A: 1. The local of GD5000 refers to the HMI control start, and the others are remote. 
2. GD5000 has a level 2 option to control remote in-place start ①Function code P0.01; ② Remote in-place knob of the man-machine interface of the control cabinet Local start logic: P0.01=1 (local command channel), the knob does not work Remote start logic: P0.01=remote communication command (terminal, communication, etc.), the knob is local=HMI start, the knob is remote=remote communication control 
3. The shutdown of VFD is not controlled by the communication instruction. For GD5000 in the operating state, any shutdown command sent by the instruction is accepted and executed.