PMDX-103 User`s Manual, revision 1.2
Contents
1. 3 each 0 150 dia holes for 6 screw Centronics 25 pin D connector Figure 1 PMDX 103 Dimensions and Mounting Holes WARNING The PMDX 103 should be protected from liquids dirt or chips especially metal chips which can cause shorts coming in contact with the board 6 0 Electrical and Environmental Specifications Power Supply Main Power In 7 to 12 VDC or9 VAC input 200 mA maximum on J6 or J4 Alt 5V In 5V DC regulated 200mA maximum see section 2 2 5V O utput 5V regulated up to 50 mA on J4 pin 2 see section 2 2 PC Isolated Side at J1 or J2 O utputs Min output high 4 6V sourcing up to 4mA per output see note 1 status except Ack Max output low 0 4V sinking up to 4mA per output see note 1 O utputs Min output high 3 3V sourcing up to 6mA see note 1 and 2 Ack Max output low 0 4V sinking up to 10mA see note 1 Inputs Min input high 2 0V data amp control Max input low 0 8V sinking at least 1mA per status input Note 1 Referenced to the Gnd signals on J1 or J2 Note 2 The Ack signal is pulled high by a resistive pull up PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 8 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 Equipment Non Isolated Side at J5 O utputs Min output high 4 6V sourcing up to 4mA per output2. The equipment connector provides an isolated version of the PC s 25 pin D connector This connector can be connected to equipment using the same cables that would be used when connecting directly to the PC s parallel port Two different connectors are available for the equipment side of the PMD X 103 determined by the full part number as shown in section 1 1 Ordering Information All of the status inputs on the equipment connector have 4 7K ohm pull up resistors and RC filters to reduce transient glitches PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 6 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 S iig Direction PC Signal relative to Rd 1 go 2 Name PMDX 103 ERUNT SM DEIN RT i SIS Direction PC Signal relative to MS 1 s 2 Name PMDX 103 ES p vago A m Paper End 4 7 Daa2 ot 5 9 Daa3 ot 6 1 Daa4 ot 8 15 Daa6 ot 17 8 Selectin out 10 to 26 Dope poe pex ERI Table 4 Equipment Connector Pin Out J5 and J3 L4 2 Aub feed out 15 4 cero in te 1 8 Lm p ot NOTE 1 J5 is the 25 pn D connector installed on part number PMD X 103 01 NOTE 2 j3isthe ribbon cable connector installed on part number PMD X 103 02 2 4 Power Connector J6 Connector J6 is used to provide either 7 to 12 VDC or 9 VAC power to the PMD X 103 This connector is a sta
3. see note 3 data amp control Max output low 0 4V sinking up to 4mA per output see note 3 Inputs Min input high 2 0V see note 3 status except Ack Max input low 0 8V sinking at least 1mA per status input see note 3 Inputs Min input high 3 3V see note 3 Ack Max input low 1 8V sinking at least 1mA see note 3 Note 3 Referenced to the Gnd signals on J5 Environmental Temperature 0 to 55 C Relative H umidity 20 to 80 relative humidity non condensing PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 9 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B 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 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 modificati
4. PMD X 103 Parallel Port Isolator Board User s Manual Document Revision 1 2 Date 20 February 2007 PCB Revision PCB 447B 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 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 1 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 Table of Contents DO OVER IU D Hr 3 11 Ordering Information part numbers essent nennen nnn teintes teni 3 12 Important Safety Information sssssseeseeeeennnntnnnnttnnnntttnn ttti ttti ttti ttti ttes iiis 3 T3 Warranty SUMMA y enirn re ten enn b adn n p D d repeti e niin 3 14 Features sse etae ede atiende aptata er ap RR 4 15 Updates to this Manual tette deterior nda onte d t e cr e c dd 4 2 0 Connectors 4 2 1 PG Parallel Port H nd 2 2 tere ren etenim reni 4 2 2 Alternate Power Connector JAk uara 6 2 3 Equipment Connector J5 and J3 w scssssssssssssssssssssessussssusessescssvscsssscsssecssssssssessusessusessusessusessvsessveesssessssessssessess 6 24 Power Connector J6 tn dein Haken ne A n I d d d Y eed UR n 7 3 0 Power LED DA eee ccrniscun mira ims anna cuan ua x 8 imam C cna Ra Amaii Adaa miaa An n RR Ran SERE SR RN RE RR RSEN RR ERN DRE 7 40 Grounding and Isolation Issues nr
5. dustrial 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 PMDX 103 is not guaranteed to be fail safe The system into which the PMD X 103 is installed should provide fail safe protection and emergency stop capability The PMDX 103 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 modest 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 103 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 are 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 PMDX 103 is warranted against failure due to defective parts or workmanship for 90 days from the da
