USER`S MANUAL
Contents
1. 137 352 Leg 30 su TWO 0 59 13 KNOCKOUTS All dimensions in inches mm Figure 2 MM21151C Dimensions Dimensions i e dimensions in inches mm Figure 3 MM21251C Dimensions Installation AVOID KEEP AVOID HAZARD HEAT DRY VIBRATION Drive mounting General Drive components are sensitive to electrostatic fields Avoid direct contact with the circuit board Hold the 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 Drive mounting Chassis drives Mount the drive with its board in either a horizontal or vertical plane Eight 0 188 inch 4 8 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 drive must be earth grounded for noise suppression Connect earth ground to the earth ground terminal on the drive s bottom board see Connections 6 Installation Drive mounting Cased drives Cased drives come with 0 88 inch 22 mm conduit holes at the bottom of the case The units may be vertically wall mounted or horizontally bench mounte2. 4 Pl 10KQ 7 4 51 2 501 502 6 2 ratio pot B 40 optional 1 10KO 8 4 52 Drive Motor 7 1 51 2 501 TB502 Figure 22 Single Speed Potentiometer Control of Multiple Drives 36 Functional Diagrams LZININ pue OLSELZININ OLSOLZININ anbi Functional Diagrams 37 TO SUMMING JUNCTION TO POWER BRIDGE TO POWER BRIDGE 51 53 52 POWER SUPPLY TO POWER SUPPLY TO POWER SUPPLY Figure 24 MM21151C switching circuit connections 38 Functional Diagrams TO SUMMING JUNCTION TO POWER BRIDGE TO POWER BRIDGE 1 51 53 52 POWER SUPPLY POWER SUPPLY POWER SUPPLY Figure 25 MM21251C switching circuit connections 39 Troubleshooting A Warning Dangerous voltages exist on the drive when it is powered When possible disconnect the drive while troubleshooting Be alert High voltages can cause serious or fatal injury Check the following steps before proceeding 1 The AC line voltage must match the voltage on the drive nameplate and be balanced 2 The motor must be rated for the drive s rated armature all motors and field outputs shunt wound motors only 3 Do not make any connections to and F2 when using a permanent magnet motor 4 Terminal block connections should be consistent with the connections shown in this manual 5 Che
3. 33 Leader Follower application usse aa e iresi 34 Single speed potentiometer control of multiple drives 35 Functional Diagrams 36 Troubleshooting 39 Certificate of Compliance CE Mark 40 Replacement Parts 43 Limited Warranty inside back cover Specifications Maximum AC Line Armature Voltage Current Single Phase Model Amps DC HP Range 50 60 Hz 21 51 2 7 1 20 1 4 115VAC 5 10 Armature Voltage 115 VAC Input 0 130VDC Form Factor 1 05 at base speed Field Voltage 50 VDC F1 to L1 100 VDC F1 to F2 Max Field Current 1 ADC Accel Time Range 0 130 VDC Armature Voltage 0 5 7 seconds Decel Time Range 0 130VDC Armature Voltage 0 5 7 seconds Analog Input Voltage Range 0 130VDC Armature Voltage 0 5 7 VDC Input Impedance 51 to 52 45KQ Load Regulation 3 of base speed or better Ambient Temp Range MM21051C 10 C 55 C MM21151C MM21251C 10 40 Vibration 0 5 max 20 50 Hz 0 1 max gt 50 Hz Weight 21051 2 1 Ib 953 9 21151 21251 3 3 Ib 1 5 kg Style MM21051C chassis MM21151C MM21251C NEMA 1 Isolated terminals 51 to S2 Dimensions All dimensions inches mm Figure 1 MM21051C Dimensions Dimensions Aeros AY 20000 5 Abies Corporation 475
4. Using CE approved wiring practices like proper shielding and the filters listed in this section guarantee the drive will meet EN55011 1991 emissions standard and EN50082 1 1992 immunity standard 47 Replacement Parts Replacement parts are available form Minarik Corporation and its distributors for this drive series Table 5 Replacement Parts Model No Symbol Description Minarike P N MM21051C CT 525mF 250VDC filter cap 011 0031 D1 D3 600 V 20 A power diode 071 0029 Fuse 8A 3AB 050 0023 MOV 130V 10A surge suppressor 075 0002 RI 0 2 ohm 5W feedback resistor 032 0015 SCRI SCR2 600V 20A SCR 072 0017 3FS 324 001 transformer 230 0084 x Choke 240 0006 10K ohm potentiometer kit 202 0003 MM21151C Same parts as MM21051C except C7 C9 220mF 200V capacitor 011 0069 Pilot Lamp 040 0035 P7 Speed adjust potentiometer 120 0031 SWI DPDT toggle switch 080 0009 Potentiometer Knob 140 0013 21251 Same as 21151 except SW1 SW3 DPDT toggle switch 080 0009 48 Notes Limited Warranty A Warranty Minarik Corporation referred to as the Corporation warrants that this product will be free from defects in workmanship and material for one 1 year or 3 000 hours whichever comes first from date of shipment thereof Within this warranty period the Corporation will repair or replace such products that are 1 returned to Minarik Corporation 901 East Thompson Avenue Glendale CA 91201 2011 USA and
