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About this manual
Protection type according to EN 60529.
Limited contact protection!
Housing/terminals: IP 40 / IP 20.
Finger-proof (DIN EN 50274).
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Proper Use
The samos safety system described in this manual serves to protect people, the
environment, the machine and the material according to the valid EU occupational health
and safety directive 89/391/EEC, the machinery directive 2006/42/EC, the use of work
equipment directive 89/655/EEC as well as the statutory regulations and standards
applicable in other countries (e.g. USA with OSHA 29 CFR 1910.xxx safety standards,
OSHA 3067 concepts and technologies for machine safety and NPFA 70, NFPA 79, ANSI
B11 product liability).
If the safety system is properly maintained and used for its intended purpose it will not
normally cause damage to property or present health hazards. However, improper
configuration, installation, maintenance or operation of the system or machine, ignoring the
instructions in this manual, or intervention by insufficiently qualified personnel may result
in connected actuators (such as motors, hydraulic units, etc.) becoming a source of
danger.
The safety system is a state-of-the-art product and is manufactured to recognized safety
requirements. All the same, its use can cause danger to the health and safety of operators
and others, or damage machines, systems or other property.
The safety system must only be used in perfect technical condition for its intended
purpose, with attention given to safety and danger, and observing the information and
instructions given in this manual and the operating instructions supplied with the devices.
Correct transport, storage, installation, operation and maintenance of the system are all
prerequisites for smooth and safe operation of the control system. Malfunctions, in
particular those which may affect safety, must be immediately resolved.
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Conditions of Installation
The devices must be installed in an enclosure with at least IP54 protection.
The devices must be installed on a mounting rail (EN 50022-35).
The mounting rail must be connected to protective earth (PE).
The system and the system inputs must always be powered by a common power supply
unit.
The external power supply unit must comply with the regulations for safety and
protection extra low voltage systems (SELV, PELV acc. to IEC 60536) and DIN EN 50178
(Electronic Equipment for Use in Power Installations).
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Exclusion of Liability
The application examples and circuitry suggestions have been developed to the state of
the art and our best knowledge. Nonetheless, Wieland cannot accept liability for the
correctness and completeness of the information. The information does not have the legal
status of guarantees or guaranteed qualities.
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samos® is a registered brand name of Wieland Electric GmbH.
All rights reserved.
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© 2010 Wieland Electric GmbH | BA000256 | 12/2012 (Rev. I)
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