
Safety engineering
Basics
Safety instructions
9
EDS94AYAF EN 1.0
1.1.6
Safety instructions
Application as directed
The safety modules SMx (E94AYAx) may only be used together with Lenze drive controllers
of the L−force | 9400 (E94A... / E94B...) series.
Any other use shall be deemed inappropriate!
Installation/commissioning
Danger!
Danger to life through improper installation
Improper installation of safety engineering systems can cause an uncontrolled
starting action of the drives.
Possible consequences:
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Death or severe injuries
Protective measures:
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Safety engineering systems may only be installed and commissioned by
qualified and skilled personnel.
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All control components (switches, relays, PLC, ...) and the control
cabinetmust comply with the requirements of EN ISO 13849−1 and EN ISO
138492. Thisincludes i.a.:
– Switches, relays with at least IP54 enclosure.
– Control cabinet with at least IP54 enclosure.
– Please refer to EN ISO 13849−1 and EN ISO 138492 for all further
requirements.
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It is essential to use insulated wire end ferrules for wiring.
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All safety relevant cables outside the control cabinet must be protected, e.g.
by means of a cable duct:
– Ensure that no short circuits can occur.
– For further measures see EN ISO 138492.
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If an external force acts upon the drive axes, additional brakes are required.
Please observe that hanging loads are subject to the force of gravity!