5. 2 determined by the Corporation to be defective This warranty shall not apply to any product that has been subject to misuse negligence or accident or misapplied or repaired by unauthorized persons or improperly installed 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 breech of any of the Corporation s obligations whether express or implied and particularly of any other 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 whatsoeve
6. Number Description 201 0024 Inhibit plug with 18 in 46 cm wires 201 0079 Inhibit plug with 36 in 91 cm wires Twist inhibit wires and separate them from other power carrying wires or sources of electrical noise Use shielded cable if the inhibit wires are longer than 18 in 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 Fig 10 Inhibit Circuit Connections MM21051C only 20 Operation Decelerating to minimum speed The circuit shown in Figure 11 may be used to decelerate a motor to a minimum speed Closing the switch between S1 and 52 decelerates the motor from set speed to a minimum speed determined by the MIN SPD trimpot setting If the MIN SPD trimpot is set full CCW the motor decelerates to zero speed when the switch between 51 and 52 is closed DECEL trimpot setting determines the rate at which the drive decelerates By opening the switch the motor accelerates to set speed at a rate determined by the ACCEL trimpot setting Figure 11 Run Decelerate to Minimum Speed Switch Operation 21 Dynamic braking Dynamic braking may be used to rapidly stop a motor Figure 12 For the RUN BRAKE switch use a three pole two position switch rated for at least 125 VDC 6 Amps The dynamic braking resistor should be ceramic encased and a minimum of 25Q 10 watts The motor stops less rapidly with higher brake resistor values Warning
7. one of two categories 1 The Consumer will deploy a stand alone unit as an integral yet external portion of the machine he she is operating 2 The Original Equipment Manufacturer OEM will implement the product as a component of the machine being manufactured 44 Certificate of Compliance Mark Conditions of CE approval In addition to EMI RFI safeguards inherent in the MM21151C and MM21251C designs external filtering is required Minarik requires the Corcom filters listed in Table 4 If the exact filter is not available the specifications are as follows L 1 73 0 03 milliHenries C 0 27 0 54 microFarads X 0 0055 microFarads Y R 330 Kohms Rated current 1 4 times maximum DC motor current Filter type Balanced 2 section Table 4 Corcom Filters Nameplate Current of Motor Wired to the Drive Corcom Part Number 0 to 4 amps 6VV1 4 1 to 13 amps 20VV1 The filters in Table 4 should be wired to the AC line within 0 25 meters of the drive The ground connection from the filter must be wired to solid earth ground resistance less than 500 ohms not machine ground This is very important If the end user is using a CE approved motor the correct filter from Table 4 is all that is necessary to meet the EMC directives listed herein Certificate of Compliance CE Mark 45 If the end user is not using a CE approved motor a second filter on the output must
8. power and logic leads for any length A 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 A 4 Under no circumstances should power and logic leads be bundled together Induced voltage can cause unpredicatable behavior any electronic device including motor controls 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 Installation 9 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 A 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 may destroy the drive Heat sinking All 21 5 drives have sufficient heat sinking in their basic configurations No additional heat sinking is required Line fuses All drives have line fuses installed see Replacement Parts section for installed line fuse size Line fuses are rated for maximum rated horsepower Fuse L1 when using 115 VAC line voltage Table 2 Recommended Line Fuse Sizes F
