7
Operation
DynaStop® in conjunction with STO
Operating Instructions – MOVIMOT
®
flexible
191
7.6.1
Using the brake/DynaStop
®
in conjunction with STO
To use the DynaStop
®
function in connection with the STO function,
SEW‑EURODRIVE recommends control using the safety function SS1(c).
To do so, the parameter
Behavior at standstill
must be set to "Brake applied/drive not
energized" (path:
Functions > Drive functions > FCB 02 Stop default
).
The following table shows the behavior of the DynaStop
®
function depending on the
parameter setting:
Index
Parameter
Setting
Meaning
8563.1
Behavior at standstill
(Path:
Functions >
Drive functions >
FCB 02 Stop default)
Drive energized
(brake released
/ DynaStop
®
deacti-
vated)
If the enable signals are revoked, the drive deceler-
ates according to the active deceleration setpoint.
When the drive reaches speed "0", DynaStop
®
is
not
activated. Motor position control is active.
Drive not energized
(brake applied /
DynaStop
®
activa-
ted)
If the enable signals are revoked, the drive deceler-
ates according to the active deceleration setpoint.
When the speed reaches "0", DynaStop
®
is activa-
ted.
The motor is de-energized.
8501.3
Apply brake/activate
DynaStop
®
in STO
state
(Path:
Functions
>
Drive functions
>
FCB 01 Output
stage inhibit
>
Brake/DynaStop
®
)
0 (no)
The DynaStop
®
status remains unchanged when
STO is activated.
1 (yes)
DynaStop
®
is activated (not safety-related) when
STO is enabled.
Note:
Observe the permitted operating range of the
DynaStop
®
function.
Required settings
Recommended setting
29128668/EN – 12/2019