Endress+Hauser TopClean S CPC 30, Руководство по эксплуатации

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1 Safety instructions TopClean S CPC 30
4 EHauser
1 Safety instructions
1.1 Notes on safety conventions and icons
To avoid damage to persons and property, always pay attention to the safety
instructions in these Operating Instructions. The following symbols are used to provide
you with important information:
General
safety instructions
Electrical symbols
Symbol Meaning
#
Warning!
This symbol alerts you to hazards which could cause serious injuries as well as
damage to the instrument if ignored.
"
Caution!
This symbol alerts you to possible faults which could arise from incorrect
operation. They could cause damage to the instrument if ignored.
!
Note!
This symbol indicates important items of information.
Symbol Meaning
%
DC voltage
A terminal at which DC voltage is applied or through which DC flows.
&
AC voltage
A terminal at which (sine-form) AC voltage is applied or through which AC
flows.
)
Ground connection
A grounded terminal, which, from the user’s point of view, is already grounded
using a grounding system.
*
Protective earth terminal
A terminal which must be grounded before other connections may be set up.
+
Equipotential connection
A connection which must be connected to the grounding system of the
equipment. This can be, for example, a potential matching line of a star-
shaped grounding system, depending on national or company practice.
/
Double insulation
The equipment is protected with double insulation.
b
Alarm relay
Input
Output