Delta VFD300C43S-HS User Manual page 810

Chapter 17 Safe Torque Off Function C2000-HS
17-3-3 The control loop wiring diagram:
1. Remove the shot-circuit of +24V-STO1-STO2 and DCM-SCM1-SCM2.
2. The wiring as below diagram. The ESTOP switch must at Close status in normal situation and drive
will be able to Run.
3. STO mode, switch ESTOP open. Drive output stop and keypad display STO.
17-4