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Connect Tech Xtreme/104 Plus, PCI-104 and PCI/104 Express Family User Manual 

 

Revision 0.09 
 

39 

 

21.3  RS-422/485 Wiring Examples 

 

Note: The RS-422/485 electrical interface consists of a differential signaling scheme. 
You should always connect the signals with twisted pairs.  The Signal Reference (GND) 
must be connected. 

 

TxD+
TxD-
GND
RxD+
RxD-

RxD+
RxD-
GND
TxD+
TxD-

Xtreme/104

RS485 Device

 

 
Figure 18: RS-422/485 Wiring Diagram (4 Wire) 

 
 

TxD+
TxD-
GND
RxD+
RxD-

RxD+
RxD-
GND
TxD+
TxD-

RxD+
RxD-
GND
TxD+
TxD-

Xtreme/104

RS485 Device 1

RS485 Device 2

 

Figure 19: RS-422/485 Wiring Diagram (4 Wire Multidrop) 

 

TxD+
TxD-
GND
RxD+
RxD-

RxD+
RxD-
GND
TxD+
TxD-

Xtreme/104

RS485 Device

 

 

Note: On the Xtreme/PCI-104 12 Port Opto the TxD+ to RxD+ and TxD- to RxD- wiring 
is done by the SP336 transceiver when Half Duplex mode is configured. 

Figure 20: RS-422/485 Wiring Diagram (2 Wire) 
 

Содержание PCI-104

Страница 1: ...ser Manual Connect Tech Inc 42 Arrow Road Guelph Ontario N1K 1S6 Tel 519 836 1291 Toll 800 426 8979 North America only Fax 519 836 4878 Email sales connecttech com support connecttech com Web www connecttech com CTIM 00029 Revision 0 09 February 15 2011 ...

Страница 2: ...eparable Connect Tech Inc reserves the right to substitute an equivalent product if available or to retract lifetime warranty if no replacement is available The above warranty 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 arisi...

Страница 3: ...422 485 and RS 423 Models 20 15 1 RS 232 Electrical Interface 20 15 2 RS 422 485 Electrical Interface 20 15 2 1 Full Duplex 4 Wire Mode 20 15 2 2 Half Duplex 2 Wire Mode 20 15 2 3 Multi drop 4 Wire Mode 20 15 2 4 Line Bias and Termination 20 15 3 Jumper Block Settings 21 15 3 1 Four and Eight Port Xtreme 104 Plus models 21 15 3 2 Sixteen Port Xtreme 104 Plus models 21 15 3 3 Jumper Details 22 15 4...

Страница 4: ...dels hardware components 10 Figure 2 Xtreme 104 Plus RS 423 Model Hardware Components 11 Figure 3 Xtreme 104 Plus RS 232 422 485 TTL Models 12 Figure 4 Xtreme 104 Plus Opto RS 232 422 485 Hardware Components 4 Port Model 13 Figure 5 Xtreme 104 Plus 16 Port RS 232 422 485 Hardware Components 14 Figure 6 Xtreme 104 Express Opto 4 and 8 port Hardware Components 15 Figure 7 Xtreme PCI104 Opto 12 Port ...

Страница 5: ...le 5 10 Pin R A Port Header Pinouts on 12 Port Opto Models 35 Table 6 DB 9 Male Cable Pinouts 36 Table 7 CBG067 DB 9 Male Cable Pinouts for 12 Port Opto model 36 Table 8 RS 232 TTL Px1 Right Angled Header Pinouts CAG104 Compatible 37 Table 9 RS 485 Px2 Vertical Header Pinouts 37 Table 10 Multipurpose I O MPIO Header Pinout Direct Connection to UART 37 ...

Страница 6: ... You may contact us through the Internet Our email and URL addresses on the Internet are sales connecttech com support connecttech com www connecttech com Note Please go to the Download Zone or the Knowledge Database in the Support Center on the Connect Tech Inc website for product manuals installation guides device driver software and technical tips Submit your technical support questions to our ...

