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Input / output types, Example 1 – B&B Electronics I3A12X_20B05-SOHF - Manual User Manual

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Input / Output Types


The

i

3

has 2 types of inputs: Normally Open (N/O) and Normally Closed (N/C).






The

i

3

has 6 types of outputs: N/O, N/C, Positive Edge, Negative Edge, Set and Reset.


More than one output can be put on a single rung. This performs the same function as
OR’ing the outputs. When the input condition is met all of the outputs on the rung
will be activated.

Example 1:

When %I0001 is enabled, %Q0001 switches state, as does %Q0002. Whereas
%Q0003 switches on the positive edge of %I0001 and %Q0004 will switch on the
negative edge of %I0001. %Q0006 will reset from its current state.















The rung has been “Made”
when this symbol is present.

Q3 was on
only on the
positive edge
of the input

Q4 was on
only on the
negative edge
of the input

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