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PCI Quad 422/485 Card

Chapter 5 Windows 3.x Software Configuration.

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19

Configuring The COM Ports.

From the COM Ports window choose the port that you wish to configure and
click on

Settings -

the following dialogue will be displayed:

Note: A port that has been added has the default values of:

Baud Rate:

9600

Data Bits:

8

Parity:

None

top Bits:

1.0

Flow:

None

Change the communications Settings in the COM Ports to match the baud rate,
parity settings etc. of the remote serial device.

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Содержание CC-346

Страница 1: ...PCI Quad 422 485 Card By Paul D Sinclair...

Страница 2: ...ts 8 Configuring the Card 8 RS485 Multiplex Jumper Settings 9 Chapter 3 Installing the Card 10 STEP 1 Remove Cover Mounting Screws 10 STEP 2 Remove The PC Cover 10 STEP 3 Remove the Blanking Cover 11...

Страница 3: ...ced Port Settings 42 Uninstalling Serial Solutions PCI 43 Chapter 9 Windows 2000 Installation 44 Software Installation 44 Checking your Installation 47 Chapter 10 Optional RS422 485 Operation 48 The R...

Страница 4: ...XES LIMITED All 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 BRAIN BOXES LIMITED BRAI...

Страница 5: ...Baud rates and for more than 4 serial ports Serial Solutions For DOS Serial Solutions for DOS consists of the following programs NewCOM sys A device driver it supports COM1 to COM16 allowing 16 seria...

Страница 6: ...is connected to the particular IRQ line The program correctly identifies the UART type by employing the built in loop back capability of the PC serial port chip a full test of the baud rate generator...

Страница 7: ...e various Serial Solutions serial cards Serial Solutions For Windows NT Windows NT has an improved communication API and directly supports up to 255 ports No extra driver is necessary for Windows NT t...

Страница 8: ...ports under Device Manager Multi port serial adapters SsCard hlp The help file for the SsCard dll user interface Complete Documentation and Technical Backup We believe in supplying complete documentat...

Страница 9: ...length of 5 6 7 or 8 bits Even Odd None Mark or Space parity options 1 start bit always sent 1 1 5 for 5 bit data word length or 2 stop bits TXD RXD RTS and CTS signals RS485 TXD RXD multiplex select...

Страница 10: ...may be lost since the serial port transmitter is still gated onto the twisted pair cable To overcome this problem The 16950 has on chip autogating This option requires a special device driver supplied...

Страница 11: ...3 1 576 3 1 7 3 1 7 3 1 76 3 1 76 3 1 5 3 1 5 3 1 1 3 1 576 3 1 576 3 1 7 3 1 7 3 1 76 3 1 76 3 1 5 3 1 5 3 1 5281 3 1 76 3 1 76 3 1 5 3 1 5 3 1 1 3 1 576 3 1 7 3 1 7 3 1 76 3 1 76 3 1 5 3 1 5 3 1 1 3...

Страница 12: ...unconnected not shorted Half Duplex Settings port 1 Both jumpers shorted causing the RXD TXD and the RXD TXD signals to short together at the 9 pin connector The multiplex jumpers should only be set f...

Страница 13: ...ny interface board STEP 1 Remove Cover Mounting Screws Then using a screwdriver remove the cover mounting screws on the back panel of the PC system unit STEP 2 Remove The PC Cover Next remove the PC s...

Страница 14: ...g cover screw safely for later STEP 4 Insert The Card Now insert the card in the slot Be careful to ensure that the gold plated pcb fingers fits neatly into the I O expansion connector Press down firm...

Страница 15: ...power on in the normal way Problems If the system fails to power up normally check the following Ensure that the PC Serial card is installed correctly nsure that other cards in the PC have not been up...

Страница 16: ...ilar to the following values contained in the string may differ in individual PC s due to resource availability card 1 is on bus 0 device 16 function 0 Card ID 5 revision 1 4 Port Velocity RS422 485 i...

Страница 17: ...and DCD inputs are ignored The DTR output line is set true just in case the external serial device needs a true signal Type 3 RS485 Send only This is a half duplex transmit only handshake The PC tran...

