Regular Maintenance - Eaton Rapid Link 5 Manual

2.8.10 Regular maintenance

DANGER

The STO function should always be included in a scheduled
maintenance process (at least every three months) so that the
function will be tested on a regular basis to make sure it is intact
and complete - especially after changes are made to the safety
system and after repairs are made.
During the corresponding inspection and testing, the variable frequency
drive's installation and operating environment must be checked:
• The ambient temperature must fall within the admissible range.
• The heat sink and fan must be free of dust and other foreign particles.
The fan must be able to rotate freely.
• The enclosure in which the variable frequency drive is installed must be
free of dust and condensation.
• The enclosure fan and air filter must provide the required airflow.
• Check all electrical connections:
The screw terminals must be properly tightened and the power cables
must not show any signs of heat damage.
Rapid Link 5 · RAMO5 · RASP5 05/20 MN034004EN www.eaton.com
2 Engineering
2.8 Safe Torque Off (STO)
59