9. the front of the motor If this is opposite of the desired rotation simply reverse the wiring of 1 and A2 with each other MOTOR NOTE DO NOT OC FIELD COILS IF USING A OUTPUT PERMANENT 2 COILS MAGNET MOTOR x 115 VAC T INPUT gt 9 EARTH e GROUND Figure 6 MM21151C and MM21251C Connections Installation 13 Screw terminal block Connections to these drives are made to a screw terminal block Figure 7 The chassis model MM21051C has 9 screws on the terminal block The cased models MM21151C and MM21251C have 7 screws on the terminal block Using a screwdriver turn the terminal block screw counter clockwise to open the wire clamp Insert stripped wire into the wire clamp Turn the terminal block screw clockwise to clamp the wire Terminal Block Screw Wire Clamp Figure 7 Screw Terminal Block 14 Installation Speed adjust potentiometer installation Speed adjust potentiometers are pre installed on all cased drives On chassis drives install the circular insulating disk between the panel and the 10 speed adjust potentiometer Mount the speed adjust potentiometer through a 0 38 inch 0 96 cm hole with the hardware provided see Figure 8 Twist the speed adjust potentiometer wires to avoid picking up unwanted electrical noise If potentiometer leads are longer than 18 inches 46 cm use shielded cable Do not bundle potentiometer wires
10. with AC power leads Warning Be sure that the potentiometer tabs do not make contact with the panel Grounding the input will cause damage to the drive MOUNT THROUGH A 0 38 IN 10 MM HOLE za NUT STAR WASHER SPEED ADJUST POTENTIOMETER POT TAB ASSIGNMENTS 7 INSULATING DISK PANEL Figure 8 Speed Adjust Potentiometer Installation 15 Voltage follower 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 9 Connect the signal input to 52 Connect the signal common to 51 Make no connection to 53 A potentiometer can be used to scale the analog input voltage To achieve isolation use an interface device such as Minarik model PCM4 to scale the analog input voltage Figure 9 Voltage Follower Connections 16 Operation Before applying power 1 Check connections before applying AC line voltage to the drive 2 Check that no conductive material is present on the printed circuit board Startup MM21051C 1 Turn the speed adjust potentiometer full counterclockwise CCW 2 Apply AC line voltage 3 Slowly advance the speed adjust potentiometer clockwise CW The motor slowly accelerates as the potentiometer is turned CW Continue until the desired speed is reached 4 Remove AC line voltage from the drive to coast the m
11. 0Kohm 20K ohm S1 Figure 17 Independent Adjustable Speeds Application Notes 31 RUN JOG switch Using a RUN JOG switch is recommended in applications where quick stopping is not needed and frequent jogging is required 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 In the first wiring option connect the RUN JOG switch and JOG pushbutton to the inhibit plug as shown in Figure 18 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 JOG INHIBIT Figure 18 RUN JOG Switch Connection to Inhibit Plug 32 Application Notes In the second wiring option connect the RUN JOG switch and the JOG pushbutton as shown is Figure 19 When the RUN JOG switch is set to JOG the motor decelerates to minimum speed minimum speed is determined by the MIN SPD trimpot setting Press the JOG pushbutton to jog the motor Return the RUN JOG switch to RUN for normal operation 3 52 10 s JOG JOG PUSHBUTTON Figure 19 RUN JOG Switch Connection to Speed Adjust Potentiometer Application Notes 33 Reversing A dynamic brake may be used when reversing the motor direction Figure 20 For the RUN BRAKE switch use a four pole three position swit
12. USE SIZE AMPS MOTOR HP 115VAC INPUT 1 20 5 1 8 8 1 4 8 10 Installation Field output The field output is for shunt wound motors only Do not make any connections to F1 and F2 when using a permanent magnet motor Use 16 AWG wire to connect the field output to a shunt wound motor Table 1 lists the field output connections Table 1 Field Output Connections Approximate Connect Motor Field Voltage VDC Field To 50 and L1 100 F1 and F2 Installation 11 Connections MM21051C ASSUMPTIONS Minarik drives supply motor voltage from Al and A2 terminals It is assumed throughout this manual that when 1 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 1 and A2 with each other L l MOTOR NOTE DO NOT CONNECT FIELD FIELD COILS IF USING OUTPUT PERMANENT MAGNET MOTOR COILS SPD ADJ POT 10K OHMS 115 INPUT STOP SWITCH Figure 5 MM21051C Drive Connections 12 Installation Connections MM21151C and MM21251C ASSUMPTIONS Minarik drives supply motor voltage from A and A2 terminals It is assumed throughout this manual that when 1 is positive with respect to A2 the motor will rotate clockwise CW while looking at the output shaft protruding from
