Function Application
‑544‑
Value
Function
Detailed Description
3
Three‑wire operation
control
The AC drive runs in 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 jog mode, the AC drive runs at low speed for a short
time, which is typically 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. If the
terminal is active, the effect is equivalent to holding
down the
key. If the terminal is inactive, the
effect is equivalent to releasing the
key.
7
Terminal DOWN The terminal is used to decrease the frequency when
the frequency is set through the terminal. If the
terminal is active, the effect is equivalent to holding
down the
key. If the terminal is inactive, the
effect is equivalent to releasing the
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. When the AC
drive stops output, the motor is powered off, and the
system enters free braking. Since the stop time is
determined by the inertia of the system, this is also
called inertia stop.
9
Fault reset (RESET) The terminal is used to reset a faulty AC drive. The
terminal has the same function as that of the STOP/
RES key on the operating panel. This function can
remotely reset the AC drive upon a fault.
10 RUN pause
When the terminal is active with this function, the AC
drive decelerates to stop, and the settings of all the
running parameters, such as the PLC, wobble, and PID
parameters, are saved. When the terminal is inactive,
the AC drive resumes its running state as recorded.
11
Normally open (NO)
input of external
fault
When the terminal is active, the AC drive reports the
Err15 alarm upon receiving an external signal.
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