Campbell SAT ARGOS Bedienungsanleitung Seite 69

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Seitenansicht 68
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 61
-1,000,000 is referred to as the Bad Sensor Value.
If you do not want the Bad Sensor Value to appear in any of your data output messages, you can set a
replacement string using line item #8 in the System Functions Menu:
SYSTEM FUNCTIONS MENU
(Cn/m) Change Item n To Value m (I) Contact Information
(S) System Date and Time (E) Save Parameters To EEPROM
(T) Calibrate Internal Temperature (U) User Menu
(V) Program Version (Q) Quit
(K) Constants Menu (H) Help
(B) BIT Names Menu
Item 1: 0 (Primary Unit/Experiment ID)
Item 2: 0 (Secondary Unit/Experiment ID)
Item 3: 1 (Data Dump Format)
Item 4: 1 (Real Time Output Format)
Item 5: 0 (Add Compass To Vane)
Item 6: 0 (Compass Offset)
Item 7: 0 (Barometer Elevation)
Item 8: (Bad Sensor Value Replace)
>
The replacement string can be any string of up to 8 characters. If, for example, you wanted the string
"N/A" to appear in place of the Bad Sensor Value, you would type the command C8/N/A{ENTER} in
the System Functions Menu. Then, in either the real time or data dump output messages, anytime a Bad
Sensor Value is encountered, ZENOSOFT
®
will transmit N/A instead of -1000000.
If you decide to not use the Bad Sensor Value Replacement set in line item #8, type the command
C8/<0>{ENTER} in the System Functions Menu.
4.6. THE CCSAIL COMMUNICATIONS PROTOCOL
When you plan to have a computer automatically retrieve Data Records from a ZENO
®
-3200, a computer
can use an alternate and more efficient means of entering the User Interface using the CCSAIL
Communications Protocol.
57
The CCSAIL Communications Protocol is an ASCII-based messaging system using consistent structure
and built-in error checking. Because it has built-in error checking, it is very useful in communication
interfaces that are prone to noise. Since it is ASCII based, CCSAIL messages can be easily interpreted
using a terminal emulation program. The consistent structure of CCSAIL messages makes it ideal for use
with automated communications.
57
The CCSAIL Communications Protocol is an extension of the ANSI/IEEE Standard 997-1985 "Serial ASCII
Instrumentation Loop (SAIL) Shipboard Data Communication". CCSAIL extends SAIL by including message
checksums and acknowledgements/non-acknowledgements responses.
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