Configuration With Interleaved Proximity
When an axis of the MV modules is configured for a measurement with two proximity
switches, these can be configured in interleaved mode. Under the conditions listed below
the system reaches a Performance Level = PLe:
• Proximity switches must be fitted such that the recorded signals overlap.
• Proximity switches must be fitted such that at least one is always activated.
Figure 10
In addition:
• The proximity switches must be PNP type.
• The proximity switches must be NO type (Output ON when detecting metal).
• With the above conditions fulfilled, the DC value is equal to 90%.
• The two proximity switches must be of the same model, with MTTF > 70 years.
RESTART_FBK
The RESTART_FBK signal input allows the MOSAIC to verify an EDM (External Device
Monitoring) feedback signal (series of contacts) from the external contactors, and to
monitor Manual/Automatic operation (See the list of possible connections in Table 24).
 If the application requires it, the response time of the external contactors must be verified by an
additional device.
 The RESTART command must be installed outside the danger area in a position where the danger
area and the entire work area concerned are clearly visible.
 It must not be possible to reach the control from inside the danger area.
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