Home

USER`S MANUAL - Minarik Drives

1. 18 Regen dump circuit connections 20 Voltage signal follower connections 22 JUMP Sh Sell assa oie ope Mg PR a AUS RU RUE IUS UU TE ROTE 23 Tach generator feedback voltage select 501 23 Feedback select 502 503 23 Motor armature voltage select 505 7506 24 Operation 28 Before applying Power 28 Startup and shutdown 22 22 RE d ee ead eat 29 Starting and stopping methods 30 Calibration 32 NRGDO5 Series Calibration Trimpots 33 NRGD10 Series Calibration Trimpots 34 Calibration procedure x eso EU EXE ENS 35 Before applying power oce death o s RE OR EX RAE RR E 35 Application Notes 45 Connection to other Minarik devices 45 DIRECTION Switch 5 sane esti ete Se LIOS wat 46 EWD STOP REV Stee ek vin 47 Independent adjustable speeds 48 Independent forward and reverse speeds 49 Independent forward and reverse speeds with FWD STOP REV switch 50 Troubleshooting 51 Betore applying POWer occa Male xem eR ea
2. Automation mari amp Control NRGD 40 Series M odels NRGDO5 D240AC 4Q NRGD10 D240AC 4Q S aasm Digitally Controlled Four Quadrant Regenerative PWM Drives for DC Brush Motors Copyright 2001 by Minarik Corporation rights reserved No part of this manual may be reproduced or transmitted any form without written permission from Minarik Corporation The information and technical data in this manual are subject to change without notice Minarik Corporation and its Divisions make no warranty of any kind with respect to this material including but not limited to the implied warranties of its merchantability and fitness for a given purpose Minarik Corporation and its Divisions assume no responsibility for any errors that may appear in this manual and make no commitment to update or to keep current the information in this manual Printed in the United States of America Safety Warnings This symbol denotes an important safety tip or warning Please read these instructions carefully before performing any of the procedures contained in this manual DO NOT INSTALL REMOVE OR REWIRE THIS EQUIPMENT WITH POWER APPLIED Have a qualified electrical technician install adjust and service this equipment Follow the National Electrical Code and all other applicable electrical and safety codes including the provisions of the Occupational Safety and Health Act OSHA when installing equipment
3. Reduce the chance of an electrical fire shock or explosion by proper grounding over current protection thermal protection and enclosure Follow sound maintenance procedures It is possible for a drive to run at full speed as a result of a component failure Minarik strongly recommends the installation of a master switch in the main power input to stop the drive in an emergency Circuit potentials are at 120 VAC or 240 VAC above earth ground Avoid direct contact with the printed circuit board or with circuit elements to prevent the risk of serious injury or fatality Use a non metallic screwdriver for adjusting the calibration trimpots Use approved personal protective equipment and insulated tools if working on this drive with power applied Contents Specifications 1 Dimensions 3 Installation 6 MOUNTING rmt soren iun da hcic ae een eR E bet ede 6 WING ee BO e 7 Shielding d idelies ee OU Las Y eX uus 8 Heat sinking eenean te rne Pr E Pre cercle pul ie E dare Beds ied 9 estre e ese peach dake e gs 10 Speed adjust potentiometer installation 11 CONNECTIONS ee I e ocaeca Roe x cato o e x 12 Power fuse and motor connections 12 Optional switch connections 15 Optional speed adjust potentiometer connections
4. Figure 5 Power and Motor Connections Installation 15 Optional switch connections Connect the following switches or jumpers to terminal board TB502 as shown in Figure 6 page 17 ENABLE DISABLE switch Install a single pole single throw switch between the ENABLE and COM terminals Open the switch to disable the drive and coast the motor to a stop Close the switch to enable the drive and run the motor If no switch is installed a jumper must be installed for the drive to run RUN BRAKE switch Install a single pole single throw switch between the RB and COM terminals Close the switch to regeneratively brake the motor to minimum speed at a rate controlled by the DECEL trimpot Open the switch to accelerate the motor to set speed at a rate controlled by the ACCEL trimpot Direction switch Install a single pole single throw switch between the DIR and COM terminals Close the switch to change direction Refer to the Application Notes for additional direction switch connections 16 Installation INHIBIT switch Shorting the INH and COM terminals on connector TB502 to each other causes the motor to regeneratively brake the motor to a stop at the maximum current allowed by the CURRENT LIMIT trimpot setting bypassing the DECEL trimpot circuit Remove the short to accelerate the motor to set speed An alternative is to install a single pole single throw switch between the INH and COM terminals Close the switch to de
5. Replacement Parts Replacement parts are available from Minarik Corporation and its distributors for this drive series Table 3 Replacement Parts Model No Symbol Description Minarik amp P N NRGD05 D240AC 4Q C501 509 10 uF 25V Capacitor 011 0059 C502 220 uF 25 VDC Capacitor 011 0027 C504 508 470 uF 400VDC Capacitor 011 0120 C503 505 506 120 uF 25V Capacitor 011 0122 IC505 Isolation Unit HCPL7840 060 0121 Q501 IRG4BC30UD IGBT 070 0083 T501 POL 15204 Transformer 230 0111 501 6 Terminal Block 160 0108 TB502 10 Terminal Block 160 0153 Speed Adj Pot Kit 202 0096 Fuse Kit 3 8A 050 0069 NRGD10 D240AC 4Q Same as above except C504 508 680 uF 400V Capacitor 011 0080 0501 IRFDC20 600V 0 32 MOSFET 070 0083 Q503 506 IRG4PC50UD IGBT 070 0086 Fuse Kit 5 20A 050 0073 POTENTIOMETER KIT CONTENTS Potentiometer 10K ohm 5W 5 tol 3 8 32 X 1 2 Nut 3 8IN Int Tooth Lock Washer Pot Insulating Washer 4 ea Non insulated Female Tab 1 4 inch Troubleshooting 61 FUSE KIT CONTENTS 3 8A FUSE KIT 3 AMP 3AG Fast Acting Fuse 2 ea 5 AMP 3AG Fast Acting Fuse 2 ea 8 AMP 3AG Fast Acting Fuse 2 ea 1 2A Pico Fuse 1 ea 5 20A FUSE KIT 5 AMP 3AG Fast Acting Fuse 2 ea 8 AMP 3AG Fast Acting Fuse 2 ea 10 AMP 3AB Normal blo Fuse 2 ea 5 AMP 3AB Normal blo Fuse 2 ea 20 AMP 3AB Normal blo Fuse 2 ea 1 2A Pico Fuse 1 ea 62 Index Application Notes 45 Connection to other Minarik devices 45 DI
