CiDRA SONARtrac PW VF-100 - Manual (Page 92)

20832-01 Rev 05 Page 6-26
6.3.5.2 DC-Powered Passive Sonar Meter
Any voltage within the range of 18
– 36 VDC can be applied to the DC
version of the passive sonar meter. Power cables of size AWG 18
minimum to AWG 12 maximum (1.04 mm
2
to 3.31 mm
2
), with a
ground conductor, are required.
WARNING
For Class I, Division 2 installations, a non-current carrying safety
ground attached to the ground terminal on the input power
terminal block is required, and Power Entry and Inputs/Outputs
must be installed in accordance with National Electrical Code
requirements.
CAUTION
Always use a non-current carrying safety ground attached to the
ground terminal on the input power terminal block. Failure to do
so could result in poor system operation.
Figure 21 Transmitter DC Power Connection
Feed electrical power wires through the fitting. Referring to the
previous figure, attach the ground wire to the Ground ( ) terminal,
DC+ to the L (+) terminal, and DC- to the N (-) terminal.
The recommended torque for the terminal screws is 4.4 to 5.3 lb
f
-inch
(0.5 to 0.6 Nm).
Line In (+)
Neutral (-)
Ground ( )