ctrlX SAFETY "SafeMotion"
Safety functions in special mode “Safe motion SMMx”
Fig. 27: Safely-monitored transient oscillation; time for “Safely-monitored transient oscillation” is
exceeded→F7014
F7014 Tolerance time for oscillation exceeded
P‑0‑3290.x.2: Velocity threshold
P‑0‑3290.x.7: Tolerance time for oscillation
P‑0‑3290.x.8: Safely-reduced speed
With the auxiliary function “limitation of the positioning velocity“, it is possible
to monitor and, if necessary, limit the velocity command value effective in the
drive to the active velocity threshold (P‑0‑3238).
8.4.3
Safe direction (SDI)
The safety function “Safe direction“ ensures that motion is only possible in one
direction.
Features
The safety function “Safe direction“ has the following features:
● Required optional safety technology module: The safety function can be
used in drive systems equipped with the optional safety technology module
“Mx”.
● Maximum safety level:
The safety function is intended for safety-relevant applications up to
Category 3, PL d according to EN ISO 13849-1 or up to SIL 2 according
to EN 62061.
● Notes on parameterization:
The safe direction (released direction of motion) has to be individually para-
meterized for normal operation and special mode. A tolerated motion in a
non-released direction of motion can be specified by the standstill window
(P‑0‑3270.0.3).
The safety function Safe direction is active in normal operation, if it has
been parameterized for this mode (P‑0‑3277.0.1).
and / or
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