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Copyright

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2000 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.

250-0112-rev3.qxd  7/18/00  10:46 AM  Page b

Summary of Contents for DIGI-LOK DLC300

Page 1: ...USER S MANUAL Model DLC300 DLC400 DIGI LOK Programmable Digital Control 250 0112 rev3 qxd 7 18 00 10 46 AM Page a...

Page 2: ...k 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 Mi...

Page 3: ...ion 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...

Page 4: ...250 0112 rev3 qxd 7 18 00 10 46 AM Page ii...

Page 5: ...ating the speed control 17 Programming Instructions 17 Programming Mode 18 DLC programming parameters 18 Speed Scaling Factor 19 Load Response Number 21 Display Scaling Factor 23 Decimal point locatio...

Page 6: ...Figure 1 DLC300 400 Dimensions 3 Figure 2 DIP Switch Location 12 Figure 3 DLC300 400 connections 15 iv Illustrations 250 0112 rev3 qxd 7 18 00 10 46 AM Page iv...

Page 7: ...n any Digi Lok Converter system and a conventional servo drive The Digi Lok Converter reads a velocity dependent feedback signal and corrects its output to bring the motor back to its set speed The Di...

Page 8: ...ltage Such controls will require use of Model DLC100 instead of the DLC300 Feedback device selection Acceptable feedback frequency at any set speed in an application must lie within the 10 2000 Hz ran...

Page 9: ...ion Conversely if the application were one that required monitoring and controlling a driven shaft at speeds as high as 4000 rpm the feedback device would be limited to one that produced 30 or fewer p...

Page 10: ...viii 250 0112 rev3 qxd 7 18 00 10 46 AM Page viii...

Page 11: ...5V NPN type encoder 5V NPN type proximity switch Hall effect sensor Electromagnetic pickup device Feedback frequency range 10 2 000 Hz Maximum speed range 30 1 typical Speed control reference voltage...

Page 12: ...2 250 0112 rev3 qxd 7 18 00 10 46 AM Page 2...

Page 13: ...3 Dimensions Figure 1 DLC300 400 Dimensions ALL DIMENSIONS IN INCHES MILLIMETERS 250 0112 rev3 qxd 7 18 00 10 46 AM Page 3...

Page 14: ...4 250 0112 rev3 qxd 7 18 00 10 46 AM Page 4...

Page 15: ...r assistance A schematic diagram and the manufacturer s instructions for interfacing the control with an external speed setting signal will probably be required before the correct wiring scheme can be...

Page 16: ...the printed circuit board or with circuit elements Do not disconnect any of the motor leads from the motor control unless power is removed Opening any one motor lead may destroy the control Variable...

Page 17: ...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 dr...

Page 18: ...Installation 8 Panel installation Step 1 Cut a rectangular hole in the panel 1 73 inches 44 mm high and 3 38 inches 86 mm wide 1 74 44 250 0112 rev3 qxd 7 18 00 10 46 AM Page 8...

Page 19: ...Installation 9 Step 2 Slide the DLC3 400 into the panel opening PANEL DLC300 400 250 0112 rev3 qxd 7 18 00 10 46 AM Page 9...

Page 20: ...Installation 10 Step 3 Insert the two mounting brackets into each side of the DLC300 400 case 250 0112 rev3 qxd 7 18 00 10 46 AM Page 10...

Page 21: ...Installation 11 Step 4 Secure the DLC300 400 to the panel using the bracket screws Do not overtighten the screws or damage to the enclosure may result 250 0112 rev3 qxd 7 18 00 10 46 AM Page 11...

Page 22: ...he signal input terminals Reset these DIP switches before you connect the DLC unit to AC power If the near end of the DIP switch is down that switch is ON if up that switch is OFF Use a narrow non met...

Page 23: ...18 inches use shielded leads with the shield grounded only at the transducer Good installation practice dictates that you run feedback leads Digi Lok output leads and motor leads in separate conduits...

Page 24: ...ontrol unit itself must be in place to ensure an emergency shutdown of the entire system Merely disconnecting the DLC unit will not provide adequate safeguard against a runaway condition Connect earth...

Page 25: ...Installation 15 Figure 3 DLC300 400 connections 250 0112 rev3 qxd 7 18 00 10 46 AM Page 15...

Page 26: ...16 250 0112 rev3 qxd 7 18 00 10 46 AM Page 16...

Page 27: ...st the speed control to its maximum rate of acceleration and deceleration to obtain its most rapid response to speed setting commands Lower the IR COMP REGULATION setting to its minimum setting The mo...

Page 28: ...gramming Mode If the DLC is already powered up you must interrupt power and hold in the ENTER push button while restoring AC power DLC programming parameters Four parameters must be programmed into th...

Page 29: ...as possible without hunting or rapidly oscillating about its set point Typically there will be a range of load response numbers that gives satisfactory load response so it is not necessary to determi...

Page 30: ...er revolution feedback device It is set for entering directly the speed of the monitored shaft in rpm By Equation 1 then the correct value for the Speed Scaling Factor under these conditions is 50 Ass...

Page 31: ...o increment the displayed value or the DOWN push button to decrement it Each time the push button is pressed the SSF value will change by one unit To accelerate this rate of change hold in the push bu...

Page 32: ...response will be improved by your increasing the Load Response Number In handling highly inertial loads it may be that no setting of the Load Response Number satisfactorily resolves the hunting proble...

Page 33: ...0 0 It is important to understand how the DLC display operates In its operating mode the DLC display shows the number of feedback pulses counted during a fixed programmable time period the gate time M...

Page 34: ...tor has no effect on the intrinsic performance of the DLC It only scales the numerical entry to the desired motor speed Any calculated value from 1 to 9999 is totally acceptable as the speed scaling f...

Page 35: ...otating shaft or select a feedback source having fewer pulses per revolution If your calculated DSF value is too high you can reduce the speed display by one or more orders of magnitude and move the d...

Page 36: ...tons to change the decimal point location number When you ve done this you can stay in the Programming Mode to correct a previous programming error or you can go to the operating mode Press ENTER to s...

Page 37: ...You will see the scaled speed displayed if you have properly executed this transition If by chance you release the ENTER push button after the UP push button the display may show you the set speed wi...

Page 38: ...250 0112 rev3 qxd 7 18 00 10 46 AM Page 28...

Page 39: ...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 conditio...

Page 40: ...e continuity of all output leads from the DLC to the control and from the control to the motor 3 The speed control may be defective Disconnect the DLC from the control Connect the speed adjust potenti...

Page 41: ...lding of pickup leads Electrical noise can cause the DLC to attempt corrections that are not justified 6 Rapid shifts in load may be pulling the motor out of its set speed Consider the use of a regene...

Page 42: ...a 60 Hz signal riding on the pickup leads Check that the leads are run in their own conduit and that all connections are tightly made For long paths these leads must be shielded and their shielding gr...

Page 43: ...ion 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...

Page 44: ...ifornia 91201 2011 Tel 1 800 MINARIK 646 2745 Fax 1 800 394 6334 www minarikcorp com Document number 250 0112 Revision 3 Printed in the U S A 7 00 12 00 North America 13 00 Outside North America 250 0...

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