13. USER S MANUAL SCR Filtered Series Filtered SCR Adjustable Speed Drives for DC Brush Motors Miodels MM271051C MM21151C MM2171251C Automation In ari 3 Control Copyright 1998 by Minarik Corporation All rights reserved No part of this manual may be reproduced or transmitted in 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 A X X SHOCK AVOID KEEP AVOID HAZARD HEAT DRY VIBRATION This symbol A denotes an important safety tip or warning Please read these sections carefully prior to performing any of the instructions contained in that section Have a qualified electrical maintenance 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 Reduce the chance of an electrical fi
14. Wait for the motor to completely stop before switching back to RUN This will prevent high armature currents from damaging the motor or drive Certain Minarik drives coast to minimum speed when the inhibit terminals are shorted to each other IR COMP and TORQUE are still active while the drive is in the inhibit mode For frequent starts and stops use coasting to a stop shorting inhibit terminal to each other MM21051C only decelerating to minimum speed shorting S2 and S1 to each other or dynamic braking 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 NOTE Model 21251 is equipped with dynamic braking 22 Operation Al A2 RUN Dynamic MOTOR Brake BRAKE Resistor INHIBIT Figure 12 Dynamic Braking Circuit Connection 23 Calibration Each drive is factory calibrated to its maximum horsepower rating Readjust the calibration trimpot settings to accommodate lower horsepower motors All adjustments increase with CW rotation and decrease with CCW rotation Use a non metallic screwdriver for calibration Each trimpot is identified on the printed circuit board 21051 21151 21251 Figure 13 Calibration Trimpot Layout 24 Calibration MIN SPD The MIN SPD setting determines the minimum speed when the speed adj
15. ature circuit and will damage the drive and or motor 18 Operation Line starting and line stopping Line starting and line 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 When AC line voltage is removed the motor coasts to a stop Automatic restart upon power restoration All drives automatically run to set speed when power is applied Wiring a latching relay into the AC line is one way to prevent automatic restarting following a power outage Inhibit circuit MM21051C ONLY Maintaining a connection between the inhibit pins causes the motor to coast to zero speed Removing the connection between the inhibit pins allows the motor to accelerate to the speed set by the speed adjust potentiometer Figure 10 Warning The inhibit circuit is used for frequent starts and stops It must never be used as an emergency stop It may not stop a drive that is malfunctioning Removing AC line power both L1 and L2 is the only acceptable method for emergency stopping Minarik strongly recommends the installation of a STOP START switch for emergency stopping Operation 19 Inhibit terminal accesories Minarik Corporation offers two accessory plug harnesses for the INHIBIT terminals Table 3 Inhibit plug part numbers Minarik Part