6. eie renes enin enan nana ana aman trama amas natn auam a snas nau uS uA 7 5 0 Mechanical Specifications reri ee nene sees sena nana ma aman ana aa m aan a snas RR asma sns S uma REA 8 6 0 Electrical and Environmental Specifications nenne sienne nan n ana nnnn ama anan 8 Appendix A Warranty X 10 PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 2 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 1 0 Overview This document describes the configuration and operation of the PMD X 103 Parallel Port Isolator Board The PMDX 103 provides isolation for all PC parallel port signals ground data control and status between a PC and external equipment including industrial machinery This serves to isolate the PC interface from the external power and equipment This document pertains to the following versions of the PMD X 103 Circuit Board Revision PCB 447B marked on the bottom of the board 1 1 Ordering Information part numbers The PMD X 103 can be built with different connectors on the equipment side as designated by the full part numbers Part Number Equipment Side Connector PMDX 103 01 25 pin D connector matches the PC parallel port PMDX 103 02 26 pin ribbon cable header 1 2 Important Safety Information The PMDX 103 is intended for integration by the purchaser into in
7. ndard 2 1mm diameter coaxial power connector that is compatible with many wall mounted power packs WARNING When using J6 make sure that no power source is connected to J4 pin 2 5V or to J4 pin 3 Aux Power In See section 2 2 for more information Pin Desripion Positive voltage or AC voltage Table 5 Power Supply Connector Pin Out J6 3 0 Power LED D4 The PMDX 103 provides an LED D4 labeled Power that indicates the presence of the isolated 5V supply The isolated 5V supply is generated by the PMD X 103 using an isolated DC to DC converter and it is used to power the interface to the PC W hen the LED is lit the power converter is functioning NOTE W hen no power is applied to the PMD X 103 and the PMD X 103 is connected to the PC s parallel port this LED may glow dimly This is because the data and control outputs from the PC can source a small amount of power when driven high This l does not mean that power is available to the rest of the board l 4 0 Grounding and Isolation Issues Do not connect the PC ground to the equipment ground Doing so will bypass the isolation provided by the PMDX 103 PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 7 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 5 0 Mechanical Specifications c SE La 0 600 m D N 2
8. ons 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 D esign 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 D esign Inc makes no other representations or warranties as to fitness for purpose merchantability or otherwise in respect of the product N o other representations warranties or conditions shall be implied by statute or otherwise In no event shall Practical Micro D esign 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 loss 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 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 10 of 10 20 February 2007 All Rights Reserved
9. or J1 i e don t use both J1 and J2 at the same time PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 4 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 NOTE Some printer cables do not have good signal shielding Some cables also omit some of the status or control signals such as Auto Feed and Select Out 25 pin D connector pin numbers 14 and 13 respectively W e recommend using cables that are listed as IEEE 1284 compliant Pin Numbers Direction PC JA J2 PC Signal relative note 1 note 2 note 3 Name to PC 4 qo oe p sDua2 I 390 Pp 5 5 9 Daa3 ou 6 6 i Data4 ou 8 8 15 Da a6 owt toda e Ee Ack note 5 y Paper End Select O A ESENESE A i uto zm note 5 Error note 5 Init out note 5 Select In 19 30 10 to 26 18 25 Ma even Grout Table 2 PC Parallel Port Connectors J10 and J9 NOTE 1 The PC Pin number column lists the pin numbers as they would appear on the PC s 25 pin D connector when using a standard printer cable NOTE 2 Jj1 is the Centronics 36 pin connector on the PMD X 103 NOTE 3 J2 is the ribbon cable connector alternate to the Centronics 36 pin connector J2 NOTE 4 The Select In and Select Out signals are named relative to the printer s point of view That is why the Select In is an output from the PC and Select Ou
