USER`S MANUAL - Minarik Drives
Contents
1. Maximum Reference Voltage of Drive 410 VDC Power Supply Voltage for Feedback Devices 5 VDC or 12 VDC Speed Regulation 0 05 Feedback Frequency Range 200 1 Ambient Operating Temperature Range 10 C 40 C Weight approximately 1 Ib Dimensions E E ma Figure 1 DLC500 Dimensions Installation Mounting Protect the control from dirt moisture and accidental contact Provide sufficient room for access to the terminal block and calibration trimpots Mount the control away from other heat sources Operate the drive within the specified ambient operating temperature range Prevent loose connections by avoiding excessive vibration of the control A Caution Variable speed DC drives manufactured by other companies may require hookup procedures that differ from those given in this manual Contact your local Minarik branch or distributor for assistance A schematic diagram and the manufacturer s instruction for interfacing the drive with an external speed setting signal may be required before the correct wiring scheme can be determined Installation 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 general2. 6 Press the up and down pushbuttons until the calculated display scaling factor is displayed 7 Press ENTER until the display shows the fourth decimal point 8 Press the up and down pushbutton to until the desired decimal location is displayed 0 000 no decimal i e 1254 0 001 tenths i e 125 4 0 002 hundredths i e 12 54 0 003 thousandths i e 1 254 Programming 31 Save the program settings and exit the programming mode 1 Press and hold the ENTER pushbutton 2 Press the UP pushbuttons to exit to the program mode Repeat steps 1 and 2 if you are still in the programming mode If a numeral is flashing press ENTER repeatedly until all digits stop flashing 32 Programming Set the speed 1 Press ENTER once The most significant digit will blink 2 Use the up and down pushbutton to set the desired value for this digit 3 Press ENTER once The second digit from the left will blink 4 Use the up and down pushbutton to set the desired value for this digit 5 Press ENTER once The second digit from the right will blink 6 Use the up and down pushbutton to set the desired value for this digit 7 Press ENTER once The least significant digit will blink 8 Use the up and down pushbutton to set the desired value for this digit 9 Press ENTER once to return to the operating mode 10 Remove power to the DLC500 Programming 33 11 Reconnect the drive and apply power to t
3. compliance CE FCC etc Minarik considers this an unfavorable condition and does not recommend bundling of 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 Y Under no circumstances should power and logic leads be bundled together Induced voltage can cause unpredictable behavior any electronic device including motor controls Installation 9 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 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 Drive compatibility The DLC500 is compatible with drives that have a positive voltage reference only the speed adjust potentiometer wiper has a positive potential relative to its counterclockwise side Most currently manufactured Minarik drives meet this requirement 10 Install
4. is now 100 The speed display is also 100 40 Programming Examples Recalculating the program parameters _ speed entry 3000 100 3000 pu shaft RPM PPR 400 30 2 DSF speed display 3000 Z 100 3000 25 u shaft RPM PPR 400 30 sas _ DSF 25 _ gate time so 50 0 5 seconds This is much more acceptable Note that there is no error due to rounding here because the SSF and DSF came out to be whole numbers 41 Troubleshooting Most problems if they do occur will appear at initial start up of the DLC500 system The more common problems are described below Should your DLC500 fail to operate as it should after you have taken the suggestions found in this section contact your Minarik branch or distributor for technical assistance You may also contact the factory directly by phone 702 823 9475 or fax 702 823 9495 The motor will not run 1 The connections from the DLC500 to the drive and from the drive to the motor may not be wired correctly Check the connections from the DLC500 to the drive and from the drive to the motor 2 The drive may be defective Disconnect the DLC500 from the drive Connect a speed adjust potentiometer to the drive and check if the motor runs properly 3 The motor may be defective Test the system with another motor 42 Troubleshooting The motor will not lock into speed 1 The load response number may be too low if the oscillation
