Minarik DC Drives - MMRG Series
Contents
1. Figure 1 Four Quadrant Operation This allows regenerative drives to reverse a motor without contractors or switches to control an overhauling load and to decelerate a load faster than it would to coast to a lower speed Series Section 2 Specifications Maximum Armature Maximum Armature Voltage Armature Current ADC Range VDC Current ADC MMRG31U MMRG31U PCM MMRG30U MMRG30U PCM MMRG40U MMRG40U PCM Heat sink kit part number 223 0159 must be used when the continuous current output is over 5 amps AC Line Voltage 115 or 230 VAC 10 50 60 Hz single phase Acceleration amp Deceleration Time Range 0 5 6 seconds Analog Input Range models signal must be isolated SO to 52 010 10 VDC MMRG PCM models to POS O to 10 VDC Input Impedance 50 to 52 Form Factor Load Regulation 0 5G maximum 0 50 Hz 0 1G maximum gt 50 Hz Ambient Temperature Range Series Section 3 Dimensions 0 99 1251 MMRG 94 1 75 44 a 60 E me 0 96 24 3 80 97 4 30 109 442 1122. Load the motor armature to its full load armature current rating The motor should slow down While keeping the load on the motor rotate the IR COMP trim pot until the motor runs at the speed measured in step 2 If the motor oscillates overcompensation the IR COMP trim pot may be set too high CW Turn the IR COMP trim pot CCW to stabilize the motor 5 Unload the motor See Figure 14 on page 29 for recommended IR COMP settings Series MMRG31U MMRG30U REVERSE FORWARD REVERSE FORWARD TORQUE TORQUE TORQUE TORQUE 1 15 HP e sowo B 91 8 1750 RPM IRCOMP REVERSE FORWARD 0 85 ADC IRCOMP REVERSE FORWARD TORQUE TORQUE TORQUE TORQUE 1 20 HP B B 1750 RPM 0 56 ADC IRCOMP REVERSE FORWARD IRCOMP REVERSE FORWARD TORQUE TORQUE TORQUE TORQUE MMRG40U 0 IRCOMP REVERSE FORWARD TORQUE TORQUE IRCOMP REVERSE FORWARD TORQUE TORQUE 3 4 HP 180 VDC D D 150 RPM 3 8ADC IRCOMP REVERSE FORWARD TORQUE TORQUE Figure 14 Recommended FORWARD TORQUE REVERSE TORQUE and IR COMP Settings actual settings may vary with each application Series Section 7 Application Notes Direction Switch For a Forward Reverse switch use a single pole two position switch with a single spe
3. MMRG SERIES USER MANUAL MMRG30U MMRG30U PCM MMRG31U MMRG31U PCM MMRG40U MMRG40U PCM www minarikdrives com Dear Valued Consumer Congratulations on your purchase of the MMRG Series drive This User Manual was created for you to get the most out of your new device and assist with the initial setup Please visit www minarikdrives com to learn more about our other drives Thank you for choosing Minarik Drives O 2014 Minarik Drives All rights reserved No part of this document may be reproduced or transmitted in any form without written permission from Minarik Drives The information and technical data in this document are subject to change without notice Minarik Drives makes 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 Drives assumes no responsibility for any errors that may appear in this document and makes no commitment to update or to keep current the information in this document Series Safety First SAFETY WARNINGS Text in gray boxes denote important safety tips or warnings 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 El
4. Series Line Fusing Chassis drives should be fused for protection Use fast acting fuses rated for 250 VAC or higher and 150 of maximum armature current Fuse HOT L1 only when the line voltage is 115 VAC Fuse both L1 and L2 when the line fuse is 230 VAC Table 1 lists the recommended fuse sizes Table 1 Recommended Line Fuse Sizes 180 VDC Maximum DC AC Line Motor Armature Current Fuse Size Horsepower amps amps 1 8 Minarik Drives offers fuse kits See Section 9 Accessories and Replacement Parts for fuse kit part numbers Series Connections Do not connect this equipment with power applied Failure to heed this warning may result in fire explosion or serious injury Minarik Drives strongly recommends the installation of master power switch in the voltage input line as shown in Figure 6 page 13 The switch contacts should be rated at a minimum of 200 of motor nameplate current and 250 volts Power Input Connect the AC line power leads to terminals L1 and L2 Minarik Drives recommends the use of a single throw double pole master power switch The switch should be rated at a minimum of 250 volts and 200 of motor current Refer to Figure 6 on page 13 Motor Drives supply motor armature voltage from Al and A2 terminals It is assumed throughout this manual that when Al 15 positive with respect to A2 the motor will rotate clockwise CW while looking at the output shaft pr
