Learning Advanced Features
Second motor
operation
Used to switch equipment operation by connecting two motors to
one inverter. Configure and operate the second motor using the
terminal input defined for the second motor operation.
p.177
source switch
Used to switch the power source to the motor from the inverter
output to a commercial power source, or vice versa.
p.178
Used to control the cooling fan of the inverter.
Timer settings
Set the timer value and control the On/Off state of the multi-
function output and relay.
p.188
Brake control
Used to control the On/Off operation of the load’s electronic braking
system.
p.189
Multi-function output
On/Off control
Set standard values and turn On/Off the output relays or multi-
function output terminals according to the analog input value.
p.190
prevention for press
Used during a press operation to avoid motor regeneration, by
increasing the motor operation speed.
p.191
* Draw operation is an openloop tension control. This feature allows a constant tension to be
applied to the material that is drawn by a motor-driven device, by fine-tuning the motor speed
using operation frequencies that are proportional to a ratio of the main frequency reference.
5.1 Operating with Auxiliary References
Frequency references can be configured with various calculated conditions that use the main and
auxiliary frequency references simultaneously. The main frequency reference is used as the
operating frequency, while auxiliary references are used to modify and fine-tune the main
reference.
Operation
Frq
Frequency reference
source
Freq Ref Src 0 Keypad-1 0–12 -
bA
01
Auxiliary frequency
reference source
Aux Ref Src 1 V1 0–4 -
02
reference calculation
Aux Calc Type 0 M+(G*A) 0–7 -
03
Auxiliary frequency
reference gain
Aux Ref Gain 0.0 -200.0–200.0 %
In 65– 71
Px terminal
configuration
Px Define 40 dis Aux Ref 0~54 -
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