6. maximum rated horsepower To calibrate IR COMP exact calibration 1 Turn the IR COMP trimpot full CCW Set the speed adjust potentiometer or voltage input signal until the motor runs at midspeed without load for example 900 RPM for an 1800 RPM motor Measure the motor speed with a hand held tachometer 3 Load the motor armature to its full load armature current rating The motor should slow down 4 While keeping the load on the motor rotate the IR COMP trimpot until the motor runs at the speed measured in step 2 To calibrate IR COMP approximate calibration If the motor does not maintain set speed as the load changes gradually rotate the IR COMP trimpot CW If the motor oscillates around the set speed overcompensation then IR COMP was adjusted too high or too far CW Turn the IR COMP trimpot slowly CCW to stabilize the motor and regulate set speed Repeat this adjustment if necessary Calibration 41 CURRENT LIMIT A Warning 8 9 Although CURRENT LIMIT is set to 120 of drive nameplate current rating continuous operation beyond that rating may damage the motor If you intend to operate beyond the rating contact your Minarik representative for assistance With no power applied to the drive connect a DC ammeter in series with the motor armature Set the CURRENT LIMIT trimpot to full CCW Carefully lock the motor armature Ensure that the motor is firmly mounted Apply line power The motor s
7. 47 Independent Adjustable Speeds Forward Direction 48 Independent Forward and Reverse Speeds 49 Independent Forward and Reverse Speeds with a Forward Stop Reverse Switch 50 NRGD05 Diagnostic LED Location 53 NRGD10 Diagnostic LED Location 53 Terminal Assignments 55 Connections 12 Optional speed adjust potentiometer connections 18 Optional switch connections 15 Direction switch 15 ENABLE DISABLE switch 15 INHIBIT switch 16 64 RUN BRAKE switch 15 Power fuse and motor connections 12 Line fuse 13 Motor 12 Power input 13 Regen dump circuit connections 20 Voltage signal follower connections 22 Heat sinking 9 Jumper settings 23 Feedback select J502 J503 23 Motor armature voltage select J505 J506 24 Tach generator feedback voltage select J501 23 Line fusing 10 Mounting 6 Speed adjust potentiometer installation 11 Wiring 7 Shielding guidelines 8 NRGD 4Q Drive Features viii Operation 28 Before applying power 28 Starting and stopping methods 30 Automatic restart upon power restoration 30 ENABLE DISABLE switch 31 INHIBIT switch 31 RUN BRAKE switch 31 Startup and shutdown 29 To start the drive 29 Regenerative Drives General Information vi Safety Warnings i Specifications 1 65 Tables v Table 1 Recommended Line Fuse Sizes 10 Table 2 Regen Dump Circuit Part Numbers 20 Table 3 Replacement Parts 60 Troubleshooting 51 Before applying power 51 Diagnostic LEDs 52 CURRENT LIMIT CL F
8. Open the switch to disable the drive and coast the motor to a stop Close the switch to enable the drive and run the motor If no switch is installed a jumper must be installed for the drive to run See Figure 6 page 17 RUN BRAKE switch Install a single pole single throw switch between the RB and COM terminals Close the switch to regeneratively brake the motor to minimum speed at a rate controlled by the DECEL trimpot Open the switch to accelerate the motor to set speed at a rate controlled by the ACCEL trimpot See Figure 6 page 17 32 Calibration A Warning Dangerous voltages exist on the drive when it is powered and up to 30 seconds after power is removed and the motor stops When possible disconnect the voltage input from the drive before adjusting the trimpots If the trimpots must be adjusted with power applied use insulated tools and the appropriate personal protection equipment BE ALERT High voltages can cause serious or fatal injury NRGD 4Q drives have nine user adjustable trimpots Each drive is factory calibrated to its maximum horsepower rating Readjust the calibration trimpot settings to accommodate lower horsepower motors With the exception of the TACH trimpot all adjustments increase with CW rotation and decrease with CCW rotation The TACH trimpot increases with CCW rotation and decreases with CW rotation Use a non metallic screwdriver for calibration Each trimpot is identified on the prin
9. Rep Re 51 Diagnostio LEDs iue ac mug die XU nere ib e SRI Slade esr eae 52 Terminal assignments ce ean gina Seka SG 54 Peplacement Pals Bele 60 Index 62 Unconditional Warranty inside back cover Illustrations Figure 1 Figure 2 Figure 3 Figure 4 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Four Quadrant Operation vii NRGDO5 Series Dimensions 3 NRGD10 Series Dimensions 4 Heat Sink Dimensions for NRGD10 Series Drives 5 Speed Adjust Potentiometer 11 Power and Motor Connections 14 Signal and Optional Switch Connections 17 Speed Adjust Potentiometer Connections 19 Regen Dump Circuit Connections To NRGD Drives 21 Voltage Follower Connections 22 NRGD05 Jumper Terminal Location 25 NRGD10 Jumper Terminal Location 26 Jumper Settings 27 NRGDO5 Calibration Trimpot Layout 33 NRGD10 Calibration Trimpot Layout 34 Connecti
10. any one motor lead may destroy the drive Use 18 24 AWG wire for speed adjust potentiometer wiring Use 14 16 AWG wire for AC line L1 L2 and motor A1 A2 wiring 8 Installation Shielding guidelines A Warning Under no circumstances should power and logic leads be bundled together Induced voltages can cause unpredictable behavior in any electronic device including motor controls As a general rule Minarik recommends shielding of all conductors If it is not practical to shield power conductors Minarik recommends shielding all logic level leads If shielding is not practical the user should twist all logic leads with themselves to minimize induced noise It may be necessary to earth ground the shielded cable If noise is produced by devices other than the drive ground the shield at the drive end If noise is generated by a device on the drive ground the shield at the end away from the drive Do not ground both ends of the shield If the drive continues to pick up noise after grounding the shield it may be necessary to add AC line filtering devices or to mount the drive in a less noisy environment Logic wires from other input devices such as motion controllers and PLC velocity controllers must be separated from power lines in the same manner as the logic I O on this drive Installation 9 Heat sinking NRGDOS series drives do not require an external heat sink NRGD10 series drives require an e
