5-33
Switch Normal/Inverse operation--(IVS)
(Function code data = 21)
㩷
Turning the (IVS) command on/off switches the output frequency control between
normal (proportional to the set frequency components) and inverse operation for the
PID process or manually set frequencies. To select the inverse operation, turn the
(IVS) command on.
When the PID control is enabled, turning the (IVS) command on inverts the PID
process control selected by function code J01. For example, if the PID process
control is normal, turning it on switches it to inverse, or vice versa.
Select link operation--(LE)
(Function code data = 24)
㩷
Turning on the (LE) command selects link operation. The inverter will run the motor
with the frequency command or drive command given via the RS485 communica-
tions facility defined by function code H30.
If the (LE) command is not assigned to any terminal, the inverter will interpret (LE)
as being always on.
Reset PID integral and differential components--(PID-RST)
(Function code data = 33)
㩷
Turning on the (PID-RST) command resets the PID integral and differential com-
ponents.
Hold PID integral component--(PID-HLD)
(Function code data = 34)
㩷
Turning on the (PID-HLD) command holds the current inverter output voltage con-
stant by suppressing an increase of PID integral component.
Run forward--(FWD)
(Function code E98/E99 data = 98)
㩷
If the (FWD) command is turned on, the inverter runs the motor forward; if off, it
decelerates the motor to a stop.
Run reverse--(REV)
(Function code E98/E99 data = 99)
㩷
If the (REV) is turned on, the inverter runs the motor in reverse; if off, it decelerates
the motor to a stop.
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