1–9
General Specifications
Control Characteristics
Control System
Pulse Width Modulation, Carrier frequency 1-15 kHz, adjustable,
depending on the model. This system determines the control methods
of the AC drive.
00: V/Hz open loop control, 01: V/Hz closed loop control,
02: Sensorless Vector 03: Sensorless Vector with external feedback
Rated Output Frequency
0.1 to 400.0 Hz
Output Frequency Resolution
0.1 Hz
Overload Capacity
150% of rated current for 1 minute
Torque Characteristics
Includes auto-torque boost, auto-slip compensation,
starting torque 125% @ 0.5 Hz / 150% @ 1.0 Hz
Braking Torque
20% without dynamic braking, 125% with optional braking resistor
(braking circuit built-in only for units under 20 hp)
DC Braking
Operation frequency 60-0 Hz, 0 - 100% rated current,
Start time 0.0 - 5.0 seconds, Stop time 0.0 - 25.0 seconds
Acceleration/Deceleration Time
0.1 to 600 seconds (linear or non-linear acceleration/deceleration), second
acceleration/deceleration available
Voltage/Frequency Pattern
Settings available for Constant Torque - low & high starting torque,
Variable Torque - low & high starting torque, and user configured
Stall Prevention Level
20 to 200% of rated current
Operation Specification
Inputs
Frequency
Setting
Keypad Setting by <UP> or <DOWN> buttons
External
Signal
Potentiometer - 3-5 k, 0 to 10 VDC (input impedance 10 k),
0 to 20 mA / 4 to 20 mA (input impedance 250).
Multi-Speed Inputs 1 to 4, RS-232C/RS-485 communication interface
Operation
Setting
Keypad Setting by <RUN>, <STOP>, <JOG> buttons
External
Signal
Forward/Stop, Reverse/Stop (run/stop, fwd/rev), 3-wire control,
Serial Communication RS-232C & RS-485 (Modbus RTU)
Input
Terminals
Digital
Sink/Source
Selectable
11 user-programmable: FWD/STOP, REV/STOP, RUN/STOP,
REV/FWD, RUN momentary (N.O.), STOP momentary (N.C.),
External Fault (N.O./N.C.), External Reset, Multi-Speed Bit (1-4),
Manual Keyboard Control, Jog, External Base Block (N.O./N.C.),
Second Accel/Decel Time, Speed Hold, Increase Speed, Decrease
Speed, Reset Speed to Zero, PID Disable (N.O.), PID Disable (N.C.),
Input Disable
Analog
3 user-configurable, 0 to 10 VDC (input impedance 10 k),
0 to 20mA / 4 to 20mA (input impedance 250), 10 bit resolution
-10V to +10V, 10 bit resolution
Outputs
Output
Terminals
Digital
3 transistors
1 relay
4 user-programmable: Inverter Running, Inverter Fault, At Speed, Zero
Speed, Above Desired Frequency, Below Desired Frequency, At
Maximum Speed, Over Torque Detected, Above Desired Current,
Below Desired Current, PID Deviation Alarm, Heatsink Overheat
Warning (OH), Soft Braking Signal, Above desired Frequency 2,
Below desired Frequency 2, Encoder Loss
Analog
1 user-programmable, 0 to 10 VDC, 8 bit resolution frequency,
current, process variable PV
Operating Functions
Automatic voltage regulation, voltage/frequency characteristics
selection, non-linear acceleration/deceleration, upper and lower
frequency limiters, 15-stage speed operation, adjustable carrier
frequency (1 to 15 kHz), PID control, 5 skip frequencies, analog gain
& bias adjustment, jog, electronic thermal relay, automatic torque
boost, trip history, software protection
Chapter 1: Getting Started
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013
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