16. be deployed It is Minarik s CEXXMM XX the rated current of the filter The CE20MM is a Real Pole Balanced Pi 3 pole filter If the exact filter is not available the specifications are as follows L amp L1 2 0 8 milliHenries C amp Cl 2 0 1 microFarads 400W VDC Rin 0 1 ohm Rout 1 2 ohm Table 5 Minarik Filters Nameplate Current of Motor Wired to the Drive Minarik Part Number 0 to 4 amps CE4MM 4 1 to 13 amps CE20MM The filters in Table 2 must be wired to the DC output of the drive as close to the drive as possible The ground connection from the filter must be wired to solid earth ground resistance less than 500 ohms not machine ground This is very important The end user must use the filtration listed in this section to comply with CE The OEM may choose to provide alternative filtering that encompasses the Minarik drive and other electronics within the same panel 46 Certificate of Compliance CE Mark The OEM has this liberty because CE is a machinery directive Whether or not every component in the OEM s machinery meets CE the OEM must still submit his machine for CE approval Thus no component must necessarily meet CE within the machine as long as the OEM takes the necessary steps to guarantee the machine does meet CE By the same token even if every component in the OEM s machine does meet CE the unit may not necessarily meet CE as a machine
17. ch rated for at least 125 VDC 6 Amps The dynamic braking resistor should be ceramic encased and a minimum of 25Q 10 watts The motor stops less rapidly with higher brake resistor values Wait for the motor to stop completely before switching it to either the forward or reverse direction A1 A2 FWD once Brake Resistor REV o MOTOR Figure 20 Reversing Diagram 34 Application Notes Leader Follower application In this application use a PCM4 to monitor the speed of the leader motor Figure 21 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 1 Follower Motor 8 4 Q1 drive 51 1 10 optional Figure 21 Leader Follower Application Application Notes 35 Single speed potentiometer control of multiple drives Multiple drives can be controlled with a single speed adjust potentiometer using a PCM4 at the input of each drive to provide isolation Figure 22 Optional ratio potentiometers can be used to scale the PCM4 output voltage allowing independent control of each drive 6 2 ratio pot A ti 8 E S2 Drive
18. ck that the line fuse is properly sized and not blown 40 Troubleshooting Problem Possible Causes Suggested Solutions Line fuse blows Motor runs too fast at maximum speed setting 1 Line fuse is the wrong size 2 Motor cable or armature is shorted to ground 1 MIN SPD and MAX SPD settings are too high 2 Motor field connections are loose shunt wound motors only 1 Check that the line fuse is correct for the motor size page 14 2 Check motor cable and armature for shorts 1 Recalibrate MIN SPD and MAX SPD 2 Check motor field connections and armature output voltage Troubleshooting 41 Problem Possible Causes Suggested Solutions Line fuse does not blow but the motor does not run 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 3 52 is shorted to 51 4 Drive is in current limit 5 Drive is not receiving AC line voltage 6 Motor is not connected 1 Increase the speed adjust potentiometer or voltage setting 2 Check connections to input Verify that connections are not open 3 Remove short 4 Verify that motor is not jammed Increase TORQUE setting they are set too low 5 Apply AC line voltage to L1 L2 6 Connect motor to 1 and A2 42 Troublesh
19. d using the three keyholes on the back of the case See Figure 5 for mounting hole locations 1 For access to the keyholes and the terminal strip remove the two screws from the front of the case by turning them counterclockwise Grasp the front cover and lift it straight out 2 Install the mounting screws in the three keyholes 3 Install conduit hardware through the conduit holes at the bottom of the case Connect external wiring to the terminal block 4 Reinstall the front cover Avoid pinching any wires between the front cover and the case 5 Replace the two screws to the front cover Turn the screws clockwise to tighten 6 Set the POWER switch to the OFF position before applying AC line voltage Installation 7 Figure 4 MM21151C and MM21251C Back View Cased Mounting Keyhole Locations 8 Installation Wiring Use 18 AWG wire for speed adjust potentiometer wiring Use 16 AWG wire for AC line L1 L2 and motor 1 A2 wiring Shielding guidelines As a general rule Minarik recommends shielding of all conductors if 1 wire lengths exceed 18 inches with separation of power and logic leads 2 wire lengths exceed 4 inches and power and logic leads must be bundled together 3 radiated and or conducted noise must be minimized due to concerns about immunity or general compliance CE FCC etc Minarik considers this an unfavorable condition and does not recommend bundling of
