OPM223/253
Safety instructions
5
EMC
This instrument has been tested for electromagnetic compatibility in industrial use according
to applicable European standards.
Protection against interference as specified above is valid only for an instrument
connected according to the instructions in these Operating Instructions.
1.4
Return
If the transmitter has to be repaired, please return it
cleaned
to the sales centre responsible.
Please use the original packaging, if possible.
1.5
Notes on safety icons and symbols
Safety icons
Electrical symbols
#
Warning!
This symbol alerts you to hazards. They can cause serious damage to the instrument or
to persons 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.
%
Direct Current (DC)
A terminal at which DC is applied or through which DC flows.
&
Alternating Current (AC)
A terminal at which (sine-form) AC is applied or through which AC flows.
)
Ground connecting
A 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.
b
Alarm relay
Input
Output
DC voltage source
Temperature sensor
Summary of Contents for OPM223
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