Страница 18: ...RS232 has been assigned COM port values of 5 to 8 all preceding COM ports must have buffers assigned to them also Buffer Size S512 Buffer size set to 512 bytes Hardware Handshaking H 4 Type 4 3 Wire...

Страница 19: ...EXE from the supplied Serial Solutions CDROM by typing the following D diskimg ssutil pci BBCARDS Where D is the Letter of your CDROM drive BBCARDS EXE will return a string that looks similar to the...

Страница 20: ...supplied disk If only logical ports COM1 to COM9 are to be used then de select the Comms API library option in the Install column This library is only necessary to allow the use of logical ports great...

Страница 21: ...s at 0140 and all subsequent ports have an i o address that is 8 higher than the previous i e if COM2 has an address of 0140h then COM3 has an address of 0148h In the IRQ field enter the value 11 Note...

Страница 22: ...rt that you wish to configure and click on Settings the following dialogue will be displayed Note A port that has been added has the default values of Baud Rate 9600 Data Bits 8 Parity None top Bits 1...

Страница 23: ...tton can be used to discard the entries of ports that have been removed from the system Note Never try to leave out a serial port number when using the delete button because Windows may automatically...

Страница 24: ...apter 3 and switch your computer on again During the booting process Windows 95 will detect the PCI Velocity RS422 485 but will display it simply as a PCI CARD and you will briefly see a message box t...

Страница 25: ...22 In the location space type drive diskimg sswin9x where drive is the appropriate letter for your CDROM drive Click OK The screen shot above shows that the Update Device Driver Wizard has found a sui...

Страница 26: ...n9x where drive is the appropriate letter for your CDROM drive After copying the file Windows 95 will then detect each of the serial ports in turn and install them as communications ports Using the ri...

Страница 27: ...Velocity RS485 Ports will appear under the Ports COM LPT branch For most users who have 4 or less COM ports the new ports will appear as COM5 8 as pictured above for users with more than 5 COM ports t...

Страница 28: ...rties Click on the Serial Solutions tab Solutions tab produces In this window the COM port assignment may be changed simply by selecting a new COM port value from the pull down menu relevant to the po...

Страница 29: ...ore may be used The Maximum Baud Rate Setting for all ports on the card may also be set from this window This settting will make the maximum baud rates of all the ports on this card equal to whatever...

Страница 30: ...al properties window for the selected port in this case COM5 Selecting the Port Settings tab produces Settings available in this window are Baud Rate determines the baud rate at which the selected por...

Страница 31: ...9600 1800 3600 7200 1440 2000 4000 8000 16000 2400 4800 9600 19200 3600 7200 14400 28800 4800 9600 19200 38400 7200 14400 28800 57600 9600 19200 38400 76800 19200 38400 76800 153600 38400 76800 15360...

Страница 32: ...this is recommended if you are communicating to a slower machine Selecting a high value will send more data bytes per interrupt and will give more time for multi tasking operations 485 Mode offers the...

Страница 33: ...our PCI RS422 485 card into a free PCI slot as described in and switch your computer on again During the booting process Windows 98 will detect the PCI Velocity RS422 485 but will display it simply as...

Страница 34: ...y a location In the location space type drive diskimg sswin9x where drive is the appropriate letter for your CDROM drive Click Next Click Next Click Finish After copying the file Windows 95 will then...

Страница 35: ...485 Card Chapter 7 Windows 98 Millenium Installation 32 Checking the Installation Using the right hand mouse button click on the My Computer icon on your desktop Click on Properties Click on the Devic...

Страница 36: ...l appear under the Ports COM LPT branch For most users who have 4 or less COM ports the new port will appear as COM5 as pictured above for users with more than 5 COM ports the new port will appear as...

Страница 37: ...t assignment may be changed simply by selecting a new COM port value from the pull down menu relevant to the port However COM port usage other than those for the PCI Quad Velocity RS422 485 card itsel...

Страница 38: ...tever is set Individual ports may have their settings changed as shown in Port Settings Click Here for Port Settings Port Settings Using the right hand mouse button click on the My Computer icon on yo...

