Download Print this page

Lakeshore DRC-93C User Manual page 29

Temperature controller

Advertisement

Section
III
Model
DRC-93C
They are used to indicate REMOTE
and presses the
key.
Both keys
POSITION DATA when an External Scan-
can then be released.
The dwell in
ner (Models
8084
or
8085)
are at-
the Upper Display will flash in-
tached (see Section
3.9.2).
dicating that it can be changed by
the keypad
(0-9)
and entered into
When the
8229
Scanner Conversion
the instrument with the ENTER key.
Option is not present the display
Hitting the CLEAR key before the
toggles between the
A
and B input
ENTER key will cancel the entry and
cards.
return the
instrument to normal
operation.
3 . 8 . 3 8229
Scanner Input
Option
To change the dwell shown in the
With the addition of the Model
8229
Lower Display is the same except
Scanner
Input Option,
four more
that the SCAN and
keys are em-
inputs are added to the
A
channel
ployed.
input. These additional inputs are
designated
1, 2,
3,
and
4
in the
When the dwell is being changed, in
SENSOR window.
addition to using the keypad
(0-9)
there are two other methods to mod-
With the scanner conversion option
ify the dwell displayed.
The first
present, the SENSOR key and
(Up)
method is to increment the dwell
key increments the Upper Display
with the
key and decrement it
inputs in the sequence
A-1-2-3-4-b-A
with the
key.
When the desired
etc.
Similarly for the Lower Dis-
dwell is displayed hitting the ENTER
play with the SENSOR key and
key will store that dwell in the in-
(Down)
key.
strument and return to normal ope-
ration.
The second method in which
The
8229
Scanner Input option is
the entry can be changed is by using
covered in Section VII.
the keypad to enter an amount which
is to be added or subtracted from
3.8.4 SCAN
Function
the previous value.
Hitting the
key will add the amount and the
The SCAN function allows the instru-
key will subtract the amount.
The
ment to step between the two inputs
two methods can be used at will.
with a scan rate independently set
The ENTER key will enter the final
between
0
(Skip) and
99
seconds for
value into the instrument or the
each input. Setting a dwell time to
CLEAR key will cancel the operation
zero automatically skips the channel
at any time.
only
when in the SCAN mode.
If the
scanner option is present, inputs
3 . 8 . 6 Upper and Lower
D i s p l a y
Units
(1-4)
are included in the
SCAN
func-
tion and each has its own dwell time
3 . 8 . 6 . 1 U n i t s
Select
which is set independently.
The units of the Upper Display is
3.8.5
The
SCAN
Dwell
Time
changed by holding down the UNITS
key and pressing the
(Up) key
The dwell time for the Sensor inputs
until the units desired are obtain-
associated with the Upper and Lower
ed. Each time the
key is pressed
Display can be displayed by pressing
the units of the Upper Display cycle
the
key down for more than one
clockwise.
The units which do not
second. The display will read dt-00
pertain to the input card selected
for a dwell time of
0
seconds.
If
are
automatically
skipped,
i
.
e .
,
it is desired to change the dwell
only one of the sensor units (V,
shown in the upper display, the user
or nF) is possible depending on
continues to hold down the SCAN key
which sensor input card is present
3-6
COPYRIGHT
3/88

Advertisement

loading