Counter (WORD)

Up-Down-Counter This function block counts 0 and 1 edges (one edge per loop) at the inputs. If the Reset input in on HIGH, the counter is set back to 0. If the counter over- or underflows, the carry of the counter is set for one cycle time. Signals Name I/O Type(s) Function vz I BIT Up counting input rz I BIT Down counting input c I BIT Reset iz O WORD Counter ue O BIT Carry signal Comments This function block is used to count slow binary events (the pulse interval must be longer than the ...