Connect Tech Xtreme 104 Opto, User Manual

Page 1: ... port Serial Communications Adapter User Manual Connect Tech Inc 42 Arrow Road Guelph Ontario N1K 1S6 Tel 519 836 1291 800 426 8979 Fax 519 836 4878 Email sales connecttech com support connecttech com FTP ftp connecttech com URL http www connecttech com CTIM 00007 Revision 0 00 August 31 2000 Part Number MAN045 ...

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Page 3: ...is the only warranty authorized by Connect Tech Inc under no circumstances will Connect Tech Inc be liable in any way for any damages including any lost profits lost savings or other incidental or consequential damages arising out of the use of or inability to use such product Copyright Notice The information contained in this document is subject to change without notice Connect Tech shall not be ...

Page 4: ...luded into a device ultimately subject to FCC DOC IC and CE certification The customer is responsible for bringing the completed device into compliance prior to resale Connect Tech has designed the Xtreme 104 Opto with EMI and EMC considerations such as Ground and power planes Controlled slew rate signals EMI EMC reducing PCB layout ...

Page 5: ...stallation 11 Windows NT 11 Utilities 11 Portfind 11 Porttest 11 SeePORT 11 Specifications 13 Operating Environment 13 Power Requirements 13 PC Bus Interface 13 Communications 13 Control Signals 13 Dimensions 14 Connectors Interface 14 Part Numbers 14 Connectors Pinouts 15 Factory Default Settings 17 RS 232 RS 485 422 Interfaces 19 Electrical Interface Selection 19 Full Duplex Mode 20 Half Duplex ...

Page 6: ...Port address settings 5 Table 2 Baud rates 9 Table 3 P4 P5 P6 P7 10 pin port header pinouts 15 Table 4 DB 9 cable connector pinouts 16 List of Figures Figure 1 Xtreme 104 Opto adapter 3 Figure 2 RS 485 422 wiring diagram 4 wire 24 Figure 3 RS 485 422 wiring diagram 2 wire 24 ...

Page 7: ...ical interfaces The interfaces are jumper selectable for each port Multiple Xtreme 104 Opto adapters may reside in a system 16C2850 dual UARTs control each port The 16C2850 has 128 byte TxD and RxD FIFO buffers for each port and automatic software hardware flow control Each port has independent baud rate selection offering baud rates from 50 230 4 KBPS RS 232 and 50 460 8 KBPS RS 485 422 with 5 6 ...

Page 8: ...h humidity especially conditions that are right for condensation to occur 2 Optical isolation can degrade if airborne dust is allowed to accumulate on the surface of the board 3 An Electrical Shock hazard could exist depending on what equipment is connected to the Xtreme 104 Opto Under these circumstances the wiring and or cabling leading to the serial port connections may have high voltages on th...

Page 9: ...5 JB4 JB2 JB3 10 11 12 14 15 3 4 5 6 7 9 B C D A B C D E F G A B C D E F G A B C D E F G JB1 A Ports 1 2 10 pin connectors P5 IRQ jumper bloc JB1 PC 104 bus connector IRQ jumper block JB2 Ports 1 2 10 pin connectors I O address IRQ Mode Clock Select jumper block JB3 RS 232 enable Tx Rx control Tx Rx Terminators jumper blocks JB4 JB5 16C2850 UARTS P4 Xtreme 4 104 Opto 1 KV optical isolators Ports 3...

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Page 11: ...tion and location of jumper block JB3 Technical tip Please make certain that the Status Port Enable jumper is disabled if your application is not using the Status Port This eliminates the possibility of an address conflict with another device in your system Custom Port Addresses You can generate other port addresses by making changes to the CPLDs found on the Xtreme 104 Opto adapter If you require...

Page 12: ...the Xtreme 104 Opto adapter Please refer to Figure 1 for a description and location of the jumper blocks JB1 JB2 and JB3 You are able to configure the Xtreme 104 Opto adapter for four different IRQ modes Mode 1 one IRQ 1 First you make sure there are no jumpers across positions E and D on the JB3 jumper block 2 All ports interrupting on one IRQ by setting jumpers on the A or C rows and the middle ...

Page 13: ...or Port 2 install a jumper across a pair of pins on B row and the middle row of IRQ block JB1 4 To set an IRQ for Port 3 install a jumper across a pair of pins on C row and the middle row of IRQ block JB2 5 To set an IRQ for Port 4 install a jumper across a pair of pins on D row and the middle row of IRQ block JB2 Example Mode 1 one IRQ The following example shows the settings on JB3 and the IRQ j...

Page 14: ... JB3 IRQ select A B 9 7 4 3 6 5 IRQ jumper block JB1 C D 15 11 10 14 12 IRQ jumper block JB2 A B C D E F G Example Mode 4 four IRQs The following example shows the settings on JB3 and the IRQ jumper blocks JB1 and JB2 so that Port 1interrupts on IRQ 7 Port 2 interrupts on IRQ 4 Port 3 interrupts on IRQ 12 and Port 4 interrupts on IRQ 10 JB3 IRQ select A B 9 7 4 3 6 5 IRQ jumper block JB1 C D 15 11...

Page 15: ...lock JB3 Please refer to Table 2 for a list of standard and extended baud rates for the Xtreme 104 Opto Example I O address IRQ Clock Select jumper block JB3 A B C Clock select D E F G jumper installed 460 8 KBPS max jumper not installed 115 2 KBPS max Note You must reset your system when you change the clock select setting Table 2 Baud rates Standard Baud Rate 1X set in software Max Baud Rate 4X ...

