Programming 131
L8 Hardware Protection
L8-01 Internal Dynamic Braking Resistor Protection Selection
This parameter selects the dynamic braking resistor protection only when using the 3% duty cycle heatsink mount Yaskawa
braking resistor. This parameter does not enable or disable the general dynamic braking function of the Drive. Do not adjust
this parameter when using any other braking resistors.
Fig. 96 Heat Sink Mount Resistor
L8-02 Overheat Pre-Alarm Level
Setting Range: 50 to 130
o
C
Factory Default: 95
o
C
L8-03 Overheat Pre-Alarm Operation Selection
The Drive is capable of warning the operator of an impending heatsink over-temperature fault via an OH pre-alarm. The level
at which the pre-alarm will activate is determined by the setting of parameter L8-02. Measurement of the heatsink temperature
Setting Description
0 Not Provided (factory default)
1 Provided
Setting Description
0 Ramp to Stop (Decel Time C1-02)
1 Coast to Stop
2 Fast-Stop (Decel Time C1-09)
3 Alarm Only (factory default)
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