LGD SERIES - American Control Electronics
Contents
1. SIGNAL INPUT SIGNAL COMMON 1 Figure 8 Analog Input Signal Connections LGD Series SCR502 SOL y 180 90 ilias Sr TUTFUT RISAGT ie Wr 0505 8 AC LINE VOLTAGE 115 230 VAC NOTE Do not add fuse to L2 10K OHM unless input voltage is 230 VAC SPEED ADJUST POTENTIOMETER Figure 9 Chassis Drive Connections LGD Series MOTOR ARMATURE EARTH GROUND GREEN SCREW Figure 10 Cased Drive Connections LGD Series Section 4 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 caus2. Figure 15 Inhibit Terminals D Series CONFIGURATION DRIVE RESPONSE INHIBIT TERMINALS INHIBIT MIN MODE INHIBITS TO MINIMUM 1 SPEED WHEN INHIBIT TERMINALS ARE SHORTED TERMINALS SHORTED INHIBIT TERMINALS 50502 INHIBIT ZERO MODE INHIBITS TO ZERO SPEED 1 WHEN INHIBIT TERMINALS ARE SHORTED TERMINALS SHORTED INHIBIT TERMINALS INVERT INHIBIT MIN MODE 2 INHIBITS MINIMUM 5 SPEED WHEN INHIBIT TERMINALS TERMINALS ARE OPENED OPENED INHIBIT INVERT INHIBIT ZERO MODE INHIBITS TO ZERO SPEED WHEN INHIBIT TERMINALS TERMINALS ARE OPENED OPENED NOTE The MAX SPD and MIN SPD trim pots must be recalibrated everytime the inhibit mode J501 or J502 jumpers are changed Figure 16 Inhibit Personality Configuration LGD Series Decelerating to Minimum Speed The switch shown in Figure 17 may be used to decelerate a motor to a minimum speed Closing the switch between S1 and S2 decelerates the motor from set speed to a minimum speed determined by the MIN SPD trim pot setting If the MIN SPD trim pot is set full CCW the motor decelerates to zero speed when the switch between S1 and S2 is closed The DECEL trim pot setting determines the rate at which the driv
3. 10 0 AMPS P IR COM 1 1 2 HP 180 VDC 7 50 AMPS TORQUE TORQUE TORQUE TORQUE e TORQUE TORQUE P 1 4 HP 1 2 HP 90 VDC 180 VDC 2 50 AMPS 2 50 AMPS TORQUE COMP TORQUE IR COMP Figure 18 Recommended TORQUE and IR COMP Settings actual settings may vary with each application LGD Series Acceleration ACCEL The ACCEL setting determines the time the motor takes to ramp to a higher speed See Specifications on page 1 for approximate acceleration times ACCEL is factory set for the shortest acceleration time full CCW To set the acceleration time 1 Set the speed adjust potentiometer or input voltage signal for minimum speed The motor should run at minimum speed Set the speed adjust potentiometer or input voltage signal for maximum speed Measure the time it takes the motor to go from minimum to maximum speed If the time measured in step 2 is not the desired acceleration time turn the ACCEL trim pot CW for a longer acceleration time or CCW for a shorter acceleration time Repeat steps 1 through 2 until the acceleration time is correct Deceleration DECEL The DECEL setting determines the time the motor takes to ramp to a lower speed See Specifications on page 1 for approximate deceleration times DECEL is factory set for the shortest deceleration time full CCW To se
4. 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 TORQUE trim pot CW les LGD Ser s bo a S a o c o 2 o 313WOlLN3LOd 15 03395 BOHOL uJeJSeiq ojg sess 091 gZ eJn8I4 5 Mod lt _ 095 MOLVM3N35 0151539 MOv8O334 0500 XO 0500 das SE 43395 13030 73009 H a908 M3MOd uos Mov80334 3univWav LGD Series 10 KOHM SPEED ADJUST POTENTIOMETER MOTOR ARMATURE 90 VDC 180 VDC LINE VOLTAGE 016 INPUTS 115 EARTH GROUND GREEN SCREWS Figure 29 LGD410 and LGD440 Terminal Block Connections LGD Series To a INHIBIT PINS A2 s3 10KOHM SPEED ADJUST POTENTIOMETER MOTOR ARMATURE 90 VDC 180 VDC LINE VOLTAGE 15 VAC INPUTS EARTH GROUND e GREEN SCREW Figure 30 LGD430 Terminal Block Connections LGD Series Section 10 Accessories amp Replacement Parts Displays Closed Loop CLD100 1 Open Loop OLD100 1 Heat Sinks Chas
5. i e reversing Speed adjust potentiometer or input voltage signal is set to zero speed INHIBIT mode is active Drive is not receiving AC line voltage LGD Series 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 TORQUE settings resize motor and drive i for actual load demand or check for incorrectly aligned mechanical components or jams See page 38 for information on adjusting the TORQUE trim pot Increase the speed adjust potentiometer setting or input voltage signal Remove the short from the INHIBIT terminals or add a short to INHIBIT terminals if INHIBIT mode is set to INVERTED Verify that the motor is not jammed Increase TORQUE setting if set too low Remove power Connect the motor to A1 and A2 Reapply LGD Series PROBLEM Motor does not i 1 MIN SPD is set too high i stop whenthe speed adjust i potentiometer is full CCW Motor connections to A1 and A2 are reversed Motor runs in i the opposite i direction Motor runs too fast Motor will i not reach the desired speed Motor pulsates or surges under Motor bouncing in and out of current limit SUGGESTED SOLUTIONS Calibrate MIN SPD Remove power Reverse connections to A1 and A2 Reapply power