11. claim or breech of warranty contained in Paragraph A or of any other warranties express or implied or claim of liability that might despite Paragraph B be decided against the Corporation by lawful authority the Corporation shall under no circumstances be liable for any consequential damages losses or expense arising in connection with the use of or inability to use the Corporation s product for any purpose whatsoever An adjustment made under warranty does not void the warranty nor does it imply an extension of the original 12 month warranty period Products serviced and or parts replaced on a no charge basis during the warranty period carry the unexpired portion of the original warranty only If for any reason any of the foregoing provisions shall be ineffective the Corporation s liability for damages arising out of its manufacture or sale of equipment or use thereof whether such liability is based on warranty contract negligence strict liability in tort or otherwise shall not in any event exceed the full purchase price of such equipment Any action against the Corporation based upon any liability or obligation arising hereunder or under any law applicable to the sale of equipment or the use thereof must be commenced within one year after the cause of such action arises ILLT La amp Control 901 E Thompson Avenue Glendale CA 91201 2011 Tel 1 800 MINARIK 646 2745 Fax 1 800 394 6334 www minarikcorp com Document num
12. line voltage disconnected connect a DC motor armature to PCB terminals A1 and A2 as shown in Figure 5 Ensure that the motor voltage rating is consistent with the drive s output voltage Power input A Warning Do not install remove or rewire this equipment with power applied Failure to follow this warning may result in fire explosion or serious injury Minarik strongly recommends the installation of a master power switch in the voltage input line as shown in Figure 5 page 14 The switch contacts should be rated at a minimum of 200 of motor nameplate current and 250 volts Connect the AC line power leads to 501 terminals L1 and L2 or to a single throw double pole master power switch recommended Line fuse With line voltage disconnected wire an external line fuse between the stop switch if installed and the L1 terminal on terminal board TB501 An additional line fuse should be installed on L2 if the input voltage is 240 VAC The line fuse s should be rated at 250 volts and 150 200 of maximum motor nameplate current Refer to the line fuse chart on page 10 for fuse ratings 14 Installation Ww TO REGEN DUMP 6 CIRCUIT BUS AND BUS NEG OR TERMINALS OPTIONAL SEE PAGE 20 POS OR 21 5089 lt 5 8 10891 120 240 LINE VOLTAGE V START STOP SWITCH NOTE INSTALL FUSE ON L2 WHEN LINE VOLTAGE IS 240 VAC DO NOT INSTALL IF LINE VOLTAGE IS 120 VAC FUSE
13. sink kit 223 0363 when continuous armature current is above 5 ADC AC Line Voltage 120 VAC or 240 VAC 10 50Hz or 60 Hz single phase Armature Voltage Range 120 VAC line voltage 0 130 VDC 240 VAC line voltage 0 240 VDC Form Factor 1 10 Acceleration Time Range 0 1 20 seconds Deceleration Time Range 0 1 20 seconds Floating Input Signal Range signal must be isolated 10 to 10 VDC 2 Specifications Input Impedance 100K ohms minimum Speed Regulation of base speed 196 open loop 0 196 in tachogenerator feedback mode Vibration 0 5G max 0 50 Hz 0 1G max gt 50 Hz Weight 0 78 Ib Ambient Operating Temperature Ranget 10 40 T Forced external air flow is required to meet temperature limits Dimensions 2 50 64 1 75 44 0 19 5 4 98 126 3 63 92 0 50 13 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 2 NRGDO05 Series Dimensions 4 Dimensions 6 30 160 6 90 175 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 3 NRGD10 Series Dimensions Dimensions 5 6 90 175 aF Figure 4 Heat Sink Dimensions for NRGD10 Series Drives T 6 Installation Mounting A Warning Do not install rewire or remove this control with line voltage applied Doi
14. this reason Minarik strongly recommends installing an emergency stop switch on both the L1 and L2 inputs see Figure 5 page 14 Frequent decelerating to minimum speed or regenerative braking produces high torque This may cause damage to motors especially gearmotors that are not properly sized for the application Minarik strongly recommends the installation of an external regen dump circuit if you plan to use the NRGD s regenerative braking capability This will help avoid damage to the motor and or drive Refer to page 20 for information on connecting an external regen dump circuit Automatic restart upon power restoration After a one second time delay all drives automatically run to set speed when power is applied and the ENABLE input is jumpered Operation 31 INHIBIT switch Shorting the INH and COM terminals on connector TB502 to each other causes the motor to regeneratively brake the motor to a stop at a rate controlled by the CURRENT LIMIT trimpot bypassing the DECEL trimpot circuit Remove the short to accelerate the motor to set speed See Figure 6 page 17 An alternative is to install a single pole single throw switch between the INH and COM terminals Close the switch to decelerate to minimum speed at a rate controlled by the CURRENT LIMIT trimpot Open the switch to accelerate the motor to set speed ENABLE DISABLE switch Install a single pole single throw switch between the ENABLE and COM terminals
15. E2ES SPD ADJ POT amp 10K OHMS SPD ADJ POT cw SPD ADJ POT 10K OHMS b Figure 7 Speed Adjust Potentiometer Connections for a Bidirectional Operation b Unidirectional Operation Forward and c Unidirectional Operation Reverse 20 Installation Regen dump circuit connections A Warning Minarik strongly recommends the installation of an extenal regen dump circuit if you plan to use regenerative braking This will help avoid damage to the motor or drive The external regen dump circuit reduces the voltage across the bus capacitor when it reaches a factory set trip point As the drive regeneratively brakes it returns excess voltage to the bus capacitor where it is stored until it can be discharged When the regen dump circuit detects excess bus voltage it redirects or dumps the excess voltage through a shunt resistor network safely discharging the bus capacitor Bus capacitor maximum working voltage ratings are 200 VDC for 120 VAC drives and 400 VDC for 240 VAC drives Please contact your Minarik representative for more information on changing the dump circuit s regen dump trip setting Refer to Figure 8 page 21 for regen dump circuit connections Table 2 Regen Dump Circuit Part Numbers NRGD Drive Line Input Voltage Drive model number 120 VAC 240 VAC NRGDxx D240AC 4Q BOSS DB 115 BOSS DB 230 Because the BOSS DB is powered by the drive s b
