Lenze E94AYAD - SM300 - Manual (Page 25)

Safety engineering
Safety functions
Error states
1
1.3
1.3.2

1.3-3 EDS94AYAD EN 2.2
1.3.2 Error states
Detected errors or maloperationof the drive are assigned to error states with
definite reactions. The reaction can be co-ordinated with the complete drive
via the error states.
Features Error status
System error Error Trouble
Event Fatal internal error Error Monitoring function
LED ”ME” On Blinking Flashing
Status of safety
module
Lockout (CPU stopped) Error status Normal operation
The control category
according to EN 954-1
...
... has been
abandoned
... has been
abandoned
... has not been
abandoned
Reaction The motor
immediately switches
to torque-free
operation via
z
STO
The motor is stopped via
z STO or
z SS1
Confirmation after
deactivated event
z Connection and
disconnection of
the 24-V supply at
the safety module
z Pulse at AIE
(0.3 s < t < 10 s)
z
via PROFIsafe
z Connection and
disconnection of
the 24-V supply at
the safety module
z Pulse at AIE
(0.3 s < t < 10 s)
z
via PROFIsafe
Response to the
confirmation
z The module is reset.
z The PROFIsafe communication is
interrupted.
z The module is not
reset.
z
The PROFIsafe
communication is
not interrupted.
Tab. 1.3-2 Overview of error states
If errors occur in the PROFIsafe communication, the data is deactivated from
the PROFIsafe driver. The STO function is activated.
After the PROFIsafe communication is reinitialised, the drive is
automatically enabled again if no standstill function is selected.

Note!
If the system error also occurs after switching the 24-V supply,
please contact the service.