KROHNE OPTISWIRL 5080 Handbook page 34

ELECTRICAL CONNECTIONS
4
3 Insert the cable into the fitting until the
cable is bottomed out inside the fitting.
Rotate the fitting one or two turns to pack
the braid into place.
Remove the cable and examine the packed
braid. If there are still strands of braid that
have not packed, push them back by hand
and reinsert the cable into the fitting.
Remove the cable and examine the braid. It
should be compressed to a length of
approximately 9.5...12.7 mm / 3/8...1/2".
Note: Fitting is connected to junction box Note: Fitting is connected to junction box
Note: Fitting is connected to junction box Note: Fitting is connected to junction box
(not shown) (not shown) (not shown) (not shown)
4 Remove the outer clear wrapping and the
metalized mylar film to the end of the
packed braid. This exposes the inner drain
wire. The inner clear wrapping and filler
material are still in place.
5 Make sure that the drain wire is not in
contact with the outer braid.
Then use an ohm meter to verify that there
is no electrical connection between the
drain wire and the braid over the entire
length of the cable. This step also verifies
that the other end (electronics end) of the
cable has been properly dressed and that
there is no damage or defects in the cable.
6 Fold the drain wire back onto the packed
wire braid and wrap it around one full turn.
Then cut off the remainder of the drain wire.
7 Cut back the inner clear wrapping and the
filler to 12.7...15.9 mm / 1/2 to 5/8" from the
end of the outer insulation.
8 Cut an 12.7 mm / 1/2" long piece of shrink
wrap and position it so that half the wrap
covers the inner clear wrapping/ filler and
half covers the exposed pair of twisted
wires. Apply heat to the shrink wrap.
Note: A 12.7 mm / 1/2" wide piece of
electrical tape can be used in place of the
shrink wrap.
9 Strip the ends of the twisted pair 6.4 mm /
1/4".
Table 4-1: Preparing the remote signal cable
34
1 Compressed copper braid
2 Fitting
3 Rubber grommet
a = 9.5...12.7 mm / 3/8...1/2"
1 Outer clear wrapping
2 Metalised mylar film
3 Drain wire
4 Inner clear wrapping
a = 12.7...15.9 mm / 1/2...5/8"
1 Drain wire folded back; wrapped once around and trimmed
2 Twisted pair
a = 12.7 mm / 1/2"
b = 6.4 mm / 1/4"
1 Knurled nut
2 Shrink wrap or electrical tape
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OPTISWIRL 5080
04/2020 - 4005615602 - MA OPTISWIRL 5080 R02 en