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30

Problem

Possible

Causes

Suggested

Solutions

Troubleshooting

1. MIN OUT and

MAX OUT not
calibrated.

1. MAX OUT setting

is too low.

2. INPUT ADJ

setting is too low.

3. IR COMP setting

is too low.

4. Motor is

overloaded.

1. Calibrate MIN

OUT and MAX
OUT.

1.  Increase MAX

OUT setting.

2.  Recalibrate

INPUT ADJ
setting.

3.  Increase the IR

COMP setting.

4.  Check motor load.

Resize the motor
and drive if
necessary.

Motor runs too
slow or too fast

Motor will not
reach the desired
speed

Summary of Contents for PCMXP Series

Page 1: ...USER S MANUAL PCMXP Series Isolated Input Pulse Width Modulated Adjustable Speed Drives for DC Brush Motors Models PCMXP02 115AC PCMXP05 115AC PCMXP10 115AC...

Page 2: ...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 f...

Page 3: ...re shock or explosion by proper grounding over current protection thermal protection and enclosure Follow sound maintenance procedures It is possible for a drive to run at full speed as a result of a...

Page 4: ...signal header SW501 8 Connections 9 Operation 10 Before applying power 10 Startup 10 Line starting and line stopping 11 Automatic restart upon power restoration 11 Decelerating to minimum speed 12 Dyn...

Page 5: ...dent adjustable speeds 22 RUN JOG switch 22 Reversing 24 Reversing with a DIGI LOK Controller 26 Troubleshooting 27 Before troubleshooting 27 Block Diagram 32 Replacement Parts 34 Unconditional Warran...

Page 6: ...ic Braking Connections for a Manual Input and b Signal Input 13 Figure 8 Typical CURRENT LIMIT and IR COMP Settings actual settings may vary with each application 19 Figure 9 Multiple Fixed Speeds 20...

Page 7: ...e 5 ADC AC Line Voltage 115 VAC 10 50 60 Hz single phase Armature Voltage Range 0 130 VDC Form Factor at base speed 1 05 Acceleration Deceleration Time with load 1 second Analog Input Voltage Range in...

Page 8: ...nsions Model Dimension A PCMXP02 115AC 1 77 45 PCMXP05 115AC 2 36 60 PCMXP10 115AC 2 88 73 SIX MOUNTING SLOTS 0 19 5 WIDE x 0 34 9 DEEP ALL DIMENSIONS IN INCHES MILLIMETERS Figure 1 PCMXP Series Dimen...

Page 9: ...he terminal block and calibration trimpots Mount the drive away from other heat sources Operate the drive within the specified ambient operating temperature range Prevent loose connections by avoiding...

Page 10: ...Screw Warning Do not install remove or rewire this equipment with power applied Failure to heed this warning may result in fire explosion or serious injury This drive is isolated from earth ground Ci...

Page 11: ...elves 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...

Page 12: ...Heat Sink Compound between the drive chassis and heat sink surface for optimum heat transfer Line fusing Protect all PCMXP Series drives with AC line fuses Use fast acting AC line fuses rated for 250...

Page 13: ...speed adjust potentiometer Twist the speed adjust potentiometer wire to avoid picking up unwanted electrical noise If potentiometer leads are longer than 18 in 457 mm use shielded cable see Wiring sec...

Page 14: ...mper on the manual signal header SW501 to set the drive for manual speed adjust potentiometer input or 0 10 VDC signal input See Figure 4a and 4b for manual and signal settings Figure 4 Manual Signal...

Page 15: ...and A2 A1 is positive with respect to A2 It is assumed throughout this manual that the driven motor will rotate clockwise CW while looking at the output shaft protruding from the front of the motor If...

Page 16: ...ckwise CCW If the drive follows a voltage signal set the voltage signal to 0 VDC 2 Apply AC line voltage 3 Slowly advance the speed adjust potentiometer clockwise CW If a voltage signal is used slowly...

Page 17: ...ng 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 adj...

Page 18: ...A switch may be added to the drive s input to decelerate the motor from set speed to minimum speed See Figure 6a and 6b for switch connections for both manual and signal input Close the switch to dec...

