LineEye LE-2500XR, Инструкция по эксплуатации

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Range of signal input
For RS-232C port -18V ~+18V
For TTL port -1V ~ +6V
Resolution of voltage measurement is 0.1V.
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Display of delay time
Delay time is the time between start and stop condition of the signals, and displayed by Max. Min, resent (Now)
and average. The start/stop conditions are established when the nonconformity of the two conditions becomes
the conformity of those. Thus, start/stop conditions will not be established when they are conformed from the
beginning.
The change of signals within 0.1ms cannot be detected. (resolution is 0.1ms)
If the resent value (Now) exceeds the range of signal input, “Overflow” will be displayed. And, the value of “Max”
and “Min” may not be accurate, even though it keeps measuring the next target.
3.4 Statistic Analysis Function (TREND) [LE-3500XR only]
The statistical analysis function is capable of counting the occurrence of the events such as the number of characters
and frames in a specific period, and displaying the results on graph to check how the occurrence of them changes
over time. This function is useful to check the frequency of the use of a channel.
Setting
Press [MENU] and touch “Function ” -> “Function: Monitor” -> “TREND”. Touch “Advance settings” on the
bottom of screen.
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Event
<
Example of abwe program
>
Data All data on the TXD and RXD is the target. It is useful to check the traffic on the line.
Frame All frames on the TXD and RXD is the target.
Trigger The number of the events which satisfies the trigger factor 1 and 2 is the target. It is useful to
check the frequency (trend) of specific error or data.
In the Trend function, only trigger factor 1 and 2 are valid, and trigger action does not work. Confirm the trigger con -
dition 1 and 2 to work with trend function.
6.1 Trigger Function