TESTO 6681 Profibus, Инструкция по эксплуатации

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testo 6681
- 1.3 Commissioning 29
1.3.2.5 Creating the PE/earthing terminal
As the testo 6681 has a metal housing, we recommend that the instrument
be earthed. This can be done using the earthing terminal within the
instrument (1) or the earthing terminal outside of the instrument (2) .
Only use the external earthing terminal in dry interiors.
Using the earthing terminal within the instrument
1
Guide PE line (yellow-green)
(5)
through the cable coupling
(x)
and fit
cable lug
(8)
. Fix this to the side of the instrument
(6)
using M 5 screw
(3)
, washer
(4)
and snap ring
(7)
on the internal earthing terminal
(1)
.
2 Place the other cable end on an appropriate (PE) earth conductor, e.g.
an earthing bar.
Using an earthing terminal outside of the instrument
1 Use shielded cable (5) with cable lug (8) . Fix this using M 5 screw (3) ,
washer (4) and snap ring (7) on the external earthing terminal (2) .
2
Place the other cable end on an appropriate (PE) earth conductor, e.g.
an earthing bar.