AS1 Standard Specifications
Model Range
0.5 to 100 HP
1 to 800 HP
2 to 10 HP
2 to 700 HP
Voltage Rating
200 to 240 V
380 to 460 V
500 to 600 V
500 to 690 V
Input Tolerance
Voltage: ±10%, Frequency: ±5%
Current Overload
100% Continuous, 150% for 60 Seconds, 165% for 2 Seconds
DC Reactor 200 V Input Class, 15 to 60 HP and 400 V Input Class, 25 to 100 HP: Built-In DC Link Reactor; Reactors Required on Larger Units, Optional on Smaller Units (HP)
Dynamic Braking Dynamic Braking Resistor Included on Units < 300 HP; Transistor for Larger Units/Resistor Sold Seperately
Control System Sinusoidal Pulse Width Modulation (PWM) Control
Output Frequency Range 0 to 500 Hz
Frequency Accuracy Analog Input: ±0.2% of Maximum Output Frequency (at 25 ±10°C); Digital Input: ±0.01% (±0.022 Hz) of Output Frequency
Voltage/Frequency Characteristics Constant Torque, Square Reduction Torque, Auto-Torque Boost, Sensorless and PG Feedback Vector Control, etc.
Jump frequencies Three user programmable, critical avoidance frequencies with adjustable bandwidth.
PID Control Adjustment of Proportional Gain, Integral Time, Differential Time, and Delay Filter
Torque Control Control of Output Motor Torque via Set Point from 0 to 10 V Analog Input
PWM Carrier Frequency Adjustment 200 V, 45 kW or 400 V, 75 kW or less, Adjustable Between 1.0 to 16 kHz;
200 V, 55 kW or 400 V, 90 kW or more, Adjustable Between 2.5 to 8 kHz
Analog Inputs 0 to 10 Vdc (Input Impedance Zin: 30 k Ohm), 0 to ±10 Vdc (Zin: 22 k Ohm), 4 to 20 mAdc (Zin: 242 Ohm)
Analog Outputs FM Terminal: 0 to 1 mA, 0 to 20 mA, 0 to 10 V: AM Terminal: 0 to 1 mA, Each Programmable to Any of 65 Functions
Digital Inputs 8 Digital Inputs, Each Programmable to 67 Functions, Normally Open or Normally Closed
Digital Outputs One Form-C Relay (FM) Output (250 Vac, 2 A or 30 Vdc,1 A); Two Open Collector Outputs (24 Vdc, 5 mA)
Acceleration/Deceleration Time 0.01 to 6000 Seconds; Four Selectable or Automatic Acceleration/Deceleration Times; Two Adjustable S-Pattern Acceleration/Decelerations
DC Braking Adjustment of DC Braking Start Frequency (0 to 120 Hz), Braking (0 to 100%), and Braking Time (0 to 20 Seconds); Includes Emergency Stop Braking and Motor Shaft Fix Control Functions
Forward Run/Reverse Run F-CC Closed will Forward Run, R-CC Closed will Reverse Run, F-CC and R-CC Closed will Reverse Run; ST-CC Opened will Coast Stop; Emergency Stop Using Panel Operation or Terminal Board
Jog Run Jog Mode Allows Jog Operation from Operation Panel;
Jog Run Operation by Terminal Board Possible by Setting Parameters
Preset Speed Operation 15 Preset Speeds Available by Switch Input; Programmable Accel/Decel Time; Torque Limit and V/F
Retry Capable of Restarting After Checking Main Circuit Elements in the Event of a Fault; Up to 10 Retries with Adjustable Delay (of up to 10 Seconds) Between Each Retry
Soft Stall Automatic Load Reduction Control in the Event of Overload Condition (Default: OFF)
Cooling Fan ON/OFF Cooling Fan Stops Automatically When Not Needed
Operation Panel Key Operation
On/Off Control		 Keypad Lockout Selectable Between STOP Key Only, MODE Key Only, etc.; All Key Operations can be Prohibited
Regen Power Ride Through In case of a momentary power failure, the VFD can use regen energy to stay powered. (Default: OFF)
Auto-Restart Operation AS1 can catch a spinning motor and safely bring it to speed without faulting. (Default: OFF)
Simplified Pattern Operation Selectabe: Eight Patterns in Two Groups from 15 Speed Operations; Maximum 16 Types of Operations Possible; Terminal Board Operation/Repeat Operation Possible
Commercial Inverter Switching Possible to Switch Operation Using Commercial Power Source or Inverter
Light Load, High-Speed Operation Increases Efficiency of Certain Machines by Increasing Rotational Speed of Motor when Operated with Light Load
Drooping Function When Two or More Inverters Operate a Single Load, Drooping Function Helps Evenly Share Load
Override Function Allows User to Add to the Primary Frequency Command. (E.G. Trim input)
My Function Operation My Function provides digital logic and comparator operations as well as timers, counters, and other control functions to provide advanced control operations directly on the VFD (similar to a micro PLC).
Color RAL7016 (Charcoal Gray)
Environment Indoor Use, Non-Corrosive/Non-Combustible Environment; Altitude: 3000 Meters or Less (Derating Necessary for Elevations Over 1000 Meters); Keep Out of Direct Sunlight
Ambient Temperature -10 to +60°C; Remove Upper Cover if 40°C or Higher, Maximim 60°C with De-Rate)
Storage Temperature -25 to +70°C
Relative Humidity 20 to 93% (Free from Condensation)
Vibration 5.9 m/s2{0.6 G} or Less (10 to 55 Hz)