4-3 Functions When Multi-function Feedback Option Board (3G3AX-PG01) Is Used Forward/Reverse Run Stop Function (FOT/ROT) •With a signal from the control range limit switch, this function prevents the Inverter from running outside the specified operation range. •The torque limit is set to 10% on the forward side when the FOT terminal is turned on, and on the reverse side when the ROT terminal is turned on. •This function can be used as the limit switch at the machine end. To do so, allocate "71" (FOT) and "72" (ROT) to any of multi-function inputs 1 to 8 (C001 to C008).
Position Range Setting Function •Set a forward/reverse position control range in position range setting (forward) P072 and position range setting (reverse) P073. If the current position counter exceeds the setting range, a position control range trip (E63.* or E73.*) occurs, and the Inverter goes into free-run status. •The upper limit setting of multi-step position commands 0 to 7 (P060 to P067) is limited by this control range setting. (You cannot set a position command beyond the position range.) 4 Functions Teaching Function •This function starts or stops the motor at a desired position and stores the current position as a position command in a desired position command area.
•Allocate "45" (ORT) to any of multi-function inputs 1 to 8 (C001 to C008). When V2 mode selection P012 is set to "02" (absolute position control) or "03" (high-resolution absolute position control), the relevant terminal serves as a teaching terminal. (1) In teaching selection P074, select the position command you want to set. (2) Move the workpiece. • Input the RUN command with the ORT terminal turned on. At this time, the speed command and acceleration/deceleration time conform to the currently selected parameters. ORT terminal ON RUN command ON Output frequency Depends on the speed command selected. Position * If the Inverter control circuit (Ro, To) is turned on, teaching is enabled.
The current position counter operates even if the workpiece is moved by an external device. Teaching is therefore enabled even while the Inverter is stopped. Note: Make sure that the power supplies (R, S, T) for the Inverter power circuit are shut off or that the Inverter's outputs (U, V, W) are disconnected from the motor. Not doing so may result in injury and/or damage to the equipment. (3) When the target position is reached, press the Enter key on the Digital Operator. Press the key on the data display screen (the PRG LED indicator is lit). 4-132 Related functions C001 to C008, P012, P074