Manual

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