, and Deck Gear (not supplied by Sea-Bird)
The electrical requirements of the armored cable are rather simple. Only one
conductor is required (the armor is used as ground), and the total 2-way
resistance (conductor plus armor) should be under 350 ohms. The mechanical
requirements are most driven by the characteristics of the winch and weight of
the payload to be lifted. The winch should have a level wind device that is
either adjustable or pre-designed to lay the correct number or wraps across the
drum; the cable diameter and drum width determine this. The winch must also
be equipped with a slip ring (rotating contact) assembly (at least 2 channels).
A cable breaking strength of at least 5 to 7 times the maximum payload weight
is recommended for safety and cable longevity. The cable must also be
terminated both mechanically and electrically at the underwater (instrument)
end. Cable termination (mechanical) at the winch drum is usually addressed by
the winch maker. The cable is terminated electrically to the slip ring per the
slip ring manufacturer's specification.
Sea-Bird is not expert in winch and deck gear and cannot recommend a
block and A-frame. From past experience and with knowledge of what
other customers use, we can point out sources for typical cable solutions,
and cable terminations suppliers. For links to suppliers of winches,
cable, and cable termination hardware, see our website
(www.seabird.com/products/third-party-equipment#CableAndWinch).
Mounting SBE 33
Detachable rack mount
ears
are provided for mounting the SBE 33 to standard
19-inch electronics bays.
Ensure that the back of the SBE 33, specifically the cooling fan and its vent, is
not obstructed.