Страница 7: ...reme 104 Plus Universal PC 104 Plus adapter o 16 Port models require 5V power PCI 2 0 and PC 104 Plus compliant 2 port model 2 ports RS 423 4 port models 4 ports RS 423 or 4 ports jumper selectable RS 232 422 485 8 port models 8 ports jumper selectable RS 232 422 485 TTL model as well 16 port models 16 ports jumper selectable RS 232 422 485 TTL model has the ability to disable ports when not in us...

Страница 8: ...layer PCB built with EMI reduction techniques Built with low power CMOS components 8 1 3 Xtreme 104 Express Opto PCIe 104 Version 1 1 compliant 4 or 8 port models with jumper selectable for RS 232 422 485 Supports full duplex half duplex and multi drop communication modes in RS 422 485 Maximum data rates of 921 6 Kbps RS 232 and 7 812Mbps 1 5 RS 422 485 with 16x baud clock Fractional Baud rate gen...

Страница 9: ...64 byte RX and TX FIFO buffers improve performance and eliminate lost receive data Operating temperature range of 40ºC to 85ºC Each port can be configured independently for baud rate parity data and stop bits High performance UARTs on each port 1kV AC RMS optical isolation Software support for Windows 2000 XP Server Vista 7 QNX 4 QNX6 Linux Contact sales or support for most recent list and model c...

Страница 10: ...Connect Tech Xtreme 104 Plus PCI 104 and PCI 104 Express Family User Manual Revision 0 09 10 9 Xtreme 104 Plus Diagrams Figure 1 Xtreme 104 Plus RS 232 422 485 4 and 8 port models hardware components ...

Страница 11: ...Connect Tech Xtreme 104 Plus PCI 104 and PCI 104 Express Family User Manual Revision 0 09 11 Figure 2 Xtreme 104 Plus RS 423 Model Hardware Components ...

Страница 12: ...Connect Tech Xtreme 104 Plus PCI 104 and PCI 104 Express Family User Manual Revision 0 09 12 Figure 3 Xtreme 104 Plus RS 232 422 485 TTL Models ...

Страница 13: ...er Manual Revision 0 09 13 Note Configuration information for the RS 232 422 485 TTL model including jumper settings and pinouts is located in Electrical Interfaces RS 232 422 485 TTL models Figure 4 Xtreme 104 Plus Opto RS 232 422 485 Hardware Components 4 Port Model ...

Страница 14: ...Connect Tech Xtreme 104 Plus PCI 104 and PCI 104 Express Family User Manual Revision 0 09 14 Figure 5 Xtreme 104 Plus 16 Port RS 232 422 485 Hardware Components ...

Страница 15: ...xpress Diagrams P1 P2 P3 P4 P5 P6 P7 P8 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J15 J16 J17 J19 Port I O connectors 2x5 R A headers Line Interface selection jumpers Ports 1 4 Ports 5 8 RS485 control jumpers PCI 104 Express Connector P10 Figure 6 Xtreme 104 Express Opto 4 and 8 port Hardware Components ...

Страница 16: ...treme PCI104 12 Port Opto Diagrams Port 1 Port 6 Port 7 Port 12 J1 1 J1 2 J2 1 J2 2 J3 1 J3 2 J4 1 J4 2 J5 1 J5 2 J6 1 J6 2 J7 2 J7 1 J8 1 J8 2 J9 1 J9 2 J10 2 J10 1 J12 1 J12 2 J11 1 J12 2 FE D C B A AB AB AB C D E F G 485 P 9 12 P 5 8 P 1 4 Figure 7 Xtreme PCI104 Opto 12 Port Hardware Components ...

Страница 17: ...ound on the accompanying CD Installation guides are also available on the CD to aid you in this process 13 Hardware Installation 13 1 ESD Warning Electronic components and circuits are sensitive to ElectroStatic Discharge ESD When handling any circuit boards including Connect Tech PC 104 boards it is recommended that ESD safety precautions be observed ESD safe best practices include but are not li...

