Manuale d’uso / di manutenzione del prodotto 321827C-01 del fabbricante National Instruments
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Serial Getting Started with Your PCMCIA Serial Hardware and Software for Windows Me/9 x PCMCIA Serial for Wind ows Me/9x September 2000 Edition Part Number 3218 27C-01.
Support Worldwide Technical Support and Product Info rmation ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Of.
Important Information Warranty The serial hardware is warranted against defects in materials and workmanship for a period of one year from the date of shipmen t, as evidenced by receipts or othe r documentation. National Instruments will , at its option, repair or replace equipment that pro ves to be defective during the warranty period.
Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference.
• Connect the equipment into an outlet on a circuit different f rom that to which the receiver is connected. • Consult the dealer or an experienced radio/T V technician for help. Canadian Departmen t of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
© National Instruments Corporation vii PCMCIA Serial for Windows Me/9x Contents About This Manual Conventions ............ ........... .............. .............. ............ .............. ........... .............. ............. x i Related Documentation .
Contents PCMCIA Serial for Windows Me/9x viii ni.com Advanced Port Settings ............ ........... .............. ............... .............. ........... ...... 3-3 Transceiver Mode ................. ............ .............. .............. ...
Contents © National Instruments Corporation ix PCMCIA Serial for Windows Me/9x Figures Figure 2-1. Add/Remove Programs Properties Dialog Box..................... .............. .. 2-1 Figure 2-2. NI-Serial Setup Screen ................ ..............
© National Instruments Corporation xi PCMCIA Serial for Windows Me/9x About This Manual This manual contains instructions to help you inst all and configure the National Instruments serial hardware and the NI-Serial software for W indo ws Me/9 x .
About This Manual PCMCIA Serial for Windows Me/9x xii ni.com Related Documentation The following documents contain information that you might find helpful as you read this manual: • ANSI/EIA-232-D S.
© National Instruments Corporation 1-1 PCMCIA Serial for Windows Me/9x 1 Introduction This chapter explains ho w to use this manual, lists what you need to get started and optional equip ment you can order , and briefly describes the serial hardware and the NI-Serial soft ware.
Chapter 1 Introduction PCMCIA Serial for Windows Me/9x 1-2 ni.com What Y ou Need to Get Started Before you install your serial hardware and the NI-Serial software, make sure you have all of the follow.
Chapter 1 Introduction © National Instruments Corporation 1-3 PCMCIA Serial for Windows Me/9x The PCMCIA-485 interfaces support four hardware transcei ver c ontrol modes for reliable communicatio n with two-wire and four-wire de vices. Refer to Chapter 4, Using Your Serial Hardware , for more information about transceiv er control modes.
Chapter 1 Introduction PCMCIA Serial for Windows Me/9x 1-4 ni.com T ime-Saving Development T ools Your kit includes the NI-Serial software for Windows M e/9 x .
© National Instruments Corporation 2-1 PCMCIA Serial for Windows Me/9x 2 Installation and V erification This chapter describes how to install the NI-Serial software, serial hardware, and cables, and how to v erify the installati on. Install the Software Install the NI-Seri al software for Win dows Me/9 x before y ou install the hardware: 1.
Chapter 2 Installation and Verification PCMCIA Serial for Windows Me/9x 2-2 ni.com 3. Click on the Install button. 4. When prompted, insert the NI-Serial Software for Windows 2000/NT/Me/9x CD and click on the Next b utton to proceed. The software installa tion wizard be gins with the screen sho wn in Figure 2-2.
Chapter 2 Insta llation and Verification © National Instruments Corporation 2-3 PCMCIA Serial for Windows Me/9x Install the Hardware To install the PCMCIA-232 or PCMCIA-485 in your computer, first start Windows Me /9 x .
Chapter 2 Installation and Verification PCMCIA Serial for Windows Me/9x 2-4 ni.com V erify the Installation When you begin to verify the installatio n, keep in mind that the serial ports built into the computer are typically named from COM1 to COM4.
Chapter 2 Insta llation and Verification © National Instruments Corporation 2-5 PCMCIA Serial for Windows Me/9x Figure 2-4. Device Manager Ports List for PCMCIA Serial Card Correctly Installed.
Chapter 2 Installation and Verification PCMCIA Serial for Windows Me/9x 2-6 ni.com Figure 2-5. Device Man ager Ports List for PCMCIA Serial Card Incorrectly Installed V erify the Hardware Resources For every port of the newly installed serial interface, double-click on the name of the serial port in the Device Manager.
Chapter 2 Insta llation and Verification © National Instruments Corporation 2-7 PCMCIA Serial for Windows Me/9x Determine Which Physical Port Is Associated with COMx For every port of the newly installed serial interface, double-click on the name of the serial port in the Device Manager.
