Aktivierung OMS
Zustimmtaster (ES)
aktiv
Zustimmtaster (ES)
inaktiv
Normalbetrieb
Bewegungsfunktion
Sonderbetrieb
Bestätigung (AIS)
für Wiederanlauf
Stopp-Funktion
Deaktivierung OMS
Fig. 81: OMS function
Special operation (OMS) provides for overwriting a normal stop STO, SS1 and SS2 by activating
the enable switch (ES), see
A detected error in special operation activates the stop function that is correspondingly para-
meterised there (
,
or
). The stop func-
tion can be parameterised in special operation as stop function.
If a request for special operation is pending ("OMS activation"), the stop function that is para-
meterised for special operation in
0x28A9:001
(
) is started.
Via
Safely Limited Increment (SLI)
, the motion function (SLS or retracting) parameterised for
special operation in
0x28A9:002 can be executed.
Furthermore,
0x28CA:003
can be used to switch on the monitoring function
(
Safely Limited Increment (SLI)
) for the motion function parameterised.
The setting "0" deactivates the SLI monitoring function.
Activation of special operation
By means of the "Operation mode selector" function, special operation is activated by an "ON
state" on a safe input. The function
must have been assigned to the corre-
sponding input by parameterisation.
Only if no safe input is utilised, the function can be activated via the safety bus.
Via the safety bus, a data telegram with a corresponding content is sent to the
inverter, see safety bus .
Deactivation of special operation
•
A changeover from special operation to normal operation can only be effected when the
drive is at a standstill, see
•
In the case of a restart, the restart (AIS) must be acknowledged via the terminals or safety
bus.
•
An automatic restart is not permissible.
-
If "Automatic restart" is parameterised, this has to be prevented by special measures,
e.g. programming in the master control.
Safety functions
Operation mode selector (OMS)
435
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