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PCMCIA 1 Port RS422/485

Introduction

Intro

4

RS422 Serial Port Cables........................................................38
RS485 Operation.....................................................................39
RS485 Cable. ..........................................................................39
RS485 One Talker - Many Listeners, Half Duplex. ...............40
RS485 Many Talkers- Many Listeners, Half Duplex. ............41
RS485 Many Talkers- Many Listeners, Full Duplex..............41
Optional Grounding Arrangements.........................................43

I

NDEX

.............................................................................................46

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Summary of Contents for PM-120

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...1 2 EDITION OCTOBER 1999 PCMCIA 1 PORT RS422 485 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 3: ...rights reserved No part of this hardware circuitry or manual may be duplicated copied transmitted or reproduced in any way without the prior written consent of the Manufacturer Due to the Manufacturer...

Page 4: ...485 Card Chapter 2 Installing the card into the PC Explains how to insert a new PCMCIA card Chapter 3 Software Installation This chapter details how to install and configure the PCMCIA 1 Port RS422 48...

Page 5: ...ocedure 12 Windows 98 Floppy Installation Procedure 14 PCMCIA Card Setup in Windows 95 Windows 98 and Windows Millennium 16 PCMCIA Port Setup in Windows 95 Windows 98 and Windows Millennium 17 Windows...

Page 6: ...485 Cable 39 RS485 One Talker Many Listeners Half Duplex 40 RS485 Many Talkers Many Listeners Half Duplex 41 RS485 Many Talkers Many Listeners Full Duplex 41 Optional Grounding Arrangements 43 INDEX 4...

Page 7: ...byte output buffer on each port Full modem control TX RX RTS CTS and GND signals Fully double buffered for reliable asynchronous operation High speed integrated circuitry ensures operation with fast...

Page 8: ...card is hot plug compatible it may be inserted into your pcmcia type 2 slot when the machine is either off or powered on Please refer to your machine user guide for detailed instructions on inserting...

Page 9: ...ne even if the machine is powered ON If installing from a power off condition Windows 95 should then load normally During the booting process Windows 95 will detect the card and briefly display a mess...

Page 10: ...3 Page 8 Windows 95 CD ROM Installation Procedure Click Other Locations Type drive diskimg sswin9x substituting the letter of your CD ROM drive for drive Click OK Artisan Technology Group Quality Inst...

Page 11: ...nstallation Chapter 3 Page 9 Click Finish Click OK Type drive diskimg sswin9x substituting the letter of your CD ROM drive for drive Click OK Artisan Technology Group Quality Instrumentation Guarantee...

Page 12: ...485 Software Installation Chapter 3 Page 10 Windows 95 Floppy Disk Installation Procedure Click Finish Click OK Type a Click OK Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC...

Page 13: ...power off condition Windows 98 should then load normally During the booting process Windows 98 will detect the card and briefly display a message box indicating the detection process Windows will the...

Page 14: ...allation Procedure Choose the Search for the best driver for your device Click Next Select Specify a location Type Drive diskimg sswin9x Where Drive is the letter of your CDROM Drive Click Next Artisa...

Page 15: ...PCMCIA 1 Port RS422 485 Software Installation Chapter 3 Page 13 Click Next Click Finish Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 16: ...pter 3 Page 14 Windows 98 Floppy Installation Procedure Choose the Search for the best driver for your device Click Next Select Floppy disk drives Click next Artisan Technology Group Quality Instrumen...

Page 17: ...PCMCIA 1 Port RS422 485 Software Installation Chapter 3 Page 15 Click next Click Finish Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 18: ...indows 95 Windows 98 and Windows Millennium Right Click My Computer Properties on the desktop Click on the Device Manager tab Under Multi function adapters double click on PCMCIA 1 Port 422 Card Artis...

Page 19: ...The Serial Solutions tab allows modification of any user controlled features for the card PCMCIA Port Setup in Windows 95 Windows 98 and Windows Millennium Right Click My Computer Properties on the de...

Page 20: ...ation Chapter 3 Page 18 Under Ports COM LPT double click on PCMCIA RS422 PORT COM is the number allocated to the port Click on the Port Settings tab Artisan Technology Group Quality Instrumentation Gu...

Page 21: ...default for compatibility purposes The faster data rates are only available directly from your application if it uses the standard Windows dialogue for serial port settings Baud Rate Multiplier This e...

Page 22: ...able in this window are 485 mode This option enables the card to be switched into full or half duplex 2 or 4 wire mode Please note that the supplied cable requires modification for 2 way communication...

Page 23: ...mally During the booting process Windows 2000 will detect the card and briefly display a message box indicating the detection process Windows will then display the Found New Hardware Wizard requesting...

Page 24: ...apter 3 Page 22 Select Search for a suitable driver for my device Click Next Windows 2000 CD ROM Installation Procedure Select Specify a location Click Next Artisan Technology Group Quality Instrument...