5. 0 0 000000 e eee 29 Entering calculated program parameters 20 eee eee eee 30 Save the program settings and exit to the operation mode 31 Entering the operation mode liiis 31 Set he Speed Lus ee us Re re ee are en 32 Programming Examples 35 Troubleshooting 41 Unconditional Warranty inside back cover Introduction Minarik s DLC500 control is used with variable speed drives to produce closed loop digital systems capable of controlling motor speed precisely and with excellent reproducibility The DLC500 includes these benefits Excellent speed regulation 0 05 speed regulation of set speed for tight control Pushbutton programming Quick and easy programming using three front panel pushbuttons 4 digit LED display 0 5 inch 13 mm wide digits are easily readable Programmable decimal point Great for specific application readouts Selectable feedback devices Controls accept magnetic pickup hall effect inductive proximity sensor or encoder input 5 VDC or 12 VDC 10 mA power supply for feedback devices Additional power supply is unnecessary Removable screw terminal block Easy terminal block connections Specifications AC Line Voltage 115 VAC or 230 VAC 10 50 60 Hz single phase AC Line Power 5 5 watts nominally Acceptable Feedback Sources 5 VDC or 12 VDC NPN type encoder 5 VDC or 12 VDC NPN type proximity switch Hall effect sensor Electromagnetic pickup
6. 1 Make no connection to S3 Refer to Figure 5 Feedback terminals IN C If a magnetic pickup is used connect the pickup leads to terminals IN and C If an optical encoder is used connect its reference voltage lead to the signal lead to IN and the signal common lead to C The voltage at the lead is determined by the DIP switch setting see Figure 4 Inhibit terminal INH Short INH to common C to inhibit the DLC500 The DLC500 output will reduce to 0 volts Remove the short to resume operation Refer to Figure 5 Installation 11 Connections to non regenerative SCR drives Note Refer to Figure 5 for connections to Minarik regenerative and XP AC series drives Contact your Minarik sales representative for assistance Figure 4 Non Regenerative Drive Connections 20 Installation Alternative DLC500 connections DLC500 connections to regenerative drives S0 S1 Ld S1 RG DLC500 gt s2 DRIVE S3 S3 DLC500 connections to XP AC series drives S1 DLC500 2 S1 XP AC S3 S2 DRIVE em le S3 Inhibit connections RUN v INH DLC500 INHIBIT C Figure 5 Alternative DLC500 connections 21 Calibration 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 boa
7. USER S MANUAL Model DLC5OO DIGI LOK Programmable Digital Control Automation mari amp 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 A Safety Warnings 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 fire shock or explosion by proper grounding over current protection thermal protection and enclosure Follow sound maintenance procedures The control is not isolated from earth ground Circuit potentials are at 115 VAC or 230 VAC above earth ground Avoid direct contact with the printed c
8. allation 15 Rear panel selector and DIP switches Access the switches from the rear of the DLC500 case Using a screwdriver loosen the two screws that attach the nameplate to the case The switches are visible when the nameplate is removed The slide switch on the left rear of the DLC500 Figure 2 is the line voltage switch Set this switch to the left position for 115 VAC input or to the right for 230 VAC input g LL 115 VAC INPUT 230 VAC INPUT 3 3 115 230 115 230 Figure 2 Line Voltage Select Switch 16 Installation The dip switches on the right rear of the DLC500 Figure 3 are the supply voltage and feedback switches DIP switch 1 is for supply voltage selection Set this ON for 12 VDC or OFF for 5 VDC DIP switches 2 and 3 are for feedback device selection If an optical pickup is used set 2 ON and 3 OFF If a magnetic pickup is used set 2 OFF and 3 ON Supply Voltage Select DIP Switch 1 5 VDC SUPPLY SW502 i 12 VDC SUPPLY SW502 ZO CH _ 5 ZO EL 1 Ban EN S25 498 NI NI ae o Feedback Device Selection DIP Switch 2 and 3 SW502 SW502 0123 sd 23 598 535 N 4 NY o9 gu MAGNETIC PICKUP OPTICAL DEVICE FEEDBACK FEEDBACK Figure 3 DIP Switch Settings Installation 17 Connections Terminal description Line voltage terminals G L1 and L2 Connect the line voltage to these terminals The DLC500 is ON when power is applied to these
