15
SYMBOL IDENTIFICATION
Triangle with an exclamation mark:
Warning/demand. Potentially lethal
situations.
The CE mark
proves the compliance of the module with the essential
requirements of the directives.
The double insulation symbol
shows that the module is protected by
double or reinforced insulation.
Ex
modules have been approved acc. to the ATEX directive for use in
connection with installations in explosive areas.
SAFETY INSTRUCTIONS
DEFINITIONS:
Hazardous voltages
have been defined as the ranges: 75 to 1500 Volt DC, and
50 to 1000 Volt AC.
Technicians
are qualified persons educated or trained to mount, operate, and
also trouble-shoot technically correct and in accordance with safety regulations.
Operators
, being familiar with the contents of this manual, adjust and operate
the knobs or potentiometers during normal operation.
RECEIPT AND UNPACKING:
Unpack the module without damaging it and make sure that the manual always
follows the module and is always available. The packing should always follow
the module until this has been permanently mounted.
Check at the receipt of the module whether the type corresponds to the one
ordered.
ENVIRONMENT:
Avoid direct sun light, dust, high temperatures, mechanical vibrations and
shock, and rain and heavy moisture. If necessary, heating in excess of the
stated limits for ambient temperatures should be avoided by way of ventilation.
All modules fall under Installation Category II, Pollution Degree 1, and Insulation
Class II.
Summary of Contents for 5420B
Page 10: ...8 2 Trådstransmitter 2 Trådstransmitter Loop alarm Loop alarm Forsy ning Forsy ning ...
Page 22: ...20 2 wire transmitter 2 wire transmitter Loop alarm Loop alarm Supply Supply ...
Page 46: ...44 Schleifen alarm Schleifen alarm Versorg ung Versorg ung 2 Draht Umformer 2 Draht Umformer ...
