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8
F. Electrical connections
Figure 5: AC/DC cable connections
Sensor connections
PUMP connections
POWER connection
DC
AC
other (see Figure 6). Determining which connector mates is fairly simple
but ensure a good connection by
turning the locking ring on every
plug until a small "click" is felt.
The small black cable with a metal
LEMO connector carries the
temperature sensor signal from the
upper Bath Vessel Housing down
to the lower Control Chassis
(labeled PROBE). This connec-
tion is keyed and it operates as a
bayonet with a simple push in (no
twisting). The red dot on the plug
must be facing upward or inser-
tion will not be permitted. When this connector is properly inserted, a
small "click" can be felt. Removal is accomplished with a simple pull on
the knurled section of the plug.
The small wire cable from the liquid pump with a gray plastic REDEL
connector mates with the connector on the lower Control Chassis labeled
PUMP. This connection is keyed and it operates as a bayonet with a
simple push in (no twisting). The keyway must be facing upward or
insertion will not be permitted. When this connector is properly inserted,
a small "click" can be felt. Removal is accomplished with a simple pull.
The MAINS power cord provided with the instrument will have an IEC
connector on one end and the appropriate wall outlet connector on the
other.
CANNON
®
TE-3000 Thermoelectric Constant Temperature Bath
Version 1.1c — May, 2005; CANNON
2139 High Tech Road • State College, PA 16803 • USA
Two large diameter electrical cables
deliver power from the lower Control
Chassis up to the upper Bath Vessel
Housing (see Figure 5). Both of these
cables have circular plastic power con-
nectors on their ends. The cable with
three large rectangular pins carries DC
power to the Bath Vessel Housing from
the Control Chassis and the cable with
nine smaller circular pins carries AC
power to the Bath Vessel Housing. Both
of these cables have a male connector on
one end and its female counterpart on the
Figure 6:
Cable locking mechanism
®
Instrument Company
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