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SOHARD SH-ARC PCI, Manual

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SH-ARC PCI

Manual

Version 01.00

5.5 RS485 Interface according AUG

Compatibility:

AUG (Arcnet User Group)[5]

Data rate:

19.5 kbps bis 10Mbps

Input level threshold

+/- 200mV

Polarity  idle level:

positive

Input impedance:

via   dip   switch   configurable,   approx.   150 
Ohm (with DC-Biasing)

DC-Biasing:

configurable via dip switch 390Ohm

 

+5V/390Ohm 0V

Transmission level:

min +/- 3,0V

Connector:

9 pin SUB-D connector

5.6 RS485 Interface, FARC E3 compatible

Compatibility:

FARC E3 ARCNET Adapter by SoHard

Data rate:

19.5 kbps to 10Mbps

Input level threshold:

+/- 200mV

Polarity, idle level:

positive

Input impedance:

via   dip   switch   configurable,   approx.   150 
Ohm (with DC-Biasing)

DC-Biasing:

configurable via dip switch 390Ohm

 

+5V/390Ohm 0V

Diff. Transmission level:

min +/- 3,0V

Connector:

9 pin SUB-D jack

page  13

Summary of Contents for SH-ARC PCI

Page 1: ...Manual SH ARC PCI ARCNET Adapter for the PCI Bus Copyright by SoHard GmbH all rights reserved V 01 00 9 28 1998 ...

Page 2: ...Switch Settings 8 4 Interfaces 10 4 1 Coax Interface 10 4 2 RS485 Interface 10 5 Technical Specifications 12 5 1 General 12 5 2 ARCNET 12 5 3 PCI Functionality 12 5 4 Coax Interface 12 5 5 RS485 Interface according AUG 13 5 6 RS485 Interface FARC E3 compatible 13 6 Troubleshooting 14 7 Support 15 8 References 15 9 Limited Warranty 16 10 CE Declaration of Conformity 17 11 INDEX 18 page 2 ...

Page 3: ... Mapping of the COM 2002x registers into the I O space of the PC RS485 Interface 9 pin Sub D connector Optically decoupled Bit rate 19 5 kBit s 10 MBit s Integrated termination via dip switch Protective circuit Coax Interface BNC jack Suitable for RG 62 coax cable 93 Ohm impedance Bit rate 2 5 MBit s 10 Mbit s when transceiver is available Protective circuit ARCNET COM20020 or COM20022 controller ...

Page 4: ...nder MS DOS register compatible to FARC E3 and other adapters equipped with the COM20020 controller driver for Windows NT CE mark guarantees proper function in industrial environments see notes in chapter Interfaces RS485 interface optional PC 104 add on module page 4 ...

Page 5: ...e needed but the interface is only activated if a valid Bit rate 2 5 10 MBit s is selected and the controller COM2002x is operated in Non Backplane mode 1 3 1 2 RS485 Interface The termination can be turned on S3 S4 ON or off S3 S4 OFF Default is ON The COM2002x has to be operated in Backplane mode 1 The interface operates at all data rates 3 2 Access The SH ARC PCI adapter is mapped automatically...

Page 6: ... 4 address spaces are available PCI Base Adress Registers LOCAL SPACE COM 20020 COM20022 Register 2 0 MEM 16BIT 512 Byte only COM2002x data register 3 1 IO 16 BIT 16 Byte all COM2002x registers in 2 byte intervals 4 2 IO 8BIT 8 Byte all COM2002x registers 5 3 MEM 8BIT 512 Byte only COM2002x data register Local Space 2 3 provides an interface compatible with all ISA bus adapters equipped with the C...

Page 7: ...ode The COM2002x is operated in non multiplexed mode After a reset shifting to this mode is effected by controller unit accesses 1 which have to be performed by the software If this initialization is not performed the COM2002x will not function properly In case of using the SoHard NT Driver or DOS Enabler the initialization is automatically performed 3 4 LED Indicators LED PC Activity red This LED...

Page 8: ...d by the transmitter signal The LED continuously lights when the ARCNET is in stable operation The brightness depends on the Bit rate selected During reconfigurations 1 the LED periodically flickers LED Transmit yellow This LED indicates activity on the transmitter channel The signal is prolonged with the aid of a digital one shot multivibrator and thus made visible The brightness depends on the B...

Page 9: ...FF OFF GND_SEL not connected Default setting OFF ON AGND wired to GND_SEL ON OFF GND_RS wired to GND_SEL AGND is the bracket potential GND_RS is the ground of the electrically decoupled RS485 circuit The pinning of the Sub D Connectors is shown in chapter Interfaces We recommend not to change the Default setting for S1 and S2 page 9 ...

