xLadder user manual-V2.0.0.6

6.1.4 Rising edge and falling edge

Operand

Input / output

Data type

When left logic is converted from 0 to 1,Rising edge contact

conduction time is a scan cycle.

When left logic is converted from 1 to 0,Falling edge contact

conduction time is a scan cycle.

In LAD, the rising edge and the falling edge are represented

by the contacts.

Example:

77

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