Figure 7.14: Event Input
Setup, Active
Mode
: configures which input state triggers the 933A to begin recording;
for voltage inputs: Active Hi or Active Lo; for contact inputs: Active Close
or Active Open.
MaxLogTime
: time the 933A will log data while the triggering conditions
are active (i.e. that the triggering conditions are true).
PostFault
: time the 933A will log data after the triggering conditions are
inactive (i.e. that the triggering conditions are no longer true).
Checking the Event Inputs
To verify the event inputs, you can apply a correct voltage to event inputs
1 or 2, or use a short length of wire to short across the contacts of event
inputs 3 or 4.
1. Press the SETUP key and 7
−
Trigger Setup.
2. Press the Event Settings soft key to view the event screen (see
Figure 7.15).
3. Connect the triggering signal to the desired event connection.
4. Watch the value in the line that states “EVENT INPUT STATE”
change from 0 to 1 when the event occurs.
5. You can also watch the events stack up by pressing the Review key
>
Show Log. For each new event, you will see a number of records
recorded based on the specified logging time.
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