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5.3.2.1 Default safety configuration
The robot is shipped with a default configuration which enables operation without any addi-
tional safety equipment, see illustration below.
5.3.2.2 Connecting emergency stop buttons
In most applications it is required to use one or more extra emergency stop buttons. The illus-
tration below shows how one or more emergency stop buttons can be connected.
Safety
24V
EI0
24V
EI1
24V
SI0
24V
SI1
5.3.2.3 Sharing emergency stop with other machines
It is often desired to set up a common emergency stop circuit when the robot is used together
with other machines. By doing so, the operator does not need to think about which emergency
stop buttons to use.
The Robot Emergency Stop input cannot be used for sharing purposes, since both machines will
wait for the each other to go out of the emergency stopped condition.
In order to share the emergency stop function with other machinery, the following configurable
I/O functions must be configured through the GUI.
• Configurable input pair: External emergency stop.
• Configurable output pair: System emergency stop.
The illustration below shows how two UR robots share their emergency stop functions. In this
example the configured I/Os used are "CI0-CI1" and "CO0-CO1".
Configurable Inputs
24V
CI0
24V
CI1
24V
CI2
24V
CI3
UR5/e-Series
Configurable Outputs
24V
0V
0V
CI4
CO0
CO4
24V
0V
0V
CI5
CO1
CO5
24V
0V
0V
CI6
CO2
CO6
24V
0V
0V
CI7
CO3
CO7
Safety
24V
EI0
24V
EI1
24V
SI0
24V
SI1
Safety
24V
EI0
24V
EI1
24V
SI0
24V
SI1
Configurable Inputs
A B
24V
24V
CI0
CI4
24V
24V
CI1
CI5
24V
24V
CI2
CI6
24V
24V
CI3
CI7
I-32
5.3 Controller I/O
Configurable Outputs
0V
0V
CO0
CO4
0V
0V
CO1
CO5
0V
0V
CO2
CO6
0V
0V
CO3
CO7
Version 3.11
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