6. 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 plug 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 6 INHIBIT JOG Figure 22 RUN JOG Switch Connection to Inhibit Plug with Normally Open Inhibit set for Zero Mode LGD 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 minimum speed minimum speed is determined by the MIN SPD trim pot setting Press the JOG pushbutton to jog the motor Return the RUN JOG switch to RUN for normal operation 10K OHM SPEED ADJUST POTENTIOMETER RUN I JOG JOG PUSHBUTTON Figure 23 RUN JOG Switch Connection to Speed Adjust Potentiometer LGD Series Leader Follower Application In this application use 150202 1 to monitor the speed of the leader motor Figure 24 The 150202 1 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 potentio
7. Figure 2 LGD410 Dimensions LGD Series 6 00 125 8 00 203 CONTROL ELECTRONICS 0 88 Z RAB 2 75 3 1 25 32 172 2 50 ug 64 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 3 LGD430 Dimensions LGD Series 6 90 175 6 30 160 0 87 22 4 50 114 af NEMA AX MOTOR CONTROL AMERICAN 2 50 64 7 76 197 6 00 152 M 3 70 94 2 25 B7 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 4 LGD440 Dimensions LGD Series 6 90 175 gt He 6 30 160 4 5 90 150 y s 112 3 00 76 E 0 7 18 1 75 44 lt 390 100 y ALL DIMENSIONS IN INCHES MILLIMETERS Figure 5 HSK 0001 Dimensions 6 90 175 I 6 29 160 4 5 90 150 LGD Series 152 T 0 90 23 NN p 01915 OF ALL DIMENSIONS IN INCHES MILLIMETERS Figure 6 HSK 0002 Dimensions LGD Series Section 3 Installation Do not install rewire or remove this control with input power applied Failure to heed this wa
8. 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 voltage is 230 VAC Table 1 on page 17 lists the recommended line fuse sizes Cased models come with preinstalled fuses Models LGD410 10 LGD430 10 and LGD440 10 are preinstalled with 15 amp fuses Models LGD410 1 5 LGD430 1 5 and LGD440 1 5 are preinstalled with 3 amp fuses Preinstalled line fuses are rated for maximum horsepower If the horsepower rating of the motor being used is less than the maximum horsepower rating of the drive the line fuse may have to be replaced with a lower rated one Fuses should be rated for 250 VAC or higher and approximately 150 of the maximum armature current Refer to Table 1 on page 17 to install a lower rated fuse Refer to Table 2 on page 17 for Short Circuit Current Ratings SCCR LGD Series Table 1 Recommended Line Fuse Sizes 180 VDC Maximum DC Motor Armature Current Fuse Size Horsepower Horsepower amps amps See Section 10 Accessories and Replacement Parts for fuse kit part numbers Table 2 Short Circuit Current Ratings Short Circuit Current Rating Maximum Drive Model Maximuta Maximum Types of Branch Rating of Circuit Protection Overcurrent Current kA Voltage V LGD400 10 Inverse 160410 10 10 ime Protection Circuit iGb430 10 10 Breaker 16044010 10 LGD Series Connec
9. inhibit is not active 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 LGD Series Dynamic Braking Wait for the motor to completely stop before switching back to RUN This will prevent high armature currents from damaging the motor or drive Dynamic braking may be used to rapidly stop a motor Figure 14 on page 31 For the RUN BRAKE switch use a two pole two position switch rated for at least the armature voltage rating and 150 of the armature current rating For the dynamic brake resistor use a 40 watt minimum high power wirewound resistor Sizing the dynamic brake resistor depends on load inertia motor voltage and braking time Use a lower value higher wattage dynamic brake resistor to stop a motor more rapidly Refer to Table 3 on page 31 for recommended dynamic brake resistor sizes Note Models LGD430 1 5 and LGD430 10 incorporate dynamic braking in their designs LGD Series Table 3 Minimum Recommended Dynamic Brake Resistor Values 15 ohms 180 VDC 30 ohms For motors rated 1 17 horsepower and lower a brake resistor is not necessary since the armature resistance is high enough to
