107062-12 EN FR26 GLO 501 Printed in France
15
For point-of-operation guarding the light curtain(s) and any mechanical guards should be installed so no one
can stand between the light curtain and the danger zone. This may require additional hard guarding,
horizontal or angled positioning of the light curtain, or additional light curtains (see figure 1-2).
Figure 1-2 Point-of-operation Guarding (use FF-SB12 or 14 only)
IMPROPER POINT-OF-OPERATION PROTECTION
Do NOT use FF-SB15 Series light curtains in point-of-operation applications.
Failure to comply with these instructions will result in death or serious injury.
Figure 1-3 Perimeter Guarding (use FF-SB12, FF-SB14, or FF-15)
IMPROPER PERIMETER PROTECTION ACTIVATION
•
Design control circuit that requires a manual restart before further machine operation can occur.
•
Locate manual restart to allow operator a clear view of danger zone.
•
Operator must NOT be able to reach manual restart from within danger zone.
•
Design control circuit to prevent Programmable Logic Controller from overriding manual restart.
Failure to comply with these instructions could result in death or serious injury.
Mechani
cal
guardi
ng
Mechani
cal
guardi
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Mechani
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g
uardi
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g
Operator is undetected between the
light curtain and dangerous area
Right-angle mounting of two light
curtains prevents undetected presence
inside dangerous area
Light curtain mounted in an angled position
prevents undetected presence inside the
dangerous area