Page 10: ...9 pin SUB D male Assignment according AUG standard 5 Connector type 9 pin SUB D male Pin Assignment Pin Description Meaning 1 GND_SEL Can be connected to AGND S1 ON and or GND_RS via S2 see chapter Dip Switch Settings 2 nc Reserved for additional power supply 3 DATA B Data line B more negative than DATA A when in idle state 4 nc Reserved for direction control 5 GND_RS Data reference potential supp...

Page 11: ...d 3 DATA A Data line A more positive than DATA B when in idle state 4 DATA B Data line B more negative than DATA A when in idle state 5 GND_SEL Can be connected to AGND and or GND_RS see chapter Dip Switch Settings 6 nc reserved 7 nc reserved 8 nc reserved 9 5V_RS Isolated 5V Suppy for RS485 Interface The maximum current must not exceed 25 mA Shield AGND Shield AGND is the bracket potential GND_RS...

Page 12: ...g incl packaging 5 2 ARCNET Compatibility ANSI ATA 878 1 Data rates 19 531 39 063 78 125 156 25 312 5 625 kbps 1 25 2 5 5 10 Mbps 5 3 PCI Functionality Compatibility PCI 2 1 Power supply 5V 12V 5 4 Coax Interface Data rate 2 5 Mbps Input impedance 10 kOhm with f 5 MHz Output voltage min 16Vss on terminated 93Ohm line Output signal shape Sinus Dipuls 200ns according ANSI ATA 878 1 Cabling RG62 with...

Page 13: ...onfigurable via dip switch 390Ohm 5V 390Ohm 0V Transmission level min 3 0V Connector 9 pin SUB D connector 5 6 RS485 Interface FARC E3 compatible Compatibility FARC E3 ARCNET Adapter by SoHard Data rate 19 5 kbps to 10Mbps Input level threshold 200mV Polarity idle level positive Input impedance via dip switch configurable approx 150 Ohm with DC Biasing DC Biasing configurable via dip switch 390Ohm...

Page 14: ...er of interrupt lines is reserved for PCI in the computers BIOS setup The PCIBIOS program shipped with the adapter reports for Interrupt the value 0 Solution Configure more interrupts for PCI in the BIOS setup Transmission Activity LED indicates Reconfigurations Possible causes Only one node is present in the network The network is not properly terminated At RS485 connections DATA A and DATA B are...

Page 15: ...11 97341 0 central office 522 technical support Fax 49 0 911 97341 510 eMail support sohard de http www sohard de 8 References Reference Document 1 Data Sheet COM20020 SMC dated May 25th 1997 2 Data Sheet COM20022 SMC dated March 21st 1997 3 Data Sheet PCI 9052 PLX Rev 1 0 4 PCI Local Bus Specification 2 1 5 AUG Arcnet User Group ARCNET Hardware Manual 6 Data Sheet Serial EEPROM NM93CS46N April 19...

Page 16: ...hase to SoHard GmbH It has to be ensured that the package is appropriate for safe shipment After expiration of the warranty period one year from the date of purchase no warranty services can be obtained whatsoever The repaired or replaced item will be shipped to the customer Carrier and terms of shipment are concern of SoHard GmbH If there are special requirements of the customer in terms of shipm...

Page 17: ...s of Supplier Bussardstr 19 D 90766 Fürth Germany declares that the Product Product name SH ARC PCI Product Type SH ARC PCI is in confirmity with the following product specifications Safety EN60950 1992 A1 1993 A2 1993 A3 1995 A4 1997 EMC EN 50081 2 1994 03 EN 50082 2 1997 11 Fürth 21 09 1998 ___________________________________ Wolfgang Grund Managing Director page 17 ...

Page 18: ... ID 6 Dimensions 12 Duplex 13 E eMail 15 F Features 3 I Idle Level 13 Input Impedance 12 13 L LED 7 LOCAL SPACE 6 M MSDOS 6 N Network Interface Settings 5 Non Multiplexed Mode 7 O Output Signal Shape 12 Output Voltage 12 P PCI BaseAdres Register 6 PCI Funktionality 12 Pin Assignment 10 Polarity 13 Power Consumption 12 Protective Ground 10 S Setup Register 7 Shield 10 11 SoHard GmbH 15 SUB D connec...

Page 19: ...SH ARC PCI Manual Version 01 00 page 19 ...

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