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VS1SP Washdown Inverter Drive


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   Tech Specs   Dimension Drawing   VS Accessories   Application Notes
Current Ratings
Catalog Number   Input Volt   Size
VS1SP27-4B   180-264   AA
 Standard 2.5 kHz PWM
Constant Torque (Heavy Duty)
     Input Amp:  22
     HP: 7 1/2
     KW: 5.60
     IC:  22
     IP:  38.50
Variable Torque (Normal Duty)
     Input Amp: 22
     HP: 7 1/2
     KW: 5.60
     IC: 22
     IP: 32.20
 Quiet 8.0 kHz PWM
Constant Torque (Heavy Duty)
     Input Amp:  15.2
     HP: 5
     KW: 3.7
     IC:  15.2
     IP:  26.6
Variable Torque (Normal Duty)
     Input Amp: 22
     HP: 7 1/2
     KW: 5.6
     IC: 22
     IP: 25.3
Frequency 50/60 HZ 5%
Phase Three phase (or single phase power with derating)
Impedance 1% minimum from mains connection
Constant Torque = 150% for 60 seconds,
175% for 3 seconds
Variable Torque = 115% for 60 seconds
Frequency 0-500Hz
Voltage 0 to Maximum Input voltage (RMS)
Protective Features
Trip Missing control power, over current, over voltage, under voltage, Over temperature (motor or control), output shorted or grounded, motor overload
Stall Prevention Over voltage suppression, overcurrent suppression
External Output LED trip condition indicators, 4 assignable logic outputs, 2 assignable analog outputs 0-10 VDC, 10 VDC
Short Circuit Phase to phase, phase to ground
Environmental Conditions
Temperature -10 to 45° C Derate 3% per degree C to maximum ambient temperature of 55° C
Cooling Forced air
Altitude Sea level to 3300 feet (1000 Meters) derate 2% per 1000 feet (303 Meters) above 3300 feet
Humidity 10 to 90% RH non-condensing
Shock 1G
Vibration 0.5G at 10Hz to 60Hz
Storage Temperature -10° to +65° C
Duty Cycle 1.0
Display LCD Graphical 128x64 Pixel
Keys 14 key membrane with tactile response
Functions Output status monitoring
Digital speed control
Parameter setting and display
Diagnostic and Fault log display
Motor run and jog
Local/Remote modes
LED Indicators Forward run command
Reverse run command
Stop command
Jog active
Remote Mount (optional) 200 feet (60.6m) maximum from control
Trip Separate message and trace log for each trip, last 10 trips retained in memory
Control Method Microprocessor controlled PWM output, selectable encoderless vector or V/Hz inverter
PWM Frequency Adjustable 1-5kHz STD, 5-16 kHz quiet
Frequency Setting ± 5 VDC, 0-5 VDC 10 VDC, 4-20 mA, 0-20 mA; digital (keypad), Serial Comms/USB 2.0, and Modbus RTU standard
Accel/Decel 0-3600 seconds
V/Hz Ratio Linear to squared reduced, base frequency, output voltage, minimum frequency limit, maximum frequency limit
Torque Boost 0-30% of input voltage; automatic with manual override
Brake Torque 20% standard on Sizes AA and B, 1% standard on Size C
Skip Frequency Three zones 0-Max frequency
Velocity Loop
Adjustable to 180 Hz (Control only)
Current Loop
Adjustable to 1200 Hz (Control only)
Quiet PWM
Frequency Version
Full rating 5-8 kHz PWM frequency, Adjustable to 16 kHz with linear derating (between 8-16kHz) of 50% at 16 kHz. 600VAC controls do not allow operation above 2.5kHz
Standard PWM
Frequency Version
Full rating 1-2.5 khz PWM frequency, Adjustable to 5 kHz with linear derating (between 2.5 - 5kHz) of 20% (240VAC) at 5 kHz Adjustable to 5 kHz with linear derating (between 2.5 - 5kHz) of 25% (480/600VAC) at 5 kHz
PC Setup Software Workbench Software available using the USB2.0 port for commissioning wizard, firmware download, parameter viewer, scope capture and cloning
Operating modes include: Keypad
Standard Run, 2 Wire
Standard Run, 3 Wire
15 Preset Speeds
Fan Pump 2 Wire
Fan Pump 3 Wire
Process Mode
3 SPD ANA 2 Wire
3 SPD ANA 3 Wire
Electronic Pot 2 Wire
Electronic Pot 3 Wire
Profile Run
15 Preset Positions *
Pulse Follower *

* The modes not available for VS1SP Inverter
Differential Analog Input
Full Scale Range ± 5VDC, 10VDC, 4-20 mA and 0-20 mA
Resolution 11 bits + sign
Single Ended Analog Input
Full Scale Range 0-10 VDC (0 to + 10VDC are valid inputs), 4-20 mA and 0-20 mA
Resolution 11 bits + sign
Analog Outputs
Analog Outputs 2 Assignable
Full Scale Range ± 10VDC or 0 to 20mA
Source Current 1 mA maximum
Resolution 9 bits + sign
Digital Inputs
Opto-isolated Inputs 9 Assignable
Rated Voltage 10-30 VDC (closed contacts std)
Input Impedance 4.71 k Ohms
Update Rate 16 msec
Digital Outputs
(2 Opto Outputs)
Rated Voltage 5 to 30 VDC
Maximum Current 60 mA Maximum
ON Voltage Drop 2 VDC Maximum
Output Conditions 25 Conditions
Digital Outputs
(2 Relay Outputs)
Rated Voltage 5 to 30 VDC or 240 VAC
Maximum Current 5A Maximum non-inductive
Output Conditionns 25 Conditions
Diagnostic Indications:
  • Current Sense Fault
  • Ground Fault
  • Instantaneous Over Current
  • Overload
  • Line Power Loss
  • Microprocessor Failure
  • Over temperature (Motor or Control)
  • Over Speed
  • Regeneration (db) Overload
  • Soft Start Fault
  • Under Voltage
  • Ready
  • Parameter Loss
  • Overload
  • Overvoltage
  • Torque Proving
  • Following Error
  • Encoder Loss
  • Logic Power Fault
  • PWR Base Fault
Note: All specifications are subject to change without notice.