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PCI Express 4-Port Industrial Serial I/O Card User Guide

Specification of PCIe-400i and PCIe-400i-SI

PCIe-400i

Serial Ports

4-Port RS-422/485

RS-422 Signals

TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+,CTS-

RS-485 Signals

TxD-, TxD+, RxD+, RxD- (4 wire), data- , data+ (2 wire)

Connectors

One DB-37 female connector

Protection

15KV ESD protection and 600W surge protection for all serial
signals

Mechanical

PCIe-400i with standard height bracket

Chipset

EXAR XR17V354 PCI Express to quad UART chip

PCIe-400i-SI

Serial Ports

4-Port RS-422/485

RS-422 Signals

TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+,CTS-

RS-485 Signals

TxD-, TxD+, RxD+, RxD- (4 wire), data- , data+ (2 wire)

Connectors

one DB-37 female connector

Protection

15KV ESD protection for all serial signals
600W surge protection for all serial signals
3000 Volt DC optical isolation for all serial signals

Mechanical

PCIe-400i-SI with standard bracket

Chipset

EXAR XR17V354 PCI Express to quad UART chip

Содержание PCIe-400i

Страница 1: ...fer for high speed data throughput Automatic RTS CTS or DTR DSR hardware flow control with programmable hysteresis Automatic Xon Xoff software flow control Drivers provided for Windows and Linux O S Wide ambient temperature operation 0 C to 60 C 32 F to 140 F CE FCC approval PCIe 400i Supports four RS 422 485 serial I O ports Supports four high speed RS 422 485 serial ports with data transfer rate...

Страница 2: ...7V354 Interface RS 422 485 Plug Play Supported IRQ IO Address Assigned by system BIOS Serial Port Serial Ports Number 4 Port RS 422 Signals TxD TxD RxD RxD GND RTS RTS CTS CTS RS 485 Signals TxD TxD RxD RxD 4 wire data data 2 wire Max Bitrates 921 600 bps Serial Configuration Data bits 5 6 7 8 Parity None Odd Even Mark Space Stop bits 1 1 5 2 UART FIFO Buffer size Each port with 256 Bytes FIFO for...

Страница 3: ...serial signals Mechanical PCIe 400i with standard height bracket Chipset EXAR XR17V354 PCI Express to quad UART chip PCIe 400i SI Serial Ports 4 Port RS 422 485 RS 422 Signals TxD TxD RxD RxD GND RTS RTS CTS CTS RS 485 Signals TxD TxD RxD RxD 4 wire data data 2 wire Connectors one DB 37 female connector Protection 15KV ESD protection for all serial signals 600W surge protection for all serial sign...

Страница 4: ...PCI Express 4 Port Industrial Serial I O Card User Guide 3 Environment Operating Temperature 0 C to 60 C Storage Temperature 40 C to 85 C Humidity 0 to 80 RH Noncondensing Safety Approvals CE FCC ...

Страница 5: ...in Type Description 1 Output TxD Transmit Data negative polarity 2 Output TxD Transmit Data positive polarity 3 Input RxD Receive Data positive polarity 4 Input RxD Receive Data negative polarity 5 Ground GND Signal Ground 6 Output RTS Request To Send negative polarity 7 Output RTS Request To Send positive polarity 8 Input CTS Clear To Send positive polarity 9 Input CTS Clear To Send negative pola...

Страница 6: ...larity 2 Output TxD Transmit Data positive polarity 3 Input RxD Receive Data positive polarity 4 Input RxD Receive Data negative polarity 5 Ground GND Signal Ground RS 485 half duplex 2 wire pin out for DB 9 connector Pin Number Pin Type Description 1 Out In Data Transmit Receive Data negative polarity 2 Out In Data Transmit Receive Data positive polarity 5 Ground GND Signal Ground ...

Страница 7: ...ctor for four RS 422 485 ports Pin RS 422 Mode RS 485 4W Mode RS 485 2W Mode 1 NC 2 TxD 3 TxD 3 Data 3 3 Ground Ground Ground 4 CTS 3 5 TxD 3 TxD 3 Data 3 6 CTS 4 7 RxD 4 RxD 4 8 RTS 4 9 RTS 4 10 RxD 4 RxD 4 11 TxD 2 TxD 2 Data 2 12 Ground Ground Ground 13 CTS 2 14 TxD 2 TxD 2 Data 2 15 CTS 1 ...

Страница 8: ...RTS 1 19 RxD 1 RxD 1 20 CTS 3 21 RxD 3 RxD 3 22 RTS 3 23 RTS 3 24 RxD 3 RxD 3 25 TxD 4 TxD 4 Data 4 26 Ground Ground Ground 27 CTS 4 28 TxD 4 TxD 4 Data 4 29 CTS 2 30 RxD 2 RxD 2 31 RTS 2 32 RTS 2 33 RxD 2 RxD 2 34 TxD 1 TxD 1 Data 1 35 Ground Ground Ground 36 CTS 1 37 TxD 1 TxD 1 Data 1 ...