Страница 39: ...operates the maximum value available is dependant upon the Maximum Baud Rate Setting see below Data Bits Parity Stop Bits Flow Control These settings are dependent upon the device being used Maximum B...

Страница 40: ...200 14400 28800 57600 9600 19200 38400 76800 19200 38400 76800 153600 38400 76800 153600 230400 57600 115200 230400 460800 115200 230400 460800 921600 Note Many serial comms applications will not actu...

Страница 41: ...if you are communicating to a slower machine Selecting a high value will send more data bytes per interrupt and will give more time for multi tasking operations 485 Mode offers the options Half Duple...

Страница 42: ...do not have these please contact your system administrator Software Installation Insert the PCIQuad Velocity RS422 485 into your PC as described in chapter 2 and restart Place the supplied CDROM title...

Страница 43: ...xamining Card Configuration Go to Control Panel Start Settings Control Panel double click on Serial Solutions PCI Card Setup You will be presented with a Serial Solutions PCI Port Configuration window...

Страница 44: ...the maximum value available is 921 600 1 Megabaud Note Many serial comms applications will not actually register the ports as running at baud rates of above 115200 Data Bits Parity Stop Bits Flow Cont...

Страница 45: ...erations Software Transmit Limit These settings allow the selection of a transmitter FIFO trigger setting Selecting a low value will send fewer data bytes per interrupt and this is recommended if you...

Страница 46: ...ys taken out to the serial port connector Defaults When clicked this button resets the advanced properties to the followed settings FIFO Off On unchecked Transmit Buffers 1 Receive Buffers 8 Use Exten...

Страница 47: ...allation After inserting the PCI card into an available slot and reconnecting all cables power up your machine The screen shot shown below will appear briefly on your screen Insert the Serial Solution...

Страница 48: ...tallation 45 Select Specify a location Click Next In the box under Copy manufacturers files from type CDROM Drive diskimg sswin2k where CDROM Drive is the letter of the drive into which you inserted t...

Страница 49: ...PCI Quad 422 485 Card Chapter 9 Windows 2000 Installation 46 Click Yes Click Finish The system will then detect the ports briefly showing the above screen shot...

Страница 50: ...y Right mouse button click on the My Computer icon on your desktop Click Properties Select the Hardware tab Click Device Manager Double Clicking on the Multi port serial adapters label will display th...

Страница 51: ...e 40 Feet 12m 10 Mbits sec 400 Feet 122m 1 Mbits sec 4000 Feet 1219m 100 Kbits sec D R TTL TTL The RS485 Standard The RS485 standard is similar to the RS422 standard upon which it is based The main di...

Страница 52: ...ircuits Fail Safe Short Circuit Protection Short circuits are when the two lines of a twisted pair are connected together This occurs due to either accidental damage to the cable or due to failure of...

Страница 53: ...ed by the CTS and RTS lines in RS422 systems are handled by a software protocol in RS485 systems In situations where more than one device may transmit data on the shared data line each cards RTS line...

Страница 54: ...s stubs off the main not terminated In the above scheme one RS485 device is talk only it transmits data but it does not receive any The other RS485 devices are receive only they do not transmit any da...

Страница 55: ...lex system Two twisted pair cables are required One twisted pair is the PC s TXD channel it carries the data sent from the PC s TXD outputs to the RXD inputs of each of the RS485 devices The second tw...

Страница 56: ...sible large current flow due to differences in ground potential Any one of the methods shown below can do this Configuration A GWG 100 1 2 W SG Configuration B GWG SG SG Signal Ground Interchange circ...

Страница 57: ...6 DSR 2 DTR 2 E emulation 3 F fail safe 56 57 FIFO 2 6 G gating 58 H handshake 2 57 I impedance 56 57 58 59 61 installation 4 15 Installing Ports In Microsoft Windows 95 98 23 Installing ports in Wind...

Страница 58: ...rd Index 55 S serial port 2 3 15 45 56 shared interrupt 3 4 short circuit 57 SISR 16 speed 6 55 T twisted pair 10 56 57 58 59 TXD 6 10 57 58 59 60 U Uninstalling Serial Solutions PCI for Windows NT 49...

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