9. ation Panel installation Step 1 Cut a rectangular hole in the panel 1 78 inches 45 mm high and 3 38 inches 86 mm wide Installation Step 2 Slide the DLC500 into the panel opening 12 Installation Step 3 Insert the two mounting brackets into each side of the DLC500 case Installation Step 4 Secure the DLC500 to the panel using the bracket screws 14 Installation Feedback device selection Acceptable feedback frequency at any set speed in an application must lie within the 10 2000 Hz range Feedback frequency is directly proportional to the number of feedback pulses per revolution PPR and to the speed of the shaft RPM that the feedback transducer monitors The feedback range relates to the motor speed as follows 600 PPR minimum RPM minimum 120 000 PPR maximum RPM maximum For example we ll consider an application in which the feedback source is monitoring a driven shaft and not the motor armature shaft This shaft is running at speeds as low as 1 RPM The selected feedback device must produce at least 600 PPR Conversely if the application requires monitoring and controlling a driven shaft at speeds as high as 4000 RPM the selected feedback device must produce 30 or fewer pulses per revolution The DLC500 can control armature shaft speeds within a 30 1 range Under no circumstances can the DLC500 be expected to control motor speeds beyond this speed range Inst
10. eads Check that the pickup or sensor is working properly and that there are no breaks in the pickup or sensor leads The pickup may not be properly aligned over the gear causing inaccurate feedback information Check the alignment of the pickup over the gear Verify that the drive s common terminal is connected to the DLC500 s S1 terminal if the drive does not have its own clamping resistor The clamping resistor on the DLC500 may be dragging the output if the drive already has its own circuit with a clamping resistor between the wiper and the CCW terminals Remove the connection between the DLC500 terminal S1 and the CCW terminal to the drive The drive may be defective Replace the DLC500 with a speed adjust potentiometer and check whether the motor runs properly 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
11. from the left will blink D Use the up and down pushbutton to set this digit to zero E Press ENTER once The second digit from the right will blink F Use the up and down pushbutton to set this digit to zero G Press ENTER once The least significant digit the rightmost numeral will blink H Use the up and down pushbutton to set this digit to zero I Press ENTER once to return to the operating mode 3 Adjust the MIN OUT trimp CW until the motor shaft starts to rotate Slowly adjust the MIN OUT trimpot until the motor just stops 4 Set the DLC500 speed to 12096 of maximum desired motor speed as outlined in steps 2 5 above Where step 4 indicates that the DLC500 is to be set to zero substitute the DLC500 maximum output setting 24 Calibration To calculate the DLC500 maximum output setting multiply the maximum desired motor speed by 1 2 For example if the maximum desired motor speed is 1800 RPM the DLC500 maximum output must be set to 1800 X 1 2 2 2160 This ensures that the DLC500 trimpot settings do not interfere with the normal range of motor operation 5 The motor should run at the DLC500 maximum setting If it does not adjust the MAX OUT trimpot until the motor runs at that speed Check that the MIN OUT trimpot does not need to be readjusted after completing this procedure by repeating steps 2 and 3 as necessary 25 Programming Program parameters Five parameters must be known before programmi
12. g the parameters _ speed entry 3000 100 3000 SSE shaft RPM PPR 345 6530 25593 Note We must program in whole numbers So SSF 29 speed display 3000 100 3000 DSF E 2 893 29 shaft RPM PPR 345 65 30 sas _ DSF _ 2 _ gate time so 7 50 7 0 58 seconds Adding a decimal point widens the input range the range of settings from 0 to maximum increases the gate time and decreases the error due to rounding in the SSF and DSF Programming Examples 39 Example 4 An application uses a 30 tooth magnetic pickup mounted on the high speed shaft of a gear motor The gear ratio is 40 1 and the high speed RPM is 1800 The user will enter the speed of the low speed shaft The speed of the low speed shaft will show on the display Calculate the program parameters Solution PPR 30 Speed entry 10 for 10 RPM arbitrarily chosen Speed display 10 same as speed entry Since the gear ratio is 40 1 the high speed shaft RPM is 400 RPM Using the equations for the program parameters speed entry 3000 10 3000 Sr shaft RPM PPR 40080 29 DSF speed display 3000 103000 _ 2 5 shaft RPM PPR 400 30 SaL DSF 25 _ gate time EEE 0 05 seconds The gate time is too fast There is also a significant error 20 in rounding 2 5 to 3 Introduce a decimal point and recalculate the program parameters Since the user will enter 10 0 for 10 RPM the speed entry
