8-4 Model 3022A Condensation Particle Counter
Table 8-2
Computer Commands (continued)
Command
Typical CPC
Response
Description
D Time Counts,0
0,0
.
. (16)
.
.
0,0
The Dump command initiates a
dump of the time and count data in
the same manner as a Model 3701
or 7110 Multiplexer. The currently
saved accumulator data is
transferred to the serial port. “Time”
is the number of seconds since the
last D command (99,999,999
maximum). The Channel A (total)
and Channel B counts are sent
(99,999,999 counts maximum) for
each of the 16 channels. Since the
CPC has only one channel of data,
Channel B and the last 15 pairs of
data are all zero.
ESC No Response The Escape command (ASCII 27)
causes the CPC to reset its address
command to the power-on condition
(null address) and then pass an
ESC to Port B. This command does
not require a carriage return or line
feed.
I Label Identify calibration label.
L OK The L command inputs the
calibration label (80 characters
maximum). To enter the label, the
configuration paddle switch must
first be in the enable position (see
Figure 3-2). A typical label might
include the date of calibration and
the working fluid.
R0 FULL
NOTFULL
Read liquid level status
R1 10.0 Read condenser temperature, °C
R2 35.0 Read saturator temperature, °C
R3 36.0 Read optics temperature, °C
R4 5.01 Read flow, cm
3
/s
continued
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