Страница 18: ...tion the fourth ID was reserved for target only devices and did not support bus mastering Since the Xtreme 104 Plus is not a bus mastering device we would recommend an assignment of ID 3 This leaves three of the IDs in the PC 104 Plus stack available for bus mastering devices In systems designed post PC 104 Plus 2 0 specification all four IDs support bus mastering so there is no advantage to setti...

Страница 19: ... or Xtreme PCI 104 card is equipped with a jumper block for ID selection set your board s location by changing jumper positions Figure 7 depicts the jumper settings required for each ID The jumpers remain unpopulated for an ID of zero Populate the left jumper for an ID of one the right jumper for an ID of two or populate both for an ID of three Figure 9 Jumper Settings for ID Selection ...

Страница 20: ...is disabled When the not transmitting the TxD is disabled and the RxD is enabled The TxD is disabled by tri stating the output driver pins This mode is used in both point to point 2 wire connections and in multi drop 2 wire bus type connections Special software setup is required so that the Xtreme 104 hardware automatically performs the TxD and RxD enabled and disabling See the Driver Software Con...

Страница 21: ...ll duplex and port 4 is set to RS 422 485 4 wire multi drop The following jumper blocks correspond to the following ports JA J1 Port 1 JE J5 Port 5 JB J2 Port 2 JF J6 Port 6 JC J3 Port 3 JG J7 Port 7 JD J4 Port 4 JH J8 Port 8 15 3 2 Sixteen Port Xtreme 104 Plus models Figure 11 Example of Various Jumper Block Settings for RS 232 422 485 Models In this example port 1 is set to RS 232 port 2 is set ...

Страница 22: ...s also enabled that drives the receiver to an inactive or safe mode The receiver can still receive data from another device and the biasing helps to prevent the reception of data generated by noise on the transmission line The two jumpers for RxD termination bias must be installed and removed as a pair TxD Termination Install this jumper to enable a 150 ohm resistor across the TxD and TxD pins of ...

Страница 23: ...to and Xtreme 104 Express Opto models Jumper J1 Xtreme 104 Plus and J19 Xtreme 104 Express control the power on tri state functionality Install a jumper on the first location of J1 or J19 and configure Port 1 in RS 485 half duplex or multi drop slave in order to tri state Port 1 at power on install a jumper on the second position of J1 to control Port 2 etc Ports will not come out of tri state unt...

Страница 24: ...rence See Figure 13 for information on configuring ports for RS 422 485 mode 16 3 Jumper Block Settings The following jumper blocks correspond to the following ports JA Port 1 JE Port 5 JB Port 2 JF Port 6 JC Port 3 JG Port 7 JD Port 4 JH Port 8 The pin functions are outlined in the following diagram Figure 12 Examples of Various Jumper Block Settings for RS 232 422 485 TTL Models In the example i...

Страница 25: ...ech Xtreme 104 Plus PCI 104 and PCI 104 Express Family User Manual Revision 0 09 25 remain active by shorting the appropriate jumper This is possible even if the board is not in RS 422 485 mode or it is disabled ...

Страница 26: ... when no mode configuration jumpers are installed In this mode the SP336 line transceiver is shutdown and the I O section port consumes a minimum of current The current reduction is as much as 50ma for shutting down of a RS232 port and 70mA for shutting down a RS485 port 17 2 2 RS 232 Electrical Interface Standard RS 232 mode 17 2 3 Full Duplex 4 Wire RS485 In this mode TxD and RxD are being drive...

