Chapter 1: Getting Started
GS1 Series AC Drive User Manual
1–6
General Specifications
Control Characteristics
Control System
Sinusoidal Pulse Width Modulation, carrier frequency 3kHz - 10kHz
Rated Output Frequency
1.0 to 400.0 Hz
Output Frequency Resolution
0.1 Hz
Overload Capacity
150% of rated current for 1 minute
Torque Characteristics
Includes auto-slip compensation and starting torque 150% @5.0Hz
DC Braking
Operation frequency 60Hz, 0-30% rated voltage. Start time 0.0-
5.0 seconds. Stop time 0.0 to 25.0 seconds
Acceleration/Deceleration Time
0.1 to 600 seconds (can be set individually)
Voltage/Frequency Pattern
V/F pattern adjustable. Settings available for Constant Torque -
low and high starting torque, Variable Torque - low and high
starting torque, and user configured
Stall Prevention Level
20 to 200% or rated current
Operation Specification
Inputs
Frequency
Setting
Keypad Setting by <UP> or <DOWN> buttons or potentiometer
External Signal
Potentiometer - 5k⏲ 0.5W, 0 to 10VDC (input impedance
100k⏲), 4 to 20 mA (input impedance 250⏲), Multi-function
inputs 3 and 4 (3 steps, JOG, UP/DOWN command), RS485
communication setting
Operation
Setting
Keypad Setting by <RUN>, <STOP> buttons
External Signal
DI1, DI2, DI3, DI4 can be combined to offer various modes of
operation, RS485 communication port
Multi-Function Input Signal
Multi-speed selection 0 to 3, Jog, Accel/decel inhibit, First/second
accel/decel switch, External base block (N.C., N.O.) selection
Outputs
Multi-Function Output Signal
AC drive operating, Frequency attained, Non zero speed, Base
Block, Fault indication
Operating Functions
Automatic voltage regulation, S-curve, Over-voltage stall
prevention, DC braking, Fault records, Adjustable carried
frequency, Starting frequency setting of DC braking, Over-current
stall prevention, Momentary power loss restart, Reverse
inhibition, Frequency limits, Parameter lock/reset
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