EM630/TC6A Closed-Loop Vector Hoist Inverter User Manual 1.2 EM630 Operation Status 1.2.1 Operating Status of the Inverter EM630 inverter operating statuses: parameter setting status, normal running status, JOG running status, autotuning status, stop status, JOG stop status and fault status. Parameter setting status: After it is powered on and initialized and is standby without a fault or a start-up command, the inverter has no output. Normal running status: Having received an active start command through keypad, control terminal or communication, the inverter drives the motor as per the setting input. JOG running status:
Drives the motor at JOG input speed through setting of keypad, external terminal or communication. Autotuning status: set through keypad to autotune the parameters of the motor in stationary or rotational autotuning. Stop status: When the running command is inactive, the output frequency drops to zero as per the set deceleration time. JOG stop status: When the JOG running command is inactive, the output frequency drops to zero as per the JOG deceleration time. Fault status: status of the inverter under protection, and all kinds of faults and failures.
1.2.2 Control Modes of the Inverter The control modes of the inverter refer to what kind of open loop or closed loop method is adopted to drive the motor at desired speed or torque. These modes include: General open loop space vector control – V/F control: suitable for occasions of low speed change and low speed stability accuracy and meet the needs of most AC motor drives. Feedback Vector Control — FVC control: speed and current are under real-time closed-loop control with high stability speed accuracy and high dynamic response. An encoder must be added under this control mode.
1.2.3 Setting Modes of the Inverter The setting mode of the inverter refers to what kind of physical quantity is taken as the control object when the inverter drives the motor. Speed setting mode: the motor speed is taken as the control object; 13