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Safety instructions
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General safety information
Please observe the following safety instructions and application notes to preserve the
certified safety engineering features and to ensure trouble-free and safe operation.
Danger!
Danger to life through improper installation
Improper installation of the safety engineering systems can cause an
uncontrolled restart of the drives.
Possible consequences:
Death or severe injuries
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Protective measures:
Total cable length between X82 and the connected components (e.g. sensors,
devices, etc.) > 3 m:
It is essential to shield the cable installed between X82 and the connected
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components:
– Connect the shield at least to the shield support of the installation
backplane.
– If possible, connect the shield to the connected component as well.
Total cable length between X82 and the connected components (e.g. sensors,
devices, etc.) < 3 m:
Unshielded wiring is permitted.
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Residual hazards
In case of a short-circuit of two power transistors a residual movement of the motor of up
to 180 °/number of pole pairs may occur! (Example: 4-pole motor ⇒ residual movement
max. 180 °/2 = 90 °)
This residual movement must be considered in the risk analysis, e.g. safe torque off for main
spindle drives.
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EDK94AYAE DE/EN/FR/ES/IT 1.1
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