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Fuji Electric FRENIC MEGA G2 Series - Page 885

Fuji Electric FRENIC MEGA G2 Series
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12.3 Common Specifications
12-19
SPECIFICATIONS
Chap 12
Item
Explanation
Remarks
Control
Mechanical brake
control
∙ The control signal release and input timing can be adjusted with output
current and torque commands, output frequency, and a timer.
∙ The timing of control signals can be adjusted individually when
performing forward rotation (hoisting) and reverse rotation (lowering).
∙ Errors are detected with mechanical brake operation check input signals.
Torque control
Analog torque command input
∙ Speed limit function is provided to prevent the motor from becoming out
of control.
∙ Torque bias (with analog setting, digital setting) possible
Rotation direction
limitation
Select either of reverse or forward rotation prevention.
Motor
condensation
prevention
Current flows automatically when the motor is stopped, and the motor
temperature is raised to prevent condensation.
Customizable
logic interface
It is 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. (Max. 260 steps)
Battery operation
Inverters at which an undervoltage has occurred are run with the battery
power.
FRN0008G2S-2G to FRN0180G2S-2G (200V class), FRN0004G2-4G
to FRN0150G2-4G (400V class)
Overload stop
function
This is used for raising and lowering applications, and when raising, the
motor stops when the inverter detects an overload. After stopping,
operation is possible only in the lowering direction.
Light load stop
function
If the load is lighter than the load level set beforehand, the motor can be
run at the maximum permissible frequency (e.g., vertical conveyors,
conveyors) based on the frequency/load multiplied by the specified ratio
relative to the set frequency.
Position control
Absolute positioning/relative positioning using a pulse encoder is
possible.
∙ The stop target position can be set with a function code (8 points) or by
communication in the unit system (using electronic gear) preferred by the
user.
∙ Homing, preset, clear function, teaching function
∙ Position regulator (APR), position feed forward function
∙ The movable range can be set with the overtravel detection/stop function.
Orientation
function
This function makes it possible for rotors such as the machine tool spindle
or turntable to be positioned.
The stop target position can be set with a function code (8 points).
Favorites
Function codes
Function codes can be registered in "Favorites" and displayed.
(Applicable to: all function codes)
Data initialization
All function codes and limited function codes can be initialized. (for each
motor, other than communication related items, customizable logic only,
favorites only)
Simulated
operation mode
A sequence check can be carried out without inverter output.
Start check
function
To ensure safety, a check for the existence of run commands when turning
the power ON, when resetting alarms, and when changing the run
command method is performed, and an alarm is displayed if a run
command has been input.
Multifunction
button
The M/SHIFT button function when in running mode can be changed on
standard keypads (TP-E2), allowing it to be used as means of input for
functions such as the X terminal function.

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