13. he DLC500 am drive simultaneously 12 The motor will accelerate to the set speed 13 To change the set speed repeat steps 1 through 9 34 35 Programming Examples Example 1 An application uses a 30 tooth magnetic pickup mounted on a motor shaft The application requires that the motor speed and the display to be equal to the speed entry Calculate the program parameters Solution PPR 30 Speed entry 100 arbitrarily chosen Speed display 100 same as speed entry Shaft RPM 100 same as speed entry speed entry 3000 100 3000 SSF shaft RPM PPR 10030 90 _ _ speed display 3000 100 3000 DRE shaft RPM PPR 100130 1m _ DSF _ 100 gate time nn 2 seconds These are the standard program parameters for the DLC500 36 Programming Examples Example 2 An application uses a 60 tooth magnetic pickup mounted on a motor shaft The application requires that the motor speed and the display to be equal to the speed entry Calculate the program parameters Solution PPR 60 Speed entry 100 arbitrarily chosen Speed display 100 same as speed entry Shaft RPM 100 same as speed entry Using the equations for the program parameters speed entry 3000 100 3000 SSF haft RPM PPR 100160 9 DSF speed display 3000 100 3000 50 u shaft RPM PPR 100 60 so DSF 50 gate time S0 7 zu 1 second The PPR in t
14. his example is larger than the PPR in Example 1 Increasing the PPR decreases the speed scaling factor display scaling factor and the gate time Programming Examples 37 Example 3 An application uses a 30 tooth magnetic pickup mounted on a motor shaft that is part of an exercise treadmill The pulley is driving a belt that has a radius of 4 inches The application requires the user to enter the speed in miles per hour and the display to read in miles per hour Calculate the program parameters Solution PPR 30 Speed entry 10 for 10 miles per hour arbitrarily chosen Speed display 10 display is the same as the speed entry Calculate the corresponding shaft speed shaft RPM by converting 10 miles per hour to RPM 10 mi 10 mi 5280 ft 12 in 1 hr 1 rev hr 1 hr 1 mi 1 ft 60 min 27 4 345 65 345 65 RPM min Note 21 4 circumference of the pulley in inches speed entry 3000 10 3000 shaft RPM PPR 345 65 30 SSF 2 893 Note We must program in whole numbers So SSF 3 _ speed display 3000 10 3000 shaft RPM PPR 345 65 30 DSF 2 893 3 38 Programming Examples DSF _ 3 50 50 The gate time is too small We may introduce a decimal point on gate time 0 06 second the display The user could enter 100 which would appear as 10 0 miles per hour on the display The speed entry and speed display numbers in the formulae now become 100 Recalculatin
15. iability 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 Minarik Corporation 901 East Thompson Avenue Glendale California 91201 2011 Tel 702 823 9475 Fax 702 823 9495 www minarikcorp com Document number 250 0258 Revision 2 Printed in the U S A 3 99 12 00 North America 13 00 Outside North America
16. ircuit board or with circuit elements to prevent the risk of serious injury or fatality Use a non metallic screwdriver for adjusting switch settings Cont ents Introduction 1 Specifications 3 Dimensions 5 Installation 7 Mounting us Dos Datacard Re y EIE AR RD BUR dot Ae ULP DOR ENTE Raph UR aad 7 ANiriGO guidelines vs se rer Sia MER Wa eR I A eT ER EE S 8 Driv compatibility AMA a a a E 9 Panel installation zis aaa a alte en 10 Feedback device selection ooooooococcorccrnnccoo 14 Rear panel selector and DIP switches 22222 elles 15 CONNEC ONS ouod cabe eme oe Prud IN EEG EX Cra aoe pueri sag 17 Termin l description sues ele o RARO a Be dm a ee rn e OR 17 Output terminal connections to regenerative drives 17 Output terminal connections to XP AC series drives 18 Calibration 21 Drive calibration smart 22 BLG500 calibration us cad en ie 22 Programming 25 Program parameters osas a PhS CP RR SES ARE GA IR SO EK OR 25 Speed scaling factor c cesoseib res ev ER PE gener DES 25 Load response number 2 000002 e eee eee 26 Display scaling TACO ya esos esas age ee mama 26 Gate IME sks veo A ANOS AS QUE RE ee RR Ue d 27 Decimal point location number 0000 ee eee eee 27 iii DLC500 program parameters worksheet 200 0000005 28 Entering the programming mode ooooccocco o 29 Viewing the programming screens
