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FUNCTIONS
44 SG4 EXTENDED
RESET
When ESPE locks into failure state user can go back to Normal Operation with a power
cycle or using the activation of RESET function (non-critical failures only).
To activate RESET function the 24VDC normally-open button connected to RESET input
(pin 3 of M12-8 poles - RX side) has to be kept pressed for at least 5 seconds in non-crit-
ical failure state.
For all critical failures a power cycle is necessary.
Figure 6 - Reset timings
If the error is not removed, the light curtain goes in lockout failure again.
EDM
The External Device Monitoring (EDM) function controls external devices by verifying
the OSSDs status.
EDM enabled
When EDM is enabled it is necessary to connect EDM input (pin 6 of M12-12 poles or
pin 1 of M12-8 poles- RX) to a 24 VDC normally-closed contact of the device to be mon-
itored.
NOTE
The figure below shows how to connect the EDM input.
Figure 7 - EDM connection with automatic restart selected on SG4-N models
In normal operation the third led switched on in the user interface indicates
that this function is active.
Содержание SG4 FIELDBUS Series
Страница 1: ...SG4 Extended INSTRUCTION MANUAL Safety Light Curtains ...
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Страница 10: ...X SG4 EXTENDED GENERAL VIEW Figure 1 Safety Light Curtain ...
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