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PCD0
Operating modes of the BC bus coupler
Page 134
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SAIA-Burgess Controls Ltd.
(HB_PCD0 26 766_E2.DOC)
26/766 E2
8.4
TRIGGER
TRIGGER mode is used to display the last 20 saved changes to
the digital process map when a trigger condition occurs.
Not for analog modules.
Procedure
Press the Mode key to select TRIGGER. Press OK to confirm your
selection.
Select the channel which you want to use to activate the trigger stop:
Move the channel cursor using the Left/Right keys.
Set the trigger condition using the High/Low keys.
High key: Triggers to rising edge
Low key: Triggers to falling edge
You can define any number of inputs and outputs as trigger inputs.
They are linked by OR which means that the trigger condition which is
fulfilled first ends the recording.
Press the Mode key to set the mode back to RUN and press OK. The
trigger function is active when you have returned to RUN.
The display shows the trigger status as follows:
Trigger condition defined.
The I/O maps will now be saved every time
data is modified.
Trigger condition defined and occurred.
No more maps are saved.