Yaskawa SmartTrac AC1 - Manual (Page 74)

SMART TRAC AC1
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Appendix B – Detailed Specifications Technical Manual TM 3554-000
Detailed Specifications
Specification Category Description Specification
Fuse Blown
Protection Motor coasts to a stop when fuse blows
Overload Motor coasts to a stop after 60 seconds at 150% of
rated output
Overvoltage Motor coasts to a stop if Smart Trac AC1 DC bus
voltage exceeds 400 VDC (230V unit), 800 VDC (460V
unit), or 1050 VDC (600V unit).
Undervoltage Motor coasts to a stop if Smart Trac AC1 DC bus
voltage exceeds 400 VDC (230V unit), 800 VDC (460V
unit), or 1050 VDC (600V unit).
Momentary
Power Failure Factory setting provides for motor to coast to a stop
after momentary power failure of more than 15 ms. Can
be reprogrammed to allow continuous operation (ride-
through) during power failure of up to 2 seconds or
longer.
Heatsink
Overheat Thermistor
Stall Prevention Stall prevention at acceleration/deceleration and
constant speed operation.
Ground Fault Provided by electrical circuit.
Power Charge
Indication "CHARGE" lamp remains lit until bus voltage drops
below 50 V.