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Safety Technology
14.1.2 Comparison with Conventional Safety Technology
A drive and control system with integrated safety technology differs from sys-
tems with conventional safety technology by the fact that the safety functions
are directly integrated in the intelligent drives in the form hardware and soft-
ware. This increases the functionality in all operation modes with a maximum of
safety (short reaction times).
The power contactor between controller and motor required for the convention-
al safety technology is not included in drive and control systems with the inte-
grated safety technology.
The integrated safety technology is not intended to replace conven-
tional safety equipment, such as EMERGENCY STOP monitoring devi-
ces and safety door monitors.
Using the integrated safety technology increases the available personnel and ma-
chine safety, because the total reaction time of the system in the case of an
error event, for example, is considerably reduced with regard to comparable sys-
tems with conventional safety technology. The safety signals are transmitted
with conventional wiring.
Integrated safety technology is characterized by the following features:
Complies with valid standards
●
Increased system performance
●
Reduced system costs
●
Easy understanding of complex subjects
●
Improved diagnostics
●
Simplified certification
●
Easy commissioning
●
Independent of control units
●
Bosch Rexroth AG R912005854_Edition 09
Rexroth Frequency Converter EFC x610
Series
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