Chapter 2 Installation and Verification PCMCIA Serial for Windows Me/9x 2-8 ni.com Connect the Cables For the PCMCIA serial cards, you can use the standard DB-9 connector found on most serial cables. Figure 2-6 and T able 2-1 giv e the pin lo cations and d escriptions of the DB-9 connector , which is found on the PCMCIA serial cable.
Chapter 2 Insta llation and Verification © National Instruments Corporation 2-9 PCMCIA Serial for Windows Me/9x Connecting T wo-Wire Devices The PCMCIA-485 boards are designed to work with either two- or four-wire devices. If you are using a two-wire device, refer to the device documentation for specifi c wiring instructions.
© National Instruments Corporation 3-1 PCMCIA Serial for Windows Me/9x 3 Configuration This chapter describes how to vie w or change the communication po rt settings. View or Change Communication Port Settings The serial config uration util ity is fully i ntegrated with t he Windows Me/9 x Device Manager.
Chapter 3 Configuration PCMCIA Serial for Windows Me/9x 3-2 ni.com After you ha ve selected the serial port parameters for the current port, click on the OK b utton to sav e the changes or click on the Cancel butto n to exit the dialog box without saving changes.
Chapter 3 Configuration © National Instruments Corporation 3-3 PCMCIA Serial for Windows Me/9x Bits per Second Bits per second , or baud rate, is the speed for a serial port. Data Bits Data bits is the number of data bits in a single serial byte. Parity Parity is the specification for even, odd, or no parity bits in each transmitted byte.
Chapter 3 Configuration PCMCIA Serial for Windows Me/9x 3-4 ni.com The following sections describe the adv anced settings opti ons. T ransceiver Mode This field shows the transceiver mode in use, and applies only to PCMCIA-485 boards. F or more information about tr ansceiver modes, r e f e rt o C h a p t e r4 , Using Your Serial Hardware .
© National Instruments Corporation 4-1 PCMCIA Serial for Windows Me/9x 4 Using Y our Serial Hardware This chapter describes how to set the hardw are transcei ver control mode for your RS-485 interfaces and lists some general programming requ irements.
Chapter 4 U sing Y our Seria l Hardware PCMCIA Serial for Windows Me/9x 4-2 ni.com Note Signal names with an ov erscore, such as DTR , indicate that the signal is activ e low . Four -Wire Mode Use the four-wire mode for most full-duplex systems. In th is mode, the transmitter and receiver are always enabled.
Chapter 4 Using Y our Serial Hardware © National Instruments Corporation 4-3 PCMCIA Serial for Windows Me/9x T wo-Wire Mode: TXRDY Auto Control In this mode, the serial hardware transparently enables the transmitter and receiver in a two-wire system.
Chapter 4 U sing Y our Seria l Hardware PCMCIA Serial for Windows Me/9x 4-4 ni.com The scratch register is located at offset 7 from the base address of the port. For e xample, if COM2 were located at base address 0x3F8, and you wanted to set the PCMCIA-485 board to two-w ire mode with DTR control, you would write a 0x02 to I/O address 0x3FF .
© National Instruments Corporation A-1 PCMCIA Serial for Windows Me/9x A Serial Port Information This appendix describes the RS-232, RS-422, and RS-485 standards and explains some of the issues in volv ed with these types of serial communication. T able A-1 lists the features of the RS-232, RS-422, and RS-485 standards.
Appendix A Serial Port Information PCMCIA Serial for Windows Me/9x A-2 ni.com distances of 50 ft and with data rates up to 20 kbytes/s. Ho we ver , because of improv ements in line dri vers and cabling, you can usually increase the actual performance of the b us past the limitations on speed and distance recommended in the specification.
Appendix A Serial Port Information © National Instruments Corporation A-3 PCMCIA Serial for Windows Me/9x Serial Communication Issues This section explains some serial communication issues, incl uding duplex architectures, termination methods, bias resistors, and types of connecting equipment.
Appendix A Serial Port Information PCMCIA Serial for Windows Me/9x A-4 ni.com Figure A-1. T ypica l Full-Duplex System Half Duplex A typical half-duplex multidrop bus architecture also in volv es a master-slav e protocol. Howe ver , in a half-duplex system, all transm itters and recei vers are connected to the same transmission line.
Appendix A Serial Port Information © National Instruments Corporation A-5 PCMCIA Serial for Windows Me/9x T erminati o n Because each dif ferential pair of wires is a transmission line, you must properly terminate the line to prev ent reflection s.
Appendix A Serial Port Information PCMCIA Serial for Windows Me/9x A-6 ni.com Figure A-4. Straight-Through Cabling in a DTE-to- DCE Inter face Straight-through cabling is still th e standard method to connect a modem to your PC.
© National Instruments Corporation B-1 PCMCIA Serial for Windows Me/9x B Uninstalling the Hardware and Software This appendix describes ho w to uninstall your serial hard ware and the NI-Serial software.
