Requirements Of Proof Test; Figure 56. Thermistor Sto Wiring Diagram - Eaton PowerXL DG1 Installation Manual

Appendix E—STO function
The STO terminal block shall be short circuited by jumper if
user doesn't needed STO function.
If the function is used by customer, the STO terminal block
shall be connected to emergency stop switch, safety relay
or PLC, and so on.
The STO function needs to be always on, which means the
idle-current principle shall be followed by the end user.

Figure 56. Thermistor STO wiring diagram

Re quirements of proof test
Th is device must be subjected to a full test at least once
•
every 20 years.
The STO function must be verified.
•
The system response time must be verified to check
•
whether it is still ≤ 1ms.
104 POWERXL SERIES VFD MN040002EN—February 2018 www.eaton.com