
3.3
Switching on
Switch on the DC power supply. The yellow LED at the fre-
quency converter lights up.
Switch on the turbomolecular pump at the frequency con-
verter
■
via pins 7 and 8 of the socket REMOTE (X1) (For exam-
ple via a remote control or with the aid of the plug with
integrated ON/OFF switch: see Section 1.5
Accessories).
■
by a start command via the interface.
The turbomolecular pump accelerates. The green LED
flashes. When the pump reaches normal operation the
green LED lights up permanently.
After a mains power failure the pump can run up automati-
cally once more.
Operation
40
17200492_002_A5 - 04/2011 - © Oerlikon Leybold Vacuum