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1.9.
Additional protection
In some applications, it may be necessary to provide additional protection to augment the protection provided by the safety
light curtain. Fixed barriers or additional safety light curtains shall be used to ensure an operator is forced to move through
the sensing field to enter the danger zone. The operator shall not be able to stand between the danger zone and the safety
light curtain without being detected. Additional protection shall be properly positioned and have the necessary mounting
dimensions to prevent an operator from reaching the danger zone from the top, bottom, rear or laterally. Fixed barriers shall
be installed permanently with the aid of a tool or welded (if possible). If barriers need to be automatically positioned, their
positioning must be checked. It must not be possible for operators to neutralize the positioning sensors associated with
these barriers.
Honeywell FF-SR Series safety control modules may be used as an interface between the protective safety equipment and
the machine control circuitry. These products offer redundancy, monitoring, and control reliability features that ensure the
highest level of industrial safety.
Honeywell safety switches and sensors that may be used to check the position of barriers include:
GSS safety limit switches
GK safety switches
GKR/GKL safety switches
24/924CE miniature safety limit switch.
Honeywell safety products that may be used with the FF-LS safety light curtain and comply with European standards
include:
FF-SM safety mat
FF-SB safety light curtains
FF-SPS4 single beam safety device
FF-SCAN multi-beam modular safety light curtain
FF-SE safety laser scanner.
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107022-16 EN FR26 GLO 301 Printed in Germany
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