Timing Diagram - Advantech PCLD-788 User Manual

CHAPTER 3. OPERATIONS
3.1. Function Description
PCLD-788 is a Relay Multiplexer Board which can be used to select
one of sixteen input channels to output. When the multiplexer
changes from channel A to channel B (see Fig. 3-1-1), 3 milliseconds
break-before-make and 6 milliseconds channel-not-close will occur at
this moment. CNS is a connector which offers channel-close and
channel-not-close signals output. The timing sequence is shown as
following
Fig. 3-1-1
Break-Before—-Make Timing Diagram
Channel control C3 ~ CO
Ch. A addr. X Ch. B addr.
Ch. A relay control
Oe Start to open Ch. A
—
€
' 3ms 1 /
Chiebarelay, son Y në Start to close Ch. B
' i
Channel closed
€ 6ms—í
'Groin elosed
Channel not closed/ x
~ Bounce
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