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VIFB13 - 03/05
3-16
3. Installation
The 24 V operating voltages are connected at
the lower right-hand edge of the node.
Operating
voltage
connection
Fig. 3/8: Operating voltage connection
The following + 24 V DC supplies are made via
this connection:
•
the operating voltage for internal electronic
components and the power supply to the
inputs of the input modules (pin 1: 24 V DC,
tolerance ± 25 %; external fuse recommended
max. 3.15 A).
•
the operating voltage for the outputs of the
valves and the outputs of the output modules
(pin 2: +24 V DC, tolerance ± 10 %; external
fuse max. 10 A required).
PLEASE NOTE
Check your EMERGENCY STOP circuitry, to
see which measures are required in order to
place your machine/system in a safe state in
the event of an EMERGENCY STOP (e.g.
switching off the power supply to the valves
and output modules, switching off the com-
pressed air supply).
9809b
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