Yaskawa SmartTrac AC1 - Manual (Page 73)

SMART TRAC AC1
Technical Manual TM 3554-000 Appendix B – Detailed Specifications
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8-3
Appendix B – Detailed
Specifications
AC1 Specifications
NOTE: The specifications listed in the table below may vary according to the
parameters programmed into your Smart Trac AC1 and the option cards
installed. Check the specifications supplied in the manual for each option card.
Detailed Specifications
Specification Category Description Specification
Control
Methods V/f , V/f with PG feedback, open loop vector, or flux
vector
Frequency/Spe
ed Control
Range 100:1 (including at stall) (1000:1 possible with PG)
Frequency
Control Range 0.1 to 400 Hz
Speed Control
Accuracy +/- 0.2% (+/- 0.02% with PG)
Starting Torque 150%/1 Hz (150% / 0 RPM with PG
Output
Frequency
Resolution 0.01 Hz
Auto Speed
Reference
Signal +/- 10 VDC (20K ohms), or 4-20mA (250 ohms)
Torque Limit 4 types available
Control Characteristics
Braking Torque Approximately 20%
Motor Overload
Protection Electronic thermal overload relay
Protective Functions
Instantaneous
Overcurrent Motor coasts to a stop at approximately 200% rated
current