Overview

The digital input terminal KL1501 is an up/down counter and transports the counter value electrically isolated to the higher-level automation device. When used as a single-channel up/down counter (32 bits), the pulse is set via the clock input; the counting direction is specified via the U/D input. Furthermore, the input can also be used as a gate input for triggering the counter. In 2-counter mode, two separate coun...