Doosan Robotics User Manual v2.6.1
86
7.5.3 Safety I/O Setting
This function inputs/outputs safety-related signals through a redundant terminal. If a signal that is
different from the redundant safety input or output signal is detected, the system determines whether it
is a short circuit or hardware defect and stops the robot with STO Stop Mode. To set the Safety I/O, go
to the
Robot
Workcell and select
Robot
>
Safety I/O
.
•
Safety Input Setting
Signal Name
Description
Emergency Stop (L)
It is an interface to receive emergency stop signal from
peripheral device, or connect additional emergency stop
switches.
High
: Normal operation
Low
: It stops the robot according to the stop mode setting for
Emergency Stop
at the
Safety Stop Mode
.
Emergency Stop
– No
Loopback (L)
It is an interface to receive emergency stop signal from
peripheral device, or connect additional emergency stop
switches.
This signal doesn’t activate ‘
Emergency Stop
–
excl. No Loopback Input’
safety outp
High
: Normal operation
Low
: It stops the robot according to the stop mode setting
for
Emergency Stop
at the
Safety Stop Mode
.
Protective Stop (L)
It can be linked with Safeguarding Devices such as safety
matts, light curtains and laser scanners.
High
: Normal operation
Low
: It stops the robot according to the stop mode setting for
Protective Stop
at the
Safety Stop Mode
.
Protective Stop
– STO(L)
High
: Normal operation
Low:
Immediately cuts the motor power and engages the
brakes to force the robot to stop.
Protective Stop
– SS1(L)
High
: Normal operation
Low:
Cuts off the motor power and engages the brakes after
controlled stop.
Protective Stop
– SS2(L)
High
: Normal operation
Low:
Position is maintained with power supplied to the
motor and the brake disengaged after controlled stop.
Protective Stop(L) - Auto
Reset & Resume (R)
Unlike the other Protective Stop, Interrupted state can be
reset and automatic operation can be resumed automatically
by this signal. This enables automatic restart after Safety-
rated Monitored Stop described in ISO TS 15066.
Low
: Follow
Protective Stop
– SS2
.
Rising (Low to High)
: the task resumes automatically
without manual reset or resume.
Warning
Resuming automatic operation without manual intervention can
be dangerous,
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