ACS 502 Installation & Start-up Manual A-1
Appendix A – ACS 502/504 Technical Data
Input Power
Voltage: 440/460/480/500 VAC ± 10% for 480 VAC units
380/400/415 VAC ± 10% for 380 VAC units
Frequency: 48 – 63 Hz
Displacement Power Factor: > 0.98
Line Imbalance: ± 3% of V
R
Output Power
Vo lt ag e: 0 – V
N
, three-phase (full voltage at field weakening point)
Frequency: 0 – 120 Hz
Frequency Resolution: 0.01 Hz
Continuous Current (constant torque): 1.0 x I
R
Continuous Current (variable torque): 1.0 x I
RSQ
Maximum Current (1 min/every 10 min): 1.5 x I
R
Short Time Overload (2 sec/every 1 min): 2.0 x I
R
Overcurrent Trip: 3.75 x I
N
instantaneous, 2.65 x I
N
(RMS)
Field Weakening Point: 30 – 180 Hz
Continuous Loadability of Motor: 100% at rated speed (for F class motor)
Modulation Frequency: 3 kHz
Analog Inputs
Two programmable analog inputs.
Current Reference: 0 – 20 mA, R
I
= 250 ohms
• Minimum: 0 mA / 4 mA / 0 – 20 mA
• Maximum: 0 – 20 mA
Voltage Reference: 0 - 10 V, R
I
= 200K ohms
• Minimum: 0 V / 2 V / 0 – 10 V
• Maximum: 0 – 10 V
Potentiometer: 1K – 10K ohms
Potentiometer Reference Voltage: 10 V, 10 mA
Resolution: AI1 = 10 Bit; AI2 = 12 Bit
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