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Mains
IQI
,_,
50· 60Hz 42 VA:
Signal Ground
&
Chassis:
2.2.2. Generator
16
Power
On
Off
Mains
@]
"-' 50·60 Hz 42 VA
Mains Voltage
..
Fuse:
100·127
V:
T 400 mA
200·240 \1
:
T 200 mA
~
Signal
Ground
\C.1f
Chassis
Fig. 2.8. Power
and
signal
ground
&
chassis
selection
A two-pin socket accepting the power cable AN 0020, which is pro-
vided, for connection of the AC mains supply. Before connecting a
supply, make the mains voltage setting and fuse checks given in sec-
tion 3.1.3, to ensure safe operation of the instrument.
A pair of clamping terminals with captive link, for connecting or dis-
connecting the signal ground and chassis circuits of the instruments. If
this link is removed, the two ground circuits must be interconnected at
some other point in the instrumentation system. Refer to section 3.1.4
for further details of ground connections.
A
WARNING:
The Vibration Exciter ·Control Type 1053 is designed for
operation with its Signal Ground & Chassis at earth potential. Never let
the signal ground terminals, socket screens or chassis float at other
than approximately zero earth potential, as this will impair the operat-
ing safety of the apparatus and may damage it.
. - - - - - G e n e r a t o r - - - - - - - ,
Fixed
Osc.
200 kHz
7V ...:90
Var.
Osc. 200-240 kHz
7V ...:0
0-10V
l
0
u
T
p
u
T
J
Fig. 2.9. Generator input and output connectors
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