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