16. RECTION switch 46 FWD STOP REV switch 47 Independent adjustable speeds 48 Independent forward and reverse speeds 49 Independent forward and reverse speeds with FWD STOP REV switch 50 Calibration 32 Calibration procedure 35 ACCEL trimpot 42 BALANCE BAL trimpot 37 Before applying power 35 CURRENT LIMIT trimpot 41 DECEL trimpot 43 IR COMP trimpot 40 LOOP GAIN LOOP trimpot 44 MAX SPD trimpot 38 OFFSET trimpot 36 TACH trimpot for use with tachogenerator feedback only 38 NRGDO5 Series Calibration Trimpots 33 NRGD10 Series Calibration Trimpots 34 Contents ii Dimensions 3 63 Illustrations Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Installation 6 Four Quadrant Operation vii NRGD05 Series Dimensions 3 NRGD10 Series Dimensions 4 5 Speed Adjust Potentiometer 11 Power and Motor Connections 14 Signal and Optional Switch Connections 17 Speed Adjust Potentiometer Connections 19 Regen Dump Circuit Connections 21 Voltage Follower Connections 22 NRGD05 Jumper Terminal Location 25 NRGD10 Jumper Terminal Location 26 Jumper Settings 27 NRGDO5 Calibration Trimpot Layout 33 NRGD10 Calibration Trimpot Layout 34 Connection to DLC600 and PCM4 45 Direction Switch 46 Forward Stop Reverse Switch
17. T 2206 4501 2 ARMATURE 2 3 7T 4 2 7 520 VIKRPM 2 3 50 100 Y50 ARM TACH __ FEEDBACK 949 SELECT PEAK RUN J502 ax 2 26 POWER J503 N 1 TH50 oo es Figure 11 NRGD10 Jumper Terminal Location Installation 27 1 2 ARMATURE 2 3 TACH 1 1 J502 J503 H H ES ARM TACH o o FEEDBACK SELECT I H e n n 7 JUMPERS SET JUMPERS SET FOR ARMATURE FOR TACH FEEDBACK FEEDBACK J503 Ww Q oa Q oO Ww Ww iO gt gt gt gt 1 1 J505 J506 MOTOR ARMATURE TRSDUAG VOLTAGE JUMPERS SET JUMPERS SET 2 3 180VAC FOR 90 VDC FOR 180 VDC MOTOR MOTOR J501 TACH FEEDBACK E VOLTAGE RANGE 1 1 1501 1501 1 2 7 5 20 VIKRPM 2 3 50 100 V KRPM JUMPERS SET JUMPERS SET FOR 7 5 200V FOR 50 100V TACH OUTPUT OUTPUT Figure 12 Jumper Settings 28 Operation A Warning Dangerous voltages exist on the drive when it is powered and up to 30 seconds after power is removed and the motor stops BE ALERT High voltages can cause serious or fatal injury For your safety use personal protective equipment PPE when operating this drive Do not change jumper settings with power applied Remove line voltage or disable the drive before changing jumper settings Failure to follow these instructi
18. TL 52 PEAK 52 POWER 52 RUN 52 Replacement Parts 60 Terminal assignments 54 Troubleshooting Tree 56 Unconditional Warranty inside back cover Notes Unconditional Warranty A Warranty Minarik Corporation referred to as the Corporation warrants that its products will be free from defects in workmanship and material for twelve 12 months from date of manufacture thereof Within this warranty period the Corporation will repair or replace such products that are returned to Minarik Corporation 901 East Thompson Avenue Glendale CA 91201 2011 USA This warranty shall not apply to any product that has been repaired by unauthorized persons The Corporation is not responsible for removal installation or any other incidental expenses incurred in shipping the product to and from the repair point B Disclaimer The provisions of Paragraph A are the Corporation s sole obligation and exclude all other warranties of merchantability for use express or implied The Corporation further disclaims any responsibility whatsoever to the customer or to any other person for injury to the person or damage or loss of property of value caused by any product that has been subject to misuse negligence or accident or misapplied or modified by unauthorized persons or improperly installed C Limitations of Liability In the event of any claim for breach of any of the Corporation s obligations whether express or implied and particularly of any other
19. ative drives can reverse a motor oppose an overhauling load and decelerate a load faster than it would take to coast to a lower speed all without any external contactors or switches Regenerative Drives vii Quadrant 1 Quadrant I Quadrant III Quadrant IV MOTOR MOTOR ROTATION TORQUE NOTE ARROWS IN SAME DIRECTION MOTOR ACTION ARROWS IN OPPOSITE DIRECTION REGENERATIVE ACTION Figure 1 Four Quadrant Operation viii NRGD 4Q Drives Minarik s NRGD 4Q Series drives are four quadrant full wave regenerative PWM drives These open chassis drives come with the following features Low power consumption The NRGD series consume 30 less power than typical analog PWM drives and 5046 less power than typical SCR drives Four quadrant ACCEL DECEL The ACCEL trimpot determines the time the motor takes to ramp from a lower to a higher speed independent of direction The DECEL trimpot determines the time the motor takes to ramp down from higher to lower speed independent of direction Pulse width modulation Lower form factor than SCR drives 1 10 versus 1 37 throughout the motor speed range Motor runs with greater efficiency and less maintenance Four quadrant regenerative operation See Regenerative drives section on the preceding pages Regenerative braking When used with an external dump circuit the drive brakes along user adjusted deceleration profile No contactors required and no electromechanical compone
20. ber 250 0281 Revision 1 Printed in the U S A 01 01 North America 12 00 Outside North America 15 00
21. celerate to a stop Open the switch to accelerate the motor to set speed Installation 17 m 502 50 51 52 3 COM DIR INHIBIT RB ENBL COM CW 10K OHM SPEED ADJUST POTENTIOMETER SHOWN CONNECTED FOR BIDIRECTIONAL OPERATION DIRECTION INHIBIT RUN BRAKE ENABLE SWITCH SWITCH SWITCH DISABLE OPEN TO CLOSE TO CLOSE TO SWITCH REVERSE INHIBIT BRAKE OPEN TO DISABLE NOTE REFER TO FIGURE 7 PAGE 19 FOR ADDITIONAL SPEED ADJUST POTENTIOMETER CONNECTIONS Figure 6 Signal and Optional Switch Connections 18 Installation Optional speed adjust potentiometer connections The motor can operate in one direction unidirectionally or two directions bidirectionally depending on how the speed adjust potentiometer is connected to the drive Connect the speed adjust potentiometer as shown in Figure 7a for bidirectional operation The motor shaft does not rotate when the wiper is in the center position Turning the wiper CW from the center causes the motor to rotate in one direction while turning the wiper CCW from center causes rotation in the opposite direction Connect the speed adjust potentiometer as shown in Figure 7b for unidirectional operation in the forward direction Connect the speed adjust potentiometer as shown in Figure 7c for unidirectional operation in the reverse direction Refer to the Application Notes for additional speed adjust potentiometer connections Installation 19 EJEI
