Leeson 175290.00 User Manual Download Page 34 | Manualshive

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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 15 shows a

connection for fixed high and low speed adjust potentiometers.

Figure 15. Adjustable Fixed Speeds Using Potentiometers in Series

CW

S3

S2

S1

CW

5K

OHM

5K

OHM

HIGH

SPEED

LOW

SPEED

28

Application Notes

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Summary of Contents for 175290.00

Page 1: ...Models 175290 00 175291 00 175292 00 Pulse Width Modulated Adjustable Speed Drives for DC Brush Motors User s Manual 17529X 00 Series ...

Page 2: ...quipment through high efficiency Power LED gives a visual indication when power is applied to the drive Jumper reconnectable for low or high voltage Copyright 2002 by LEESON Electric All rights reserved No part of this manual may be reproduced or transmitted in any form without written permission from LEESON Electric The information and technical data in this manual are subject to change without n...

Page 3: ...uce the chance of an electrical fire 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 LEESON strongly recommends the installation of a master switch in the main power input to stop the drive in an emergency This drive is isolated from...

Page 4: ...1 JP501 8 Speed adjust potentiometer 9 Connections 11 Voltage follower 14 Operation 15 Before applying power 15 Startup and shutdown 16 Starting and stopping methods 17 Inhibit terminals 19 Power LED IL501 20 Calibration 21 MINIMUM SPEED MIN SPD 22 MAXIMUM SPEED MAX SPD 22 ACCELERATION ACCEL 23 IR COMPENSATION IR COMP 24 CURRENT LIMIT CUR LIMIT 25 ii ...

Page 5: ...ultiple fixed speeds 27 Adjustable speeds using potentiometers in series 28 Independent adjustable speeds 29 RUN JOG switch 30 Reversing 31 Troubleshooting 33 Before troubleshooting 33 Limited Warranty inside back cover iii ...

Page 6: ...age Follower Connections 14 Figure 9 Run Decelerate to Minimum Speed Switch 18 Figure 10 Inhibit Terminals 19 Figure 11 Power LED 20 Figure 12 Calibration Trimpot Layout 21 Figure 13 Approximate CUR LIMIT Settings 26 Figure 14 Multiple Fixed Speeds 27 Figure 15 Adjustable Fixed Speeds Using Potentiometers in Series 28 Figure 16 Independent Adjustable Speeds 29 Figure 17 RUN JOG Switch Connection t...

Page 7: ...common must be same as battery common 0 10 VDC Input Impedance S1 to S2 200KΩ Speed Regulation of base speed 1 Speed Range 80 1 Form Factor 1 01 Ambient Operating Temperature Range 10 C 40 C Weight 175290 00 1 7 lbs 175291 00 3 6 lbs 175292 00 3 6 lbs 1 At 40 C ambient No additional heat sink is necessary 2 Or up to 95 of available battery voltage 3 The lower maximum armature voltage is selectable...

Page 8: ...01 IL501 TB501 C501 JP501 3 2 1 A2 VDC INPUT VDC INPUT POWER S3 S2 S1 INHIBIT T I M I L R U C P M O C R I D P S N I M ACCEL MAX SPD A1 0 70 18 0 70 18 2 20 56 0 95 24 0 19 5 6 90 175 6 30 160 0 30 8 5 50 140 3 70 94 4 44 113 3 74 95 2 41 61 0 36 9 0 50 13 ALL DIMENSIONS IN INCHES MILLIMETERS ...

Page 9: ...2 1 01 26 0 15 4 1 96 50 3 21 82 6 30 160 6 30 160 0 74 19 0 19 5 3 00 76 1 99 51 6 90 175 6 38 162 0 49 12 3 60 91 Figure 2 175291 00 and 175292 00 Dimensions ALL DIMENSIONS IN INCHES MILLIMETERS Dimensions SO501 JP501 3 2 1 S3 S2 S1 INHIBIT T I M I L R U C P M O C R I D P S N I M ACCEL MAX SPD ...

Page 10: ...bient operating temperature range Prevent loose connections by avoiding excessive vibration of the drive Mount drive with its board in either a horizontal or vertical plane Six 0 19 in 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 Mounting Warning Do not install rewire or remove this control with input power...

Page 11: ...ipment with power applied Failure to heed this warning may result in fire explosion or serious injury This drive is isolated from earth 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 Opening any one motor lead may destroy the drive This driv...

Page 12: ...e 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 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 po...

Page 13: ... Figure 3 below Fuse Circuit breaker protection All LEESON drives should be protected by a fuse or circuit breaker Use a fast acting fuse or circuit breaker rated for approximately 200 of the maximum armature current and armature voltage Connect the fuse or circuit breaker to the VDC IN side of the DC voltage input Installation Figure 3 Heatsink mounting Heatsink Fins ...

Page 14: ...JP501 Jumper 501 Jumper 501 JP501 LEESON 17529X 00 series drives are shipped with pins 1 and 2 jumpered on JP501 This allows you to use 24 VDC motors with the 175290 00 and 175291 00 or 48 VDC motors with the 175292 00 To use lower voltage DC motors 12 VDC or 36 VDC respectively jumper pins 2 and 3 with the jumper provided See Figure 4 for the location of JP501 175290 00 16 Amp 12 24 VDC 175291 00...

