OPERATING MANUAL
PSEN op2H-A series
The function monitors the switching of the 24 V DC N/C contact, based on the OSSD status
changes.
PNP configuration
NPN configuration
Fig. 36 – EDM timings
The 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.
PNP configuration
NPN configuration
Fig. 37 – EDM connections
7.5 EDM selection
This function enables users to select or exclude monitoring of the external switching devices.
BCM configuration: EDM selection
P
W
R
O
S
S
D
E
DM
A
CM
LEVEL
Activated
LED 4 ON yellow
Deactivated
LED 4 OFF
1003069-EN-03
39
