Campbell CR23X Spécifications Page 255

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APPENDIX B. CONTROL PORT SERIAL I/O INSTRUCTION 15
B-11
TABLE B-2. CR23X/Barometer Connection Details
CONTROL PORT 5 CONTROL PORT 5
CR23X CR23X
CAUTION: To avoid damage to the
barometer CMOS chips, connect ground
first and power last. All sensor leads not
used in a particular hook-up configuration
should be insulated to avoid possible
shorting.
B.7.1.3 INSTRUCTION 15 PARAMETER
CONSIDERATIONS
The AIR Barometer requires only the CR23X's
RTS line connected to its shut down or DTR line
to transfer data. No CTS or output is required. It
therefore uses 2 CR23X ports, as described by
"CONFIGURATION 1" (Section B4).
If one AIR barometer is connected according to
Hook-up #1 with only one sample output, the
parameters are as follows:
01: 1 Repetitions
02: 00 Configuration code of
ASCII/TTL/1200 bd
03: 0 CTS/Delay before send (does
not matter)
04: AB Control ports used (User's
choice). A = sensor Shut Down
05: 0 Output start location (no output
from CR23X)
06: 0 Number of locations to send
(no output from CR23X)
07: 13 Input termination character is
Carriage Return
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