Mettler Toledo IND780 Manual De Instalación página 58

IND780 Installation Manual
Flat braided
ground cable
5. For an IND780 harsh enclosure, to make the power ground connection on pin
7 of the option board terminal strip:
a. First, a separate short length of the power ground wire with a ring terminal
b. Next, twist the home run cable's inner drain wire together with the core
Pin 7 of PDX board
2-30
cable and the drain wire before finally securing everything to the back
cover of the IND780 using the large strain relief cable clamp provided with
the unit (Figure 2-46).
Figure 2-46: PDX Home Run Outer Braid Termination, Panel
on one end must be prepared in advance. Attach this separate wire with
the ring terminal end to the ground stud located inside the terminal's
enclosure using a hex nut. Connect the other end to pin 7 on the terminal
strip.
power ground wire and make a connection to the same ground stud using
another ring terminal as shown in Figure 2-47.
Ground stud on
wall of harsh
enclosure
terminal strip
Figure 2-47: PDX Home Run Power Ground Connection, Harsh
Strain relief
clamp
Outer drain
wire, trimmed
Inner drain wire
wrapped around
power ground wire