BRUEL & KJAER 1618 - Page 15

LINE INPUT.
FUSE:
OUTPUT:
INPUT:
RECORDER CONTROL I:
RECORDER CONTROL II:
Input for filter
shift pulses + 32
32 V
to seect
Automatic Stop
—0 V
Not used
Input socket accepting the Power Cable AN 0020 provided, for connec-
tion of an AC mains supply. Before connecting the apparatus to a sup-
ply, the mains voltage setting and fuse checks given in section 3.1
should be carried out.
Fuse holder containing a 200 mA slow blow fuse for operation from
200 to 240V AC mains lines. For 100 to 127V operation, a 400 mA
slow blow fuse should be fitted. See section 3.1.
BNC socket in parallel with front panel output socket.
BNC socket in parallel with front panel input socket.
7-pin DIN socket for remote switching of the filters by a Level Recorder
Type 2307. For connections see Fig.2.3.
8-pin DIN socket for remote switching of the filters by a Level Recorder
Type 2306 or 2309. For connections see Fig.2.4.
+ 32 V DC from
Recorder (indicates)
Recorder on)
+ 32 V to
stop Recorder
immediately
+ 32 V to
select pen lift n0174
Not used
Filter shift
pulses
0 V to select
Automatic Stop
0 V to stop
Recorder immediately
Not used
+ 6 V from
Level Recorder
(indicates recorder
on)
0 V for
pen down
1701102
Fig.2.3. RECORDER CONTROL I viewed from Fig 2.4. RECORDER CONTROL II viewed from
outside the socket
outside the socket
Z\ Warning: The 1618 is designed to be operated with its signal ground lines and chassis
always at earth potential. Never let the signal ground terminals, socket screens or chas-
sis float at any other potential, as this will impair the operating safety of the 1 618 and
may damage the instrument.
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