10. 0 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 LGD 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 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 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 18 on page 39 for recommended IR COMP settings LGD Series MODELS LGD4x0 1 5 1 8 HP 90 VDC 1 25 AMPS TORQUE COMP TORQUE 1 20 HP 1 10 HP 90 VDC 180 VDC 0 50 AMPS 0 50 AMPS TORQUE IR COMP TORQUE MODELS LGD4x0 10 1HP 90 VDC 10 0 AMPS TORQUE COMP 2HP 180 VDC
11. 1503 SPEED TORQUE Jumper Location Dynamic Brake Wiring with Normally Open Inhibit Inhibit Terminals Inhibit Personality Configuration Run Decelerate to Minimum Speed Switch Figure Recommended TORQUE and IR COMP Settings Figure Multiple Fixed Speeds Figure 20 Adjustable Speeds Using Potentiometers in Series Figure 21 Independent Adjustable Speeds Figure 22 RUN JOG Switch Connection to Inhibit Plug with Normally Open Inhibit set for Zero Mode Figure Figure Figure Figure Figure Figure Figure Figure O 00 O N Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 LGD Series RUN JOG Switch Connection to Speed Adjust Potentiometer Leader Follower Application Single Speed Potentiometer Control of Multiple Drives Reversing Circuit Wiring Diagnostic LED Locations LGD Series Block Diagram LGD410 and LGD440 Terminal Block Connections LGD430 Terminal Block Connections CE Wiring LGD Series Section 1 Specifications Maximum HP Range HP Range Armature with 90 VDC with 180 VDC Current ADC Motor Enclosure LGD400 1 5 E Chassis LGD410 1 5 NEMA 1 LGD430 1 5 NEMA 1 LGD440 1 5 NEMA 4X LGD400 10 Chassis LGD410 10 NEMA 1 LGD430 10 NEMA 1 LGD440 10 NEMA 4X Heat sink kit part number HSK 0001 must be used when the continuous current output is over 5 amps Heatsink kit part number HSK 0002 must be used when the continu
12. AMERICAN CONTROL ELECTRONICS LGD SERIES USER MANUAL LGD400 1 5 LGD400 10 LGD410 1 5 LGD410 10 LGD430 1 5 LGD430 10 LGD440 1 5 LGD440 10 www americancontrolelectronics com Dear Valued Consumer Congratulations on your purchase of the LGD 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 americancontrolelectronics com to learn more about our other drives Thank you for choosing American Control Electronics No part of this document may be reproduced or transmitted in any form without written permission from American Control Electronics The information and technical data in this document are subject to change without notice American Control Electronics 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 American Control Electronics 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 LGD 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 qua
13. ATING DISK POT TAB ASSIGNMENTS PANEL Figure 7 Speed Adjust Potentiometer LGD Series Mounting NEMA 1 Enclosures NEMA 1 cased drives come with two 0 88 inch 22 mm conduit holes at the bottom of the case The units may be vertically wall mounted or horizontally bench mounted using the three keyholes on the back of the case 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 pull it straight out Install the mounting screws in the three keyholes Set the POWER switch to the OFF position before applying the AC line voltage Install conduit hardware through the conduit holes at the bottom of the case Connect external wiring to the terminal block Reinstall the front cover Avoid pinching any wires between the front cover and the case Reinstall the two screws on the front cover Turn the screws clockwise to tighten LGD Series Mounting NEMA 4X Enclosures NEMA 4X cased drives come with two 0 88 inch 22 mm conduit knockout holes at the bottom of the case The units may be vertically wall mounted using the four 0 19 inch 5 mm slotted holes on the attached heat sink For motor loads less than 5 ADC the drive may be bench mounted horizontally or operated without mounting 1 2 Install the mounting screws For access to the terminal strip turn the slotted screw on the front cover count
