Chapter
8
Operating Instructions
M4000 Adv., Adv. A/P, Area
88
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8010797/YT72/2016-02-19
Subject to change without notice
Electrical installation
8.6
Application diagnostic output (ADO)
Pin 7 on the system plug is an application diagnostic output (ADO). You can use this output
for a relay or a PLC.
When you connect the application diagnostic output as an alarm signal for contamina-
tion (OWS) or for the OSSD status, then during the configuration you can choose how
the application diagnostic output is to signal the alarm.
– HIGH active: If there is contamination or if the OSSDs are switched on, 24 V are
present. Otherwise the output is high resistance.
– LOW active: If there is contamination or if the OSSDs are switched on, the output is
high resistance. Otherwise 24 V are present.
If you use the application diagnostic output as an alarm signal for “Reset required”, it
has a frequency of 1 Hz.
Only M4000 Advanced and M4000 Advanced A/P in conjunction with a UE403 or
sens:Control device:
If you connect the application diagnostic output as an alarm signal for muting or over-
ride status, then the application diagnostic output will always signal the alarm with an
active HIGH. With muting or override 24 V are present. Otherwise the output is high
resistance.
If you connect the signal output, then you must configure it with the aid of the CDS prior to
commissioning. Details can be found in chapter 5.3 “Application diagnostic output (ADO)”
on page 41.
WARNING
Device configuration after replacement!
If you replace a multiple light beam safety device on which the application diagnostic out-
put (ADO) is connected and configured, then you must activate the application diagnostic
output (ADO) again via the CDS. It is not enough to only make the electrical connections.
Fig. 57: Connection to the
application diagnostic output
Notes
0 V DC
Pin 7
