FUNCTIONS
33
7
7 FUNCTIONS
This chapter deals with all the functions of the light curtain.
7.1 RESTART
MODE
An opaque object detected by the beams causes the switching of the OSSD outputs (i.e. the
opening of the safety contacts - SAFE condition). The restart mode allows the user to define
how the light curtain returns in a Normal Operation condition.
The restart of the ESPE (i.e. the closing of the OSSD safety contacts - SAFE condition) can
be carried-out in two different ways: Automatic or Manual Restart.
Automatic Restart:
when an opaque object is detected, the ESPE enters in the SAFE
condition. Then, after the object has been removed from the controlled area, the ESPE
begins its normal functioning again.
The response time is the time between the object introduction in the protected area and the
OSSDs achieving the OFF state (SAFE); the recovery time is the time within OSSDs go in
the ON state (SAFE) after the object is removed.
These times are function of length. Please refer to the tables in chapter 12 for further details.
Fig. 30 – Restart timings (auto)
In Automatic Restart the RESET/RESTART/ALIGN input (pin 3 of M12-12 poles – RX side) has to be
left floating.
Fig. 31 – Restart connection (auto)
Содержание SG4-14-030-OO-P
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