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Safety instructions
10
A4500-1.1
HBM: public
WTX120
General dangers of failing to follow the safety
instructions
The device is state of the art and failsafe. The device
may give rise to residual dangers if it is inappropriately
installed or operated.
Exercise caution when pressing buttons that control
moving system parts, such as conveyor devices, valves,
etc. Before pressing these buttons, make sure that no
persons are in the danger zone of moving system parts!
The weighing terminal must not be used in a potentially
explosive atmosphere. It is the responsibility of the owner
of the equipment to classify potentially explosive areas
(division into zones, equipment groups, temperature
classes, etc.). Local labor inspection authorities and
technical inspection agencies can be of assistance here!
The power input terminals of the device must be
connected to safety extra low voltage (SELV, 12-30
V
DC
). When connecting external components with their
own power supply (e.g. serial interfaces), care must be
taken to ensure that only SELV is used here, too!
The weighing terminal contains a lithium battery for
storing the entered data. There is a risk of explosion if
the battery is replaced incorrectly. It must only be
replaced with the same type of battery, or an equivalent
type recommended by the manufacturer. Dispose of
used batteries in accordance with the manufacturer's
instructions.
Notes:
S
All switching devices (e.g. relays and contactors) that
are connected or in the immediate vicinity must be
wired to effective noise filters (RC filters,
free-wheeling diodes).
Содержание WTX120
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