PRESET COUNT (PRESET UP/DOWN COUNTER)

An edge from OFF to ON on the UPCOUNT input increments the counter.

An edge from OFF to ON on the DOWNCOUNT input decrements the counter.

If the counter number/zero is reached, the OUTPUT changes to the ON state. Its return to the OFF state depends on the options selected (counter and output).

The change from OFF to ON on the INITIALISATION input forces the counter. The forced state (zero or preset value) depends on the counter options selected.

The parameters tab can be used to select:

Counter options:

Selecting the operating mode

The Parameters tab contains the box (which is checked by default) which reinitialises counting after a controller power failure.

The UPCOUNT, DOWNCOUNT and INITIALISATION inputs and the OUTPUT are digital.

The COUNTER has three additional INTEGER type outputs:

These values are displayed in the "Simulation" and "Monitoring" modes.

Parameterisation box/Comments tab

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