8540571 - 28/04/2008 - Rev.6
25
Configuration errors (BLINKING SYMBOLS)
7 SEGMENTS DISPLAY
LED
SYMBOL
MEANING
RED (2)
GREEN (3)
YELLOW (1)
2
OSSD erroneously
connectedt o 24VDC
ON OFF OFF
N.B.: For the meaning of the number that is displayed in case of a malfunction, please refer to
the “TROUBLESHOOTING” paragraph in this manual.
Î
On the emitter of the
Multibeam
models, near each beam, is present a red led
which permits an easy detection of the beam.
TEST FUNCTION
The VISION VX barrier system features an automatic self-diagnosis function that enables it
to detect response time malfunctions (in an execution time less than
800ms
). This safety
system is permanently active and does not require any interventions from the outside.
This safety system is permanently active and does not require any interventions from the
outside. The TEST function is available should the user wish to check equipment connected
downstream of the barrier (without physically entering the protected area).
By means of this function the OSSDs can be switched from ON to OFF as long as the
function remains active. Please see Table 2 (page 11) for details about the use of the test
function.
By means of the test function, which simulates occupation of the protected area, it possible
to verify the operation of the entire system by means of an external supervisor (e.g. PLC,
control module, etc.).
The minimum duration of the TEST function must be 40 msec.