22. drive s power section Removing the short will disable the drive and coast the motor to a stop COM Circuit common for signal switch and jumper installation 56 Troubleshooting Problem External line fuse blows Line fuse does not blow but the motor does not run Possible Cause 1 Line fuses are the wrong size 2 Motor cable or armature is shorted to ground 1 Speed adjust potentiometer or voltage input signal Set to zero speed 2 Speed adjust potentiometer or voltage input signal not connected to drive input properly connections are open Suggested Solution 1 Check that line fuses are properly sized for the motor being used 2 Check motor cable and armature for shorts 1 Increase the speed adjust potentiometer Setting or voltage input signal 2 Check connections to input Verify that connections are not open Problem Line fuse does not blow but the motor does not run cont Motor runs too slow or too fast at set speed Possible Cause 3 INH terminal is shorted to COM S2 is shorted to SO or RB is shorted to COM 4 Drive is in current limit CURRENT LIMIT LED lit 5 Drive is not receiving AC line voltage 6 Motor is not connected 1 Switches or jumpers are set incorrectly Troubleshooting 57 Suggested Solution 3 Remove short 4 Verify that motor is not jammed Increase CURRENT LIMIT setting if it is Set too low see
23. es and jumpers are set correctly 3 The motor must be rated for the drive s rated armature voltage and current 4 Check that all terminal block connections are correct For additional assistance contact your local Minarik distributor or the factory direct 1 800 MINARIK 646 2745 or Fax 1 800 394 6334 52 Troubleshooting Diagnostic LEDs NRGD05 and NRGD10 series drives are equipped with the following diagnostic LEDs to aid in troubleshooting Refer to Figure 21 NRGD09 and Figure 22 NRGD10 for diagnostic LED locations POWER The green POWER LED lights when AC line voltage is applied to the drive the drive s power supply is active RUN The red RUN LED lights when the drive is enabled CURRENT LIMIT CL FTL The red CURRENT LIMIT LED lights when drive output current exceeds the threshold set by the CURRENT LIMIT trimpot PEAK The red PEAK LED lights when the drive s output to the regen dump circuit exceeds the dump circuit s maximum input voltage When this condition exists the NRGD drive will switch off its power control components coasting the motor to a stop However once the threshold is cleared bus voltage drops below the PEAK value the power components will begin to switch on at a rate controlled by the speed adjust pot or voltage signal input This may lead to sudden undesired motor restarts or intermittent motor operation For this reason if the PEAK LED lights always set the speed adjust po
24. hould be stopped Set the speed potentiometer or reference signal to maximum speed The motor should remain stopped Slowly rotate the Forward torque trimmer pot clockwise CW until the ammeter reads 120 of maximum motor armature current Set the speed adjust potentiometer or reference signal to zero speed Remove power from the drive Remove the lock from the motor shaft 10 Remove the ammeter in series with the motor armature 42 Calibration ACCELERATION ACCEL The ACCEL setting determines the time the motor takes to ramp to a higher speed in either direction ACCEL is factory set for the fastest acceleration time full CCW To calibrate ACCEL 1 Set the speed adjust potentiometer or voltage input signal for zero speed The motor should run at zero or minimum speed 2 Setthe speed adjust potentiometer or voltage input signal to maximum forward speed and measure the time it takes the motor to go from minimum to maximum speed 3 If the time measured in step 2 is not the desired acceleration time turn the ACCEL trimpot CW for a slower acceleration time or CCW for a faster acceleration time Repeat steps 1 through 3 until the acceleration time is correct Calibration 43 DECELERATION DECEL The DECEL setting determines the time the motor takes to ramp to a lower speed in either direction DECEL is factory set for the shortest deceleration time full CCW To calibrate DECEL 1 Set the speed adj
25. ng so may cause fire or serious injury Make sure you have read and understood the Safety Warnings before attempting installation Drive components are sensitive to electrostatic fields Avoid direct contact with the circuit board Hold drive by the chassis only Protect the drive from dirt moisture and accidental contact Provide sufficient room for access to the terminal block and calibration trimpots Mount the drive away from heat sources Operate the drive within the specified ambient operating temperature range Prevent loose connections by avoiding excessive vibration of the drive Mount drive with its board in either a horizontal or vertical plane Six 0 19 in 5 mm wide slots in the chassis accept 8 pan head screws Fasten either the large base or the narrow flange of the chassis to the subplate The chassis must be earth grounded Use a star washer beneath the head of at least one of the mounting screws to penetrate the anodized chassis surface and to reach bare metal Installation 7 Do not install remove or rewire this equipment with power applied Failure to heed this warning may result in fire explosion or serious injury Circuit potentials are at 120 or 240 VAC above ground To prevent the risk of injury or fatality avoid direct contact with the printed circuit board or with circuit elements Do not disconnect any of the motor leads from the drive unless power is removed or the drive is disabled Opening
26. nts to overheat or wear out NRGD 4Q Drives ix Fast brake inhibit Active braking as fast as user adjusted current limit allows Enable Disable Turns off the output stage allowing the motor to coast to a stop Cage clamp terminals Quicker and easier wiring than screw terminals Plug reversing Quickly switch from forward to reverse without contactors Autoranging dual voltage input Power the drive with either 120 VAC or 240 VAC Tachogenerator feedback option Improve the speed regulation from approximately 1 armature feedback to 0 196 with tachogenerator feedback Diagnostic LEDs Green POWER ON and red FAULT LEDs allow easy visual inspection of the drive status User adjustable trimpots Calibrate the drive precisely to your application needs with the nine trimpots described in the Calibration section starting on page 31 Notes Specifications NRGD05 D240AC 4Q Maximum Continuous Armature Current 5 0 amps DC Peak Armature Current 7 5 amps DC HP Range 120 VAC Line Voltage 1 8 1 2 HP Range 240 VAC Line Voltage 1 4 1 NRGD10 D240AC 4Q Maximum Continuous Armature Current No Heat Sink 5 0 amps DC Maximum Continuous Armature Current with Heat Sink Installed 10 0 amps DC Peak Armature Current 15 amps DC HP Range 120 VAC Line Voltage 1 4 1 HP Range 240 VAC Line Voltage 12 2 Applied for less than one minute NRGD10 series drives require heat
