Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 121)

Safety engineering
Safety functions
Description
7
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121 EDSLCMX3024-SPS EN 5.0
7.5.2 Description
7.5.2.1 Overview
Functions
ƒ Safe torque off (STO).
(formerly: safe standstill, protection against unexpected start-up)
ƒ Connection of safety sensors.
ƒ PROFIsafe safety bus connection:
The transmission of safe information via the PROFIsafe protocol according to the
”PROFIsafe - Profile for Safety Technology” specification, version 1.30, of the PROFIBUS
user organisation (PUO) is supported.
ƒ The safe inputs and safe outputs do not affect local functions in the device. They are
evaluated and controlled exclusively via PROFIsafe.

Danger!
If the request for the safety function is cancelled, the drive will restart
automatically.
You must provide external measures which ensure that the drive only restarts
after a confirmation (EN 60204).
7.5.2.2 Safety category
The implemented safety functions meet the requirements of the standards:
ƒ Control category 3 according to EN 954-1
In order to comply with category 3, the external wiring and cable monitoring must also
meet the requirements of category 3.