DescriptionPart # VS1SP21-4BBaldor VS1SP21-4B Washdown AC Inverter Drive Current Ratings Standard 2.5 kHz PWM Constant Torque (Heavy Duty) Input Amp: 4.20 HP: 1 KW: 0.75 IC: 4.20 IP: 7.40Variable Torque (Normal Duty) Input Amp: 6.80 HP: 2 KW: 1.50 IC: 6.80 IP: 7.80 Quiet 8.0 kHz PWM Constant Torque (Heavy Duty) Input Amp: 4.2 HP: 1 KW: 0.75 IC: 4.2 IP: 7.4Variable Torque (Normal Duty) Input Amp: 4.2 HP: 1 KW: 0.75 IC: 4.2 IP: 4.8SpecificationsInput RatingsFrequency 50/60 HZ ± 5%Phase Three phase (or single phase power with derating)Impedance 1% minimum from mains connection Output RatingsOverload Capacity Constant Torque = 150% for 60 seconds,175% for 3 secondsVariable Torque = 115% for 60 secondsFrequency 0-500HzVoltage 0 to Maximum Input voltage (RMS)Protective FeaturesTrip Missing control power, over current, over voltage, under voltage, Over temperature (motor or control), output shorted or grounded, motor overloadStall Prevention Over voltage suppression, overcurrent suppressionExternal Output LED trip condition indicators, 4 assignable logic outputs, 2 assignable analog outputs 0-10 VDC, ± 10 VDCShort Circuit Phase to phase, phase to groundEnvironmental ConditionsTemperature -10 to 45° C Derate 3% per degree C to maximum ambient temperature of 55° CCooling Forced airAltitude Sea level to 3300 feet (1000 Meters) derate 2% per 1000 feet (303 Meters) above 3300 feetHumidity 10 to 90% RH non-condensingShock 1GVibration 0.5G at 10Hz to 60HzStorage Temperature -10° to 65° CDuty Cycle 1.0 Keypad Display Display LCD Graphical 128×64 PixelKeys 14 key membrane with tactile responseFunctions Output status monitoring Digital speed control Parameter setting and display Diagnostic and Fault log display Motor run and jog Local/Remote modesLED Indicators Forward run command Reverse run command Stop command Jog activeRemote Mount (optional) 200 feet (60.6m) maximum from controlTrip Separate message and trace log for each trip, last 10 trips retained in memoryControl SpecsControl Method Microprocessor controlled PWM output, selectable encoderless vector or V/Hz inverterPWM Frequency Adjustable 1-5kHz STD, 5-16 kHz quietFrequency Setting ± 5 VDC, 0-5 VDC ± 10 VDC, 4-20 mA, 0-20 mA; digital (keypad), Serial Comms/USB 2.0, and Modbus RTU standardAccel/Decel 0-3600 secondsV/Hz Ratio Linear to squared reduced, base frequency, output voltage, minimum frequency limit, maximum frequency limitTorque Boost 0-30% of input voltage; automatic with manual overrideBrake Torque 20% standard on Sizes AA and B, 1% standard on Size CSkip Frequency Three zones 0-Max frequencyVelocity Loop Bandwidth Adjustable to 180 Hz (Control only)Current Loop Bandwidth 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 2.5kHzStandard 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 kHzPC Setup Software Workbench Software available using the USB2.0 port for commissioning wizard, firmware download, parameter viewer, scope capture and cloningOperating 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 Network Profile Run Bipolar PLC Differential Analog InputFull Scale Range ± 5VDC, ± 10VDC, 4-20 mA and 0-20 mAResolution 11 bits signSingle Ended Analog InputFull Scale Range 0-10 VDC (0 to 10VDC are valid inputs), 4-20 mA and 0-20 mAResolution 11 bits sign Analog OutputsAnalog Outputs 2 AssignableFull Scale Range ± 10VDC or 0 to 20mASource Current 1 mA maximumResolution 9 bits sign Digital InputsOpto-isolated Inputs 9 AssignableRated Voltage 10-30 VDC (closed contacts std)Input Impedance 4.71 k OhmsUpdate Rate 16 msec Digital Outputs (2 Opto Outputs)Rated Voltage 5 to 30 VDCMaximum Current 60 mA MaximumON Voltage Drop 2 VDC MaximumOutput Conditions 25 ConditionsDigital Outputs (2 Relay Outputs)Rated Voltage 5 to 30 VDC or 240 VACMaximum Current 5A Maximum non-inductiveOutput Conditionns 25 ConditionsDiagnostic Indications:Current Sense FaultGround FaultInstantaneous Over CurrentOverloadLine Power LossMicroprocessor FailureOver temperature (Motor or Control)Over SpeedRegeneration (db) OverloadSoft Start FaultUnder VoltageReadyParameter LossOverloadOvervoltageTorque ProvingFollowing ErrorEncoder LossLogic Power FaultPWR Base Fault