5. ALL DIMENSIONS IN INCHES MILLIMETERS Figure 2 MMRG Dimensions Series 3 72 94 1 75 44 LIT 0 96 24 _ 3 80 97 4 30 109 4 42 112 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 3 MMRG PCM Dimensions Series 6 90 175 Ha 6 30 160 5 90 150 gt y 112 3 00 76 1 75 44 3 90 100 El H 44 0 7 18 ES E ALL DIMENSIONS IN INCHES MILLIMETERS Figure 4 223 0159 Dimensions E Series Section 4 Installation Do not install rewire or remove this control with input power applied Failure to heed this warning may result in fire explosion or serious injury Make sure you read and understand the Safety Precautions on page i before attempting to install this product Heat Sinking Models MMRG30U MMRG30U PCM MMRG4OU and MMRG40U PCM require an additional heat sink when the continuous armature c
6. and A2 Reapply power Increase FORWARD TORQUE REVERSE TORQUE setting Check motor load Resize the motor and drive if necessary Adjust the IR COMP setting slightly CCW until the motor speed stabilizes Make sure motor is not undersized for load adjust FORWARD TORQUE REVERSE TORQUE trim pot CW Series Section 9 Accessories amp Replacement Parts Displays Closed Loop Open Loop Kits Potentiometer amp Connector Pot Kit MMRG models Fuse 1 5 5 Amp Fuse Kit 1 8 Amp Fuse Kit with Pico Fuse 3 8 Amp Fuse Kit with Pico Fuse 5 15 Amp Fuse Kit Logic Cards Current Sensing Isolation Cards Unidirectional 8 outputs 202 0082 050 0066 050 0068 050 0069 050 0071 Series Series Unconditional Warranty A Warranty Minarik Drives warrants that its products will be free from defects in workmanship and material for twelve 12 months or 3000 hours whichever comes first from date of manufacture thereof Within this warranty period Minarik Drives will repair or replace at its sole discretion such products that are returned to Minarik Drives 14300 De La Tour Drive South Beloit Illinois 61080 USA This warranty applies only to standard catalog products and does not apply to specials Any returns of special controls will be evaluated on a case by case basis Minarik Drives is not responsible for removal installation or any other
7. bidirectional operation connect the speed adjust potentiometer as shown in Figure 7 c The motor does not operate when the potentiometer is in the center position Turning the potentiometer clockwise CW from the center position causes the motor to rotate in the forward direction while turning the potentiometer counterclockwise CCW causes rotation in the reverse direction REVERSE FORWARD FORWARD REVERSE 2 csn 0512 cw a Unidirectional Forward C Se 2 ne b Unidirectional Reverse Figure 7 Speed Adjust Potentiometer Connections Series Analog Input Signal MMRG models Instead of using a speed adjust potentiometer the drive may be wired to follow an analog input voltage signal that is isolated from earth ground Figure 5 Connect the signal common SO Connect the signal input to S2 A potentiometer can be used to scale the analog input voltage An interface device such as Minarik Drives model PCM4 may be used to scale and isolate an analog input voltage An analog input voltage range of 10 to 10 VDC is required to produce an armature voltage range of 90 to 90 VDC with 115 VAC line voltage or 180 to 180 VDC with 230 VAC line voltage SIGNAL SIGNAL COMMON INPUT DI 6511 0512 ex NOWWO
8. incidental expenses incurred in shipping the product to and from the repair point B Disclaimer The provisions of Paragraph A are Minarik Drives s sole obligation and exclude all other warranties of merchantability for use expressed or implied Minarik Drives 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 Minarik Drives s obligations whether expressed or implied and particularly of any other claim or breach of warranty contained in Paragraph A or of any other warranties expressed or implied or claim of liability that might despite Paragraph B be decided against Minarik Drives by lawful authority Minarik Drives shall under no circumstances be liable for any consequential damages losses or expenses arising in connection with the use of or inability to use Minarik Drives 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 rea