20. e thermal degradation of the motor and drive Calibration 27 FACTORY SETTING Z UN Figure 14 Typical TORQUE and COMP Settings actual settings may vary with each application 28 Application Notes Multiple fixed speeds Replace the speed adjust potentiometer with series resistors with a total series resistance of 1OK ohms Figure 15 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds R1 53 T Total Series 52 Resistance m 10K ohms 51 R4 Figure 15 Multiple Fixed Speeds Application Notes 29 Adjustable speeds using potentiometers in series Replace the speed adjust potentiometer with a single pole multi position switch and two or more potentiometers in series with a total series resistance of 10K ohms Figure 16 shows a connection for fixed high and low speed adjust potentiometers CW High 53 Speed ohm 52 d Low CW 51 Speed 5K ohm Figure 16 Adjustable Fixed Speeds Using Potentiometers in Series 30 Application Notes 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 17 shows the connection of two independent speed adjust potentiometers that can be mounted at two separate operating stations 53 SPEED 2 cw cw S2 SPEED 2
21. ing sack urke Rex Ex REX 16 Stamp REHAB Assur 16 MM21051C tees 16 MMO2TTIBTO dung Su eben i Siti 16 MM21251G 24 de La deter 17 Line starting and line 0 18 Automatic restart upon power restoration 18 iiaa ue er EE 18 Inhibit terminal accessories 19 Deceleratind to minimurmispeed q pa dinss tare eee E EPI p S 20 Contents iii Dynamic 55 dod oven EO E 21 nun Mee T TL 21 Calibration 23 MIN SPD Ex dake ting DRE HS eodd 24 MAX SPD sce sre REESE ERERER EDEN LE 24 ACCEL EU 24 25 51 nex eos lg nd 25 TORQUE Retenir ede meet betur 26 Application Notes 28 Multiple fixed speeds e mn ye Rem ee 28 Adjustable speeds using potentiometers series 29 Independent adjustable speeds 30 RUN JOG SWIICH 5 eee Okie Baas CDS 31 Reversing FP
22. ings below or recalibrate using the following procedure If the motor does not maintain set speed as the load changes gradually rotate the IR COMP trimpot CW If the motor speed oscillates overcompensation the IR COMP trimpot may be set too high CW Turn the IR COMP trimpot CCW until the motor speed stabilizes 26 Calibration TORQUE The TORQUE setting determines the maximum armature current output of the drive It is factory set at 120 of rated motor current Recalibrate the TORQUE setting when using a lower horsepower motor Refer to the recommended TORQUE settings below or recalibrate using the following procedure 1 With the power disconnected from the drive connect a DC ammeter 0 15 A minimum scale in series with the armature Set the TORQUE trimpot to minimum full CCW Connect power to the drive The motor should remain stopped Lock the motor armature Be sure that the motor is firmly mounted Set the speed adjust potentiometer to maximum full CW Adjust the TORQUE trimpot CW slowly until the armature current is 120 of motor rated armature current Set the speed adjust potentiometer to minimum and remove the stall from the motor WARNING Although the TORQUE can be set to exceed the motor s maximum armature current rating we recommend you do not run the motor continuously beyond that rating Continuous operation beyond the maximum armature current rating may caus
23. ooting Problem Motor runs too slow or too fast Possible Causes 1 MIN SPD and MAX SPD not calibrated 2 Field not operating properly Suggested Solutions 1 Calibrate MIN SPD and MAX SPD 2 Check motor field connections and voltage Motor will not reach the desired speed 1 MAX SPD setting is too low 2 IR COMP setting is too low 3 Motor is overloaded 1 Increase MAX SPD setting 2 Increase IR COMP setting 3 Check motor load Resize the motor if necessary Motor pulsates or surges under load 1 IR COMP is set too high 2 Motor bouncing in and out of TORQUE limit 1 Adjust the IR COMP setting slightly CCW until the motor speed stabilizes 2 Make sure motor is not undersized for load adjust TORQUE pot For further assistance contact your Minarik distributor or the factory direct telephone 702 823 9475 or fax 702 823 9495 43 Certificate of Compliance Minarik Corporation hereby certifies that its MM21151C and 21251 drives have been approved to bear the CE mark provided the conditions of approval listed on page 34 and 35 have been met by the end user The MM21151C and MM21251C have been tested to the following test specifications EN55011 1991 emissions and 50082 1 1992 immunity Compliance allows Minarik s MM21151C and MM21251C series to bear the CE mark The end user as described herein falls into