Страница 9: ...Device Manager for PCI Express 4 port industrial serial I O card please follow the steps below 1 Switch off the computer 2 Insert PCI Express industrial serial I O card into a free PCI Express Bus slot 3 Switch on the computer and start Windows O S 4 Windows O S will automatically detect the PCI Express I O Card 5 Press START button and select Control Panel ...

Страница 10: ...PCI Express 4 Port Industrial Serial I O Card User Guide 9 6 Select Hardware and Sound 7 Select Device Manager ...

Страница 11: ...t Industrial Serial I O Card User Guide 10 8 Under Device Manager of the System properties you can find PCI Serial Port attached to Other devices Select PCI Serial Port 9 Select Action and execute Update Driver Software ...

Страница 12: ... Click Browse my computer for driver software 11 Insert the driver CD into the CD ROM or DVD ROM drive 12 Select the directory PCIe Drivers x86 for 32 bits Windows O S PCIe Drivers x64 for 64 bits Windows O S as the target Click on OK and on Next to install driver ...

Страница 13: ...re 16 Click Browse my computer for driver software again 17 Select the directory PCIe Drivers x86 for 32 bits Windows O S PCIe Drivers x64 for 64 bits Windows O S as the target Click on OK and on Next to install COM port driver 18 After COM port driver installation is done successfully you can find first Exar s Communications Port COMx under Ports COM LPT in Device Manager 19 Select next Multifunc...

Страница 14: ...al Serial I O Card User Guide 13 20 After all COM port driver installation is done successfully you can find four Exar s Communications Port COMx under Ports COM LPT in Device Manager 21 Restart computer to complete installation ...

Страница 15: ...per the requirements of your application The RS 422 RS 485 Mode Block Configuration Settings are listed as follows SW1 SW2 SW3 SW4 for Mode Setting Operation Mode 1 2 3 RS 422 4 wire with Handshaking ON ON ON RS 485 Full Duplex 4 wire OFF ON ON Half Duplex 2 wire with Echo OFF OFF ON Half Duplex 2 wire without Echo OFF OFF OFF When PCIe 400i and PCIe 400i SI working in RS 485 operation mode you ne...

Страница 16: ...ents of your application Settings are listed as follows DIP Switch Function Remark S1 2 3 4 pin1 ON Enable TxD biasing resistor Pull up TxD with 750 ohm resistor S1 2 3 4 pin2 ON Enable TxD TxD termination resistor 120 ohm termination resistor S1 2 3 4 pin3 ON Enable TxD biasing resistor Pull down TxD with 750 ohm resistor S1 2 3 4 pin4 ON Enable RxD biasing resistor Pull up RxD with 750 ohm resis...

Страница 17: ... the automatic direction control of the RS 485 transceiver buffer in the RS 485 operation mode 2 Click on OK under Exar s Communications Port COMx Properties to enable the automatic direction control of the RS 485 transceiver buffer for RS 485 mode operation 3 Repeat step 1 to 2 for other COM port to enable the automatic direction control of RS 485 mode operation Proper Wiring for RS 422 485 Opera...

Страница 18: ...ltage between those two wires This hardens the transmission against noise Usually twisted pair cables are used which further reduces the sensitivity for noise To make sure the signals meet the common voltage range the GND of sender and receiver must be connected somehow To insure the signals are in the valid voltage range and the differential voltage can be correctly sensed by the receiver the GND...

Страница 19: ...d RS 422 and RS 485 4 Wire Scheme The RS 422 requires dedicated wire pairs for transmit and receive The transmit wires are used to send data to as many as 10 receivers as stated in the specifications of RS 422 Since the PCIe 400i and PCIe 400i SI use RS 485 line driver technology up to 32 receivers are possible The following diagram shows RS 422 and RS 485 4 wire scheme ...

Страница 20: ...PCI Express 4 Port Industrial Serial I O Card User Guide 19 The following diagram shows RS 485 2 Wire scheme ...

Страница 21: ... bring up Device Control screen Then select Uninstall to start Exar s Communications Port COMx driver uninstall 2 Under Confirm Device Uninstall screen check Delete the driver software for this device Click OK to uninstall the software driver If you don t find Delete the driver software for this device message please only click OK to uninstall the software driver 3 Right click on other Exar s Comm...

Страница 22: ...te the driver software for this device Click OK to uninstall the software driver If you don t find Delete the driver software for this device message please only click OK to uninstall the software driver 6 If you install more than one PCI Express 4 port serial I O cards in system please right click on other Exar s 4 Port UART PCI Express Card and repeat step 4 5 to uninstall all PCI Express 4 port...

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