CANOGA PERKINS 9145EMP Network Interface Device Hardware - Manual (Page 37)

Installation 9145EMP Network Interface Device Hardware User’s Manual
Connecting the Electrical Power
25
3.5.2 DC Power
CAUTION: The 48VDC 9145EMP is only intended to be used in a restricted
access location in accordance with Articles 110-16, -17, and -18
of the National Electric Code ANSI/NFPA 70.
NOTE: The DC Power Terminal Block is removable for ease of installation and
replacement. It is recommended the Terminal Block be removed when
connecting power to avoid accidentally crossed or shorted power leads
from damaging the 9145EMP or your DC power source.
The 9145EMP is shipped with a compatible DC Power terminal block. Connect DC power to the
9145EMP as follows (Figure 3-11):
NOTE: The 9145EMP supports both Positive and Negative grounded DC power.
1. Loosen the terminal screws for +, -, and GND
2. Slide the wires one at a time (green = GND, red = +, black = -) into the square openings in
the bottom of the terminal block.
3. Tighten the terminal screws as wires are installed.
4. Use an ohmmeter to verify that power leads are not shorted to GND.
5. Connect the+ and - wires to the power source.
6. Insert the terminal block into the DC power receptacle at the rear of the 9145EMP.
Figure 3-11 Connect DC Power
TERMINAL
SCREWS