17. is gradual or too high if the oscillation is very rapid 2 The drive may be incorrectly calibrated Check that the acceleration deceleration and IR COMP trimpot settings are at their minimum settings 3 f a magnetic pickup is used extensive runout may cause an interruption in the feedback pulse train Check that the pickup s sensing tip is directly over the center of the gear teeth The gap between the sensing tip and the gear tip should be no greater than 0 010 inches 4 Electrical noise may cause the DLC500 to attempt corrections that are not justified Check the continuity and shielding of the pickup leads 5 Rapid shifts in load may be pulling the motor out of its set speed Consider using a regenerative drive with the DLC500 The motor is running at a fixed difference below set speed 1 There may be a 60 Hz signal riding on the pickup leads Check that the pickup leads are run in their own conduit and that all connections are secure For long paths these leads must be shielded and properly grounded at the DLC500 end Troubleshooting 43 Verify that the drive s common terminal is connected to the DLC500 s S1 terminal if the drive does not have its own clamping resistor If the drive has a clamping resistor leave the DLC500 terminal S1 open The motor runs at top speeds regardless of the set speed 1 There may be an electromechanical defect in the pickup or sensor or a break in the pickup or sensor l
18. ming mode 1 Press and hold the ENTER pushbutton labeled E while applying AC power to the DLC500 Do not apply power to the drive 2 Release the ENTER pushbutton after AC power is applied You have entered the programming mode when the decimal point appears on the display in the lower right hand corner If no decimal points appear or if any number is flashing remove AC power then repeat steps 1 and 2 Viewing the programming screens The programming screens are identified by the number of decimal points displayed one decimal for speed scaling factor two decimals for load response number three decimals for display scaling factor and four decimal points for decimal point location After entering the programming mode press ENTER to scroll through the programming screens The DLC500 factory settings are Speed scaling factor 50 Display 0050 Load response 8 Display 0 0 0 8 Display scaling factor 50 Display 0 0 5 0 Decimal point location none Display 0 00 0 30 Programming Entering calculated program parameters 1 Press ENTER until the display shows one decimal point in the lower right corner 2 Press the up and down pushbuttons until the calculated speed scaling factor is displayed 3 Press ENTER until the display shows the second decimal point 4 Press the up and down pushbuttons until the desired load response number is displayed 5 Press ENTER until the display shows the third decimal point
19. ng the DLC500 These parameters are speed scaling factor load response display scaling factor gate time and decimal point location All parameters except gate time must be programmed into the DLC500 Speed scaling factor The speed scaling factor SSF correlates the digital speed set at the DLC500 with the speed in RPM desired at the feedback shaft The SSF equation is speed entry 3000 shaft RPM PPR SSF where speed entry speed programmed at the DLC500 This speed entry may be numerically different than the actual shaft RPM for example feet per minute gallons per minute inches per second etc the speed in RPM of the shaft where the encoder is mounted shaft RPM PPR the pulses per revolution generated by the encoder The SSF range is 3 through 9999 and the factory setting is 50 26 Programming Load response number The load response number determines how fast the DLC500 responds to load changes The higher the load response number the faster the DLC500 will respond The load response number range is 0 through 30 The factory setting is 8 Display scaling factor The display scaling factor DSF correlates the speed displayed by the DLC500 with the speed at the feedback shaft The DSF equation is speed display 3000 shaft RPM PPR DSF where speed display speed displayed at the DLC500 This speed entry may be numerically different than the actual shaft RPM for e
