4.3.6.3 Override
Overview
An o
verride is a manual muting triggering after an error in the muting conditions. The
protective device is bypassed and the system can be cleared and an error-free status
can be achieved.
Override is always active if muting has been configured.
Important information
WARNING
Ris
k of the machine starting unexpectedly
b
Install the override control switch outside of the hazardous area so that it cannot
be actuated by a person that is inside the hazardous area.
b
Make sure that the operator can oversee the entire hazardous area when actuat‐
ing the control switch.
Performing an override with the integrated override function
An er
ror occurs while a muting condition is valid. The cause of the error is indicated by
the LEDs on the receiver. If an optional muting light is connected, this muting light also
flashes.
At the same time, the output signal switching devices (OSSDs) switch to the OFF status.
The system is in the override required status and waits for the operator to actuate the
override control switch or for the cause to be remedied in another way, e.g. for the belt
to be cleared.
The status override required is only triggered by the system if the following 3 condi‐
tions are present:
•
An error occurs, i.e. at least one muting sensor is active and at least one is
inactive
•
Muting ends
•
The ESPE is interrupted by an object
Performing an override
T
he system is in the override required status after an error. Muting can only continue at
the point where it was interrupted if the operator starts the integrated override function
using the control switch. Then, the output signal switching devices (OSSDs) change to
the ON status and the system monitors the override status.
If reset and override are configured, both functions are started using a common control
switch.
Monitoring override statuses
F
or reasons of safety, the number of override statuses is limited to 5. The system
automatically resets the counter each time the system is activated and after every
error-free muting cycle without an override.
If the permitted number of override statuses has been exceeded, the system then
switches to the locking status and displays an error message.
4.3.6.4 Time monitoring
4.3.6.4.1 Muting hold time
A muting hold time is active in combination with the exit monitoring function.
4 P
ROJECT PLANNING
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