Campbell SAT ARGOS Bedienungsanleitung Seite 73

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Seitenansicht 72
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 65
Destination Address = 1025
Source Address = 0100
Command = DL5 (from Appendix E)
Sum of all ASCII characters = 49 + 48 + 50 + 53 + 48 + 49 + 48 + 48 + 68 + 76 + 53
= 590
Checksum = 90
CCSAIL Message = #10250100DL590<ETX>
If you send this CCSAIL command to the ZENO
®
-3200, you might see something like this on your
screen:
60
#01001025
01/08/01,13:42:55,25.2,13.8,
01/08/01,13:43:55,25.2,13.8,
01/08/01,13:45:55,24.8,13.8,
01/08/01,13:46:55,24.9,13.8,
01/08/01,13:47:55,24.9,13.8,
18
Since the <ETX> character is not printable, it won't show up on your screen. It would not be easy to
perform a checksum verification by hand on this received CCSAIL message since it is long and there are
carriage returns and line feeds contained within it. It would be easy for any computer to perform the
checksum verification though.
From the above example, you should notice that the Source and Destination Addresses are reversed, as
compared to the command that was sent, because the message is being sent in the opposite direction. You
should also notice that the message portion of the CCSAIL response contains all five Data Records.
When the ZENO
®
-3200 is polled by a CCSAIL command for multiple Data
Records, the ZENO
®
-3200 will respond by framing all of the requested Data
Records within a single CCSAIL response.
4.6.4. Intercept™ and Data Records Transmitted In CCSAIL Format
When the Real Time Output Format, Line Item #4 in the System Function Menu, is configured for
CCSAIL Format
61
, the ZENO
®
-3200 will transmit data fields each Data Record with comma-delimiting.
60
Refer to Section 10.6.7 for Coastal Environmental System's recommended procedures for configuring output
messages in CCSAIL format.
61
Refer to Section 4.4.2.
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