12
Fixed Blanking Section 5-1
4. The user must then press
and release the Start but-
ton or perform a power cy-
cle. The MS4800 receiver
then resets. If no faults are
detected and the state of
the optical beams match-
es the recorded Fixed
Blanking pattern, the re-
ceiver will enter the IN-
TERLOCK or MACHINE RUN condition depending upon the selected Start
Mode. The amber receiver Blanking Active LED will be on.
5. If the 10 minutes period
expires, the amber LED
and IBIs (Individual Beam
Indicators) quit flashing
and the yellow LED (IN-
TERLOCK) goes on. The
user can start another
programming sequence
by setting both Fixed
Blanking switches off and
then on. The user may
start normal operation by a press and release of the start button or by per-
forming a power cycle.
6. To exit Fixed Blanking the
user sets both selector
switches to the off posi-
tion, then either presses
and releases the Start but-
ton or performs a power
cycle. The receiver will
power up with the amber
LED off.
Note Please refer for further information to the FAQ to section 17-6.
IBIs of blocked
beams off.
Amber LED is on to indicate
in Fixed Blanking mode.
321 546
321546
ON
ON
on
on
SWA
SWB
IBIs of blocked
beams on.
Amber LED is off to indicate
in Fixed Blanking is disabled.
321 546
321546
ON
ON
on
on
SWA
SWB
IBIs of blocked
beams on.
The amber LED and IBIs quit flashing
to indicate program switch is disabled.
The yellow LED turns on to indicate the
Start button is active.
321 546
321546
ON
ON
off
off
SWA
SWB
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