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Ch ap te r 12 Co n tinuo us Fu nc tio n C har t
12.2.4 Changing a Pin Type
Users can change a pin type in a way described below, and design a complex continuous function
chart.
(1) If users select the pin of a node, a pin of a logic gate, a pin of a function block, or a pin of an
on the PMSoft toolbar or on the context menu which will appear
instruction, and then click
after the users right-click the pin, the state of the pin will be negated. Please see figure 12-18. If
, the state of the pin will not be
the users select a pin whose state is negated, and then click
negated.
Figure 12-18 Negating the state of a pin
on the PMSoft toolbar or on the
(2) If the users select the pin of an output node, and then click
context menu which will appear after the users right-click the pin, the pin will be set. Please see
, the pin will be reset. If the
figure 12-19. If the users select a pin which is set, and then click
users select a pin which is reset, and then click
, the pin will not be reset.
Figure 12-19 Setting/Resetting a pin
(3) If users select a pin of a logic gate, a pin of a function block, or a pin of an instruction, and then
on the PMSoft toolbar or on the context menu which will appear after the users
click
right-click the pin, the pin will be rising-edge triggered. Please see figure 12-20. If the users
, the pin will be falling
select a pin which is rising edge-triggered, and then click
edge-triggered. If the users select a pin which is falling edge-triggered, and then click
, the
pin will not be falling edge-triggered.
Figure 12-20 Rising edge/Falling edge
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