Technical specifications, Service conditions, Environmental conditions – Rockwell Automation Liqui-Flo V2.0 AC Drive User Manual

Page 233: Appendix a, Service conditions environmental conditions, Appendix

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Rockwell Automation Publication D2-3518-3 - May 2013

233

Appendix

A

Technical Specifications

Service Conditions

Environmental Conditions

AC Line Distribution System Capacity (maximum) for 480V AC Units

Symmetrical fault current capacity: 85,000 A
Short circuit rating if a circuit breaker is used instead of fuses: 65,000 A (optional 100,000 A)

Control Method

Sinusoidal pulse-width-modulated (PWM)

Displacement Power Factor

0.99

Line Frequency

50/60 Hz (

±

2 Hz)

Line Voltage Variation

-10...10%

Motor Lead Lengths

76 m (250 ft) total

Remote Operator Control Wire Length

Up to 1 m (3 ft) from the drive

Analog Speed Reference Resolution

1/4096 (12 bits) 0.025%

Acceleration Adjustment Range

0.1...100.0 seconds (within the ability of current)

Carrier Frequency

2 kHz, 3 kHz, or 4 kHz (software-selectable)

Current Limit Adjustment

25...150% of drive rated amps

Service Factor

1.0

Speed Adjustable Range

From 0 Hz to maximum speed

Speed Regulation

Motor slip dependent

Speed Reference Resolution

0.01 with OIM,

±

32767

counts with a network reference

Assembly Max Air Heat Load
(Heat Dissipated Into Surrounding Air, approx)

LF2 480V AC Input, 405 A output = approx 1800 W
LF2 480V AC Input, 608 A output = approx 2700 W
LF2 480V AC Input, 900 A output = approx 4000 W
LF2 480V AC Input, 1215 A output = approx 5300 W

Max Input Voltage Imbalance

Service factor = 1.0

Condition

Specification

Operating Temperature (inside NEMA/UL Type 1 enclosure)

0...+55 °C (32...131 °F)

Operating Temperature (outside NEMA/UL Type 1 enclosure)

0

...

40

°

C

(

32

...

104

°

F

)

Storage Temperature (ambient)

40

...

65

°

C

(−

40

...

149

°

F

)

Humidity

5...95% (non-condensing)

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