Stahl 130665, Руководство по эксплуатации, Страница: 22 / 32

Commissioning
8 8040606300
S-BA-8040-en-02-15/06/2007
Control and signal station
8040
The only exception to this is the use of cables in which the cores of the intrinsically safe
or the non-intrinsically safe circuit are surrounded by an earthed screen.
The pre-conditions for the separation between parts to be connected for
intrinsically safe and non-intrinsically safe circuits are:
X
a distance of 50 mm around an insulating (
)
1 mm thick) or earthed metal
(
)
0.45 mm thick) isolating plate or
X
an isolating plate which is separated from enclosure walls by a distance of
(
1.5 mm.
9 Commissioning
Before commissioning, ensure that:
X
the control station has been installed according to the directions
X
the control station is not damaged
X
there are no foreign bodies inside the control station
X
connections have been made correctly
X
the cables have been made correctly
X
all screws and nuts are fully tightened
X
the cable glands and stopping plugs are securely tightened
X
unused cable entries are sealed with plugs certified to Directive 94/9/EC, and unused
holes are sealed by stopping plugs certified to Directive 94/9/EC.
WARNING
Please convince yourself before operation that the enclosure is completely without
damage.
WARNING
Excessive tightening of cable glands and stopping plugs can impair the degree of
protection.
)
We recommend the use of type 8290 stopping plugs for unused holes and
type 8161 stopping plugs for unused cable entries. Both are available from
Fa. R. STAHL Schaltgeräte GmbH.