Kb-electronics KBVF-48 Manual de usuario

Installation & Operation ManualKBVF SERIESVariable Speed / Soft-Start AC Motor Drivewith Electronic Motor Overload Protection*Rated for 208-230 an

3.2 PERFORMANCE FEATURES•Power Start™ – Provides more than 200% starting torque which ensures startup of highfrictional loads.•Slip Compensation with

• DIVF – Modbus Communication Module (Part No. 9568) – Allows the drive to communicate withPLCs, PCs, and HMIs with Modbus RTU protocol utilizing a se

built-in cooling fan on this end31.812.70.5(8 Places)5.10.2(Models KBVF-45, 48)217Models KBVF-29, 48 contain a76.21.253.00178(Models KBVF-27, 29)1917.

4 IMPORTANT APPLICATION INFORMATION4.1 MOTOR WITH EXTERNAL FANCOOLING – Most totally enclosed fan-cooled (TEFC) and open ventilated 3-phase AC inducti

level of 160% of the rated drive current. The CL Trimpot is used to recalibrate the drive current from60% thru 200%. The Power Start™ circuit provides

6.1.2 Setting the Drive for TwoTimes the Rated Motor RPM –The drive can also be used tooperate the motor up to twotimes the rated RPM. However,constan

The enclosure should be large enough to allow for proper heat dissipation so that the ambient temperaturedoes not exceed 45 °C (113 °F). Leave enough

9 WIRING INSTRUCTIONSWARNING! Read Safety Warning, on pages 8 and 9, before using the drive. Disconnectmain power when making connections to the drive

9.3 MOTOR CONNECTION – Wire the motor toTerminals “U”, “V”, “W”. The terminals are locatedon the upper PC board. See Figure 14, on page17. Motor cable

9.5 SIGNAL FOLLOWING CONNECTIONS – Thedrive output will linearly follow the analog signalinput.Models KBVF-27, 29Wire the isolated* 0 – 5 Volt DC sign

TABLE OF CONTENTSSection Page1 Quick-Start Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.6 MANUAL START SWITCHCONNECTION (CON1) – TheManual Start Mode is used tomanually start the drive or restartthe drive (reset) if a fault hasoccurred.

9.9 RUN/FAULT RELAY– The Run/FaultRelay is built-in onModels KBVF-45, 48and optional onModels KBVF-27,29. The Run/FaultRelay OutputContacts are locate

10 AC LINE FUSINGThis drive does not contain AC line fuses. Most electrical codes require that each ungrounded conductorcontain circuit protection. Do

12.1 POWER ON (PWR) – The “PWR” LED will illuminate green when the AC line is applied to the drive.12.2 STATUS LED (ST) – The “ST” LED is a tricolor L

on page 24.13.3 ACCELERATION (ACC) – Sets the amount of time for the motor toaccelerate from zero speed to full speed. The ACC Trimpot is factoryset t

13.6 BOOST (DEC/B) – When the drive is set for 50 Hz MotorOperation (Jumper J1 installed in the “50Hz” position), theDEC/B Trimpot automatically becom

Note: This adjustment must be made within 6 seconds orthe I2t Trip will occur.1. Connect an AC RMS ammeter in series with one motorphase.2. Set the CL

– NOTES –27

LIMITED WARRANTYFor a period of 18 months from the date of original purchase, KB Electronics, Inc. will repair or replacewithout charge, devices which

RECONDITIONING THE BUS CAPACITORS If this drive has been in storage for over one year it is necessary to recondition the power supply bus capacitors.

TABLE OF CONTENTS (Continued)Figures Page29 SIVFR Offset Trimpot (OFFSET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CON1CON2CON3X1 X2J2A/MF - S - RPWRST P3P2J1P150/60HzMAXCL ACCMIN DEC/B COMPMain Speed Potentiometer (5 k)see Section 9.4, on page 18.(Supplied) (Front

Ground (Earth):Motor Connection:see Section 9.2, on page 17.see Section 9.3, on page 18.3-Phase Connection:AC LineMotorL3WL1AC LINEL2VUTB1MOTOR50/60

Signal Input, Direction Switch, and Main Speed Potentiometer connections.Sets the drive for operation with a voltage or current input signal.Sets the

1 QUICK-START INSTRUCTIONS7See Figures 1 – 3, on pages 4 – 6. Also see Section 4 — Important Application Information, onpages 13 and 14.WARNING! Disco

Models KBVF-45, 48Unidirectional Speed Operation – Wire the potentiometer to Terminals “+5V” (high), “SIG1” (wiper),“COM1” (low), of Terminal Block TB

3INTRODUCTIONThank you for purchasing the KBVF Adjustable Frequency Drive. KB Electronics, Inc. is committed to pro-viding total customer satisfaction