9. part number 201 0024 plug with 18 in 46 cm leads and part number 201 0079 plug with 36 in 91 cm leads 654 OL 501 2502 2503 504 IRCOMP REVERSEFORWARD SPD TORQUE TORQUE Figure 12 Inhibit Terminal Location Series Regenerative Decel to Zero Speed The Run Stop switch shown in Figure 13 may be used to decelerate a motor to a stop Closing the switch between SO and S2 decelerates the motor from a set speed to a stop at a deceleration rate determined by the ACC DEC trim pot Set the switch to the Run position to accelerate the motor to set speed Figure 13 shows the Run Stop switch with a potentiometer wired for bidirectional mode For other possible wiring setups see pages 14 and 30 RUN stop es ee 512 C510 NOWNOS ICBUT Figure 13 Run Stop Switch Series Section 6 Calibration Dangerous voltages exist on the drive when it is powered When possible disconnect the voltage input from the drive before adjusting the trim pots If the trim pots must be adjusted with power applied use insulated tools and the appropriate personal protection equipment BE ALERT High
10. temperature protection If motor over protection is needed in the end use product it needs to be provided by additional equipment in accordance with NEC standards Use 18 24 AWG wire for logic wiring Use 14 16 AWG wire for AC line and motor wiring Series Shielding Guidelines Under no circumstances should power and logic level leads be bundled together Induced voltage can cause unpredictable behavior in any electronic device including motor controls As a general rule Minarik Drives recommends shielding of all conductors If it is not practical to shield power conductors it is recommended to shield all logic level leads If shielding of all logic level leads 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 PLL velocity controllers must be separated from power lines in the same manner as the logic I O on this drive
11. voltages can cause serious or fatal injury WARNING series drives have user adjustable trim pots Each drive is factory calibrated to its maximum current rating Readjust the calibration trim pot settings to accommodate lower current rated motors All adjustments increase with CW rotation and decrease with CCW rotation Use a non metallic screwdriver for calibration Each trim pot is identified on the printed circuit board Series Maximum Speed MAX SPEED The MAX SPD setting determines the maximum motor speed when the speed adjust potentiometer or input voltage signal is set for maximum speed To calibrate MAX SPD Set the MAX SPD trim pot full CCW Set the speed adjust potentiometer or input voltage signal for maximum speed Adjust MAX SPD until the desired maximum speed is reached Acceleration and Deceleration ACC DEC The ACC DEC trim pot setting determines the time the motor takes to accelerate to a higher speed or decelerate to a lower speed in the forward or reverse directions within the limits of available torque Turn the ACC DEC trim pot CW to increase the acceleration and deceleration time or CCW to decrease the acceleration and deceleration time The ACC DEC setting is factory set for its fastest forward acceleration and deceleration rate full CCW Series Forward Torque FORWARD TORQUE FORWARD TORQUE should be set to 120 of motor nameplate current rat
