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11.2 Selection of regenerative resistor
11-8
1
1
Selection
11.2.3 Selection of regenerative resistor
Judge whether an internal regenerative resistor can be used from the calculation result.
Moreover, when you cannot use it, determine the capacity of an external regeneration resistor.
■
Allowable power of an internal regenerative resistor
If the value of the regeneration effective power "PM" by the calculation result is below the
value of [PRI] of the following table, an internal regenerative resistor can be used. Please use
an external regenerative resistor at excepting conditions below.
■
Allowable power of an external regenerative resistor
When regeneration effective power "PM" becomes more than the allowable power of the
amplifier internal regenerative resistor, the optional external regenerative resistor which is
shown at "11.2.4" can be connected and operated. Allowable regenerative power and
minimum resistance value of regenerative resistor are shown in below table.
* When regeneration effective power PM exceeds the maximum permitted power (PRO) of the
external regeneration resistor, reconsider the acceleration constant, load inertia, etc.
Servo amplifier
model number
Allowable regeneration
resistance power to be
used with an internal
regenerative resistor [PRI]
Instantaneous
capacity
Resistance
value
RS3#01A##A#
Less than 5W
408J
50
Ω
RS3#02A##A#
Less than 5W
408J
50
Ω
RS3#03A##A#
Less than 5W
408J
50
Ω
RS3A05A##A#
Less than 20W
743J
17
Ω
RS3A07A##A#
Less than 60W
2300J
10
Ω
RS3A10A##A#
Less than 90W
4400J
10
Ω
RS3A15A##A#
Less than 120W
6400J
6
Ω
Servo amplifier
model number
Allowable regeneration resistance
power to be used by an external
regenerative resistor [PR0]
Allowable minimum
resistance value of external
regenerative resistor
RS3#01A##L#
Less than 125W
35
Ω
RS3#02A##L#
Less than 125W
35
Ω
RS3#03A##L#
Less than 125W
35
Ω
RS3A05A##L#
Less than 250W
17
Ω
RS3A07A##L#
Less than 500W
10
Ω
RS3A10A##L#
Less than 500W
10
Ω
RS3A15A##L#
Less than 500W
6
Ω
RS3A30A##L#
Less than 500W
2.5
Ω
Summary of Contents for Sanmotion R 3E S
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