Страница 27: ... J4 1C J4 1D J4 1E J4 1F Mode Bit 0 Mode Bit 1 Mode Bit 3 Multidrop Enable RXD B T RXD B T TXD RXD B T TXD RXD B T J4 2A J4 2B J5 1A J5 1B J5 1C J5 1D J5 1E J5 1F J6 1A J6 1B J6 1C J6 1D J6 1E J6 1F Mode Bit 0 Mode Bit 1 Mode Bit 3 Multidrop Enable RXD B T RXD B T Mode Bit 0 Mode Bit 1 Mode Bit 3 Multidrop Enable RXD B T RXD B T TXD RXD B T TXD RXD B T TXD RXD B T TXD RXD B T J5 2A J5 2B J6 2A J6 ...

Страница 28: ... NOT USE ANY OTHER COMBINATIONS THAN THE ABOVE 1 Jumper on 0 jumper removed 17 6 Power on Tri state for Xtreme PCI 104 Opto 12 Port These models offer a power on tri state feature to ensure glitch free power up on multi drop networks When enabled the Xtreme 104 Opto will hold the RS 485 transmitter in tri state at power up This feature is available on ports configured as RS 485 half duplex or RS 4...

Страница 29: ...her information concerning software installation of Xtreme 104 products please visit the Connect Tech website at www connecttech com If you are interested in a device driver for an operating system not listed please contact the Connect Tech Sales Department Also visit the Download Zone of the Support Center on the Connect Tech website for the latest product manuals installation guides diagnostic u...

Страница 30: ...104 and PCI 104 Express Family User Manual Revision 0 09 30 19 Connectors Pinouts 19 1 40 Pin Connector Pin Numbering Figure 14 40 Pin Connector Pin Numbering 19 2 80 Pin Connector Pin Numbering Figure 15 80 Pin Connector Pin Numbering ...

Страница 31: ...put 13 RxD Input 14 RTSRef RTS Signal Reference 15 TxDRef TxD Signal Reference 16 CTS Input 17 TxD Output 18 RTS Output 19 GND Ground 1 20 N C No connection 3 21 RxD Input 22 CTS Input 23 RxD Input 24 RTSRef RTS Signal Reference 25 TxDRef TxD Signal Reference 26 CTS Input 27 TxD Output 28 RTS Output 29 GND Ground 1 30 N C No connection 4 31 RxD Input 32 CTS Input 33 RxD Input 34 RTSRef RTS Signal ...

Страница 32: ...R Input CTS Input 13 RxD Input RxD Input 14 RTS Output RTS Output 15 TxD Output TxD Output 16 CTS Input CTS Input 17 DTR Output TxD Output 18 RI Input RTS Output 19 SG Signal Ground SR Signal Reference 20 N C No Connection N C No Connection 3 5 or 6 21 DCD Input RxD Input 22 DSR Input CTS Input 23 RxD Input RxD Input 24 RTS Output RTS Output 25 TxD Output TxD Output 26 CTS Input CTS Input 27 DTR O...

Страница 33: ...R Output TxD Output 18 RI Input RTS Output 58 RI Input RTS Output 19 SG Signal Ground SR Signal Ref 59 SG Signal Ground SR Signal Ref 20 NC NC NC NC 60 NC NC NC NC 3 or 11 21 DCD Input RxD Input 7 or 15 61 DCD Input RxD Input 22 DSR Input CTS Input 62 DSR Input CTS Input 23 RxD Input RxD Input 63 RxD Input RxD Input 24 RTS Output RTS Output 64 RTS Output RTS Output 25 TxD Output TxD Output 65 TxD ...

Страница 34: ...C 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 Ribbon Cable Red stripe pin 1 10 pin header Cable header Arrow View facing 10 pin header Note The red stripe on the CAG...

Страница 35: ... 1 NC NC RxD input NC NC 2 RXD input RxD input NC NC 3 RTS output RTS output NC NC 4 NC NC RTS output NC NC 5 TXD output TxD output TxD RxD input output 6 NC NC TxD output TxD RxD input output 7 NC NC CTS input NC NC 8 CTS input CTS input NC NC 9 GND SR GND SR GND SR GND SR GND SR GND SR 10 GND SR GND SR GND SR GND SR GND SR GND SR 1 9 10 2 SR means Signal Reference This is terminology used in RS4...

