Campbell SAT ARGOS Bedienungsanleitung PDF herunterladen (Seite 210)

ZENO

-3200 USER MANUAL

Coastal Environmental Systems (206) 682-6048

Page 202

Sample Duration is set to 29 minutes and 45 seconds, Output Message #1 will be transmitted every 30

minutes at 29 minutes and 45 seconds after the half hour.

 Output Message #1 can be transmitted on a regular schedule independent of the Sample Interval. for

example, an output message can be broadcasted once every 10 minutes, with the Sample Interval set

to 30 minutes. Set the Data Output Message #1 Period (Line Item #5 in the Output Message Timing

Menu) to 600 seconds.

 Additional types of Output Message #1 can be transmitted if they are configured to be transmitted

when an alarm is triggered. To do this, you must use an Alarm Message Process (refer to Appendix

D).

Example #2

Consider the following sensor suite:

 A wind direction monitor sampled once every 5 seconds;

 A wind speed monitor sampled once every 5 seconds, with each measurement being an average over

3 cycles;

 A thermistor sampled once every 10 seconds;

 A power-hungry barometer sampled twice, at a 5 second spacing.

Suppose that three different output messages are transmitted:

 Wind data are transmitted as Output Message #1 as soon as they are available.

 Summary wind, temperature and pressure data are transmitted as Output Message #2 every 5 minutes,

even if no new measurements have been made (this could be to ensure transmission over an unreliable

satellite link).

 Output Message #3 is transmitted if the wind speed exceeds a user-defined threshold.

 Output Message #4 is not used.

The following time-line illustrates the timing of the different output messages with respect to the ZENO

3200's Sample Interval (set to 30 minutes):

1 2 ... 205 206 207 208 209 210 211 212 213 214 215 ... 393 394

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Campbell SAT ARGOS Bedienungsanleitung Seite 210