Lenze L-force 9400 Instructions De Montage page 114

6 Wiring the device modules
Safety modules
SM300
Functions
Safe torque off (STO)
ƒ
(previously: safe standstill, protection against unexpected start-up)
Safe stop 1 (SS1)
ƒ
Connection of safety sensors
ƒ
PROFIsafe safety bus connection
ƒ
Fig.6-10
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:
ƒ
Protective measures:
Total cable length between X82 and the connected components (e.g. sensors,
devices, etc.) > 3 m:
ƒ
Total cable length between X82 and the connected components (e.g. sensors,
devices, etc.) < 3 m:
ƒ
114
E94AYAD safety module
Death or severe injuries
It is essential to shield the cable installed between X82 and the connected
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.
Unshielded wiring is permitted.

SSP94SM317
EDK94SH366 DE/EN/FR/ES/IT 3.1