ICS Advent PCI-ICOM485/4, Product Manual

Page 1: ...Model PCI ICOM485 4 PCI ICOM485 2 Product Manual MANUAL NUMBER 00650 148 1C...

Page 2: ...ual in our online Support Library Thank you The information in this document is provided for reference only ICS Advent does not assume any liability arising from the application or use of the informat...

Page 3: ...Page iv This page intentionally left blank...

Page 4: ...ts which are not in an as new and re saleable condition are not eligible for credit return and will be returned to the customer Limited Warranty Effective April 1 1998 all products carry a 2 year limi...

Page 5: ...made by various manufacturers in performing warranty repairs and building replacement products If ICS Advent repairs or replaces a product its warranty term is not extended ICSAdvent will normally re...

Page 6: ...Cautions and Warnings are accented with triangular symbols The exclamation symbol is used in all cautions and warnings to help alert you to the important instructions The lightning flash symbol is us...

Page 7: ...Page viii This page intentionally left blank...

Page 8: ...Mode 7 Baud Rate Ranges 8 Auto RTS Transceiver Control 8 Block Diagram 8 Chapter 3 Option Selection 9 Terminations 9 Data Cable Wiring 9 Baud Rate Ranges 10 Interrupts 10 Chapter 4 Address Selection...

Page 9: ...l Enter and follow the on screen prompts The installation process will create several directories on your hard disk If you accept the instal lation defaults the following structure will exist Contents...

Page 10: ...ESNT SYS file must reside in the same directory as this executable and is copied to the drivers directory of NT The driver is then dynamically started and can be used immediately ACCESNT EXE need be r...

Page 11: ...ogram used to be known as PCINT EXE but now supports both Windows 95 98 and Windows NT Findbase exe DOS utility to determine an available base address for ISA bus non PNP cards Run this program once b...

Page 12: ...der DOS WindowsNT 3 51 Windows 3 1 or any other non PNP compliant Operating System should set the PNP CMOS option to BIOS or Motherboard Save the option and continue booting the system If you are usin...

Page 13: ...ly screwed into place and that there be a positive chassis ground Also proper EMI cabling techniques cable connect to chassis ground at the aperture shielded twisted pair wiring etc be used for the in...

Page 14: ...ManualNumber 00650 148 1 Page 6 PCI ICOM485 4 Manual This page intentionally left blank...

Page 15: ...nica tions lines RS 485 communications require that one transmitter supply a bias voltage to ensure a known zero state when all transmitters are off Also receiver inputs at each end of the network sho...

Page 16: ...to share a two wire cable The PCI ICOM485 4 2 card controls the driver automatically With automatic control the driver is enabled when data is ready to be transmitted The driver remains enabled for on...

Page 17: ...ation Schematic In RS 485 operations where there are multiple terminals only the RS 485 ports at each end of the network should have terminating impedance as described above To so terminate the COM A...

Page 18: ...ese subkeys you must add values for DosDevices Interrupt InterruptStatus PortAddress and PortIndex because these are not detected by the Hardware Recognizer For descriptions and ranges for these value...

Page 19: ...ManualNumber 00650 148 1 Page 11 PCI ICOM485 4 2 OPTION SELECTION MAP...

Page 20: ...ManualNumber 00650 148 1 Page 12 PCI ICOM485 4 Manual This page intentionally left blank...

Page 21: ...tion on each of the cards and the respective IRQ s if any allotted Alternatively some operating systems Windows95 and WindowsNT 5 0 can be queried to deter mine which resources were assigned In these...

Page 22: ...ManualNumber 00650 148 1 Page 14 PCI ICOM485 4 Manual This page intentionally left blank...

Page 23: ...ation reception and transmission Initialization deals with option setup on the chip includ ing baud rate selection Reception deals with incoming character processing which can be done using either pol...

Page 24: ...engths from 5 to 8 bits Bit settings are extracted by subtracting 5 from the desired word length Bit 2 determines the number of stop bits There can be either one or two stop bits If Bit 2 is set to 0...

Page 25: ...13 ASCII Carriage Return as an end of transmission marker do while inportb BASEADDR 5 1 Wait until data ready data i inportb BASEADDR while data i 13 Reads the line until null character rec d Interrup...

Page 26: ...Base Address 5 That bit is the transmitter holding register empty flag If it is high the transmitter has sent the data The process of checking the bit until it goes high followed by a write is repeate...

Page 27: ...o provide strain relief Connector pin assignments are as follows Pin Connections RS 485 PIN CONNECTIONS COM Port A D RS 485 Signals Pin 1 Pin 2 Tx and Rx Pin 3 Tx and Rx Pin 4 Pin 5 GND Ground Pin 6 P...

Page 28: ...ManualNumber 00650 148 1 Page 20 PCI ICOM485 4 Manual This page intentionally left blank...

Page 29: ...ates up to 460 800 is achieved by jumperselectiononthecard Type 16550buffered UART Address Continuouslymappablewithin0000toFFFF hex range of PCI bus addresses Receiver Input Sensitivity 200 mV differe...

Page 30: ...ManualNumber 00650 148 1 Page 22 PCI ICOM485 4 Manual This page intentionally left blank...

Page 31: ...1000 4 3 1995RadiatedRFFieldImmunity EN61000 4 4 1995EFTImmunityforACandI OLines EN 60950 1992 Safety of InformationTechnology Equipment Thetechnicaldocumentationrequiredtodemonstratethisproductmeetst...