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- PCI-ICM422/2
- User Manual
Acces PCI-ICM422/2 User Manual
Summary of PCI-ICM422/2
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Acces i/o products inc 10623 roselle street, san diego, ca 92121 tel (858)550-9559 fax (858)550-7322 model pci-icm422(485)/2(4) user manual file: mpci-icm4s.F1b.
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Page iii notice the information in this document is provided for reference only. Acces does not assume any liability arising out of the application or use of the information or products described herein. This document may contain or reference information and products protected by copyrights or paten...
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Page iv warranty prior to shipment, acces equipment is thoroughly inspected and tested to applicable specifications. However, should equipment failure occur, acces assures its customers that prompt service and support will be available. All equipment originally manufactured by acces which is found t...
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Page v table of contents chapter 1: introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 rs422 balanced mode operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 rs485 balanced mode operation . . . ....
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Page vi list of figures figure 1-1: pci-icm422/2/4 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1-4 figure 1-2: pci-icm485/2/4 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1-4 figure 3-1: simplified termination schematic . ....
Page 7: Chapter 1: Introduction
Page 1-1 manual mpci-icm4s.F1b chapter 1: introduction these cards provide effective asynchronous serial communications in rs422 and rs485 networks on long communications lines in noisy environments. The cards feature independent serial ports and use type 16550 buffered uarts. The data lines are opt...
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Pci-icm422/2(4) and 485/2(4) manual page 1-2 manual mpci-icm4s.F1b a crystal oscillator is located on the card. This oscillator permits precise selection of baud rates up to 115,200 or, by changing a jumper, up to 460,800 with the standard crystal oscillator. The driver/receiver used, the sn75176b, ...
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Page 1-3 manual mpci-icm4s.F1b the card is also available without this cable. If your card was purchased without the cable, there will be an "s1" appended to the model number. To ensure that there is minimum susceptibility to emi and minimum radiation, it is important that the card mounting bracket ...
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Pci-icm422/2(4) and 485/2(4) manual page 1-4 manual mpci-icm4s.F1b figure 1-1: pci-icm422/2/4 block diagram (only one serial channel shown) figure 1-2: pci-icm485/2/4 block diagram.
Page 11: Chapter 2: Installation
Page 2-1 manual mpci-icm4s.F1b chapter 2: installation the software provided with this card is contained on either one cd or multiple diskettes and must be installed onto your hard disk prior to use. To do this, perform the following steps as appropriate for your software format and operating system...
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Pci-icm422/2(4) and 485/2(4) manual page 2-2 manual mpci-icm4s.F1b to copy the files on the master diskette to your hard disk, perform the following steps. A. Place the master diskette into a floppy drive. B. Change the active drive to the drive that has the diskette installed. For example, if the d...
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Page 2-3 manual mpci-icm4s.F1b samples samples for using acces32.Dll are provided in this directory. Using this dll not only makes the hardware programming easier (much easier), but also one source file can be used for both windows 95/98 and windowsnt. One executable can run under both operating sys...
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Pci-icm422/2(4) and 485/2(4) manual page 2-4 manual mpci-icm4s.F1b findbase.Exe dos utility to determine an available base address for isa bus , non-plug-n-play cards. Run this program once, before the hardware is installed in the computer, to determine an available address to give the card. Once th...
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Page 2-5 manual mpci-icm4s.F1b input/output connections a 37-pin d connector is on the mounting bracket and a three-foot-long breakout cable is included with the cards. That breakout cable terminates in separate 9-pin dbm connectors; one db9 per port. If desired, the cards can be purchased without t...
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Pci-icm422/2(4) and 485/2(4) manual page 2-6 manual mpci-icm4s.F1b.
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Page 3-1 manual mpci-icm4s.F1b figure 3-1: simplified termination schematic chapter 3: option selection to help you locate the jumpers described in this section, refer to the option selection map at the end of this chapter. Operation is determined by jumper installation as described in the following...
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Pci-icm422/2(4) and 485/2(4) manual page 3-2 manual mpci-icm4s.F1b for example, if you have a four-port pci-icm card configured to use address 0xfc00, 0xfd00, 0xfd80, and 0xfe00 with an interrupt of 05, the values in the registry are: serial2 subkey: serial4 subkey: portaddress = reg_dword 0xfc00 po...
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Page 3-3 manual mpci-icm4s.F1b figure 3-2: option selection map.
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Pci-icm422/2(4) and 485/2(4) manual page 3-4 manual mpci-icm4s.F1b.
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Page 4-1 manual mpci-icm4s.F1b chapter 4: address selection the pci-icm422/4 and pci-icm485/4 use four separate address spaces. Com a occupies 16 consecutive address locations and com b, com c, and com d each occupy eight consecutive register locations. The two-port versions of these cards do not ha...
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Pci-icm422/2(4) and 485/2(4) manual page 4-2 manual mpci-icm4s.F1b.
Page 23: Chapter 5: Programming
Page 5-1 manual mpci-icm4s.F1b chapter 5: programming there are sample programs provided with the card in c, pascal, quickbasic, and several windows languages. Dos samples are located in the dos directory and windows samples are located in the win32 directory. Initialization initializing the chip re...
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Pci-icm422/2(4) and 485/2(4) manual page 5-2 manual mpci-icm4s.F1b when the baud jumper is in the x1 position, the uart clock frequency is 1.8432 mhz. When the jumper is in the x4 position, the clock frequency is 7.3728 mhz. The following table lists popular divisor frequencies. Note that there are ...
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Page 5-3 manual mpci-icm4s.F1b the second initializing step is to set the line control register at base address +3. This register defines word length, stop bits, parity, and the dlab. Bits 0 and 1 control word length and allow word lengths from 5 to 8 bits. Bit settings are extracted by subtracting ...
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Pci-icm422/2(4) and 485/2(4) manual page 5-4 manual mpci-icm4s.F1b the handler would first read the interrupt identification register at base address +2. If the interrupt is for received data available, the handler then reads the data. If no interrupt is pending, control exits the routine. A sample ...
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Page 6-1 manual mpci-icm4s.F1b chapter 6: connector pin assignments a breakout cable is delivered with each card. The cable mates with a 37-pin connector on the card mounting bracket and, at the other ends of the cable, the popular 9-pin d sub-miniature male connector is used to interface with your ...
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Pci-icm422/2(4) and 485/2(4) manual page 6-2 manual mpci-icm4s.F1b.
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Page a-1 manual mpci-icm4s.F1b appendix a: application considerations introduction working with rs422 and rs485 devices is not much different from working with standard rs232 serial devices and these two standards overcome deficiencies in the rs232 standard. First, the cable length between two rs232...
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Pci-icm422/2(4) and 485/2(4) manual page a-2 manual mpci-icm4s.F1b a balanced differential line receiver senses the voltage state of the transmission line across the two signal input lines. If the differential input voltage is greater than +200 mv, the receiver will provide a specific logic state on...
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Page a-3 manual mpci-icm4s.F1b rs485 data transmission the rs485 standard allows a balanced transmission line to be shared in a party-line mode. As many as 32 driver/receiver pairs can share a two-wire party line network. Many characteristics of the drivers and receivers are the same as in the rs422...
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Pci-icm422/2(4) and 485/2(4) manual page a-4 manual mpci-icm4s.F1b.
Page 33: Customer Comments
10623 roselle street, san diego ca 92121 tel. (858)550-9559 fax (858)550-7322 www.Accesioproducts.Com customer comments if you experience any problems with this manual or just want to give us some feedback, please email us at: manuals@accesioproducts.Com.. Please detail any errors you find and inclu...