12. IBIT TERMINALS Figure 22 RUN JOG Switch Inhibit Connection Series RUN JOG Switch Potentiometer Connection Connect the RUN JOG switch and the JOG pushbutton as shown in Figure 23 When the RUN JOG switch is set to JOG the motor decelerates to zero speed Press the JOG pushbutton to jog the motor Return the RUN JOG switch to RUN for normal operation S1 or S3 52 10K OHM SPEED ADJUST POTENTIOMETER JOG JOG PUSHBUTTON Figure 23 RUN JOG Switch Speed Adjust Potentiometer Connection Series Leader Follower Application In this application use a PCM4 to monitor the speed of the leader motor Figure 24 The PCM4 isolates the leader motor from the follower drive and outputs a voltage proportional to the leader motor armature voltage The follower drive uses this voltage reference to set the speed of the follower motor An optional ratio potentiometer may be used to scale the PCM4 output voltage 52 PCM4 01 Follower Drive TB502 1 Ohm optional Figure 24 Leader Follower Application Series Single Speed Potentiometer Control Of Multiple Drives Multiple drives can be controlled with a single speed adjust potentiometer using a USIM 8 at the input of each drive to provide isolation Figure 25 Optional ratio potentiometers can be used to scale the USIM 8 output voltage allowi
13. Line Frequency Select SW501 Set the line frequency select switch to 60 HZ if the line frequency is 60 Hz or to 50 HZ if the line frequency is 50 Hz See Figure ES 2502 503 504 Sie 8 a S IRCOMP REVERSEFORWARD SPD TORQUE TORQUE Figure 11 Line Frequency Switch Location Series Startup Turn the speed adjust potentiometer or input voltage signal to minimum speed Apply AC line voltage Slowly advance the speed adjust potentiometer clockwise CW or increase the input voltage signal The motor slowly accelerates as the potentiometer is turned CW or as the input voltage signal is increased Continue until the desired speed is reached Remove AC line voltage from the drive to coast the motor to a stop Series Starting and Stopping Methods Regenerative braking coasting to a stop or decelerating to minimum speed 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 lines is the only acceptable method for emergency stopping For this reason Minarik Drives strongly recommends installing an emergency stop switch on both AC line in
14. O Figure 8 MMRG Analog Input Signal Connections Series Analog Input Signal MMRG PCM models Instead of using a speed adjust potentiometer the drive may be wired to follow an analog input voltage signal that is isolated or non isolated Figure 5 Connect the signal common to terminal COM Connect the signal input to terminal POS A potentiometer can be used to scale the analog input voltage Connections can be made to either the spade plug terminals or to cage clamp terminal TB501 An analog input voltage range of 10 to 10 VDC is required to produce an armature voltage range of 90 to 90 VDC with 115 VAC line voltage or 180 to 180 VDC with 230 VAC line voltage DIR SWITCH OPEN OR CLOSE CHANGE DIRECTION fo VOLTAGE SIGNAL PARALLEL TB501 Figure 9 MMRG PCM Analog Input Signal Connections Series 15 and 15 Do not short the 15 and 15 terminals for any reason Shorting these terminals will damage the drive series drives can supply a regulated 15 and 15 VDC signal each sourcing 15 mA maximum with respect to SO to isolated external devices See Figure 10 for voltage supply terminal locations gt o Figure 10 15 and 15 Terminal Lo
15. assistance The REVERSE TORQUE setting determines the maximum torque for accelerating and driving the motor in the reverse direction To calibrate REVERSE TORQUE refer to the recommended REVERSE TORQUE settings in Figure 14 on page 29 or use the following procedure With the power disconnected from the drive connect a DC ammeter in series with the armature Set the REVERSE TORQUE trim pot to minimum full CCW Set the speed adjust potentiometer full CW or input voltage signal to maximum speed Carefully lock the motor armature Be sure that the motor is firmly mounted Apply line power The motor should be stopped Slowly adjust the REVERSE TORQUE trim pot CW until the armature current is 120 of motor rated armature current Turn the speed adjust potentiometer CCW or decrease the input voltage signal Remove line power Remove the stall from the motor Remove the ammeter in series with the motor armature if it is no longer needed Series IR Compensation IR COMP The IR COMP setting determines the degree to which motor speed is held constant as the motor load changes Use the following procedure to recalibrate the IR COMP setting 1 Set the IR COMP trim pot to minimum full CCW 2 Increase the speed adjust potentiometer or input voltage signal until the motor runs at midspeed without load for example 900 RPM for an 1800 RPM motor A handheld tachometer may be used to measure motor speed
