PMDX-135 Power Prep Module User`s Manual
Contents
1. sssssnsususununununununnnnnnnnnnnnnnnnunununununennnnnnnnnnnnnnnnannnan aneneen nn 6 6 1 Selecting AC Input and DC Output Voltages ENEE 6 6 2 Selecting Transformer Current Rating 6 7 0 Mechanical Specifications cssssssssssessssesseeseeesesseneseeseseesseoesoesoesoeseenesoesoessuaeeoesousseaesaoeonsoes 7 8 0 Electrical and Environmental Specifications s s s s snenenennnnnnnnunununununununnnnnnnnnnnnnnnnnnanannn nnen nn 7 Appendix A Warrant y scsscssssesssscssessesseessneseessenseneeoesoeseesneneeoesseseuaeeaeeoesoeneuaeeoesouseeassneeoesousseaesoesonss 8 PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 2 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 1 0 Overview This document describes the configuration and operation of the PMD X 135 Power Prep Module This document pertains to the following versions of the PMD X 135 Circuit Board Revision PCB 456A and PCB 456B marked on the bottom of the board 1 1 Ordering Information part numbers The PMD X 135 can be built to support various output voltage and current requirements as designated by the full part numbers Part Number Output Capacity PMD X 135 8020 80 VDC up to 20 Amperes PMD X 135 5020 50 VDC up to 20 Amperes For lower voltage applications the PMD X 135 5020 is preferred over the PMD X 135 8020 because the PMD X 135 5020 offers greater fil2. circuit board AC Power Input DC Power O utput Table 1 Summary of PMDX 135 Connectors 3 1 AC Power Input Connector J1 Connector J1 provides alternate connections for the input AC power Pin Label Description __ S Table 2 AC Power Input Connector Pin O ut J1 WARNING The AC input must be transformer isolated from the mains input Auto transformers and variable Variac transformers DO NOT provide suitable isolation 3 2 DC Power Output Connector J2 Connector J2 provides the unregulated DC output power Label Description _ _ _ o i Pin Positive DC output Table 3 DC Ouput Power Connector Pin Out J2 4 0 LED Indicators The PMDX 135 provides two LED indicators D S1 labeled DC Output ON indicates the presence of DC voltage on the output connector DS2 labeled DUMP indicates that the circuit is dumping excessive charge from the filter capacitors PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 5 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 5 0 Dump Circuit The dump circuit works by placing a heavy resistor load on the DC output whenever the output rises above the internally generated voltage This helps prevent damage to motor drivers when the back EMF from decelerating motors causes current to flow back into the power supply and thereby trying to raise th
3. MD X 135 5020 Both versions support up to 20 Amperes Dump Circuit Electronic back EMF dump circuit to shunt excess power returned by motors to help prevent over voltage on the DC output Rapid discharge circuit to remove charge from filter capacitors within 5 seconds or removal of input power Check the PMD X web site for revisions or updates to this manual http www pmdx com The latest revision of this manual is available on the PMD X 135 page follow the links from the main page 2 0 Sample Input Wiring Diagram Double pole In rush Power Switch current limiter E Stop Switch Power or Relay optional Transformer To PMDX 135 AC Input Figure 1 Sample input wiring diagram WARNING The AC input must be transformer isolated from the mains input Auto transformers and variable Variac transformers DO NOT provide suitable isolation PMDX 135_Manual_12 doc 20 February 2007 2005 2007 Practical Micro Design Inc All Rights Reserved Page 4 of 8 PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 3 0 Connectors The following sections describe the pin out and functionality of each of the PMD X 135 connectors For all connectors pin 1 is the pin closest to the reference designator i e J1 pin 1 is the pin closest to the J1 text on the circuit board In addition all connectors have square pads on pin 1 look on the bottom of the
4. PMDX 135 Power Prep Module User s Manual Document Revision 1 2 Date 20 February 2007 PCB Revision PCB 456A and PC B 456B PMDX W eb http www pmdx com 9704 D Gunston Cove Rd Phone 1 703 372 2975 Lorton VA 22079 2366 USA FAX 1 703 372 2977 PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 1 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 Table of Contents LO e VW UE 3 1 1 Ordering Information part MUMDELS ENEE 3 1 2 Important Safety Information EEN 3 Fa Warranty ti TEEN ed 3 14 e RI 4 15 Updates to this Manuel deed 4 2 0 Sample Input Wiring Diagram s s sssenenenonnnnnnnnnnunununununnnnnnnnnnnnnnnnnnununenennnnnnnnn mnnn nnnnnnnananan ennnen nn 4 3 0 COMME CHOMS un sssssssssscesesnnseacsoeennenaenaesonennenausaueaeeagucausous saeaaunausaueaasnausaesaneaaunaesoeeaaeaaesausaenaeenarsaesaneas 5 3 1 AG Power nput Connector Geiger eier 5 3 2 DC Power Output Connector J2 csscssssscssscsssscssscsssscssssssssssssscssusessuscssvscssvssssssssssssssssssesessusessusessnsessesessees 5 4 0 LED INCICATOSS sssssssesseeeesesesseeneoesoensenneaeeoeseeneeaeeoesaeneeaaeaesoeseeauaeeoesauseeaeeoesousouneeaeeousoeneeaeeoesons 5 BO Dump Circuit sesersrrsrrsrssesrrsrrsrrsuersrsErsEueesEsEsEEREEEEREEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEER 6 6 0 Voltage and Transformer Selection
