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18
GA 09.035/6.02 - 07/2011 - © Oerlikon Leybold Vacuum
Installation
3.3
Connecting
3.3.1
Back side of the device
18 shows the back side of the CENTER THREE. The connection
for channel 3 (item C) is not available in the CENTER TWO.
Fig. 3-4
Back side of the CENTER THREE
A Transmitter connection, channel 1
B Transmitter connection, channel 2
C Transmitter connection, channel 3
D CONTROL connection
E Switch for program transfer mode
F RS232C connection
G Mains connection / disconnecting device
H Mains switch
I
Ground screw
J RELAY connection
K Screw for internal protective conductor. Do not loosen this screw!
Internal protective conductor.
The internal protective conductor is connected to the casing with a screw
(item K). If the internal protective conductor is not fastened the unit can be
extremely dangerous in case of a failure.
Do not turn or loosen the screw that fastens the internal protective conduc-
tor.
The configuration of the available connections is described in the following
sections.
A
B
C
D
E
F
G
H
I
J
K
Warning