16. cations Direction Switch MMRG PCM models A single pole single throw switch can be used as a reversal switch Connect the switch to terminals COM and DIR Close the switch to reverse the motor Open the switch to return the motor back to it s original direction Connections can be made to the spade terminals or to cage clamp terminal TB501 Refer to Figure 9 on page 16 Series Section 5 Operation Change voltage switch settings only when the drive is disconnected from AC line voltage Make sure both switches are set to their correct position If the switches are improperly set to a lower voltage position the motor will not run at full voltage and may cause damage to the transformer If the switches are improperly set to a higher voltage position the motor will overspeed which may cause motor damage or result in bodily injury or loss of life Dangerous voltages exist on the drive when it is powered BE ALERT High voltages can cause serious or fatal injury For your safety use personal protective equipment PPE when operating this drive If the motor or drive does not perform as described disconnect the AC line voltage immediately Refer to the Troubleshooting section page 39 for further assistance Before Applying Power 1 Verify that no foreign conductive material is present on the printed circuit board Ensure that all switches are properly set Series Select Switches
17. ectrical Code and all other applicable electrical and safety codes including the provisions of the Occupational Safety and Health Act OSHA when installing equipment Reduce the chance of an electrical fire shock or explosion by using proper grounding techniques 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 AN component failure Minarik Drives strongly recommends the installation of a master switch in the main power input to stop the drive in an emergency Circuit potentials are at 115 VAC or 230 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 trim pots Use approved personal protective equipment and insulated tools if working on this drive with power applied Series Table of Contents Section 1 Regenerative Drives Section 2 Specifications Section 3 Dimensions Section 4 Installation Heat Sinking Mounting Speed Adjust Potentiometer Power Inputs Motor Speed Adjust Potentiometer Analog Input Signal MMRG models Analog Input Signal MMRG PCM models 15 and 15 Direction Switch MMRG PCM models Section 5 Operation Before Applying Power Select Switches Line Frequency Select SW501 Startup Sta
18. ed adjust potentiometer to regeneratively reverse the motor Figure 15 If a Forward Stop Reverse switch is desired use single pole three position switch Figure 16 The MIN SPD setting is in effect for either direction 10K OHM SPEED 10K OHM SPEED POTENTIOMETER POTENTIOMETER Figure 15 Figure 16 Forward Reverse Switch Forward Stop Reverse Switch Series Multiple Fixed Speeds Replace the speed adjust potentiometer with a series of resistors with a total series resistance of 10K ohms Figure 17 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds S1 or S3 g TOTAL SERIES e RESISTANCE R3 10K OHMS R4 Figure 17 Multiple Fixed Speeds Series Adjustable Speeds Using Potentiometers In Series Replace the speed adjust potentiometer with a series of resistors with a total series resistance of 10K ohms Figure 18 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds 51 CW 5K OHM Figure 18 Adjustable Speeds Using Potentiometers In Series Series Independent Adjustable Speeds Replace the speed adjust potentiometer with a single pole multi position switch and two or more potentiometers in parallel with a total parallel resistance of 10K ohms Figure 19 show
