About This Document; Function; Target Group; Symbols Used - Vega MET 381 EX Mise En Service

2 For your safety

1

About this document

1.1

Function

This operating instructions manual provides
all the information you need for mounting,
connection and setup as well as important
instructions for maintenance and fault rectifica-
tion. Please read this information before putting
the instrument into operation and keep this
manual accessible in the immediate vicinity of
the device.
1.2

Target group

This operating instructions manual is directed
to trained specialist personnel. The contents of
this manual should be made available to these
personnel and put into practice by them.
1.3

Symbols used

Information, tip, note
This symbol indicates helpful additional
information.
Caution: If this warning is ignored, faults
or malfunctions can result.
Warning: If this warning is ignored,
injury to persons and/or serious damage
to the instrument can result.
Danger: If this warning is ignored, seri-
ous injury to persons and/or destruction
of the instrument can result.
Ex applications
This symbol indicates special instruc-
tions for Ex applications.
SIL applications
This symbol indicates instructions for
functional safety which must be taken in-
to account particularly for safety-relevant
applications.
•
List
The dot set in front indicates a list with
no implied sequence.
→
Action
This arrow indicates a single action.
1 Sequence of actions
Numbers set in front indicate successive
steps in a procedure.
Battery disposal
This symbol indicates special informa-
20
tion about the disposal of batteries and
accumulators.
2 For your safety
2.1

Authorised personnel

All operations described in this operating
instructions manual must be carried out only by
trained specialist personnel authorised by the
plant operator.
During work on and with the device the required
personal protective equipment must always be
worn.
2.2

Appropriate use

VEGAMET 381 Ex is a universal signal con-
ditioning instrument and power supply unit for
connection of a 4 ... 20 mA/HART sensor.
You can find detailed information about the area
of application in chapter "Product description".
Operational reliability is ensured only if the inst-
rument is properly used according to the speci-
fications in the operating instructions manual as
well as possible supplementary instructions.
For safety and warranty reasons, any invasive
work on the device beyond that described in the
operating instructions manual may be carried
out only by personnel authorised by the manu-
facturer. Arbitrary conversions or modifications
are explicitly forbidden.
2.3

Warning about incorrect use

Inappropriate or incorrect use of the instrument
can give rise to application-specific hazards,
e.g. vessel overfill or damage to system compo-
nents through incorrect mounting or adjustment.
2.4

General safety instructions

This is a state-of-the-art instrument complying
with all prevailing regulations and guidelines.
The instrument must only be operated in a
technically flawless and reliable condition. The
operator is responsible for the trouble-free
operation of the instrument.
During the entire duration of use, the user is
obliged to determine the compliance of the
necessary occupational safety measures with
the current valid rules and regulations and also
take note of new regulations.
VEGAMET 381 Ex • 4 ... 20 mA signal conditioning instrument