Note
The RAPID function
IsBrakeCheckActive
can be used to check if
BrakeCheck
is active.
Interrupt the brake check
It is not recommended, but it is possible to stop the execution while running a
brake check.
If the brake check is interrupted, it will be resumed when the program execution
starts again. The brake check can be resumed up to 3 times.
Brake maintenance
Brake maintenance
is a feature in the brake check functionality.
The
BrakeCheck
routine automatically detects if maintenance of the mechanical
brakes is needed and activates the
Brake maintenance
functionality during
execution.
Brake maintenance
applies the brake and turns the motor shaft 1 radian
five times, which gives a movement of the robot arm of less than 1 degree.
There are event logs that tell if
Brake maintenance
is needed, and if it has been
run.
For more information see parameter
Brake Maintenance
, type
General Rapid
, topic
Controller
, in
Technical reference manual - System parameters
.
Event logs
When
BrakeCheck
is executed, the following event logs will be shown:
Title
Event log
Brake Check Done
10272
Brake Check Started
10273
If there is a problem with one or several mechanical brakes, an event log that is
describing which mechanical unit and which axis that has bad brakes will be shown:
Title
Event log
Brake Performance Warning
37234
Brake Performance Error
37235
Brake check on additional axes
To be able to run brake check on additional axes, the parameter
Max Static Arm
Torque
(in topic
Motion
and type
Brake
) needs to be calculated for the additional
axis and entered into the configuration. Brake check uses this value when testing
the brake at error-level.
The parameter should be the maximum static torque that the brake needs to
withstand when the additional axis is positioned in maximum gravity. The following
formula should be used:
Max Static Arm Torque = (M*L*g)/n
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Operating manual - OmniCore
3HAC065036-001 Revision: E
© Copyright 20192020 ABB. All rights reserved.
6 Programming and testing
6.10.7 Brake check service routine
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