Safety
Leuze electronic GmbH + Co. KG
MSI-SR4B
5
2
Safety
Before using the safety relay, a risk assessment must be performed according to valid standards (e.g.
EN ISO 12100, ISO 13849
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1, EN/IEC 61508, EN/IEC 62061). The result of the risk assessment deter
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mines the required safety level of the safety relay (see table 13.3). For mounting, operating and testing,
this document as well as all applicable national and international standards, regulations, rules and direc
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tives must be observed. Relevant and supplied documents must be observed and handed to the affected
personnel.
Before working with the safety relay, completely read and understand the documents applicable to your
task.
In particular, the following national and international legal regulations apply for the start-up, technical
inspections and work with safety relays:
• Machinery directive 2006/42/EC
• Low voltage directive 2014/35/EU
• Electromagnetic compatibility 2014/30/EU
• Use of work equipment directive 2009/104/EC
• OSHA 1910 Subpart 0
• Safety regulations
• Accident-prevention regulations and safety rules
• Ordinance on Industrial Safety and Health and employment protection act
• Product safety law (Produktsicherheitsgesetz)
2.1
Intended use and foreseeable misuse
2.1.1 Intended use
NOTE
For safety-related information you may also contact local authorities (e.g., industrial inspec
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torate, employer's liability insurance association, labor inspectorate, occupational safety and
health authority).
DANGER
Electrically live systems pose a risk of electric shock!
During all conversions, maintenance work and inspections, make certain that the voltage sup
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ply is interrupted and protected against being restarted again.
Only have work on the electrical system and electronics performed by a competent person.
WARNING
A running machine may result in serious injury!
Make certain that the safety relay is correctly connected and that the protective function of the
protective device is ensured.
Make certain that, during all conversions, maintenance work and inspections, the system is
securely shut down and protected against being restarted.