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Page 17: ...e 104 Opto distribution diskette Porttest Porttest is a utility that performs loopback tests on the RxD TxD RTS CTS DTR and DCD signals of the serial ports in your system For more information on the use of Porttest please refer to the readme file porttest txt on the Xtreme 104 Opto distribution diskette SeePORT SeePORT is a Windows 95 98 full featured serial data analyzer software application incl...

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Page 19: ...e PC 104 expansion connector Communications UARTs 16C2850 dual UARTs communication controllers On chip 128 byte TxD and RxD FIFO buffers per port Automatic RTS CTS Hardware flow control Automatic XON XOFF Software flow control Compatible with 16550 style software drivers RS 232 Programmable baud rate generator up to 230 4 8K baud on all RS 232 ports Full duplex point to point RS 485 422 Programmab...

Page 20: ...ches Width 9 60 cm 3 78 inches Compliant to PC 104 Specification 2 3 Connectors Interface Xtreme 2 104 Opto Two 10 pin header connectors Xtreme 4 104 Opto Four 10 pin header connectors Part Numbers Xtreme 2 104 Opto 1040290101 Xtreme 104 Opto 2 port c w 16C2850 UARTs with cable Xtreme 4 104 Opto 1040490101 Xtreme 104 Opto 4 port c w 16C2850 UARTs with cable ...

Page 21: ...Pin No RS 232 Direction RS 485 422 Direction 1 NC NC RxD input 2 NC NC CTS input 3 RxD input RxD input 4 RTS output RTS output 5 TxD output TxD output 6 CTS input CTS input 7 NC NC TxD output 8 NC NC RTS output 9 Isolated Gnd signal gnd Isolated Gnd signal reference 10 N A N A N A N A 4 6 8 10 9 7 5 3 Printed circuit board 2 1 ...

Page 22: ... Gnd signal reference 6 NC NC CTS input 7 RTS output RTS output 8 CTS input CTS input 9 NC NC RTS output Male DB 9 Connector 1 5 6 9 Technical Tip 1 You must connect pin 5 the isolated ground to the ground of the external device you are connecting to 2 Please ensure that you terminate the CTS signal if your application does not use them The common way to do this is to connect CTS to RTS Failure to...

Page 23: ...f 115 2 KBPS position G not jumpered IRQs 1 JB3 set for all ports interrupting on a single interrupt positions D E not jumpered 2 JB1 and JB2 jumper blocks set for no interrupts all positions not jumpered Electrical Interface JB4 JB5 JB6 and JB7 set for all ports RS 485 422 position B not jumpered RS 485 Mode JB4 JB5 JB6 and JB7 set for all ports running in full duplex mode positions A and C not j...

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Page 25: ...not installed across position B enable the RS 485 422 interface for that port Figure 1 shows the locations of jumper blocks JB4 JB5 JB6 and JB7 Example 1 This example shows the settings on JB4 and JB5 jumper blocks so that port 1 is set for RS 232 and port 2 is set for RS 485 422 JB4 A JB5 B C D E F G A B C D E F G Example 2 This example shows the settings on JB4 JB5 JB6 and JB7 jumper blocks so t...

Page 26: ...s the locations of jumper block JB4 JB5 JB6 JB7 and J1 J2 Example The example below shows the settings on JB4 JB5 JB6 and J1 J2 where RS 485 ports 1 2 and 3 are set for full duplex mode Port 4 is RS 232 and therefore is not set for full duplex JB4 A JB5 B C D E F G A B C D E F G JB6 A B C D E F G JB7 A B C D E F G J1 Jumper is off J1 J2 Jumper is off J2 Technical Note J1 controls ports 1 and 2 and...

Page 27: ...i stated and the receiver to enable The Xtreme 104 Opto adapter is responsible for timing the RTS toggle Figure 1 shows the locations of jumper block JB4 JB5 JB6 JB7 and J1 J2 Example The example below shows the settings on JB4 JB5 JB6 and J1 J2 where RS 485 ports 1 2 are set for half duplex mode Ports 3 4 are RS 232 and therefore should not be set for half duplex JB4 A JB5 B C D E F G A B C D E F...

Page 28: ...connections Figure 1 shows the locations of jumper block JB4 JB5 JB6 JB7 and J1 J2 Example The example below shows the settings on JB4 JB5 JB6 and J1 J2 where RS 485 ports 1 2 are set for multi drop slave mode Ports 3 4 are RS 232 and therefore should not be set for multi drop slave mode JB4 A JB5 B C D E F G A B C D E F G JB6 A B C D E F G JB7 A B C D E F G J1 Jumper is on J1 J2 Jumper is off J2 ...

Page 29: ...ll duplex RS 485 port 2 is terminated the multi drop slave RS 485 port 3 is not terminated and the RS 232 port 4 is not and should not be terminated JB4 A JB5 B C D E F G A B C D E F G JB6 A B C D E F G JB7 A B C D E F G Technical Notes 1 For half duplex RS 485 ports you only jumper positions D and E on the appropriate jumper block JB4 JB5 JB6 or JB7 if you want them terminated 2 For full duplex a...

Page 30: ...to adapter RS 485 422 peripheral 3 4 2 5 6 9 7 8 1 Figure 3 describes a 2 wire cabling scheme between a port on the Xtreme 104 Opto adapter to a port on the RS 485 422 peripheral Figure 3 RS 485 422 wiring diagram 2 wire RTS RTS CTS CTS TxD TxD RxD RxD RxD TxD RxD TxD RTS CTS RTS CTS SR SR Xtreme 104 Opto adapter RS 485 422 peripheral 3 1 4 2 5 6 9 7 8 Technical Tips 1 The RS 485 422 electrical in...

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