19. ing Continuous operation beyond this rating may damage the motor If you intend to operate beyond the rating WARNING e A contact your Minarik Drives representative for assistance The FORWARD TORQUE setting determines the maximum torque for accelerating and driving the motor in the forward direction To calibrate FORWARD TORQUE refer to the recommended FORWARD TORQUE settings in Figure 14 on page 29 or use the following procedure With the power disconnected from the drive connect a DC ammeter in series with the armature Set the FORWARD TORQUE trim pot to minimum full CCW Set the speed adjust potentiometer full CW or input voltage signal to maximum speed Carefully lock the motor armature Be sure that the motor 15 firmly mounted Apply line power The motor should be stopped Slowly adjust the FORWARD TORQUE trim pot CW until the armature current is 120 of motor rated armature current Turn the speed adjust potentiometer CCW or decrease the input voltage signal Remove line power Remove the stall from the motor Remove the ammeter in series with the motor armature if it is no longer needed Series Reverse Torque REVERSE TORQUE REVERSE TORQUE should be set to 120 of motor nameplate current rating Continuous operation beyond this rating may damage the motor If you intend to operate beyond the rating WARNING a contact your Minarik Drives representative for
20. mote potentiometer with a chassis drive mount the speed adjust potentiometer through a 0 38 in 10 mm hole with the hardware provided Figure 5 Install the circular insulating disk between the panel and the 10K ohm speed adjust potentiometer Twist the speed adjust potentiometer wire to avoid picking up unwanted electrical noise If the speed adjust potentiometer wires are longer than 18 in 46 cm use shielded cable Keep the speed adjust potentiometer wires separate from power leads L1 L2 A1 A2 MOUNT THROUGH A 0 38 IN 10 MM HOLE NUT STAR WASHER SPEED ADJUST POTENTIOMETER INSULATING DISK POT TAB ASSIGNMENTS PANEL Figure 5 Speed Adjust Potentiometer Series Do not install rewire or remove this control with input power applied Failure to heed this warning may result in fire explosion or serious injury Circuit potentials are at 115 or 230 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 any one motor lead while the drive is running may destroy the drive This product does not have internal solid state motor overload protection It does not contain speed sensitive overload protection thermal memory retention or provisions to receive and act upon signal from remote devices for over
21. ng independent control of each drive ratio pot A optional 10K Ohms 10K Ohms ratio pot B optional 10K Ohms ratio pot H optional 10K Ohms Figure 25 Single Speed Potentiometer Control of Multiple Drives Series Section 8 Troubleshooting Dangerous voltages exist on the drive when it is powered When possible disconnect the drive while troubleshooting High voltages can cause seroius or fatal injury Before Troubleshooting Perform the following steps before starting any procedure in this section Disconnect AC line voltage from the drive Check the drive closely for damaged components Check that no conductive or other foreign material has become lodged on the printed circuit board Verify that every connection is correct and in good condition Verify that there are short circuits or grounded connections Check that the drive s rated armature is consistent with the motor ratings For additional assistance contact your local Minarik Drives distributor or the factory direct 800 MINARIK or FAX 800 394 6334 Series PROBLEM Line fuse blows Line fuse does not blow but the motor does not run Drive is not receiving AC line Motor cable or armature is shorted to ground Nuisance tripping caused by a combination of ambient conditions and high current spikes i e reversing Speed adjust potentiome
22. otruding from the front of the motor If the motor does not spin in the desired direction remove power and reverse the 1 and A2 connections Connect a DC motor to terminals 1 and A2 as shown in Figure 6 on page 13 Ensure that the motor voltage rating is consistent with the drive s output voltage Series Ole 2 50 GROUND EARTH O Add fuse to L2 with 230 VAC input only 115 VAC 90 VDC MOTOR MMRG30U MMRG30U PCM MMRG31U MMRG31U PCM MUROS TU OR OR 230 VAC 180 VDC MOTOR MMRG40U MMRG40U PCM MMRG40U Master Power Switch oo Figure 6 Power and Motor Connections Series Speed Adjust Potentiometer Use a 10K ohm 1 4 W potentiometer for speed control The motor can operate in one direction unidirectional or two directions bidirectional depending on how the speed adjust potentiometer is connected to the drive For unidirectional operation in the foward direction connect the speed adjust potentiometer as shown in Figure 7 a For unidirectional operation in the reverse direction connect the speed adjust potentiometer as shown in Figure 7 b For