14. GD400 LGD410 and LGD440 LGD430 Starting and Stopping Methods LGD Series Line Starting and Stopping Dynamic Braking Inhibit Terminals Decelerating to Minimum Speed Section 5 Calibration Minimum Speed MIN SPD Maximum Speed MAX SPD Torque TORQUE IR Compensation IR COMP Acceleration ACCEL Deceleration DECEL Torque Mode Calibration Section 6 Application Notes Multiple Fixed Speeds Adjustable Speeds Using Potentiometers In Series Independent Adjustable Speeds RUN JOG Switch Inhibit Connection RUN JOG Switch Potentiometer Connection Leader Follower Application n Single Speed Potentiometer Control Of Multiple Drives Reversing Section 7 Diagnostic LEDs Section 8 Troubleshooting Before Troubleshooting Section 9 Block Diagrams Section 10 Accessories amp Replacement Parts Section 11 CE Unconditional Warranty LGD Series List of Tables Table 1 Recommended Line Fuse Sizes Table 2 Short Circuit Current Ratings EN Table 3 Minimum Recommended Dynamic Brake Resistor Values List of Figures Figure 1 LGD400 Dimensions Figure 2 LGD410 Dimensions Figure 3 LGD430 Dimensions Figure 4 LGD440 Dimensions Figure 5 HSK 0001 Dimensions Figure 6 HSK 0002 Dimensions Figure 7 Speed Adjust Potentiometer Figure 8 Analog Input Signal Connections Figure 9 Chassis Drive Connections Cased Drive Connections Select Switches 1503 SPEED TORQUE Jumper Settings
15. americancontrolelectronics com 14300 DE LA TOUR DRIVE SOUTH BELOIT IL 61080 844 AMCNTRL MAN 0002 Rev 1
16. d models connect a DC motor to terminals 5 A1 and 4 A2 as shown in Figure 10 on page 22 Ensure that the motor voltage rating is consistent with the drive s output voltage LGD Series Speed Adjust Potentiometer For chassis models use a 10K ohm 1 4 W potentiometer for speed control Connect the counter clockwise end of the potentiometer to S1 the wiper to S2 and the clockwise end to S3 If the potentiometer works inversely of the desired functionality e g to increase motor speed you must turn the potentiometer counterclockwise power off the drive and swap the S1 and S3 connections Refer to Figure 9 on page 21 For enclosed models the speed adjust potentiometer is factory installed and prewired LGD Series Analog Input Signal 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 8 Connect the signal common to S1 Connect the signal reference to S2 Make no connection to S3 A potentiometer can be used to scale the analog input voltage An interface device such as American Control Electronics model ISO202 1 be used to scale and isolate an analog input voltage An analog input voltage range of 0 2 5 VDC is required to produce an armature voltage range of 0 90 VDC with 115 VAC line voltage or 0 180 VDC with 230 VAC line voltage ia PC NA
17. ded 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 LGD 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 it is recommended to shield 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 LGD Series Line Fusing Chassis drives should be fused for protection Use
18. drive is switched between SPEED and TORQUE mode Speed Mode In Speed Mode the external potentiometer adjusts the speed voltage of the motor The on board MAX SPD trim pot sets the maximum speed of the motor The on board TORQUE trim pot sets the maximum torque available The drive comes factory calibrated for speed mode To run the drive in Speed Mode jumper pins 2 amp 3 and pins 4 amp 5 on J503 See Figure 12 and Figure 13 on page 26 for jumper settings and location Torque Mode In Torque Mode the external potentiometer adjusts the torque current of the motor The on board MAX SPD trim pot sets the maximum torque available The on board TORQUE trim pot sets the maximum speed of the motor To run the drive in Torque Mode jumper pins 1 amp 2 and pins 3 amp 4 on J503 See Figure 12 and Figure 13 on page 26 for jumper settings and location LGD Series Speed Mode Jumper pins 2 amp 3 and pins 4 amp 5 on 1503 Gu w Torque Mode Jumper pins 1 amp 2 and pins 3 amp 4 on 1503 G Figure 12 J503 SPEED TORQUE Jumper Settings Speed Torque Mode Jumper J503 v power C Cre LIMIT MINSPD MAXSPD TORQUE ACCEL DECEL IRCOMP Figure 13 J503 SPEED TORQUE Jumper Location LGD Seri es Startup LGD400 LGD410 Turn the speed adjust potentiometer full counterclockwise CCW or set the input voltage signal to minimum Apply AC
19. e decelerates By opening the switch the motor accelerates to set speed at a rate determined by the ACCEL trim pot setting 10K OHM SPEED ADJUST POTENTIOMETER DECEL TO MIN SPEED Figure 17 Run Decelerate to Minimum Speed Switch LGD Series Section 5 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 voltages can cause serious or fatal injury WARNING LGD 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 LGD Series Minimum Speed MIN SPD The MIN SPD setting determines the minimum motor speed when the speed adjust potentiometer or input voltage signal is set for minimum speed It is factory set for zero speed To calibrate the MIN SPD Set the MIN SPD trim pot full CCW Set the speed adjust potentiometer or input voltage signal for minimum speed Adjust MIN SPD until the desired minimum speed is reached or is just at th
