
Instruction
Manual
SF2
Series
25
5.2. Correct alignment procedure (MANUAL RESTART)
OPERATING STATUS
SAFE
condition
WAITING
for
RESTART
condition
(BREAK)
BREAK
condition
OFF
OFF
OFF
ON
- Normal
operating
mode, no
beams are
interrupted
ON
OFF
ON
OFF
- Light
curtain
aligned,
- Restart
availabile
ON
ON
ON
OFF
-
Non-
aligned
light
curtain,
-
Non-
aligned
high side
- Highest
beam
interrupted
OFF
ON
ON
OFF
-
Non-
aligned
low side
- Lowest
beam
interrupted
OFF
OFF
ON
OFF
-
Light
curtain
aligned but
at least
one beam
is
interrupted
(except
the highest
and lowest
beams)
When the mechanical installation and the electrical connections have
been effected – as explained in the previous paragraphs – it is
possible to carry-out the alignment of the safety light curtain, according
to the following procedure:
•
Check the green LED ON the bottom of the TX unit (POWER ON)
and the yellow LED (SAFE); if they are ON, the unit is running
correctly.
•
Check that no opaque objects are inside the controlled area.
•
Verify that one of the following conditions is present on the RX unit:
WAITING FOR RESTART CONDITION (BREAK)
1.
The green LED (SAFE) is OFF and the red LED (BREAK) is ON.
The yellow LED (HIGH ALIGN) is ON, the yellow LED (LOW
ALIGN) is OFF. Light curtain aligned and restart available. Press
TEST push-button for to change to Normal Condition (SAFE).
Yellow
Yellow
Red
Green