Page 15: ...ardware provided see Figure 5 on Page 10 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 speed adjust potentiometer wires are longer than 18 in 457 mm use shielded cable Keep speed adjust potentiometer wires separate from power leads VDC VDC A1 A2 Speed adjus...

Page 16: ...st Potentiometer S3 S2 S1 INHIBIT SO501 C504 C502 C507 JP501 3 2 1 T I M I L R U C P M O C R I D P S N I M ACCEL MAX SPD CW 10K OHM SPEED POTENTIOMETER POT TAB ASSIGNMENTS WIPER CW CCW SPEED ADJUST POTENTIOMETER INSULATING DISK PANEL STAR WASHER NUT MOUNT THROUGH A 0 38 IN 10 MM HOLE ...

Page 17: ... Installation This product does not have internal solid state motor over load protection It does not contain speed sensitive overload protection thermal memory retention or provisions to receive and act upon signals from remote devices for over temperature protection If motor overload protection is needed in the end use product it needs to be provided by additional equipment in accordance with NEC...

Page 18: ...le pole master power switch as shown in Figure 7 page 13 recommended Fuse Wire a power input fuse between the stop switch if installed and the VDC IN terminal on the circuit board The fuse should be rated at 150 of input voltage and 150 200 of maximum motor nameplate current Motor LEESON drives supply motor voltage from A1 and A2 terminals It is assumed throughout this manual that when A1 is posit...

Page 19: ...13 Figure 7 Power Fuse and Motor Armature Connections NEG POS FUSE EMERGENCY STOP MOTOR ARMATURE C505 R502 L501 D501 R501 L501 TB501 C501 R503 A2 VDC INPUT VDC INPUT OWER A1 Installation ...

Page 20: ...n in Figure 8 Connect the signal input to S2 Connect the signal common to S1 Make no connection to S3 The analog signal common must be the same common as the battery common connected to VDC INPUT Figure 8 Voltage Follower Connections 0 10 VDC SIGNAL INPUT SIGNAL COMMON SO501 INHIBIT C504 S3 S2 S1 MIN SPD ACCEL M Installation ...

Page 21: ...that all jumpers are properly set Warning Dangerous voltages exist on the drive when it is powered and up to 30 seconds after power is removed and the motor stops BE ALERT High voltages can cause serious or fatal injury For your safety use personal protective equipment PPE when operating this drive Operation ...

Page 22: ...CW or increase the voltage signal The motor slowly accelerates as the potentiometer is turned CW or the voltage signal is increased Continue until the desired speed is reached 4 Remove DC voltage input from the drive to coast the motor to a stop If the motor or drive does not perform as described disconnect the DC voltage input immediately Refer to the Troubleshooting section page 33 for further a...

Page 23: ...quent decelerating to minimum speed produces 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 Line starting and line stopping Line starting and line stopping applying and removing DC voltage input is recommended for infrequent sta...

Page 24: ...te a motor to minimum speed see Figure 9 Close the switch between S1 and S2 to decelerate the motor from set speed to minimum speed Open the switch to accelerate the motor from minimum speed to set speed The ACCEL trimpot setting determines the rate at which the motor accelerates S3 S2 S1 RUN DECEL TO MIN SPEED 10K OHM SPEED ADJUST POTENTIOMETER CW ...

Page 25: ...other 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 See Shielding Guidelines page 6 C506 INHIBIT SO501 C504 C502 C507 JP501 3 2 1 S3 S2 S1 T I M I L R U C P M O C R I D P S N I M ACCEL MAX SPD I N H I B I T F...

Page 26: ...e Figure 11 below for the power LED location Figure 11 Power LED Operation A1 A2 VDC INPUT VDC INPUT R502 C506 INHIBIT SO501 C504 C505 L501 D501 Q503 Q501 Q504 R501 IL501 Q502 TB501 C501 C502 C507 R503 JP501 3 2 1 POWER S3 S2 S1 T I M I L R U C P M O C R I D P S N I M ACCEL MAX SPD Power LED IL501 ...

Page 27: ...Figure 12 Calibration Figure 12 Calibration Trimpot Layout Warning Dangerous voltages exist on the drive when it is powered and up to 30 seconds after power is removed and the motor stops When possible disconnect the voltage input from the drive before adjusting the trimpots If the trimpots must be adjusted with power applied use insulated tools and the appropriate personal protection equipment BE...

Page 28: ...nput signal to minimum 4 Adjust the MIN SPD trimpot until the desired minimum motor speed is reached MAXIMUM SPEED MAX SPD The MAX SPD setting determines the motor speed when the speed adjust potentiometer is turned full CW It is factory set for maximum rated speed To calibrate MAX SPD 1 Set the MAX SPD trimpot full CCW 2 Apply power to the drive and turn the speed adjust potentiometer full CW If ...

