Item Explanation Remarks
Control
Universal DI
Transfers the status of an external digital signal connected with the general-purpose
digital input terminal to the host controller.
Universal DO
Outputs a digital command signal sent from the host controller to the general-purpose
digital output terminal.
Universal AO
Outputs an analog command signal sent from the host controller to the analog output
terminal.
Speed control
• Notch filter for vibration control
• Selectable among the four set of the auto speed regulator (ASR) parameters.
(a PG option card is required.)
IMPG-VC
PM-SVC
Line speed control
In a machine such as winder/unwinder, regulates the motor speed to keep the
peripheral speed of the spool constant. (a PG option card is required.)
IMPG-VF
Positioning control
with pulse counter
The positioning control starts from the preset start point and counts the feedback
pulses by means of PG card installed in the inverter.
The motor can be automatically started decelerating to the creep speed at which the
target position can be detected, so that the motor can stop near the position (a PG
option card is required).
Excluded
IMPG-VC
PM-SVC
Master-follower
operation
Enables synchronous operation of two motors equipped with a pulse generator (PG).
(a PG option card is required.)
Pre-excitation
Excitation is carried out to create the motor flux before starting the motor. (a PG option
card is required.)
IMPG-VC
Zero speed control
The motor speed is held to zero by forcibly zeroing the speed command. (a PG option
card is required.)
IMPG-VC
Servo lock
Stops the motor and holds the motor in the stopped position.(a PG option card is
required.)
IMPG-VC
DC braking
Applies DC current to the motor at the operation start time or at the time of inverter
stop to generate braking torque.
Mechanical brake
control
• Possible to output mechanical brake control signals with the brake ON/OFF timing
adjusted by the output current, torque command, output frequency and timer.
• Mechanical brake application check input.
Torque control
• Analog torque/torque current command input
• Speed limit function is provided to prevent the motor from becoming out of control.
• Torque bias (analog setting, digital setting)
(The PG option card is required.)
IMPG-VC
Rotation direction
control
Select either of reverse or forward rotation prevention.
Customizable logic
interface
Possible to select or connect digital logic circuits or analog operation circuits with
digital/analog I/O signals, configure a simple relay sequence, and operate it freely.
• Logic circuits:
(Digital) AND, OR, XOR, flip-flop, detection of rising and falling edges, various
counters.
(Analog) Addition, subtraction, multiplication, division, limiters, absolute values,
sign inversion addition, comparison, maximum value selection, minimum value
selection, average values, scale conversion.
• Multifunction time: On-delay timer, off-delay timer, pulse train output, etc.
Setting range: 0.0 to 9990 s
• Input/output signals: Terminal input/output, inverter control functions
• Others: Available in 200 steps configured with 2 inputs and 1 output per step.
Functions for
wiredrawing
machines, hoists, and
spinning frames
Customizable logic function enables dedicated functions for each application.
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