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Serial Port Profiles
Highlight a signal and then click the Edit button to configure the signal pin’s parameters.
Input Signal Field Descriptions
See Digital I/O Extension for information about the I/O Extension tab.
Configure the following parameters:
Description Provide a description of the channel, making it easier to identify.
Data Options: Maximum 20 characters, including spaces
Latch Latches (remembers) the activity transition (active to inactive or inactive to
active).
Data Options: None, Inactive-to-Active, Active-to-Inactive
Default: None
Invert Signal When enabled, inverts the actual condition of the I/O signal in the status;
therefore, an inactive status will be displayed as active.
Default: Disabled
Trigger When the trigger condition is met, triggers the specified alarm action.
Data Options:
z Disabled—No alarm settings. This is the default.
z Inactive—When the expected Digital input is active, going inactive will
trigger an alarm.
z Active—When the expected Digital input is inactive, going active will
trigger an alarm.
Default: Disabled
Auto Clear Mode When enabled, automatically clears the alarm when the trigger condition
changes; for example, if the
Trigger is Inactive and the alarm is triggered, once
the input becomes active again, the alarm will automatically be cleared
Default: Enabled