20. e 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 51 for further assistance Before Applying Power 1 Verify that no foreign conductive material is present on the printed circuit board Ensure that all switches and jumpers are properly set LGD Series Select Switches Input Voltage Select SW501 SW502 Set the input voltage select switches SW501 and SW502 to either 115 or 230 to match the AC line voltage See Figure 11 Armature Voltage Select SW503 Set the armature voltage select switch SW503 to either 90 or 180 to match the maximum armature voltage See Figure 11 Input Voltage Select SW501 SW502 mature Voltage ejs ro ur elect SW503 m CO Figure 11 Select Switches LGD Series Operation Modes MAX SPD and TORQUE trim pots must be recalibrated everytime the
21. e threshold of rotation Maximum Speed MAX SPD 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 Note Check the MIN SPD and MAX SPD adjustments after recalibrating to verify that the motor runs at the desired minimum and maximum speed LGD Series Torque TORQUE TORQUE should be set to 150 of motor nameplate current rating Continuous operation beyond this rating may damage the motor If you intend to operate beyond the rating contact your American Control Electronics representative for assistance The TORQUE setting determines the maximum torque for accelerating and driving the motor To calibrate TORQUE refer to the recommended TORQUE settings in Figure 18 on page 39 or use the following procedure With the power disconnected from the drive connect a DC ammeter in series with the armature Set the 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 TORQUE trim pot CW until the armature current is 15
22. erclockwise until it is free from the case The right side of the cover is hinged to the case Pull the slotted screw to open the case Carefully remove the conduit knockouts by tapping them into the case and twisting them off with pliers Set the POWER switch to the OFF position before applying the AC line voltage Install conduit hardware through the 0 88 inch 22 mm knockout holes Connect external wiring to the terminal block Grasp the slotted screw and tilt the front cover back into place Avoid pinching any wires between the front cover and the case Turn the slotted screw clockwise until tight to secure the front cover LGD 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 temperature protection If motor over protection is nee
23. gainst American Control Electronics by lawful authority American Control Electronics shall under no circumstances be liable for any consequential damages losses or expenses arising in connection with the use of or inability to use American Control Electronics 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 American Control Electronics 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 American Control Electronics 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 id LGD410 1 5 Bs LGD410 10 TED LGD400 1 5 LGD400 10 gm 2 LGD430 1 5 m ver um LGD430 10 AMERICAN CONTROL ELECTRONICS Eu e ii LGD440 1 5 DEMO e LGD440 10 www
24. is required To meet CE approval conditions use the following or equivalent LGD4x0 10 models use ACE filter FIL100 14 LGD4x0 1 5 models use ACE filter FIL100 4 This is not a guarentee that your machine will pass CE The conditions outlined here are the method American Control Electronics used during CE testing Additional steps may have to be taken for you particular application LGD Series Compliance allows American Control Electronics LGD Series to bear the CE mark The end user as described herein falls into one of two categories 1 The Consumer will deploy a stand alone unit as an integral yet external portion of the machine being operated 2 The Original Manufacturer OEM will implement the product as a component of the machine being manufactured The LGD series has been tested to the following test specifications Emissions EN 61800 3 2005 Section 5 3 CISPR 11 2003 Immunity EN 61800 3 2005 Section 6 3 and 6 4 EN 61000 4 2009 EN 61000 4 3 2006 A2 2010 EN 61000 4 4 2004 A1 2010 EN 61000 4 5 2006 EN 61000 4 6 2007 ENCLOSURE CE COMPLIANT MOTOR MOTORS SPEED CONTROL LINE FILTER Figure 31 CE Wiring LGD Series Unconditional Warranty A Warranty American Control Electronics warrants that its products will be free from defects in workmanship and material for twelve 12 months or 3000 hours whichever comes fir
