Chapter 1
Introduction
1–2
Standard Drive Features The Bulletin1336 FORCE Field Oriented AC Drive is a microprocessor
controlled Digital AC Drive with the following features:
• 1 to 650 HP at 0 – 250 HZ constant torque
• Four Quadrant operation available
• High Performance Digital Velocity Loop
• Microprocessor controlled, field oriented current loop
• Simplified programming through the use of a Parameter Table that
features data entries in engineering units with English descriptions
• Nonvolatile Parameter Storage
• Extensive diagnostics, including both logic board and power
structure tests
• Time stamped nonvolatile Fault/Warning Queue
• Real Time Clock
• Reference Time Stamp
• Run Time Accumulator
• Enclosed Construction
• Multiple Communication Interfaces
• Complete Encoder Interface
• Drive to Drive Link
• SCANport
TM
Peripheral Interface
Performance Specifications
• Speed Regulation to 0.001% of top speed.
• Torque Regulation to ± 5% of rated motor torque.
• Power Loss Ride–Thru capability of two seconds.
• Flying Start: Capability of starting into a spinning motor.
• Torque Linearity 1%
• Overload Capability: 150% for 1 minute, 200% of motor rating for
10 seconds, up to inverter limit.
• Programmable Accel/Decel rates from 0 to 6553 seconds
• Current limit programmable from 200% of rated output current.
Control Specifications
• Indirect Self–Organized, Field–Oriented Control,
Current–regulated, sine coded PWM with programmable carrier
frequency.
HP Drive Rating Carrier Frequency
1–3 HP 4 kHz 1–12 kHz
7.5–30 HP 4 kHz 1–12 kHz
40–60 HP 4 kHz 1–12 kHz
75–125 HP 2 kHz 1–6 kHz
150–250 2 kHz 1–6 kHz
300–500 2 kHz 1–4 kHz
600–650 1.5 kHz 1–4 kHz
700–800 1 kHz 1–4 kHz
Refer to Derating Guidelines in the Appendix of this manual
• Output Voltage Range – 0 to rated voltage
• Output Frequency Range – 0 to 250 Hz.
• Speed Regulation with Encoder Feedback – 0.001% of Top Speed
over a 100.1 Speed Range.
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