27. ometer Twist the speed adjust potentiometer wire to avoid picking up unwanted electrical noise If speed adjust potentiometer wires are longer than 18 in 457 mm use shielded cable Keep speed adjust potentiometer wires separate from power leads L1 L2 Al A2 MOUNT THROUGH A 0 38 IN 10 MM HOLE CER SPEED ADJUST POTENTIOMETER INSULATING PANEL DISK POT TAB ASSIGNMENTS Figure 4 Speed Adjust Potentiometer 12 Installation Connections A Warning Do not install remove or rewire this equipment with power applied Failure to follow this warning may result in fire explosion or serious injury Minarik strongly recommends the installation of a master power switch in the voltage input line as shown in Figure 5 page 14 The switch contacts should be rated at a minimum of 200 of motor nameplate current and 250 volts Power fuse and motor connections Connect the power input leads an external line fuse and a DC motor to TB501 on the drive s printed circuit board PCB as shown in Figure 5 page 14 Motor Minarik drives supply motor voltage from 1 and 2 terminals It is assumed throughout this manual that when A1 is positive with respect to A2 the motor will rotate clockwise CW while looking at the output shaft protruding from the front of the motor If this is opposite of the desired rotation simply reverse the wiring of A1 and A2 with each other Installation 13 With
28. on to DLC600 and POMA 45 Direction Swilch 46 Forward Stop Reverse 47 Independent Adjustable Speeds 48 Independent Forward and Reverse Speeds 49 Independent Forward and Reverse Speeds with a Forward Stop Reverse 50 NRGDO5 Diagnostic LED Location 53 NRGD10 Diagnostic LED Location 53s Tables Table 1 Table 2 Table 3 Recommended Line Fuse Sizes Regen Dump Circuit Part Numbers Replacement Parts Regenerative Drives Non regenerative variable speed DC drives control current and speed to a motor in one direction only The direction of current flow is in the same direction as the motor rotation This is commonly described as Single Quadrant operation Quadrants 1 or 3 depending on your direction of rotation see Figure 1 Non regenerative drives cannot oppose an overhauling load with reverse torque nor decelerate a load faster than coasting to a lower speed Dynamic braking with an external brake resistor can be added to accomplish these things however it would require the use of an external switch Regenerative drives however can operate in all four quadrants of operation They are able to control motor speed and current in both directions simultaneously Thus regener
29. ons may result in damage to the drive or motor or serious injury Before applying power Verify that no conductive material is present on the printed circuit board Ensure that all jumpers are properly set Operation 29 Startup and shutdown To start the drive 1 Turn the speed adjust potentiometer full counterclockwise CCW If the speed adjust potentiometer is wired for bidirectional operation set the pot to its center of travel If the drive is following a voltage signal set the voltage signal to 0 VDC 2 Apply AC line voltage 3 Slowly advance the speed adjust potentiometer clockwise CW If the drive is following a voltage signal slowly increase the voltage signal The motor slowly accelerates as the potentiometer is turned CW or the voltage signal is increased Continue until the desired speed is reached 4 Remove AC line voltage from the drive to coast the motor to a stop If the motor or drive does not perform as described disconnect the AC line voltage immediately Refer to the Troubleshooting section for further assistance 30 Operation Starting and stopping methods Decelerating to minimum speed regenerative braking or coasting to a stop is recommended for frequent starts and stops Do not use any of these methods for emergency stopping They may not stop a drive that is malfunctioning Removing AC line power both L1 and L2 is the only acceptable method for emergency stopping For
30. page 41 5 Apply AC line voltage to L1 and L2 6 Connect motor to A1 and A2 1 Verify all switch and jumper settings 58 Troubleshooting Problem Motor runs too slow or too fast at set speed cont Motor will not reach the desired speed Motor pulsates or surges under load Possible Cause 2 MAX SPD is not calibrated 1 MAX SPD setting is too low 2 IR COMP setting is too low 3 Motor is overloaded 1 IR COMP is set too high Suggested Solution 2 Calibrate MAX SPD see page 38 1 Increase MAX SPD setting see page 38 2 Increase the IR COMP setting see page 40 3 Check motor load Resize the motor if necessary 1 Adjust the IR COMP setting slightly CCW until the motor speed stabilizes see page 40 Problem Motor pulsates or surges under load cont Motor does not reverse Motor creeps when INH and COM terminals are shorted or RB and COM terminals are shorted Possible Cause 2 Motor bouncing in and out of torque limit 1 Bad switch connection to DIR and COM 2 Reversing circuit not working properly BAL trimpot not set for zero speed Troubleshooting 59 Suggested Solution 2 Make sure motor is not undersized for load 1 Check switch connection to DIR and COM 2 Check reversing circuit by shorting DIR to COM with jumper wire Calibrate BAL trimpot see page 37 60 Troubleshooting
31. regulation for certain drives It is calibrated at the factory and should not require adjustment Please consult your Minarik representative for more information before adjusting this trimpot The OFFSET setting adjusts the zero offset voltage in the internal velocity loop This affects the gain circuit which controls motor regulation To calibrate OFFSET 1 Set the speed adjust potentiometer or analog voltage signal to zero speed and apply input power If in unidirectional mode set the speed adjust potentiometer fully CCW If in bidirectional mode set the speed adjust pot to midrange or 50 2 Apply line voltage and observe motor behavior 3 If the motor shaft creeps i e slowly rotates with no signal applied adjust the OFFSET trimpot until the shaft stops rotating 38 Calibration MAXIMUM SPEED MAX SPD The MAX SPD setting determines the maximum motor speed when the speed adjust potentiometer or voltage input signal is set for maximum forward speed It is factory set for maximum rated motor speed To calibrate MAX SPD 1 Set the MAX SPD trimpot full CCW Set the speed adjust potentiometer or voltage input signal for maximum forward speed 3 Adjust the MAX SPD trimpot until the desired maximum forward speed is reached TACHOGENERATOR for use with tachogenerator feedback only Calibrate the TACH setting only when a tachogenerator is used The TACH setting determines the degree to which motor speed i