25. lified electrical technician install adjust and service this equipment Follow the National Electrical Code and all other applicable electrical and safety codes including the provisions of the Occupational Safety and Health Act OSHA when installing equipment 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 American Control Electronics 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 LGD Series Table of Contents Section 1 Specifications Section 2 Dimensions Section 3 Installation Heat Sinking Mounting Chassis Speed Adjust Potentiometer Analog Input Signal Section 4 Operation Before Applying Power Select Switches Input Voltage Select SW501 SW502 Armature Voltage Select SW503 Operation Modes Speed Mode Torque Mode Startup L
26. 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 and LGD440 Turn the speed adjust potentiometer to O full CCW or set the input voltage signal to minimum Set the POWER switch to the ON position 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 Set the POWER switch to the OFF position to coast the motor to stop LGD Series LGD430 Do not change the FORWARD REVERSE 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 armature circuit and will damage the drive and or motor Set the RUN BRAKE switch to the BRAKE position Turn the speed adjust potentiometer to O full CCW or set the input voltage signal to minimum Set the POWER switch to the ON position Set the FORWARD REVERSE switch to the desired direction of rotation Set the RUN BRAKE switch t
27. meter may be used to scale the ISO202 1 output voltage cc 92 52 Follower Leader 1802021 91 Drive Drive A2 TB502 1 10K Ohm optional Figure 24 Leader Follower Application LGD Series Single Speed Potentiometer Control Of Multiple Drives Multiple drives can be controlled with a single speed adjust potentiometer using a 150101 8 at the input of each drive to provide isolation Figure 25 Optional ratio potentiometers can be used to scale the 150101 8 output voltage allowing independent control of each drive ratio pot A optional 10K Ohms 10K Ohms ratio pot B optional 10K Ohms ISO101 8 ratio pot H optional 10K Ohms Figure 25 Single Speed Potentiometer Control of Multiple Drives LGD Series Reversing A dynamic brake may be used when reversing the motor direction Figure 26 Use a three pole three position switch rated for at least the maximum DC armature voltage and maximum braking current Wait for the motor to stop completely before switching it to either the forward or reverse direction See the Dynamic braking section on page 31 for recommended dynamic brake resistor sizes INHIBIT Figure 26 Reversing Circuit Wiring LGD Series Section 7 Diagnostic LEDs LGD series drives are equipped with two diagnostic LEDs e Power POWER Green LED lights whenever AC line voltage is applied to the drive Current Limi
28. o the RUN position 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 To reverse direction a Set the RUN BRAKE switch to the BRAKE position b Wait for the motor to come to a complete stop C Setthe FORWARD REVERSE switch to the desired direction of rotation d Setthe RUN BRAKE switch to the RUN position To brake the motor set the RUN BRAKE switch to the BRAKE position To coast the motor to a stop set the POWER switch to the OFF position LGD Series Starting and Stopping Methods Dynamic 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 American Control Electronics strongly recommends installing an emergency stop switch on both AC line inputs see Figure 9 on page 21 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 and the
29. ous current output is over 5 amps AC Line Voltage 115 230 VAC 10 50 60 Hz single phase DC Armature Voltage with 115 VAC Line Voltage with 230 VAC Line Voltage 0 180 VDC Acceleration 1 ime Range 0 5 17 seconds Analog Input Range signal must be isolated S1 to S2 LGD Series 0 5G maximum 0 50 Hz 0 1G maximum gt 50 Hz UL cUL Listed Equipment File E132235 CSA Certified Component File LR41380 CE Certificate of Compliance Ambient Temperature Range Chassis Drive 10 C 55 Cased Drive 10 C 40 C LGD Series Section 2 Dimensions 72 gt 0 75 191 51 l ton Q 175 44 0 74 191 0 64 161 019 51 160 411 128 331 0 96 24 3 80 97 4 30 109 ALL DIMENSIONS IN INCHES MILLIMETERS Figure 1 LGD400 Dimensions LGD Series L 6 00 125 AMERICAN CONTROL ELECTRONICS 20 88 3 46 de Z 2212 Uo ot 132 4 72 2 50 E 44 64 ALL DIMENSIONS IN INCHES MILLIMETERS