Page 25: ...Software Installation Chapter 3 Page 23 Type Drive diskimg sswin2k Where Drive is the letter of your CDROM Drive Click OK Click Next Artisan Technology Group Quality Instrumentation Guaranteed 888 88...

Page 26: ...still in BETA and it is not possible to get drivers signed by Microsoft Brain Boxes fully intend to have obtained a driver signature for this product shortly after the operating system is available on...

Page 27: ...Software Installation Chapter 3 Page 25 Windows 2000 Floppy Installation Procedure Select Floppy disk drives Click next Click Next Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Page 28: ...still in BETA and it is not possible to get drivers signed by Microsoft Brain Boxes fully intend to have obtained a driver signature for this product shortly after the operating system is available on...

Page 29: ...ion Chapter 3 Page 27 PCMCIA Port Setup in Windows 2000 Right Click My Computer Properties on the desktop Select the Hardware Tab Click Device Manager Artisan Technology Group Quality Instrumentation...

Page 30: ...Installation Chapter 3 Page 28 Click on Ports COM LPT Double Click on Brain Boxes Serial Port Select the Port Settings Tab Click on Advanced Artisan Technology Group Quality Instrumentation Guaranteed...

Page 31: ...nstallation Though the PCMCIA 1 Port RS422 485 card can be used in Windows NT4 it is not yet available as a hot pluggable card Also not available is the half duplexing option Before inserting the card...

Page 32: ...apter 3 Page 30 Double Click on the Ports Icon Note the COM Ports Listed Click Cancel Power down your computer Insert the PCMCIA Card Power up your computer Artisan Technology Group Quality Instrument...

Page 33: ...Chapter 3 Page 31 Click on Start Settings Control Panel Double Click on the Ports Icon The New port listed in this case COM2 will be the PCMCIA card port Artisan Technology Group Quality Instrumentati...

Page 34: ...Chapter 4 Page 32 Windows CE Installation Place card in socket Select Start Programs Communications Remote Networking Select Make New Connection with your pen Artisan Technology Group Quality Instrum...

Page 35: ...ame for the connection Select Dial up Connection Radio button Select Next The Dialog shows a modem Icon with the name from the previous screen There is a drop down dialog underneath Select a Modem Sel...

Page 36: ...ration Chapter 4 Page 34 Select configure Button Device propreties set the following Baud Rate 9600 Data Bits 8 Parity None Stop Bits 1 Flow Control None Artisan Technology Group Quality Instrumentati...

Page 37: ...iving end of the line It is generally used between one transmitter receiver pair to ONLY one other transmitter receiver pair but each output can drive up to 10 receivers RS422 Standard 1 Driver up to...

Page 38: ...end of the twisted pair The AT Dual Port RS422 485 Opto Isolated AT Dual Port RS422 485 and AT Velocity RS422 485 cards have the correct 120 Ohm nominal terminating resistors for the RXD twisted pair...

Page 39: ...her This occurs due to either accidental damage to the cable or due to failure of one or more transmitter receivers on the line The short circuit condition is dangerous since damage to the receiver ma...

Page 40: ...eened Belden type 8795 may also be used in less noisy environments The on board resistor networks terminate the receiving end of the twisted pair cable in its characteristic impedance Figure 4 1 Seria...

Page 41: ...hared data line each cards RTS line is used as a gating signal to enable the TXD driver only when that card needs to transmit data i e set TXD GATE or AUTO jumper This mechanism prevents bus contentio...

Page 42: ...ol in the DMX512 standard This is shown in Figure 4 2 below For the talker the RS485 TXD GATE jumper should remain in the factory set position i e transmitter is always enabled There is NO multiplexin...

Page 43: ...gure 4 4 RS485 Many Talkers Listeners Half Duplex TXD1 TXD1 TXD n TXD n 120 RXD1 RXD2 120 RXD2 TXD2 TXD2 RXD1 RXD3 RXD3 TXD3 TXD3 RXDn 1 RXDn 1 TXDn 1 TXDn 1 RXDn RXDn Note BOTH ends of MAIN line term...

Page 44: ...wisted pair is the Devices TXD channel it carries the data sent from each of the devices TXD outputs to the RXD inputs of the PC The advantages of this system are great since no new communications sof...

Page 45: ...eration of the cable circuit according to TIA EIA 485 A 1995 requires that the cable ground shield is not connected directly to the equipment ground shield A current limiting resistor should be used i...

Page 46: ...ne point only by a 100 20 resistor with a power dissipation rating of 1 2W An additional provision may be made for the resistor to be bypassed with a strap to connect signal common and protective grou...

Page 47: ...of an interconnection however care should be exercised to prevent establishment of ground loops carrying high currents Note Under certain ground conditions in configuration A above high ground current...

Page 48: ...39 40 41 42 last 41 mode 42 modem 5 open circuit 37 party line 36 41 port ports 5 36 protocol 39 receive 40 41 42 resistor 35 38 40 RS232 5 7 RS422 RS485 35 36 37 38 39 40 41 42 43 RTS 35 37 39 41 42...

Page 49: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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