Parameter Groups
‑149‑
2: Reverse run
The operation mode of the AC drive is reverse run. REV indicates reverse run. In
three‑wire mode 1 (F4‑11 = 2), activating the terminal sets the AC drive to reverse
run. In three‑wire mode 2 (F4‑11 = 3), activating the terminal sets the forward/
reverse run direction.
3: Three‑wire operation control
The AC drive operation mode is three‑wire control mode. To set the running
command through the terminal, set F4‑11 (Terminal control mode) to 2 (Three‑
wire mode 1) or 3 (three‑wire mode 2), and set this parameter to 3. The three‑wire
control modes include three‑wire mode 1 and three‑wire mode 2.
4: Forward jog (FJOG)
The terminal is used to set the AC drive to FJOG mode. In the jog mode, the AC
drive runs at low speed for a short time, which is generally used for maintenance
and commissioning of field equipment.
5: Reverse jog (RJOG)
The terminal is used to set the AC drive to RJOG mode.
6: Terminal UP
The terminal is used to increase the frequency when the frequency is set through
the terminal. When the terminal is active, the effect is equivalent to holding down
the increment key. When the terminal is inactive, the effect is equivalent to
releasing the increment key.
7: Terminal DOWN
The terminal is used to decrease the frequency when the frequency is set through
the terminal. When the terminal is active, the effect is equivalent to holding down
the decrement key. When the terminal is inactive, the effect is equivalent to
releasing the decrement key.
8: Coast to stop
Once the AC drive receives a stop command, it immediately stops output and the
load then coasts to stop based on the mechanical inertia. The AC drive stops by
stopping the output. At this time, the power supply of the motor is cut off and the
drive system is in a free braking state. Since the stop time is determined by the
inertia of the system, this is also called inertia stop.
9: Fault reset (RESET). Activating the terminal resets the AC drive upon a fault.
This function is the same as that of the STOP/RES key on the operating panel. This
function can remotely reset the AC drive upon a fault.
10: Running pause
With this function enabled, the AC drive decelerates to stop with all running
parameters memorized (such as PLC, wobble, and PID parameters). When the
terminal is inactive, the AC drive resumes its status before stop.
11: NO input of external fault
The AC drive reports Err15 upon receiving an external signal.
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