30. ove the line power the stall from motor and the ammeter LGD Series Section 6 Application Notes Multiple Fixed Speeds Replace the speed adjust potentiometer with a series of resistors with a total series resistance of 10K ohms Figure 19 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds R1 R2 TOTAL SERIES RESISTANCE R3 10K OHMS R4 Figure 19 Multiple Fixed Speeds LGD 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 20 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds CW 5K OHM Figure 20 Adjustable Speeds Using Potentiometers In Series LGD 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 21 shows the connection of two independent speed adjust potentiometers that can be mounted at two separate operating stations Figure 21 Independent Adjustable Speeds LGD Series RUN JOG Switch Inhibit Connection Using a RUN JOG switch is recommended in applications where quick stopping is not needed and frequent jogging is required Use a single pole
31. rning 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 Chassis Model LGD400 10 requires an additional heat sink when the continuous armature current is above 5 amps Use heat sink kit part number HSK 0001 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 NEMA 1 Models LGD410 10 and LGD430 10 require an additional heat sink when the continuous armature current is above 5 amps Use heat sink kit part number HSK 0002 All other NEMA 1 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 NEMA 4X All NEMA 4X models come with the heat sink already attached Therefore all NEMA 4X drives have sufficient heat sinking in their basic configuration LGD Series Mounting Chassis Drive components are sensitive to electrostatic discharge Avoid direct contact with the circuit board Hold the drive by the chassis or heat sink only Protect the drive from dirt moisture and accidental contact Provide sufficient room for access
32. sis HSK 0001 HSK 0002 Potentiometer amp Connector Pot Kit KTP 0031 Fuse 2 1 5 Amp 250V 3AG Fast blow Glass Fuses KTF 0001 2 3 Amp 250V 3AG Fast blow Glass Fuses KTF 0002 2 5 Amp 250V Fast blow Glass Fuses KTF 0003 2 8 Amp 250V 3AG Fast blow Glass Fuses KTF 0004 2 10 Amp 250V 3AB Normal blow Ceramic Fuses KTF 0005 2 15 Amp 250V 3AB Normal blow Ceramic Fuses KTF 0006 Wiring Inhibit Plug 18 in leads KTW 0001 Inhibit Plug 36 in leads KTW 0002 Filters AC Line LGD4x0 1 5 models LGD4x0 10 models Logic Cards Current Sensing Isolation Cards Unidirectional 8 outputs 150101 8 Bidirectional 1 output 150202 1 LGD Series Section 11 CE Compliance The LGD Series has been tested for CE compliance provided the conditions of approval have been met by the end user drive must be enclosed in a solid metal enclosure The enclosure lid body and backplain must all be tied to a low impedance earth ground All wires including AC power motor and logic leads Need to be separate from each other never bundled together Kept as short as possible Must be shielded using a single point grounding Do not ground both ends of the shield The ground connection between the shielded cable installed line filter and metal enclosure must be wired to solid earth ground not machine ground addition to EMI RFI safeguards inherent in the LGD Series design external filtering of the AC line
33. st from date of manufacture thereof Within this warranty period American Control Electronics will repair or replace at its sole discretion such products that are returned to American Control Electronics 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 American Control Electronics 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 American Control Electronics s sole obligation and exclude all other warranties of merchantability for use expressed or implied American Control Electronics 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 Americn Control Electronics 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 a
