Computer Interface and Commands 8-5
Table 8-2
Computer Commands (continued)
Command
Typical CPC
Response
Description
R5 READY
NOTREADY
Read environment. READY implies
that the temperatures, flow and
alcohol level are all within the
operating range.
R6 2.000 Read reference detector, volts (set
for maximum of 2-4 volts)
R7 2.345 Read detector voltage, volts
R8 4410583 Read 200-second buffer (counts in
the last 200 seconds)
R9 36773 Read 20-second buffer (counts in
the last 20 seconds
RA 3724 Read 2-second buffer (counts in the
last 2 seconds)
RB 1771 Read 1-second buffer (counts in the
last second)
RC 9441 Read photometric concentration, no
matter what the concentration
exponent range. Can also be 0 or
9990000 (overrange)
RD 2.34E2 Read the concentration as displayed
on the front panel. The
concentration may have been
derived from the photometric
calibration, single-particle counting
or live-time counting.
RE 128 Read microprocessor pump-control
value (a number from 0 to 255,
corresponding to a pump voltage of
approximately 1.55 to 12 volts).
S 3
0
.
.
.
0
The Sensor command sends data on
the current saved sensor types
(identical to the Model 3701 or
7110). Sensor type 3 is for the
Model 3022A CPC or Model 3020
CNC. There are 16 lines total, the
last 15 of which are zeros.
continued
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