10. or J4 provides alternate connections for input power rather than using J6 and under some circumstances can provide a 5V output Pin 1 provides a ground reference for the non isolated i e equipment interface This ground is also connected to the main power connector J6 and the equipment connector J5 Pin 2 can be either a 5V input or a 5V output To use this pin as a power supply input connect a regulated 5V power supply across J4 pins 2 and 1 instead of using the Vin connections on JA or J6 Do not connect any power source to J4 pin 3 or to J6 when using J4 pin2 as a 5V supply input To use this pin as a 5V power output connect an AC or DC power supply to J4 pins 3 and 1 or to J6 In this case the PMD X 103 can supply a regulated 5V output at up to 50 mA Pin 3 provides an alternate connection for the main power supply input Connect the power supply either to J6 or across J4 pins 3 and 1 Do not connect any power source to J4 pin 2 when using either J6 or J4 pin3 as a power supply input Pin Label Description N on isolated ground 5V input or output see text Alt Vin Alternate Vin power supply voltage Table 3 Alternate Power Supply Connector Pin O ut J4 WARNING Connect only one power source to the PM DX 103 either on J6 or on J4 pin 3 or on J4 pin 3 Connecting power sources to more than one of these connector terminals will damage the PM DX 103 2 3 Equipment Connector J5 and J3
11. outputs via screw terminal connector e 8 each data outputs bi directional data is e Auxiliary 5 volt supply output available not supported for output only when not used as 5V input 1 5 Updates to this Manual Check the PMDX 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 103 page follow the links from the main page 2 0 Connectors The PMDX 103 contains the following connectors The following sections describe the pin out and functionality of each connector 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 circuit board Centronics 36 pin connector from PC parallel port J2 Ribbon cable alternate to J1 from PC parallel port Ribbon cable alternate to J5 to equipment available on part number PMDX 103 02 J5 25 pin D connector to equipment available on part number PMD X 103 01 Table 1 Summary of PMDX 103 Connectors 2 1 PC Parallel Port J1 and J2 The PMDX 103 provides a Centronics style connector for connections to a PC s parallel port This allows the use of a standard PC printer cable The board also provides a 26 pin ribbon cable header W hen used with a ribbon cable to 25 pin D connector cable J2 is an alternative to the Centronics connect
12. t is an input NOTE 5 The character at the beginning of some of the signal names indicates a signal that is active low measured at the PC s 25 pin D connector when connected to a printer The PMDX 103 does not care about signal polarities nor does it alter the signal polarities All signals on the equipment connector J5 or J3 have the same polarity as the corresponding signal on the PC connectors PMDX 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 5 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 The following web sites provide information regarding the PC s parallel port including pin outs signal names and useful data for software control of the parallel port e IBM PC Parallel Port FAQ and tutorial http www pmdx com Resources parallel po rt html and http et nmsu edu etti fall96 co mputer printer printer html e General information and lots of links http www lvr com par port htm e If the previous links do not work go to http www pmdx com our main web page click on the handy CNC information link and then look for the links to parallel port information pages Please note that these web links were accurate as of the printing date of this manual W hile we expect that these non PMD X sites will remain available at these addresses it is possible that they will move or disappear 2 2 Alternate Power Connector J4 Connect
13. te of sale Refer to Appendix A for complete warranty details If you have an item requiring service please see the support page on the PMDX 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 103 Manual 12 doc 2005 2007 Practical Micro Design Inc Page 3 of 10 20 February 2007 All Rights Reserved PMDX 103 User s Manual PCB Revision PC B 447B Document Revision 1 2 1 4 Features The PMDX 103 has the following features PC Parallel Port e 25 pin D connector w same pin out as a e Electrically isolates signals to from the PC PC parallel port part number parallel port PMD X 103 01 e Allows use of all 8 data bits 4 control e 26 pin ribbon cable header part number outputs and 5 status inputs PMD X 103 02 this connector replaces e Centronics cable connector uses standard the 25 pin D connector PC printer cable Power Supply e 26 pin ribbon cable connector for use with e 7 to 12 VDC or9 VAC input via 2 1mm optional ribbon cable to 25 pin D coaxial jack connector adapter cable e Alternate 5V input via screw terminal Equipment Connector connector e 5 each status inputs w pull up resistors e Alternate 7 to 12 VDC or 9 VAC input e 4 each control
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