The KL2521 output terminal alters the frequency of a binary signal and (electrically isolated from the K-bus) outputs it. The frequency is preset by a 16 bit value from the automation unit.
SIMATIC DP, 5 universal terminal modules TM-E15C26-A1 for ET 200S for electronic modules 15 mm width, Spring-type terminals, 2x6 terminal connections with terminal access to AUX1, AUX1 continuous 5 units per packing unit