32. s held constant as the motor load changes To calibrate the TACH trimpot 1 Connect the tachogenerator to terminal 50502 The polarity is for and for T2 with the motor running in the forward direction The motor will run in the forward direction when the voltage at terminal A1 is more positive than A2 Calibration 39 10 11 12 Set ARM TACH FEEDBACK jumpers J502 and J503 for armature feedback Refer to Figures 10 pg 24 and 11 pg 25 for jumper locations Run the motor at full speed Measure the armature voltage across 1 and A2 using a voltmeter Run the motor at either minimum speed or zero speed Remove AC line voltage Set ARM TACH FEEDBACK jumpers J502 and J503 for tachogenerator feedback Set the TACH VOLTAGE jumper to the correct tachogenerator voltage range Apply AC line voltage Set the IR COMP trimpot full CCW Set the TACH trimpot full CW Run the motor at full speed Adjust the TACH trimpot until the armature voltage is the same value as the voltage measured in step 3 Check that the tachogenerator is properly calibrated The motor should run at the same set speed when the ARM TACH FEEDBACK jumpers are set to either armature or tachogenerator feedback 40 Calibration REGULATION IR COMP The IR COMP trimpot also known as regulation determines the degree to which motor speed is held constant as the motor load changes It is factory set for optimum motor regulation at
33. s 50 100 volts 1000 RPM The factory default setting is 7 5 20 volts 1000 RPM terminals 1 and 2 See Figure 12 page 27 for settings Feedback select J502 J503 Jumper terminals 1 and 2 on J502 and J503 as shown if the feedback selected is from the motor armature Jumper terminals 2 and 3 on J502 and J503 if the feedback is from a tach generator The factory default setting is motor armature feedback terminals 1 and 2 See Figure 12 page 27 for settings 24 Installation Motor armature voltage select J505 J506 Jumper terminals 1 and 2 on J505 and J506 if the motor armature voltage is 90 volts Jumper terminals 2 and 3 on J505 and J506 if the motor armature voltage is 180 volts The factory default setting is 180 volts terminals 2 and 3 See Figure 12 page 27 for settings Installation 25 keik C507 1 1 Q506 Q505 MTG2 C511 1 cso ARMATURE Minarik VOLTAGE PATENT PENDING Ss SELECT 4505 AND 2506 ARM TACH 1 FEEDBACK 2 3 180 0 SELECT ARMATURETACH BALANCE TACH J502 AND E 1 2 7 5 20 VIKRPM 2 3 50 100 V KRPM i x Y501 MAX SPD Ak O TACH VOLTAGE RANGE ZA SELECT 501 Figure 10 NRGDO5 Jumper Terminal Location 26 Installation ARMATURE voce SELECT d 4505 AND Q503 1 5 J506 Minmi 1 502 VOLTAGE 2 RANGE J503 SELEC
34. s disabling the drive before changing speeds Connect two speed adjust potentiometers with a single pole two position switch to select between two independent speeds in the same direction Refer to Figure 18 20K OHMS SPEED 2 Figure 18 Independent Adjustable Speeds Forward Direction Application Notes 49 Independent forward and reverse speeds NOTE Minarik recommends disabling the drive before changing directions Connect two speed adjust potentiometers with a single pole two position switch as shown in Figure 19 to select between independent forward and reverse speeds Figure 19 Independent Forward and Reverse Speeds 50 Application Notes Independent forward and reverse speeds with FWD STOP REV switch NOTE Minarik recommends disabling the drive before changing direction Use a switch to select forward stop or reverse Figure 20 Set the switch to the center position to decelerate the motor to a stop REV 10K OHMS 10K OHMS Figure 20 Independent Forward and Reverse Speeds with a Forward Stop Reverse Switch 51 Troubleshooting A Warning Dangerous voltages exist on the drive when it is powered When possible disconnect the drive while troubleshooting High voltages can cause serious or fatal injury Before applying power Check the following steps before proceeding 1 The AC line voltage must be connected to the proper terminals 2 Check that the voltage switch
35. t or input signal to zero speed then restart the drive Troubleshooting 53 0 cunrent tif LIMIT IC5038 a QO 1 2 7 5 20 VIKRP 2 3 50 100 V KRF 9496 49 Y501 lt C512 LL RUN Es 05017 Figure 21 NRGDO5 Diagnostic LED Location 1 4506 11 2 ARMATURE TNT 2 3 TACH sos PEAK UN 127 20 VIRREN MAX SP 2 3 50 100 V KRPM CS bo IC501 et PEAK 57 je 0501 OWERCL F IRCO z CURRENT OFFSET cia LIMIT i DE Figure 22 NRGD10 Diagnostic LED Location 54 Troubleshooting Terminal assignments S0 Circuit common for 10K ohm speed adjust potentiometer or isolated voltage input signal 51 Floating 10 VDC reference for 10K ohm speed adjust potentiometer 52 Accepts 10K ohm speed adjust potentiometer wiper or isolated 10 VDC to 10 VDC reference S3 Floating 10 VDC reference for 10K ohm speed adjust potentiometer DIR Short the DIR and COM terminals to reverse the direction of motor shaft rotation INHIBIT Short the INHIBIT and COM terminals to brake the motor to a stop at a rate controlled by the CURRENT LIMIT trimpot bypassing the DECEL trimpot circuit Troubleshooting 55 RB Short RB to COM to decelerate the motor to minimum speed using regenerative braking The braking rate is controlled by the DECEL trimpot ENBL Short the ENBL and COM terminals to enable the
36. t the speed adjust potentiometer or analog input signal to zero speed 2 Remove power to the drive and motor The drive is now calibrated for nominal operation 45 Application Notes Connection to other Minarik devices DLC600 BIDIRECTIONAL 4 SIGNAL ISOLATOR Figure 15 Connection to DLC600 and PCM4 46 Application Notes DIRECTION switch NOTE You may need to adjust the OFFSET trimpot when using a DIRECTION switch in unidirectional mode Use a single pole single throw switch with a single speed adjust potentiometer to reverse a motor Figure 16 Brake the drive before reversing by using a RUN BRAKE switch as shown Close the switch to regeneratively brake the motor to a stop at a rate controlled by the DECEL trimpot This will help prevent high reversing currents from damaging the drive or motor TB502 i 2 S0 3S1 S2 3 COMDIR INHIBIT RB ENBL CW SPEED DIRECTION RUN BRAKE ADJUST SWITCH SWITCH TEN OME TER OPENTO CLOSE TO CHANGE BRAKE DIRECTION Figure 16 Direction Switch Application Notes 47 FWD STOP REV switch Use a single pole three position switch with a single speed adjust potentiometer to stop a motor between reversals Figure 17 Set the switch to the center position to decelerate the motor to a stop 10K OHMS Figure 17 Forward Stop Reverse Switch 48 Application Notes Independent adjustable speeds NOTE Minarik recommend
