
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 167
Coastal Environmental Systems recommends that the period length of each
Sensor Timing Loop should increase with Sensor Timing Loop index
number. This is not necessary, but it makes it easier to remember which
Sensor Timing Loop has the longer period length.
10.3.8. Setting The Maximum Number of Readings
You can specify a limit to the number of readings taken from a sensor over the course of the Sample
Duration. This is done using Line Item #11.
In Section 10.3.7, an example timing diagram was made showing a Sample Interval of 20 seconds, a
Sample Duration of 19 seconds and a Sensor Timing Loop period of 2.5 seconds. In that example, there
was no limit placed upon the total number of readings to be taken, so with such a configuration, the
ZENO
®
-3200 would collect data from that sensor 8 times during each Sample Duration. Lets say that you
only want to collect data 3 times through each Sample Duration of 19 seconds, but at a Sensor Timing
Loop period of 2.5 seconds. By setting the Maximum Number of Readings (Line Item #11) to 3, that is
exactly what will happen:
Sample Interval |---------------------------------------| 20s
Sample Duration |-------------------------------------| | 19s
Sensor Timing Loop ^ ^ ^ 2.5s
Maximum Readings stop 3
Sensor Reading at each ^
Setting the Maximum Number of Readings (Line Item #11) to 0 means there
is no limit.
The valid range of values that can be set for Line Item #11 is 0 to 32,767.
10.3.9. Setting Number of Measurements To Take--Sensor Sample Count
For any analog or digital sensor, the Sensor Sample Count, Line Item #10,
specifies how many individual measurements will be taken during a single
sensor reading.
This is not the same usage as for Serial Sensors.
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If you want to take multiple, consecutive measurements to increase accuracy of reading an analog or
digital sensor, you can specify the total number of measurements in Line Item #10, the Sensor Sample
185
Refer to Section 10.3.5.
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