OPERATING MANUAL PSEN op4F/H-A series
Fig. 37 – EDM timings
T
he EDM status is not equivalent to that of the OSSD: the timing diagram illustrates the
relationship between cause (OSSD) and effect (EDM), with the maximum permitted delay.
Tc ≥ 350 ms (time between the OSSD transition from OFF-ON and the EDM test)
To ≥ 100 ms (time between the OSSD transition from OFF-ON and the EDM test)
(
two different times for the mechanical, positive-guided contact)
EDM disabled:
If EDM is disabled, the EDM input may not be connected.
Fig. 38 – EDM connections