STO (Safe Torque Off) connectors provide the dual-channel safety input for disabling drive output without removing power from the drive, meeting IEC 61800-5-2 SIL2/PLd safety requirements for machine guarding.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | STO1+ | Safe torque off channel 1 positive 24V | PWR |
| 2 | STO1- | STO channel 1 negative | GND |
| 3 | STO2+ | Safe torque off channel 2 positive 24V | PWR |
| 4 | STO2- | STO channel 2 negative | GND |
| 5 | STOA | STO feedback output A | I/O |
| 6 | STOB | STO feedback output B | I/O |
STO (Safe Torque Off) connectors provide the dual-channel safety input for disabling drive output without removing power from the drive, meeting IEC 61800-5-2 SIL2/PLd safety requirements for machine guarding.