Function 16 [t-head2-col]

On- and Off-delayed

The control voltage Us is applied directly to the terminals A1 and A2. If the terminals Y1 and Y2 in the DILET70 are linked by a potential-free contact, or in the case of of the ETR4-69/70 a potential is applied to B1, after a set time t the changeover contact goes to the position 15-18 (25-28).

If the connection Y1-Y2 is now interrupted, or B1 is separated from the potential, the changeover contact goes back to it´s original position 15-16 (25-26) after the same time t.