Appendix B Uninstalling the Hardware and Sof tware PCMCIA Serial for Windows Me/9x B-2 ni.com 5. Select the National Instruments port to remov e from the list of ports, as sho wn in Figure B-1. Figure B-1. Selecting an Inter face to Uninstal l 6. Click on the Remove button.
Appendix B Uninstalling the H ardware and Software © National Instruments Corporation B-3 PCMCIA Serial for Windows Me/9x Uninstall the Software Before uninstalling the software, remove all serial port information from the W indows Me/9 x Device Manager , as describe d in the pre vi ous section.
Appendix B Uninstalling the Hardware and Sof tware PCMCIA Serial for Windows Me/9x B-4 ni.com 3. Select the serial software you want to remov e, and click on the Add/Remove button. The uninstall program runs and removes all folders, programs, VxDs, DLLs, and re gistry entries associated with the NI-Serial software.
© National Instruments Corporation C-1 PCMCIA Serial for Windows Me/9x C T roubleshooting and Common Questions This appendix describes ho w to troubleshoot problems and answers some common questions.
Appendix C T roubleshooting and Co mmon Questions PCMCIA Serial for Windows Me/9x C-2 ni.com Selecting Conflict-Free Resources When the Device Manager i ndicates a conflict with another device, you can usually correct the problem by manually selecting conflict-free resources.
Appendix C T roubleshooting and Common Questions © National Instruments Corporation C-3 PCMCIA Serial for Windows Me/9x • If the utility reports fe wer ports installed than it shoul d, refer to Chapter 2, Installation and Verification , and follow these troubleshooting steps: 1.
Appendix C T roubleshooting and Co mmon Questions PCMCIA Serial for Windows Me/9x C-4 ni.com 4. Click on the View devices by type button. 5. Double-click on the Ports (COM & LPT) icon to display a list of all ports that W indows recognizes.
Appendix C T roubleshooting and Common Questions © National Instruments Corporation C-5 PCMCIA Serial for Windows Me/9x Common Questions How can I determine which type of serial hardwar e I hav e installed? 1. Select Start » Settings » Control Panel and double-click on the System icon.
Appendix C T roubleshooting and Co mmon Questions PCMCIA Serial for Windows Me/9x C-6 ni.com In most cases, W indows Me/9 x does not assign names COM1 through COM4 to the serial hardware.
Appendix C T roubleshooting and Common Questions © National Instruments Corporation C-7 PCMCIA Serial for Windows Me/9x Figure C-2. Multi-Function Ada pter Class in the Device Manager How do I r emov.
© National Instruments Corporation D-1 PCMCIA Serial for Windows Me/9x D Specifications This appendix describes the characteristics of the serial hardware, the NI-Serial software, along with th e recommended operating conditions. Hardware Specifications Table D-1.
Appendix D Specifications PCMCIA Serial for Windows Me/9x D-2 ni.com Software Specifications Table D-2. Environmental Characteristics of the Serial Hardware Characteristic Specif ication Operating En .
© National Instruments Corporation E-1 PCMCIA Serial for Windows Me/9x E T echnical Support Resources W eb Support National Instruments W eb support is your first stop for help in solving installation, configuration, and application pro blems and questions.
Appendix E T echnic al Support Resources PCMCIA Serial for Windows Me/9x E-2 ni.com W orldwide Support National Instruments has of fices located around the world to help address your support needs. Y ou can access our branch off ice W eb sites from the W o rldwide Of fices section of ni .
© National Instruments Corporation G-1 PCMCIA Serial for Windows Me/9x Glossar y Pref ix Meaning V alue p- pico- 10 – 12 n- nano- 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- me.
Glossary PCMCIA Serial for Windows Me/9x G-2 ni.com DCD data carrier detect DCE data communications equipment or data circuit-terminating equipment DLL dynamic link li brary DMA direct memory access D.
Glossary © National Instruments Corporation G-3 PCMCIA Serial for Windows Me/9x MB megab ytes of memory PC personal computer PCI Peripheral Components Interconnect RAM random-access memory RI ring in.
© National Instruments Corporation I-1 PCMCIA Serial for Windows Me/9x Index A add/remove programs properties dialog box (figure), 2-1, B-3 advanced port setting s, 3-3 dialog box (figure), 3-3 trans.
Index PCMCIA Serial for Windows Me/9x I-2 ni.com DOS-based addresses (table), C-5 DTE vs. DCE, A-5 DTE-to-DCE interface, A-6 straight-through cabling in (figure), A-6 DTE-to-DTE interface, A-6 null-mo.
Index © National Instruments Corporation I-3 PCMCIA Serial for Windows Me/9x NI-Serial setup screen (figure), 2-2 null-modem cabling in a DTE-to-DTE interface (figure), A-6 O optional equipment, 1-2 .
Index PCMCIA Serial for Windows Me/9x I-4 ni.com successful uninstallation (figure), B-4 uninstalling, B-3 setting transceiver contro l mode, 4-3 setting with DeviceloControl, 4-4 setup screen for NI-.
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