34. stop the motor without demagnetization Replace the dynamic brake with 12 gauge wire INHIBIT Figure 14 Dynamic Brake Wiring with Inhibit set to Inhibit Zero Mode LGD Series Inhibit Terminals Activate the INHIBIT to coast the motor to minimum or zero speed see Figure 15 for INHIBIT terminal location Deactivate the INHIBIT terminals to accelerate the motor to set speed See Figure 16 on page 34 for jumper J501 and J502 configuration which determines if the INHIBIT is normally open or normally closed to run The INHIBIT function will work the same way in Speed or Torque Mode 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 American Control Electronics offers two accessory plug harnesses for connecting to the INHIBIT terminals part number 201 0024 plug with 18 in 46 cm leads and part number 201 0079 plug with 36 in 91 cm leads scrsob 0 eu g 10 Inhibit 2 a csos Terminals GC 5 POWER scrsoe Rs01
35. t TQ LIMIT Red LED lights whenever the drive reaches current limit Power LED Figure 27 Diagnostic LED Locations LGD 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 no short circuits or grounded connections Check that the selection switch settings are correctly set Check that the drive s rated armature is consistent with the motor ratings For additional assistance contact your local American Control Electronics distributor or the factory direct 844 AMCNTRL or FAX 800 394 6334 PROBLEM Line fuse blows Line fuse does i not blow but the motor does i not run Motor cable or armature is shorted to ground Nuisance tripping caused by a combination of ambient conditions and high current spikes
36. t the deceleration time 1 Set the speed adjust potentiometer or input voltage signal for maximum speed The motor should run at maximum speed Set the speed adjust potentiometer or input voltage signal for minimum speed Measure the time it takes the motor to go from maximum to minimum speed If the time measured in step 2 is not the desired deceleration time turn the DECEL trim pot CW for a longer deceleration time or CCW for a shorter deceleration time Repeat steps 1 through 2 until the deceleration time is correct LGD Series Torque Mode Calibration MAX SPD and TORQUE trim pots must be recalibrated every time the drive is switched between Speed and Torque modes Disconnect power from the drive and connect a DC voltmeter across the armature Set the MAX SPD and TORQUE trim pots to the 12 o clock position Set the external potentiometer or input voltage for maximum Apply line power Adjust the TORQUE trim pot so the motor is running at the motor s maximum rated input voltage nameplate rating Remove line power and the DC voltmeter Be sure the motor is firmly mounted Connect a DC ammeter in series with the armature Carefully lock the motor armature Apply line power With the external potentiometer set to full CW or with the input voltage signal set for maximum slowly adjust the MAX SPD trim pot until the motor draws 100 of the motor s rated armature current nameplate rating Rem
37. tions Do not connect this equipment with power applied Failure to heed this warning may result in fire explosion or serious injury American Control Electronics strongly recommends the installation of a master power switch in the voltage input line as shown in Figure 9 page 21 The switch contacts should be rated at a minimum of 200 of motor nameplate current and 250 volts This power switch is provided with NEMA 1 and NEMA 4X models WARNING Power Input For chassis models connect the AC line power leads to terminals L1 and L2 American Control Electronics 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 9 on page 21 For enclosed models connect the AC line power leads to screw terminals 1 L1 and 2 L2 115 if using a 115 VAC line or to terminals 1 L1 L2 230 if using a 230 VAC line Refer to Figure 10 on page 22 Motor Drives supply motor armature voltage from A1 and A2 terminals It is assumed throughout this manual that when A1 is positive with respect to A2 the motor will rotate clockwise CW while looking at the output shaft protruding from the front of the motor If the motor does not spin in the desired direction remove power and reverse the A1 and A2 connections For chassis models connect a DC motor to terminals A1 and A2 as shown in Figure 9 on page 21 For enclose
38. 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 LGD 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 remote potentiometer with a chassis drive mount the speed adjust potentiometer through a 0 38 in 10 mm hole with the hardware provided Figure 7 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 A NUT STAR WASHER SPEED ADJUST POTENTIOMETER INSUL
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