Safety engineering
Device modules
Safety module SM300
1
1.2
1.2.3
1.2-3
EDS94AYAD EN 2.2
1.2.3 Safety module SM300
1.2.3.1 Overview
ThetypedesignationofthesafetymoduleisE94AYAD.
Functions
ƒSafetorqueoff(STO)
(previously: safe standstill, protection against unexpected start-up)
ƒ Safe stop 1 (SS1)
ƒ Connection of safety sensors
ƒ PROFIsafe safety bus connection
The SM300 supports the transmission of safe information on the PROFIsafe
protocol according to the specification ”PROFIsafe - Profile for Safety
Technology”, Version 1.30, of the PROFIBUS Nutzerorganisation (PNO). The
basic device transmits the PROFIsafe information to the SM300 for s afe
evaluation.
The following applies to the SM300 safety module , version VA 1.xx:
ƒ The basic device must be equipped with a communication module
E94AYCPM (PROFIBUS-DP), SW version 0.9.
ƒ The safe parameter setting is not supported. For this reason, all
parameters are permanently set.
ƒ The stopping time of the SS1 cannot be parameterised. It is
permanently set to t
s
=30s.
ƒ This module does not support (safe) outputs.
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).
1.2.3.2 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.
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