24. otor to a stop MM21151C 1 Turn the speed adjust potentiometer full counterclockwise CCW 2 Apply AC line voltage 3 Set the POWER switch to the ON position 4 Slowly advance the speed adjust potentiometer clockwise CW The motor slowly accelerates as the potentiometer is turned CW Continue until the desired speed is reached Operation 17 5 Set the POWER switch to the OFF position to coast motor to a stop MM21251C 1 2 Set RUN STOP switch to STOP position Turn the speed adjust potentiometer full counterclockwise CCW 3 Apply AC line voltage 4 5 Set the FWD REV switch to desired direction of Set the POWER switch to the ON position rotation Set the RUN STOP switch to the RUN position Slowly advance the speed adjust potentiometer clockwise CW The motor slowly accelerates as the potentiometer is turned CW Continue until the desired speed is reached To stop the motor set the RUN STOP switch to the STOP position To reverse direction a Set the RUN STOP switch to the STOP position b Set the FWD REV switch to the desired direction of rotation c Set the RUN STOP switch to the RUN position Warning Do not change the FWD REV switch while the motor is running The motor must come to a complete stop before reversing Changing motor direction before allowing the motor to completely stop will cause excessively high current to flow in the arm
25. r An adjustment made under warranty does not void the warranty nor does it imply an extension of the original one 1 year or 3 000 hour 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 Automation EH y Inari amp Control 901 East Thompson Avenue Glendale California 91201 2011 Tel 702 823 9475 Fax 702 823 9495 www minarikcorp com Document number 250 0100 Revision 3 Printed in the U S A 12 98 North America 10 00 Outside North America 13 00
26. re 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 Please ensure that a master switch has been placed in the AC line to stop the drive in an emergency This drive is isolated from earth ground 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 trimpots Contents Specifications 1 Dimensions 2 Installation 5 ohassis diiVOS iuo ss aue sube RE 5 dIINOS ies caes rec x den ede aes Op 6 oss aisse org gore QE Rad aci e M Re qc 8 Heat Rada E Ed Abu kk 9 Line MUS MS MR pr PEE 9 Field Outputs ie pee ibm roe pe SOEUR RA Pee IRL 10 AC line and motor connection MM21051C 11 AC line and motor connection MM21151C MM21251C 11 Screw tenminal 25 222 555522 ek RR emm 13 Speed adjust potentiometer installation 14 Voltage TOlOWOF 5945 REESE EERE a RA Rad Ra RR E 15 Operation 16 Before apply
27. ust potentiometer is turned full CCW It is factory set to zero speed To calibrate set the speed adjust potentiometer full CCW Adjust the MIN SPD trimpot until the motor has stopped or is running at the desired minimum speed MAX SPD MAX SPD setting determines the maximum motor speed when the speed adjust potentiometer is turned full CW It is factory set for maximum rated motor speed To calibrate set the MAX SPD trimpot full CCW Turn the speed adjust potentiometer full CW Adjust the MAX SPD trimpot until the desired maximum motor speed is reached ACCEL The ACCEL setting determines the time the motor takes to ramp to a higher speed within the limits of available torque The ACCEL setting is factory set for its fastest acceleration time Calibration 25 Turn the ACCEL trimpot CW to increase the acceleration time and CCW to decrease the acceleration time DECEL The DECEL setting determines the time the motor takes to ramp to lower speed within the limits of available torque The DECEL setting is factory set for its fastest deceleration time Turn the DECEL trimpot CW to increase the deceleration time and CCW to decrease the deceleration time IR COMP The IR COMP setting determines the degree to which motor speed is held constant as the motor load changes It is factory set for optimum motor regulation Recalibrate the IR COMP setting when using a lower horsepower motor Refer to the recommend IR COMP sett
Download Pdf Manuals
Related Search