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Section III
Model
DRC-93C
3 .
The Upper and Lower SENSOR win-
The operation is completed with
dows are blank.
The Upper UNITS
the
ENTER
key or cancelled with
show
"K"
and the Lower UNITS "V"
the CLEAR key.
to indicate Raw Units Data (see
Table
4 - 1 9 ) .
2.
Increment the quantity using the
key or decrement the quantity
4.
When no digits are flashing, the
with the
key.
The operation
Curve#
is accessed using the
is completed with the ENTER key
CURVE#
key and the POINT# by the
or cancelled with the CLEAR key.
POINT# key.
3 .
The quantity can be incremented
5.
The keypad
(0-9)
is used to enter
or decremented by any amount as
a quantity after it begins to
follows. Enter the digits of the
flash.
The decimal point can be
increment or decrement desired
used with
Temperature or Raw
via the keyboard.
The decimal
Units Data but not with Curve# or
point can be entered as desired.
Point#.
Pressing the
key will add the
quantity and the
key will
6.
The
PROG
key
always
returns
subtract the quantity. The opera-
operation to normal operation.
tion is completed with the ENTER
key or cancelled with the CLEAR
7.
The CLEAR key clears the display
key.
if pressed after an entry is
begun.
Methods
2
and
3
can be used together
in any combination.
This same pro-
8 .
The instrument will return to
cedure is also used to enter the
normal operation if no key is
dwell except that the minus sign and
pressed for
20
seconds.
decimal point are not permitted.
(See section
3.8.5).
3.10
SETPOINT
and
CONTROL BLOCK
3.10-1 SETPOINT
Parameters entered using a blue key
To change the Setpoint, press the
with a black legend (SETPOINT, GAIN,
SETPOINT key an then use methods
1,
RATE, RESET, and MANUAL HEATER)
2,
and/or
3
described above.
require the use of the
ENTER
key.
When one of these keys is pressed
If in degrees Celsius or degrees
and released, the least significant
fahrenheit, the
(-)
key can be used
digit or digits will flash to indi-
cate that the parameter can be en-
tered.
The quantity can be entered
3.10-2
GAIN
in three ways.
Variable gain (proportional) allows
NOTE: IN ALL CASES, pressing the
adjustment of
overall
controller
CLEAR
key will result in the old
gain over a range from 0.1 to
99.
value being inserted and the opera-
tion completed.
Pressing the ENTER
To change the Gain, press the GAIN
key enters the quantity in the ap-
key and use methods 1,
2,
and/or
3
propriate display into the DRC-93C.
1 .
Enter the digits via the key-
3.10-3 RATE
to change the sign of the setpoint.
described above.
board.
used with the Setpoint and must
Adjusts rate time constant of dif-
preced the digits.
The decimal
ferentiator.
Effectively sets time
point can be entered as desired.
constant between
1
and
990
seconds.
3-16
COPYRIGHT
3/88
The
minus sign can be
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