Eaton easySafety Manual page 433

02/16 MN05013001Z EN
An override button enables the conveyed material to be
moved out of the hazardous area during muting in the event
of damage.
MST (Manual Start) operating mode is selected in order to
avoid an automatic enabling after the occurrence of faults or
the interruptions in the light curtain.
Cross-circuit monitoring of the external wiring is imple-
mented using the test signals and also the monitoring of the
following times are set.
• Discrepancy time DT: 0.5 s.
• Muting time MT: 60 s.
• Synchronization time ST: 1 s.
• Override release time RT: 60 s.
The connections are implemented as follows:
• Enable contacts of the B1 light curtain to the device termi-
nals IS5 and IS6.
• Muting sensors B2 and B3 to IS10 and IS14.
• Override key switch to IS1.
• The feedback loop including Reset button to IS2.
The safety relay outputs QS1 and QS2 switch contactors Q2
and Q3 directly.
Figure 216: Light curtain for muting: Parallel muting with 2
muting sensors
This looks as follows in the electrical circuit diagram:
LM, light curtain muting
A
A1
A2
429