5. age 1 414 1 5V In this case our 48 volt transformer could yield a worst case output voltage of 110 108 48 1 414 1 5 which equals 79 13 volts DC For this reason if you intend to power Geckodrive products near their rated input voltage 80V DC PMDX recommends that the supply be limited to transformers that will not cause greater than 80V DC output when all factors are worst case 6 2 Selecting Transformer Current Rating Transformers are most often rated in RMS output current The input of a bridge rectifier capacitor filter power supply is not an RMS load Indeed it has a much worse load factor Conservative design recommendations for transformer manufactures may specify that the transformer be RMS rated for as much as 1 8 times the DC output current of the bridge rectifier capacitor filter power supply One exception to this may be transformers that are specified for rectifier duty PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 6 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 7 0 Mechanical Specifications La 8 000 e zi O 3 050 NEG D 24 to 80 18 to 56 GC to VOLTS POS AC Input J2 S WEE 7 850 gt 4 each 0 150 dia holes for 6 screw See Figure 2 PMDX 135 Dimensions and Mounting Holes The maximum clearance height above the PMD X 135 circui
6. e output voltage W hen the PMD X 135 senses this voltage surge the resistive load is applied to help absorb the excess voltage The DUMP LED indicates when this is occurring The dump circuit resistors are intended for short bursts of operation If the dump circuit is active more than 10 of the time the resistors may overheat The dump circuit also acts to rapidly discharge the main filter capacitors when the input power is removed 6 0 Voltage and Transformer Selection There are several factors to consider when choosing input and output voltages for the PMD X 135 as described in the following sections 6 1 Selecting AC Input and DC Output Voltages The PMD X 135 s output voltage is specified by the following equation DC output voltage AC input voltage 1 414 1 5 volts For example 48 volts AC input yields 66 37 volts DC on the output Input voltage should be selected to allow some safety margin in the output voltage Some transformer output voltages may be several percent higher than specified by the manufacturer when lightly loaded This property is sometimes specified as percent regulation by the transformer manufactures Toroid transformers typically have better regulation than conventional transformers Additionally the AC mains voltages can often be 10 higher than nominal Therefore use the following equation to calculate the worst case output voltage high line regulation factor nominal volt
7. re protected from moving parts that may be under remote control and may move unexpectedly This product may not be used in life support or other critical safety applications 1 3 Warranty Summary The PMD X 135 is warranted against failure due to defective parts or workmanship for 90 days from the date of sale Refer to Appendix A for complete warranty details If you have an item requiring service please see the support page on the PMD X web site http www pmdx com for return instructions The purchaser must pay shipping to return the unit to PMDX W e will ship the repaired unit back to you via ground transportation at our expense Repairs are normally completed within 10 business days See Appendix A for our complete warranty details PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 3 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual Document Revision 1 2 1 4 Features The PMD X 135 has the following features Designed for True 20 Amp Performance e Multiple filter capacitors to reduce heating caused by high ripple current e Heatsink on bridge rectifier e Extra large copper areas on PCB in high current areas AC Input Power e 18 to 56 volts AC for the PMD X 135 8020 e 18 to 36 volts AC for the PMD X 135 5020 1 5 Updates to this Manual PCB Revision PCB 456A and PC B 456B DC Output Power 24 to 80 volts DC for the PMD X 135 8020 24 to 50 volts DC for the P
