Safety Instructions; Safety Symbols - Endress+Hauser Mycom S CPM 153 Operating Instructions Manual

1 Safety instructions

General
safety instructions
Electrical symbols
4
1 Safety instructions
1.1

Safety symbols

To avoid damage to persons and property, always pay attention to the safety instruc-
tions in these Operating Instructions. The following symbols are used to provide you
with important information:
#
Symbol
"
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 ope-
ration. They could cause damage to the instrument if ignored.
Note!
This symbol indicates important items of information.
%
Symbol
&
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 ground 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 equip-
ment. This can be, for example, a potential matching line of a star-shaped
grounding system, depending on national or company practice.
b
Double insulation
The equipment is protected with double insulation.
Alarm relay
Input
Output
Mycom S CPM 153
Meaning
Meaning
Endress+Hauser