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M o d e l
DRC-93C
section III
For Example, by holding down the
the new curve being selected for
CURVE#
key the Displays might look
calculation by the Sensor associated
as follows:
with the Upper Display.
Similarly,
the CURVE:# key and the
(down) key
SENSOR
DISPLAY
change the curve # for the sensor
Upper Display
A
CU-02
associated with the Lower Display.
3 . 9 . 2
External
S c a n n e r
Model
8085
Lower Display
b
CU-06
The CU-02 in the Upper Display indi-
cates that the Sensor using the
Up to three 8085 Scanners can be
Upper Display is calculating the
daisy-chained together to give
30
temperature with the data of Curve
remote positions for either the A
#02.
Curve
#02
from Table
3-2
is
input or the B input of the DRC-93C.
the
CRV
10
for the
DT-470
Series
Sensors.
The
CU-06
in the Lower
display indicates that the Precision
In order for the instrument to se-
Option is installed and the DRC-93C
lect the correct curve for the sen-
is calculating the temperature with
sors connected to an
8084
or
8085
the data stored in Curve
#6.
Scanner it is necessary for the user
to make a connection between the
Since the DRC-93C knows which type
REMOTE POSITION DATA Connector of
of input card is present for each
the Scanner to the DRC-93C REMOTE
input (assuming that two input cards
SENSOR ID Connector.
In this way
were installed), it will not, for
the DRC-93C will have the data re-
example, allow the selection of the
garding which position the scanner
platinum curve (Curve
#03)
for a
is in and thus which external sensor
diode input card.
If Curve
#03
is
is being examined.
The data on the
selected, the DRC-93C will default
REMOTE SENSOR ID Connector will be
to the lowest curve number with the
called the REMOTE POSITION DATA.
correct temperature coefficient, in
this case, curve #00.
For the case
The user must provide the DRC-93C
of a platinum input card and no
the information which relates the
Precision Option curves present, the
REMOTE POSITION DATA to the Curve
DRC-93C will
select
Curve
#03,
Number.
This information is stored
regardless of the curve selected
within the DRC-93C in its Correla-
using the
CURVE#
key.
3 . 9 . 1 . 3
Addition of
8229
Scanner
In addition, the user must enable
Option
the DRC-93C to use the REMOTE POSI-
TION DATA.
This is done by
using
Adding the
8229
Scanner to Input A
the
CURVE#,
REM,
and
keys as
adds four more Inputs 1,
2,
3, and
described in the next section.
4 .
curve assigned using the CURVE# key.
3 . 9 . 2 . 1
Selection
o f
the
REMOTE
POSITION
DATA
3 . 9 . 1 . 4
Changing
the Curve
u s e d by
To allow the REMOTE POSITION DATA to
a
Sensor
(No
External
S c a n n e r s )
determine the curve selection, the
user does the following:
With the
CURVE#
key held in, press-
ing the
(up) key allow the user
1 .
Press the CURVE# key and hold it
to change the curve # used by the
down.
The Curve # associated
Upper Display Sensor.
When the
with the Upper and Lower Displays
CURVE# key is let up, the instrument
will be given and the GAIN, RATE,
will return to normal operation with
and RESET blanked.
tion Table (See Table 3-4).
Each of these inputs has its own
COPYRIGHT
3/88
3-11
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