20. rd 8 24 SW501 amp SW502 123 N O MIN OUT MAX OUT 115 230 e OLdO OV Figure 6 Calibration Trimpot Layout 22 Calibration Drive calibration Calibrate the drive for use with the DLC500 The purpose is to optimize the response on the drive to the DLC500 signal and to minimize any tendency by the drive to independently attempt to regulate motor speed The following are the drive s trimpot settings Minimum speed CCW motor stopped Maximum speed CW maximum voltage setting Acceleration CCW fastest acceleration Deceleration CCW fastest deceleration IR COMP CCW minimum regulation Current Limit 15096 of motor current rating DLC500 calibration DLC500 MIN OUT and MAX OUT trimpots are factory calibrated to 42 5 VDC for Minarik MM20000 series drives Recalibration may be necessary if a drive other than the MM20000 series is used A Warning Dangerous voltages exist on the DLC500 when it is powered Use caution when adjusting the calibration trimpots Failure to observe sufficient safety precautions may result in serious injury or fatality Calibration 23 Calibrate the DLC500 trimpots as follows 1 Set the MIN OUT and MAX OUT trimpots full CCW 2 Set the motor speed to zero using the following steps A Press ENTER once The most significant digit the leftmost numeral will blink B Use the up and down pushbutton to set this digit to zero C Press ENTER once The second digit
21. 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 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 l
22. terminals Always provide a positive disconnect to shut down the DLC500 in case of an emergency Output terminals S1 S2 and S3 Connect S1 S2 and S3 to the drive s signal common signal input and reference voltage terminals respectively S1 S2 and S3 on Minarik drives Refer to Figure 5 pg 20 Output terminal connections to regenerative drives AN WARNING Failure to connect regenerative drives properly can damage the DLC500 drive or motor Minarik regenerative drives provide a 10 VDC reference voltage when measured from drive terminal S1 to drive terminal SO and a 10 VDC reference voltage when measured from drive terminal S3 to drive terminal SO For this reason connect DLC500 terminal S1 to drive teminal SO and DLC500 terminal S2 to drive terminal S2 Set the drive MIN SPD trimpot full CCW Make no connection to drive terminals S1 and S3 Refer to Figure 5 18 Installation Output terminal connections to XP AC series drives WARNING Failure to connect XP AC drives properly can damage the DLC500 drive or motor Most Minarik drives provide a positive reference voltage when measured from terminal S1 to terminal S2 usually in a range of 0 10 VDC XP AC drives also provide a positive reference voltage however terminal S2 is positive and terminal S1 is negative or common For this reason connect DLC500 terminal S1 to XP AC drive terminal S2 Connect DLC500 terminal S2 to XP AC drive terminal S
23. xample feet per minute gallons per minute inches per second etc shaft RPM the speed in RPM of the shaft where the encoder is mounted PPR the pulses per revolution generated by the encoder The DSF range is 3 through 9999 and the factory setting is 50 Programming 27 Gate time The display scaling factor determines the gate time the time between successive display updates The recommended gate time s 0 5 3 sec The gate time equation is shown below gate time DSE 50 Decimal point location number The decimal point location number fixes the decimal point within the DLC500 display The DLC500 may be set for no decimal point or for a decimal point in the tenths hundredths or thousandths position The factory setting is for no decimal point 28 Programming DLC500 program parameters worksheet 1 Find the equation variables PPR speed entry Do not use the decimal point For example use 1254 if the speed entry is actually 1 254 meters per second or 12 54 liters per minute speed display Just like the speed entry do not use the decimal point shaft RPM 2 Calculate the program parameters SSF speed entry 3000 _ shaft RPM PPR DSF speed display 3000 shaft RPM PPR gate time E Note Round off numbers to the nearest integer Programming 29 Entering the programming mode A Warning Disconnect power to the drive and DLC500 prior to entering program
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