2-6 Safety Instructions for Electric Servo Drives and Controls ECODRIVE03 SMT-02VRS
DOK-ECODR3-SMT-02VRS**-WA01-EN-P
2.7 Protection against dangerous movements
Dangerous movements can be caused by faulty control or the connected
motors. These causes are be various such as:
•
unclean or wrong wiring of cable connections
•
inappropriate or wrong operation of equipment
•
malfunction of sensors, encoders and monitoring circuits
•
defective components
•
software errors
Dangerous movements can occur immediately after equipment is
switched on or even after an unspecified time of trouble-free operation.
The monitors in the drive components make faulty operation almost
impossible. Regarding personnel safety, especially the danger of bodily
harm and property damage, this alone should not be relied upon to
ensure complete safety. Until the built-in monitors become active and
effective, it must be assumed in any case that some faulty drive
movements will occur. The extent of these faulty drive movements
depends upon the type of control and the state of operation.
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