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Pn016
Regeneration Resistor Selection
Setting
0 to 3
range
*1 It is 0 for a Drive with 100 V and 400 W, with 200 V and 750 W or greater, or with 400 V.
The setting is different whether the Regeneration Resistor built in the Drive is directly used, or it is
removed and replaced by an external regeneration resistor. In the latter case, the Resistor is
connected to the external regeneration resistor connection terminal.
Explanation of Set Values
Set
value
Regeneration Resistor used: Built-in Resistor
0
The regeneration processing circuit operates and the regeneration overload (Alarm No.18) is
enabled according to the Built-in Resistor (with approx. 1% duty).
Regeneration Resistor used: External Resistor
1
The regeneration processing circuit operates, and regeneration overload (Alarm No.18)
causes a trip when the operating rate of the Regeneration Resistor exceeds 10%.
Regeneration Resistor used: External Resistor
2
The regeneration processing circuit operates, but regeneration overload (Alarm No.18) does
not occur.
Regeneration Resistor used: None
3
The regeneration processing circuit and regeneration overload (Alarm No.18) do not operate,
and all regenerative energy is processed by the built-in capacitor.
Precautions for Correct Use
Do not touch the External Regeneration Resistor. A burn injury may result.
Always provide a temperature fuse or other protective measure when using an External
Regeneration Resistor. Regardless of whether the regeneration overload is enabled or disabled,
the Regeneration Resistor can generate heat and may cause burning.
To use the Built-in Regeneration Resistor, always set this parameter to 0.
Pn017
External Regeneration Resistor Setting
Setting
0 to 4
range
Select the method to calculate the regeneration resistance load ratio, when the External Resistor
is selected on the Regeneration Resistor Selection (Pn016 1 or 2).
Explanation of Set Values
Set
value
0
Regeneration load ratio is 100% when operating rate of the External Regeneration Resistor is 10%.
1
Reserved
2
Reserved
3
Reserved
4
Reserved
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Unit
Description
Unit
Description
8-1 Basic Parameters
Default
Data
*1
3
setting
attribute
Default
Data
0
setting
attribute
All
C
8
All
C
8-6
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