WEG CFW-11 User Manual page 55

Installation and Connection
ATTENTION!
In case of a multiple fault in the power stage of the inverter, the motor shaft can rotate up to 360/
(number of poles) degrees even with the activation of Safety Stop function. That must be considered
in the application.
NOTE!
Inverter Safety Stop function is only one component of the safety control system of a machine and/or
process. When inverter a nd its Safety Stop function is correctly used and with other safety
components, it's possible to fulfill the requirements of standard ISO 13849-1, Category 3 (machine
safety) and IEC/EN 61508, SIL2 (safety control/signaling applied to processes and systems).
3
3-36 | CFW-11