Universal Robots UR3e User Manual

SF2 Safeguard
Stop 4 (Robot
Stop according to
ISO 10218-1)
Description
What
happens?
Tolerance
and PFH
D
Affects
This safety function is initiated by an
external protective device using safety
inputs that initiate a Cat 2 stop
3
. The tool
I/O are unaffected by the safeguard stop.
Various configurations are provided. If an
enabling device is connected, it's possible
to configure the safeguard stop to function
in automatic mode ONLY. See the Stop
Time and Stop Distance Safety Functions
4
.
For the functional safety of the complete
integrated safety function, add the PFHd of
the external protective device to the PFHd
of the Safeguard Stop.
Category 2
stop (IEC
60204-1)
SS2 stop
(as
described in
IEC 61800-
5-2)
Tol: --
PFH
D
: 1.8E-
07
Robot
SF3 Joint
Position Limit
(soft axis limiting)
Description
What
happens?
Tolerance
and PFH
D
Affects
Sets upper and lower limits for the
allowed joint positions. Stopping time
and distance is not a considered as the
limit(s) will not be violated. Each joint
can have its own limits. Directly limits
the set of allowed joint positions that the
joints can move within. It is set in the
safety part of the User Interface. It is a
means of safety-rated soft axis limiting
and space limiting, according to ISO
10218-1:2011, 5.12.3.
Will not allow
motion to
exceed any
limit settings.
Speed could be
reduced so
motion will not
exceed any
limit. A robot
stop will be
initiated to
prevent
exceeding any
limit.
Tol: 5°
PFH
D
: 1.8E-
07
Joint
(each)
SF4 Joint Speed
Limit
Description
What
happens?
Tolerance
and PFH
D
Affects
Sets an upper limit for the joint speed.
Each joint can have its own limit. This
safety function has the most influence
on energy transfer upon contact
(clamping or transient). Directly limits
the set of allowed joint speeds which
the joints are allowed to perform. It is
set in the safety setup part of the User
Interface. Used to limit fast joint
movements, e.g. risks related to
singularities.
Will not allow
motion to
exceed any limit
settings. Speed
could be
reduced so
motion will not
exceed any
limit. A robot
stop will be
initiated to
prevent
exceeding any
limit.
Tol: 1.15 °/s
PFH
D
: 1.8E-
07
Joint
(each)
User Manual 101 UR10e
15.Safety Functions Table 1
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Universal Robots UR3e Specifications

General

Brand	Universal Robots
Model	UR3e
Category	Robotics
Language	English