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1.5.
Control reliability
"Control Reliability" means that, "the device, system or interface shall be designed, constructed and installed such that a
single component failure within the device, interface or system shall not prevent normal stopping action from taking place
but shall prevent a successive machine cycle." (ANSI B11.19-1990, 5.5)
OSHA 29 CFR 1910.217 states that, "the control system shall be constructed so that a failure within the system does not
prevent the normal stopping action from being applied to the press when required, but does prevent initiation of a
successive stroke until the failure is corrected. The failure shall be detectable by a simple test, or indicated by the control
system."
Honeywell has developed a self-checking technique that combines reliability with safety. The FF-LS Series safety light
curtain functions with dual channel redundancy and positive self-check monitoring. This means that a faulty component in
the miniature safety light curtain will cause it to fail in a safe mode.
This design meets the highest safety requirements (Type 4 Electrosensitive Protective equipment) described in the
EN 61496 European standard. Type 4 safety light curtains are designed and manufactured in such a way that a single
breakdown or an accumulation of failures does not lead to the loss of the safety function when a dangerous situation arises.
The safety function is maintained on a permanent basis.
1.6.
Product approval
Approvals
TÜV CE Type 4
cCSAus
1.7.
Compliance
1.7.1.
European directives compliance
The EC type examination certificate granted by the TÜV Hannover/Sachsen-Anhalt ensures conformity of the product with
respect to the essential requirements of the following EC Directives:
Directives
Machine Directive
Low Voltage Directive
Electromagnetic Compatibility Directive
1.7.2.
European regulations compliance
The installation of a FF-LS Series safety light curtain is subject to strict rules that may vary from country to country. Correct
installation is essential to ensure safe operation and must be carried out according to the appropriate regulations.
Regulation
EN 292
EN 294
EN 61496-1/2
(replaces pr EN 50100-1/2)
EN 60204
EN 954
EN 999
EN 811
7
Description
Only the packaging and the documentation of FF-LS Series
products carry the CE mark; the CE declaration of conformity is
located at the back of this installation manual
Number
98/37/EC
73/93/EC
89/336/EC as amended 91/263/EC, 92/31/EC, 93/108/EC and 93/97/EC
Title
Safety of Machinery - Basic concepts, general principles for design
Safety of Machinery - Safety distances to prevent danger zones being reached by the
upper limbs
Safety of Machinery - Electrosensitive Protective Equipment
Safety of Machinery - Electrical equipment of machines
Safety of Machinery - Safety related parts of control systems
Safety of Machinery - The positioning of protective equipment in respect of approach
speeds of parts of the human body
Safety of Machinery - Safety distances to prevent danger zones from being reached by
the lower limbs
107022-16 EN FR26 GLO 301 Printed in Germany
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