Flowlink 5.1 Software Instruction Manual - Isco
Flowlink 5.1 Software Instruction Manual - Isco
Flowlink 5.1 Software Instruction Manual - Isco
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<strong>Isco</strong> <strong>Flowlink</strong> <strong>5.1</strong> ® <strong>Software</strong><br />
Site Window - 4100/4200/6700<br />
memory divided into 1840 blocks; 4200 Series Flow Meters have<br />
81,792 bytes of memory divided into 639 blocks. Each block<br />
contains 128 bytes. When a partition is created, it is divided into<br />
whole-block units. That is, a partition could use one or two<br />
blocks, but never 1.5 blocks.<br />
The reading type will determine how many readings can be<br />
stored in a block of memory. Refer to the chart below. As you can<br />
see, some reading types require more bytes to store a single<br />
reading.<br />
Reading type<br />
Readings/Block<br />
Rainfall 124<br />
PH 124<br />
Dissolved Oxygen 124<br />
Level 62<br />
Velocity 62<br />
Temperature 62<br />
Conductivity* 62<br />
4-20 percent 62<br />
Flow Rates 31<br />
* Conductivity includes reading types reported as specific<br />
conductance, salinity, total dissolved solids, and conductivity.<br />
Calculating the partition size - apply the Time Span in Days,<br />
Time Span in Hours, Reading Interval in minutes, and Readings/<br />
block to the equation below.<br />
Where:<br />
D = Time Span Days<br />
H = Time Span Hours<br />
R = Reading Interval in minutes<br />
B = Readings/block<br />
P = Partition Size<br />
The following example applies typical partition settings to the<br />
equation.<br />
Example: A level partition stores readings at 5 minute intervals<br />
over a time span of 9 days, 1 hour.<br />
Therefore, this partition uses 5376 bytes.<br />
83
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