Campbell SAT ARGOS Manual de usuario Pagina 68

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ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 60
4.4.2. Real Time Data Output Message Format
Real time output messages are messages automatically transmitted by the ZENO
®
-3200 without being
polled for any information. There are several different formatting options available for the real time
output messages.
Line item #4 in the System Functions Menu sets the Real Time Output Message Format. If you type the
command H4{ENTER} in the System Functions Menu, you will see the following list of options appear
on your screen:
> h4
* Select real time output message format, valid options are
- 0 (real time output message suppressed).
- 1 (ASCII characters, width dependent, comma separated).
- 2 (ASCII characters, [see NOTE below], no comma separation).
- 3 (CCSAIL format, [see NOTE below]).
* NOTE: for option 2, width is specified by 'Field Width' item in Data
Output Menu; if a data item uses fewer characters than specified,
Leading space characters are inserted.
* NOTE: for option 3, ID numbers are 4 character fixed fields and the
checksum becomes modulo 100 with no trailing comma.
Hit any key to continue . . .
These options are similar in meaning to those for the Data Dump Format, but with several differences:
Real Time
Message
Format
Code
Action that ZENO
®
-
3200 Will Take Why To Use This Option
0
Suppress all real time
output messages.
If you are using Intercept™ to poll the ZENO
®
-3200
for data, the ZENO
®
-3200 should not be generating
any real-time output messages.
1 Comma delimited
2 Space delimited
Personal choice or because computer being used to
read data requires this type of delimiter.
3 CCSAIL Format
56
If you are using Intercept™ and the ZENO
®
-3200 only
has unidirectional communication, the ZENO
®
-3200
needs to automatically output its data in CCSAIL
format.
4.5. BAD SENSOR VALUE REPLACEMENT
Whenever the ZENO
®
-3200 is unable to collect data from a sensor, the ZENO
®
-3200 will output a value
of -1,000,000 as the measured value for that sensor.
56
The CCSAIL Format is explained in a Section 0. Section 4.6 should be read in its entirety to fully understand the
CCSAIL protocol.
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