23. puts see Figure 6 on page 13 WARNING Frequent starting and stopping can produce high torque This may cause damage to motors especially gearmotors that are not properly sized for the application Automatic Restart Upon Power Restoration All drives automatically run to set speed when power is applied the Start Stop circuitry is closed and the Run Brake switch is opened Line Starting and Stopping Line starting and stopping applying and removing AC line voltage is recommended for infrequent starting and stopping of a drive only When AC line voltage is applied to the drive the motor accelerates to the speed set by the speed adjust potentiometer or analog signal When AC line voltage is removed the motor coasts to a stop Series Regenerative Brake to Zero Speed Short the INHIBIT terminals to regeneratively brake the motor to zero speed see Figure 12 The inhibit bypasses both the MIN SPD trim pot and the deceleration rate set by the FWD ACC or REV ACC trim pots Open the INHIBIT terminals to accelerate the motor to set speed Twist inhibit wires and separate them from power carrying wires or sources of electrical noise Use shielded cable if the inhibit wires are longer than 18 inches 46 cm If shielded cable is used ground only one end of the shield to earth ground Do not ground both ends of the shield Minarik Drives offers two accessory plug harnesses for connecting to the INHIBIT terminals
24. rting and Stopping Methods Line Starting and Stopping Regenerative Brake to Zero Speed Regenerative Decel to Zero Speed Section 6 Calibration Maximum Speed MAX SPD Acceleration and Deceleration ACC DEC Series Forward Torque FORWARD TORQUE Reverse Torque REVERSE TORQUE Deadband IR Compensation IR COMP Section 7 Application Notes Direction Switch Multiple Fixed Speeds Adjustable Speeds Using Potentiometers In Series Independent Adjustable Speeds Independent Adjustable Forward and Reverse Speeds RUN JOG Switch Inhibit Connection RUN JOG Switch Potentiometer Connection Leader Follower Application Single Speed Potentiometer Control Of Multiple Drives Section 8 Troubleshooting Before Troubleshooting Section 9 Accessories amp Replacement Parts Series List of Tables Table 1 Recommended Line Fuse Sizes Series List of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Four Quadrant Operation MMRG Dimensions MMRG PCM Dimensions 223 0159 Dimensions Speed Adjust Potentiometer Power and Motor Connections Speed Adjust Potentiometer Connections MMRG Analog Input Signal Connections MMRG PCM Analog Input Signal Connections 15 and 15 Terminal Loca
25. s the connection of two independent speed adjust potentiometers that can be mounted at two separate operating stations SPEED 2 20K OHMS SPEED 1 20K OHMS SPEED 1 SPEED 2 Figure 19 Independent Adjustable Speeds Series Independent Adjustable Forward and Reverse Speeds Replace the speed adjust potentiometer with a single pole multi position switch and two or more potentiometers in parallel with a total parallel resistance of 10K ohms Figures 20 and 21 show the connection of two independent forward and reverse speed adjust potentiometers that can be mounted at two separate operating stations REV REV 10K OHMS 10K OHMS FWD FWD 10K OHMS 10K OHMS Figure 20 Independent Adjustable Figure 21 Independent Adjustable Forward and Reverse Speeds Forward and Reverse Speeds with Stop Series RUN JOG Switch Inhibit Connection Use a single pole two position switch for the RUN JOG switch and a single pole normally closed momentary operated pushbutton for the JOG pushbutton Connect the RUN JOG switch and JOG pushbutton to the inhibit terminals as shown in Figure 22 The motor coasts to a stop when the RUN JOG switch is set to JOG Press the JOG pushbutton to jog the motor Return the RUN JOG switch to RUN for normal operation JOG PUSHBUTTON RUN pe A JOG O INH