Page 29: ...the ACCEL trimpot full CCW 2 Apply power to the drive and turn the main speed adjust potentiometer full CW If an input voltage signal is used instead of a speed adjust pot set the input signal to maximum Note the time that the drive takes to accelerate to the desired speed 3 Adjust the ACCEL trimpot until the desired acceleration time is reached Turn the ACCEL trimpot CW to increase the accelerati...

Page 30: ...until the motor runs at midspeed without load for example 900 RPM for an 1800 RPM motor A hand held tachometer may be used to measure motor speed 3 Load the motor armature to its full load armature current rating The motor should slow down 4 While keeping the load on the motor rotate the IR COMP trimpot until the motor runs at the speed measured in step 2 If the motor oscillates overcompensation t...

Page 31: ...e Be sure that the motor is firmly mounted 5 Apply line power The motor should be stopped 6 Slowly adjust the CUR LIMIT trimpot CW slowly until the armature current is 100 of motor rated armature current 7 Set the speed adjust potentiometer or input voltage to minimum 8 Remove the power from the drive and unlock the motor shaft 9 Remove the ammeter in series with the motor armature if it is no lon...

Page 32: ...26 15A 0A 60A 45A 30A CUR LIMIT CUR LIMIT CUR LIMIT 30A 15A 60A 45A 25A 35A 0A 10A 16A 175292 00 175291 00 175290 00 0A Figure 13 Approximate CUR LIMIT Settings Calibration ...

Page 33: ...sistors with a total series resistance of 10K ohms Figure 14 Add a single pole multi position switch with the correct number of positions for the desired number of fixed speeds Figure 14 Multiple Fixed Speeds S3 S2 S1 R1 R2 R4 TOTAL SERIES RESISTANCE 10K OHMS R3 Application Notes ...

Page 34: ...position switch and two or more potentiometers in series with a total series resistance of 10K ohms Figure 15 shows a connection for fixed high and low speed adjust potentiometers Figure 15 Adjustable Fixed Speeds Using Potentiometers in Series CW S3 S2 S1 CW 5K OHM 5K OHM HIGH SPEED LOW SPEED 28 Application Notes ...

Page 35: ...ition switch and two or more potentiometers in parallel with a total parallel resistance of 10K ohms Figure 16 shows the connection of two independent speed adjust potentiometers that can be mounted at two separate operating stations Figure 16 Independent Adjustable Speeds S3 S2 S1 SPEED 1 SPEED 2 20K OHM CW CW 20K OHM ...

Page 36: ...quired Use a single pole two position switch for the RUN JOG switch and a normally closed momentary operated pushbutton for the JOG pushbutton see Figure 17 When the RUN JOG switch is set to JOG the motor decelerates to minimum speed Press the JOG pushbutton to jog the motor Return the RUN JOG switch to RUN for normal operation S3 S2 S1 10K OHM SPEED POT JOG RUN JOG PUSHBUTTON CW Application Notes...

Page 37: ...TIONS WHILE THE MOTOR IS STILL RUNNING Plug reversing the motor not allowing the motor to come to a stop before reversing will cause excessively high currents to flow in the armature circuit which can damage the control and or motor and is not recommended Reversing Application Notes Warning Do not operate the control outside the recommended input 10 ...

Page 38: ...C A U T I O N Customer Supplied 3PDT Center Off Center Blocked Switch A1 S1 S2 S3 VDC INPUT VDC INPUT TB501 MAX SPD ACCEL CUR LIMIT IR COMP MIN SPD INHIBIT POWER 1 2 3 JP501 C501 Q502 IL501 SO501 Q504 Q501 Q503 L501 C506 R502 2 C505 C504 A2 BATTERY Customer Supplied SPST Switch POT LOW POT HIGH POT WIPER MOTOR ...

Page 39: ...correct and in good condition 5 Verify that there are no short circuits or grounded connections 6 Check that the drive s rated armature voltage and current is consistent with the motor ratings For additional assistance contact your local LEESON distributor or representative Warning Dangerous voltages exist on the drive when it is powered and up to 30 seconds after power is removed and the motor st...

Page 40: ...e voltage 1 Check that line fuses are the correct size 2 Check motor cable and armature for shorts 3 Add a blower to cool the drive components decrease CUR LIMIT settings or resize motor and drive for actual load demand or check for incorrectly aligned mechanical components for jams See page 25 for information on adjusting the CUR LIMIT trimpot 1 Increase speed adjust pot or reference voltage sett...

Page 41: ...alibrate MIN SPD and MAX SPD 1 Increase MAX SPD setting 2 Increase IR COMP setting 3 Check motor load Resize the motor and drive if necessary 1 Adjust the IR COMP setting slightly CCW until the motor speed stabilizes 2 Check that motor and drive are of sufficient horsepower and amperage Line fuse does not blow but the motor does not run cont Motor runs too fast at maximum speed setting Motor runs ...

Page 42: ...36 Notes ...

Page 43: ...s of Liability In the event of any claim for breech of any of LEESON Electric 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 LEESON Electric by lawful authority LEESON Electric shall under no circumstances...

Page 44: ...1051 Cheyenne Avenue Grafton WI 53024 0241 U S A Document Number 250 0337 Revision 5 Printed in the U S A 8 14 U S A 12 00 Canada 13 00 ...

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