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5
The user must then press and release the START button or perform a power cycle. The MS4800
receiver then resets. If no faults are detected and the state of the optical beams matches the recorded
Fixed Blanking pattern, the receiver will enter the INTERLOCK or MACHINE RUN condition
depending upon the selected Start Mode. The amber receiver Blanking Active LED will be on. See
Figure 5-5 - Selecting Fixed Blanking Procedure 4.
Figure 5-5 Selecting Fixed Blanking Procedure 4
If the 10 minute period expires, the amber LED and IBIs quit flashing and the yellow LED
(INTERLOCK) 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 performing a power cycle. See Figure 5-6 - Selecting Fixed Blanking Procedure 5.
Figure 5-6 Selecting Fixed Blanking Procedure 5
To exit Fixed Blanking the user sets both selector switches to the off position, then either presses and
releases the Start button or performs a power cycle. The receiver will power up with the amber LED
off.
Figure 5-7 Selecting Fixed Blanking Procedure 6
OMRON Scientific Technologies Inc.
IBIs of blocked
on
SWA
1
2
3
4
5
6
ON
SWB
1
2
3
4
5
6
ON
on
Amber LED is on to indicate
in Fixed Blanking mode.
on
SWA
1
2
3
4
5
6
ON
SWB
1
2
3
4
5
6
ON
on
Amber LED is off to indicate
in Fixed Blanking is disabled.
IBIs of blocked
off
ON
SWA
1
2
3
4
5
6
SWB
1
2
3
4
5
6
ON
off
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.
20
beams off.
IBIs of blocked
beams on.
beams on.
© OMRON STI 0715 PN99804-0010 Rev. R
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