Page 19: ...Figure 7a and 7b For the RUN BRAKE switch use a double pole double throw switch rated for at least the maximum DC armature voltage and maximum braking current b Signal Input a Manual Input Figure 7 D...

Page 20: ...otor Armature Dynamic Brake Dynamic Brake Current Rating Resistor Value Resistor Wattage Less than 2 ADC 1 ohm 1W 2 3 ADC 5 ohm 5W 3 5 ADC 10 ohm 10W 5 10 ADC 20 ohm 20W 10 17 ADC 40 ohm 50W For motor...

Page 21: ...tallic screwdriver for calibration Each trimpot is identified on the printed circuit board Calibration Warning Dangerous voltages exist on the drive when it is powered When possible disconnect the vol...

Page 22: ...he 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...

Page 23: ...imum full CCW 3 Lock the motor armature Be sure that the motor is firmly mounted 4 Connect power to the drive The motor should remain stopped 5 Set the speed adjust potentiometer to maximum full CW 6...

Page 24: ...s not maintain set speed as the load changes gradually rotate the IR COMP trimpot CW If the motor oscillates overcompensation the IR COMP trimpot may be set too high CW Turn the IR COMP trimpot CCW to...

Page 25: ...19 Figure 8 Typical CURRENT LIMIT and IR COMP Settings actual settings may vary with each application Calibration...

Page 26: ...the speed adjust potentiometer with series resistors with a total series resistance of 10K ohms Figure 9 Add a single pole multi position switch with the correct number of positions for the desired nu...

Page 27: ...d 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 10 shows a connection for fixed high and low...

Page 28: ...G 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 Independent adjustable speeds Replace the...

Page 29: ...23 b Signal Input a Manual Input Figure 12 RUN JOG Switch for a Manual Input and b Signal Input Application Notes...

Page 30: ...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 dir...

Page 31: ...25 Figure 14 Reversing with Signal Input Application Notes...

Page 32: ...out the inhibit feature the DIGI LOK will continue to regulate This will cause overshoot when the DIGI LOK is switched back to the drive Figure 15 shows the connection of the reversing circuit to a PC...

Page 33: ...is correct and in good condition 5 Verify that there are no short circuits or grounded connections 6 Check that the manual signal switch is properly set 7 Check that the drive s rated armature output...

Page 34: ...bination of ambient conditions and high current spikes i e reversing 1 MIN OUT and MAX OUT settings are too high 1 Check that line fuses are the correct size 2 Check motor cable and armature for short...

Page 35: ...rive is in current limit 5 Drive is not receiving AC line voltage 6 Motor is not connected 1 Increase the speed adjust potentiometer or voltage setting 2 Check connections to input Verify that connect...

Page 36: ...INPUT ADJ setting is too low 3 IR COMP setting is too low 4 Motor is overloaded 1 Calibrate MIN OUT and MAX OUT 1 Increase MAX OUT setting 2 Recalibrate INPUT ADJ setting 3 Increase the IR COMP settin...

Page 37: ...s set too high 2 Motor bouncing in and out of torque limit 1 Adjust the IR COMP setting slightly CCW until the motor speed stabilizes 2 Make sure motor is not undersized for load adjust the TQ LIMIT t...

Page 38: ...33 32 Block Diagram Figure 16 PCMXP Block Diagram...

Page 39: ...Potentiometer Kit 202 0066 PCMXP05 115AC C501 1000 F 200 V Capacitor 011 0096 D501 16 A 300 V Diode 071 0050 Q501 502 Power MOSFET 070 0043 R502 3 3 K 10 W Resistor 032 0131 TH501 20 A Limiter 033 000...

Page 40: ...NOTES 35...

Page 41: ...NOTES 36...

Page 42: ...C Limitations of Liability In the event of any claim for breech of any of the Corporation s obligations whether express or implied and particularly of any other claim or breech of warranty contained i...

Page 43: ...t Thompson Avenue Glendale California 91201 2011 Phone 800 MINARIK or 800 646 2745 Fax 800 394 6334 www minarikcorp com Document Number 250 0211 Revision 1 Printed in the U S A 7 01 U S A 12 00 Canada...

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