26. son any of the foregoing provisions shall be ineffective Minarik Drives 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 Minarik Drives 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 www minarikdrives com 14300 DE LA TOUR DRIVE SOUTH BELOIT IL 61080 800 MINARIK 250 0240 Rev 7
27. ter or input voltage signal is set to zero speed voltage Motor is not connected SUGGESTED SOLUTIONS Check that the line fuse is correct for the motor size Check motor cable and armature for shorts Add a blower to cool the drive components decrease FORWARD TORQUE REVERSE TORQUE settings resize motor and drive for actual load demand or check for incorrectly aligned mechanical components or jams See pages 26 or 27 for information on adjusting the FORWARD TORQUE REVERSE TORQUE trim pot Increase the speed adjust potentiometer setting or input voltage signal Remove the short from the inhibit terminals Verify that the motor is not jammed Increase FORWARD TORQUE REVERSE TORQUE setting if set too low Remove power Connect the motor to Al and A2 Reapply power PROBLEM Motor does pd Noise on logic wires stop when the speed adjust potentiometer is full CCW Motor connections to and A2 are reversed Motor runs in the opposite direction Motor runs too fast Motor will not reach the desired speed FORWARD TORQUE REVERSE TORQUE setting is Motor pulsates or surges under load Motor bouncing in and out of current limit Series SUGGESTED SOLUTIONS Place a 01 uF capacitor across terminals SO and 52 Remove power Reverse connections to
28. tions Line Frequency Switch Location Inhibit Terminal Location Run Stop Switch Recommended FORWARD TORQUE REVERSE TORQUE and IR COMP Setting Forward Reverse Switch Forward Stop Reverse Switch Multiple Fixed Speeds Adjustable Speeds Using Potentiometers in Series Independent Adjustable Speeds Independent Adjustable Forward and Reverse Speeds Independent Adjustable Forward and Reverse Speeds with RUN JOG Switch Inhibit Connection RUN JOG Switch Speed Adjust Potentiometer Connection 36 Leader Follower Application Single Speed Potentiometer Control of Multiple Drives Series Section 1 Regenerative Drives Most non regenerative variable speed DC drives control current flow to a motor in one direction The direction of current flow is the same direction as the motor rotation Non regenerative drives Quadrant Quadrant operate in Quadrant Quadrant III Quadrant IV and also in Quadrant III if the drive is reversible see Figure 1 Motors must stop before reversing direction Unless dynamic braking is used non regenerative drives cannot decelerate a load faster than coasting to a MOTOR MOTOR lower speed ROTATION TORQUE A NOTE ARROWS IN SAME DIRECTION MOTOR ACTION Regenerative drives Operate ARROWS IN OPPOSITE DIRECTION REGENERATIVE ACTION in two additional quadrants Quadrant Il and Quadrant IV In these quadrants motor torque is in the opposite direction of motor rotation
29. urrent is above 5 amps Use Minarik Drives heat sink kit part number 223 0159 All other chassis drives have sufficient heat sinking in their basic configuration Use a thermally conductive heat sink compound such as Dow Corning 340 Heat Sink Compound between the chassis and the heat sink surface for optimum heat transfer Series Mounting e Drive components are sensitive to electrostatic discharge Avoid direct contact with the circuit board Hold the drive by the heat sink only Protect the drive from dirt moisture and accidental contact Provide sufficient room for access to the terminals and calibration trim pots 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 the drive with its board in either a horizontal or vertical plane Eight 0 19 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 should be earth grounded Use a star washer beneath the head of at least one of the mounting screws to penetrate the anodized surface and to reach bare metal Series Speed Adjust Potentiometer Be sure that the potentiometer tabs do not make contact with the potentiometer s body Grounding the input will cause damage to the drive If using a re
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