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4.8 Protected basic configuration
Introduction
When configuring a large number of robot systems in a factory or a large production
line, it is often desired to make the signal configurations similar or identical.
If every system has different signal names and different setups, then it will be very
difficult for the operator to understand the systems.
Therefore it is possible to create a basic configuration that can be used as a
template when configuring a new system. It is also possible to protect elements
in the configuration.
The protected elements checksum
When RobotStudio saves the configuration, a separate checksum is calculated for
the protected elements. The protected elements checksum is placed in the
checksum protected part of the configuration file.
The customer can verify that the protected basic configuration is unchanged by
reading the protected elements checksum.
Only system parts of the configuration can be selected as protected. This includes
signals, combinatory logic, and stop functions. The drive module specific parts are
not possible to protect, for example zones, ranges, and speed supervision.
When the configuration is loaded into the safety controller, the protected elements
checksum is extracted and made available for the safety PLC using a RAPID
variable in the same way as the checksum of the complete safety configuration,
see
RAPID components on page 195 .
By reading the checksum from RAPID, the safety PLC can compare the checksum
with the expected checksum given from RobotStudio when the configuration was
created.
Note
There is not any automatic check of the protected elements checksum in the
robot system, this must be implemented by the customer.
Creating a protected basic configuration
Use this procedure to create a protected basic configuration:
Note/illustration Action
Create a basic configuration using Visual
SafeMove in RobotStudio. 1
Only system parts of the configuration can
be selected as protected. This includes sig-
nals, combinatory logic, and stop functions.
The drive module specific parts are not
possible to protect, for example zones,
ranges, and speed supervision. When the basic configuration is com-
pleted, open the
Protected Elements
browser from the Tools group.
2
The write-protected element are visualized
with a padlock icon in the
Visual SafeMove
browser.
Protect the elements by ticking the
checkboxes in the tree structure. 3
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110 Application manual - Functional safety and SafeMove2
3HAC052610-001 Revision: P
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4 The Visual SafeMove user interface in RobotStudio
4.8 Protected basic configuration