Страница 36: ...nal Reference 8 CTS Input CTS Input CTS Input 9 RI Input RTS Output RTS Output Notes 1 Applies to the following cable 1 Port Cable CAG104 4 Port Cable CAG8104 8 Port Cable CBG082 and most other DB9 Male cables 20 2 Xtreme PCI 104 12 Port Opto Table 7 CBG067 DB 9 Male Cable Pinouts for 12 Port Opto model Pin RS 232 RS 422 485 RS 485 2 wire Half Duplex DB 9 Signal Direction Signal Direction Signal D...

Страница 37: ...7 DTR Output 8 RI Input 9 SG Signal Ground 10 5V supply to external devices Note Total current drawn on 5V pins of all ports must not exceed 1A Table 9 RS 485 Px2 Vertical Header Pinouts See Figure 3 for port header numbering and locations Pin RS 485 Signal Direction 1 TxD Output 2 TxD Output 3 RxD Input 4 RxD Input 5 SR Signal Reference Table 10 Multipurpose I O MPIO Header Pinout Direct Connecti...

Страница 38: ... 38 21 Wiring Examples 21 1 RS232 Wiring Example TxD RxD GND CTS RTS RxD TxD GND RTS CTS Xtreme 104 RS232 Device Figure 16 RS 232 Wiring Diagram 21 2 RS423 Wiring Example TxD Ref GND RxD RxD RxD RxD GND TxD Ref Xtreme 104 RS232 Device TxD TxD Ref GND RXD RxD Figure 17 RS 423 Wiring Diagram ...

Страница 39: ...xD TxD GND RxD RxD RxD RxD GND TxD TxD Xtreme 104 RS485 Device Figure 18 RS 422 485 Wiring Diagram 4 Wire TxD TxD GND RxD RxD RxD RxD GND TxD TxD RxD RxD GND TxD TxD Xtreme 104 RS485 Device 1 RS485 Device 2 Figure 19 RS 422 485 Wiring Diagram 4 Wire Multidrop TxD TxD GND RxD RxD RxD RxD GND TxD TxD Xtreme 104 RS485 Device Note On the Xtreme PCI 104 12 Port Opto the TxD to RxD and TxD to RxD wiring...

Страница 40: ... and 4 port models Xtreme 104 Express Opto 8 Port models 5 V DC 5 1100 mA max Xtreme 104 Express Opto 4 Port models 5 V DC 5 700 mA max Xtreme PCI 104 12 Port Opto model XIG001 5 V DC 5 980 mA all ports RS485 mode 5 V DC 5 830 mA all ports RS232 mode Xtreme PCI 104 16 Port Opto 16 port model XPG024 5 V DC 5 360 mA all ports RS485 mode 5 V DC 5 370mA all ports RS232 mode 22 3 PC 104 Bus Interface 3...

Страница 41: ...2 7 2 UARTs Dual quad or octal Exar PCI UARTs provide 64 byte transmit and receive FIFO buffers for each port Quad or Octal Exar PCI Express UARTs provide 256 byte transmit and receive FIFO buffers for each port Twelve and Sixteen Port models feature quad or octal Exar UARTs with 64 byte FIFO buffers 22 7 3 Control Signals Xtreme 104 Plus RS 423 Models RS 423 TxD TxDRef RxD RTS RTSRef and CTS Xtre...

Страница 42: ...n Cable Part Number Description XIG001 12 Port PCI 104 Opto with RS 232 422 485 interfaces CBG067 1 Port locking cable to DB9 Male up to 12 cables required XPG002 4 Port PC 104 Plus with with RS 232 422 485 interfaces CAG8104 4 Port cable to 8x DB9 Male 1 cable required XPG003 8 Port PC 104 Plus with with RS 232 422 485 interfaces CAG8104 4 Port cable to 8x DB9 Male 2 cables required XPG024 16 Por...

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