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Section
II
Model DRC-93C
Figure 2 - 1 .
Typical
Rack
Configuration
2 . 3 . 4
Bench U s e
The DRC-93C is shipped with plastic
"feet" and a tilt stand installed
and is ready for use as a bench
instrument.
The front of the in-
strument may be elevated for con-
venient operation and viewing by
extending the tilt stand.
2 . 3 . 5
Rack Mounting
The DRC-93C can be installed in a
standard
19
inch instrument rack by
using the optional RM-3F or RM-3F-
H rack mounting kit.
A
typical RM-
3F-H kit installation is shown in
Figure
2-1.
2 . 3 . 6
Sensor
Input
Connections
The DRC-93C has two rear panel
5-
pin input connectors for sensors.
The lead connection definition for
the sensor(s) is given in Table
2-2
and is shown in Figure
2-2.
Table 2 - 2 .
INPUT Connections
for J1
Input
A
and
J2
Input
B
Terminal
A
B
D
E
H
2 -2
Description
+
Current Out
-
Current Return
-
Voltage Sense
+
Voltage Sense
Shield
The use of a four lead connectio
arrangement (a) is required for
four lead sensor.
Figure 2-2.
Sensor Connections
A
(+I)
E
(+V)
(a)
4
Lead Sensor,
4
Lead Hook-up
Glass, Rhodium-Iron
e.g. Germanium, Carbon-
D (-V)
B
(-I)
A
(+I)
E
(+V)
(b)
2
Lead Sensor,
4
Lead Hook-up
e.g. Platinum, Silicon
Diode
D (-V)
B (-I)
A
(+I)
E
(+V)
(c)
2
Lead Sensor
2
Lead Hook-up
e.g. Silicon Diode
D
(-V)
B (-I)
S
E
N
S
O
R
S
E
N
S
O
R
S
E
N
S
O
R
The use of a four wire connection
(Figure
2-2a
and b) is highly re-
COPYRIGHT 3/88
LSCI
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