8. s of revenue or profit resulting from the use of the product or d as a result of any event circumstance action or abuse beyond the control of Practical Micro Design Inc whether such damages be direct indirect consequential special or otherwise and whether such damages are incurred by the person to whom this warranty extends or a third party PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 8 of 8 20 February 2007 All Rights Reserved
9. t board is 2 175 inches and beneath the circuit board is 0 125 inches WARNING The PMDX 135 should be protected from liquids dirt or chips especially metal chips which can cause shorts coming in contact with the board 8 0 Electrical and Environmental Specifications Power Power In PMD X 135 8020 18 to 56 volts AC PMD X 135 5020 18 to 36 volts AC note that the exact input voltage depends on your desired DC output voltage Power Out PMD X 135 8020 24 to 80 volts DC unregulated with a minimum of 23 500 uF filter PMD X 135 5020 24 to 50 volts DC unregulated with a minimum of 48 000 uF filter note that the exact output voltage depends on AC input voltage Dump Circuit Duty Cycle 10 maximum Environmental Temperature 0 to 55 C Relative H umidity 20 to 80 relative humidity non condensing WARNING Forced air cooling is required for operation in ambient temperatures above 40 C and is recommended for operation above 30 C or when drawing near full load PMDX 135_Manual_12 doc 2005 2007 Practical Micro Design Inc Page 7 of 8 20 February 2007 All Rights Reserved PMDX 135 User s Manual PCB Revision PCB 456A and PC B 456B Document Revision 1 2 Appendix A Warranty Statement Practical Micro Design Inc PMD warrants that this hardware product is in good working condition according to its specifications at the time of shipment for a period of 90 days from the date it
10. ter capacitance The appearance and number of filter capacitors can vary between the different PMD X 135 models as well as among boards of the same model due to different vendors of filter caps 1 2 Important Safety Information The PMD X 135 is intended for integration by the purchaser into industrial control systems It is solely the purchaser s responsibility to assure that the system is configured in a manner consistent with applicable safety requirements Practical Micro Design Inc does not control how this board is integrated into the purchaser s system and cannot be responsible for guaranteeing the safety of your system The PMD X 135 is not guaranteed to be fail safe The system into which the PMD X 135 is installed should provide fail safe protection and emergency stop capability The PMD X 135 contains circuitry that may be connected to dangerous voltages Care must be taken that user cannot come in contact with these voltages An enclosure that allows for adequate ventilation but prevents intrusion by operator s hands and foreign objects especially conductive byproducts of machining operations should be utilized with this board Interlock switches on power circuits should remove power when the enclosure is opened Automated machine tools into which the PMD X 135 may be integrated can cause injury Precautions should be taken to assure that operators are trained in their proper operation and safety procedures and that they a
11. was shipped from PMD Should the product in PMD s opinion malfunction within the warranty period PMD will repair or replace the product without charge Any replaced parts become the property of PMD This warranty does not apply to the software component of a product or to a product which has been damaged due to accident misuse abuse improper installation usage not in accordance with product specifications and instructions natural or personal disaster or unauthorized alterations repairs or modifications Limitations All warranties for this product expressed or implied are limited to 90 days from the date of purchase and no warranties expressed or implied will apply after that period All warranties for this product expressed or implied shall extend only to the original purchaser The liability of Practical Micro Design Inc in respect of any defective product will be limited to the repair or replacement of such product Practical Micro Design Inc may use new or equivalent to new replacement parts Practical Micro Design Inc makes no other representations or warranties as to fitness for purpose merchantability or otherwise in respect of the product No other representations warranties or conditions shall be implied by statute or otherwise In no event shall Practical Micro Design Inc be responsible or liable for any damages arising a from the use of the product b from the loss of use of the product c from the los
Download Pdf Manuals
Related Search