3.2 Switching On
Switch on mains voltage at external switch.
After the mains voltage has been switched on, the
green LED on the front panel of the equipment
lights up and signals that the supply voltage is pres-
ent at WS5-5. If no red LED lights up on the front
panel, the power stage of the WS5-5 is ready, i.e.
the READY output is activated.
The following precondition must be satisfied:
•
ENABLE input active, see Figure 3-2.
3.3 Operating Facilities
The equipment is operated by the control signals
from the superordinate control unit (see section
3.1); there is no provision for manual operation of
WS5-5.
NOTE
During operation the outside surfaces
of the housing which serve as a heat-
sink may heat up.
3.4 Switching Off
Switch off mains voltage at external switch.
DANGER
Do not loosen the mains cable until
after all phases of the supply voltage
have been disconnected!
Operation
3 – 4 WS5-5 Doc no. 211.347/DGB 12.92
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