Automatic Continue After Safeguard Stop - Universal Robots UR5 with CB2 User Manual

2.3. The Safety Interface
How to connect a light guard is shown above. It is also possible to use a
category 1 (ISO 13849-1 and EN 954-1) light guard if the risk assessment allows it.
When connecting a category 1 light guard use TA and SA and then connect TB
and SB with a wire. Remember to use a reset button configuration so that the
safeguard stop is latched.
Connecting a reset button
How to connect a reset button is shown above. It is not allowed to have a
permanently pushed reset button. If the reset button is stock a safeguard stop is
generated and an error message will appear on the log screen.

2.3.3 Automatic continue after safeguard stop

The safeguard interface can reset itself when a safeguard stop event is gone.
How to enable automatic reset functionality is shown above. This is also the
recommended configuration if the safeguard interface is not used. However,
it is not recommended to use automatic reset if a reset button configuration
is possible. Automatic reset is intended for special installations and installations
with other machinery.
Electric Specifications
To understand the safeguard functionality, a simplified internal schematics of
the circuitry is shown below. Any failure in the safety system will lead to a safe
stop of the robot and an error message on the log screen.
All Rights Reserved
23 UR5