37. ted circuit board Calibration 33 NRGDO5 Series Calibration Trimpots TACHOGENERATOR E 2ARMATURETACH BALANCE Hse 1 2 7 5 20 VIKRPM MAXIMUM 2350 LOOP SPEED MAX SPD 501 AECE CURRENT ACCELERATION LIMIT IR COMP OFFSET DECELERATION Figure 13 NRGDOS Calibration Trimpot Layout 34 Calibration NRGD10 Series Calibration Trimpots MAXIMUM TACHOGENERATOR SPEED BALANCE CURRENT vso MARS LIMIT LOOP OFFSET ACCELERATION IR COMP DECELERATION Figure 14 NRGD10 Calibration Trimpot Layout Calibration 35 Calibration procedure Before applying power 1 22 10 Verify that no conductive material is present on the printed circuit board Ensure that all jumpers are properly set Set the following trimpots full counterclockwise CCW IRCOMP ACCEL DECEL Set the following trimpots to their center of travel MAX SPD TACH BAL Set the CURRENT LIMIT trimpot full clockwise CW Make no adjustment to the OFFSET and LOOP trimpots Set the speed adjust potentiometer or input signal to zero speed Set the ENABLE DISABLE switch to DISABLE or remove the jumper between the ENBL and COM terminals of terminal board TB502 Set the FWD REV switch to the desired direction or insert or remove a jumper as required between the DIR and COM terminals of terminal board TB502 Set the INHIBIT switch to RUN or remove the jumper between the INHIBIT and COM
38. terminals of terminal board TB502 36 Calibration 11 Set the RUN BRAKE switch to RUN or remove the jumper between the RB and COM terminals of terminal board TB502 12 Apply line voltage to the drive The green POWER LED shall light 13 Set the ENABLE DISABLE switch to ENABLE or insert a jumper between the ENBL and COM terminals of terminal board TB502 The red RUN LED shall light when the drive is enabled Calibrate the drive trimpots as follows BALANCE BAL The balance setting corrects for a small offset voltage which could be applied to the motor while the drive is in BRAKE mode This voltage may cause the motor shaft to continue to rotate even after the drive and motor have been braked To calibrate BAL 1 Setthe BAL trimpot to the middle of its travel Set the speed adjust potentiometer or analog voltage signal to minimum speed Apply input power 4 Setthe speed adjust potentiometer or analog voltage signal for maximum forward speed The motor should run at maximum speed 5 Setthe RUN BRAKE switch to BRAKE If no switch is installed short the COM and RB terminals of connector TB502 The motor should brake to a stop 37 6 If the motor shaft does not stop but slowly rotates after braking adjust the BAL trimpot either CW or CCW depending on the direction of motor shaft rotation until the motor shaft comes to a stop OFFSET Warning The OFFSET trimpot is used to provide low speed
39. us voltage the BOSS DB 230 regen dump circuit requires a line voltage of 240 VAC Use BOSS DB 115 if line voltage is 120 VAC Installation 21 NRGD DRIVE Minarik Corporation Figure 8 Regen Dump Circuit Connections To NRGD Drives 22 Installation Voltage signal follower connections Instead of using a speed adjust potentiometer to set motor speed the drive may follow a floating isolated 10 to 10 VDC signal Connect the signal input to S2 and signal common to 50 See Figure 9 L TB502 i 50 81 52 53 COM DIR INHIBIT ENBL COM REF Q ISOLATED FLOATING 10 VDC TO 10 VDC VOLTAGE SIGNAL Figure 9 Voltage Follower Connections Installation 23 Jumper settings A Warning Do not change jumper settings with power applied Remove line voltage or disable the drive before changing jumper settings Failure to follow these instructions may result in damage to the drive or motor or serious injury For NRGD05 series jumper locations refer to Figure 10 page 25 For NRGD10 series jumper locations refer to Figure 11 page 26 Tach generator feedback voltage select J501 NOTE This jumper setting is applicable only if J502 and J503 are set for tach generator feedback It is otherwise inoperative Jumper terminals 1 and 2 on J501 as shown if the tach generator voltage range is 7 5 20 volts 1000 RPM Jumper terminals 2 and 3 if the voltage range i
40. ust potentiometer or voltage input signal for maximum forward speed The motor should run at maximum speed 2 Setthe speed adjust potentiometer or voltage input signal for minimum speed and measure the time it takes the motor to go from maximum to minimum speed 3 If the time measured in step 2 is not the desired deceleration time turn the DECEL trimpot CW for a slower deceleration time or CCW for a faster deceleration time Repeat steps 1 through 3 until the deceleration time is correct 44 Calibration LOOP GAIN LOOP A Warning The LOOP trimpot is used to provide additional regulation for certain low horsepower high inductance motors It is unused in most applications and is factory set to zero full CCW Please consult your Minarik representative for more information before adjusting this trimpot If calibration is necessary perform the following procedure 1 Apply input power and set the speed adjust pot to approximately 50 of maximum motor speed If an input signal is used set the signal to approximately 50 of maximum 2 Adjust the LOOP trimpot slowly CW until the motor becomes unsteady under load A hum from the motor may be audible at this point 3 Slowly adjust the LOOP trimpot CCW until the motor stabilizes and the hum if any is quieted At this point the LOOP GAIN trimpot is adjusted to its maximum acceptable setting and should need no further adjustment Calibration sequence conclusion 1 Se
41. xternal heat sink kit part number 223 0363 when the continuous armature current is above 5 amps DC Apply a thermally conductive heat sink compound such as Dow Corning 340 Heat Sink Compound in a thin layer between the drive chassis and heat sink surface for optimum heat transfer 10 Installation Line fusing Protect all Minarik drives with AC line fuses Use fast acting AC line fuses rated for 250 volts and approximately 15096 200 of the maximum armature current Fuse only the hot side of the AC line L1 if using 120 VAC line voltage See Table 1 below for recommended line fuse sizes Table 1 Recommended Line Fuse Sizes 90 VDC Motor 180 VDC Motor Max DC Armature AC Line Horsepower Horsepower Current amps Size amps 1 20 1 10 0 5 2 1 15 1 8 0 8 2 1 8 1 4 1 5 3 1 6 1 3 1 7 5 1 4 1 2 2 5 8 1 3 3 4 3 5 8 1 2 1 5 0 10 3 4 1 1 2 7 5 15 1 2 10 20 Minarik Corporation offers two fuse kits part number 050 0069 3 8A Fuse Kit and 050 0073 5 20 Fuse Kit Installation 11 Speed adjust potentiometer installation A Warning Be sure that the potentiometer tabs do not make contact with the potentiometer enclosure Grounding the input will cause damage to the drive Mount the speed adjust potentiometer through a 0 38 in 10 mm hole with the hardware provided Figure 4 Install the circular insulating disk between the panel and the 10K ohm speed adjust potenti

USER`S MANUAL - Minarik Drives

Contents

Download Pdf Manuals

Related Search

Related Contents