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Model
DRC-91C/93C
9210
Diode
Input Card
2.
Precision Standard Resistor
-
4. Calibrate
the
A / D
Converter.
100
kilohms with a tolerance of
Verify that the Display selects
-
±0.01% or better.
the desired Input Card and that
the units selected are V.
Set
3.
Precision
Voltage
Source
-
the standard to
1.5000
volts for
capable of supplying a voltage
the
9210-3
and
adjust
the
with an accuracy and resolution
trimpot marked
A/D
until the
of 100 microvolts out of
10
display reads 1.5000 V.
Check
volts or better.
linearity by
inputting
2.0000
and 1.0000
volts and verify that
The unit should be allowed a one
the unit displays those settings
hour warm-up time to achieve rated
within
±
0.0001
volts
(5.0000
specifications.
Use the following
and
1.0000
volts for the
9210-
procedure to calibrate the 9210
6).
If this specification is
Diode Input Card.
not met,
check the Technical
Service
Guide
for
further
1 . Remove
the
three
top
panel
instructions.
5 .
Install the top cover panel.
9 2 1 0 . 7 SENSOR CURVE
INFORMATION
screws and slide the panel cover
off
.
2.
Set 10µA
Current
-
Connect the
precision resistor across the A
(+I) and B
(-1)
pins of the five
pin
input
connector
for the
Sensor Curve data for use with the
input
the
9210
occupies.
9210
Diode Input Card must
be
put
Connect the DVM plus lead to the
in
table form consisting of voltage
+I pin and the minus lead to the
and temperature points with the
-I pin.
Adjust the trimpot
voltage in ascending voltage order.
marked
10µA
on
t h e
Refer to Section
4
of this manual
calibration
cover
for
the
for a discussion of how the data
appropriate Input Card
until
must be formatted for entry into
the voltage across the resistor
the unit over the remote interfaces
is
1.0000
±
0.0001
volts.
and to Appendix B for a discussion
of
Precision
Option
curves
and
3. Calibrate
the Buffered Sensor
examples of curves that would be
Output Signal.
Connect the DVM
used with the
9210.
plus lead to the +V Buffered
Sensor Output Signal pin for the
appropriate Input Card and the
9 2 1 0 . 8
REPLACEABLE
PARTS
minus lead to the -V pin on the
MONITORS connector.
Connect the
Included in this section is Figure
precision voltage source across
9210-1.
It includes the Model
9210
the E (+V) and D (-V) pins of
Diode Input Schematics, replaceable
the
five pin input connector
parts
list
and
illustrated
for the appropriate input.
Set
component layout.
Refer to the
the standard to 1.5000 volts and
adjust the trimpot marked B on
the calibration cover until the
DVM reads as close to 1.5000
volts as possible for the
9210-3
configuration
and
adjust
the
value to
0.68666
volts for the
9210-6
configuration.
manual for ordering information.
COPYRIGHT 12/87 LSCI
9210-3
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