Thermo Scientific Dionex, Operator'S Manual

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Dionex Integral Systems Operator’s Manual
168
Doc. 065250-06 03/2020
alarm turns off. For the Shutdown and Standby actions, returning the
TTL to high has no effect.
•
Inverted Edge : The inverted
edge mode works identically to
the normal edge mode except
that the positive and negative
edges are reversed in function.
•
Normal Pulse : In normal pulse
operation, the negative (falling)
edge of the TTL signal is the
active edge and the positive
(rising) edge is ignored.
A pulse width of 50 ms or more
is guaranteed to be detected. A pulse width of 4 ms or less is
guaranteed to be ignored. The action for pulse widths that are greater
than 4 ms and less than 50 ms is undefined.
•
Inverted Pulse : The inverted
pulse mode operates identically
to the normal pulse mode
except that the positive and
negative edges are reversed in
function.