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SeaLevel 7204e Скачать руководство пользователя страница 7

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© Sealevel Systems, Inc. 7204e Manual | SL9244 11/2022

Technical Description

Each serial port utilizes a 16C950 UART featuring programmable baud rates, data format, interrupt control
and industry-leading 128-byte transmit and receive FIFOs. This high-performance UART includes 9-bit
framing support and is fully software compatible with legacy 16550 applications. In addition, the 14.7456
oscillator and UART’s flexible clock prescaler supports the widest range of standard and non-standard baud
rates to 921.6K bps. Refer to Appendix C for cable length limitations.

Connector Pin Assignments

Board Connector (DB25 Male)

The 7204e board includes a DB25 male connector for attaching the included cable (Item# CA203). The pin
out for the DB25M connector is shown in the table below.

Port 1 Pin#

Port 2 Pin#

RS-422/485

1

11

RD –

2

12

CTS –

3

13

RD +

4

14

TD –

5

15

RTS –

6

16

RTS +

7

17

TD +

8

18

CTS +

9

10

GND

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5
6
7
8
9
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Содержание 7204e

Страница 1: ...1 Sealevel Systems Inc 7204e Manual SL9244 11 2022 Ultra COMM 2 422 PCIe User Manual 7204e and 7204eS...

Страница 2: ...ECHNICAL DESCRIPTION 7 HARDWARE CONFIGURATION 11 SOFTWARE INSTALLATION 15 HARDWARE INSTALLATION 17 HARDWARE REMOVAL 24 TECHNICAL SPECIFICATIONS 25 APPENDIX A TROUBLESHOOTING 26 APPENDIX B HANDLING INS...

Страница 3: ...the transmitter is automatically enabled in hardware eliminating the need for application software control This allows the 7204e to be used with standard serial communications applications and removes...

Страница 4: ...CI Express Board with Standard Height PC Bracket CA203 DB25F to 2 DB9M Cable 36 in Length Advisory Conventions Warning The highest level of importance used to stress a condition where damage could res...

Страница 5: ...one to one so the cable is compatible with any device or cable that has DB9 connectors DB9F to RJ45 Modular Adapter Item RJ9S8 The RJ9S8 is a DB9 female to RJ45 adapter It can be configured without to...

Страница 6: ...PCI Express slot It is available in standard height PCI Express as item 7204eS DB25M Board Connector The board integrates a DB25 male connector for interfacing the two serial ports via the included c...

Страница 7: ...16550 applications In addition the 14 7456 oscillator and UART s flexible clock prescaler supports the widest range of standard and non standard baud rates to 921 6K bps Refer to Appendix C for cable...

Страница 8: ...ors are compatible with a variety of serial peripherals The pin assignments for the supported electrical interfaces are shown in the tables below RS 422 RS 485 DB9 Male Pin Signal Name Mode 1 RX Recei...

Страница 9: ...a wide range of standard and non standard baud rates You simply need to select the appropriate baud rate in your communications software and the driver will calculate the closest matching baud rate Th...

Страница 10: ...kage allows the use of baud rate divisors choose the appropriate divisor from the following table For this Data Rate Choose this Divisor 1200 bps 768 2400 bps 384 4800 bps 192 9600 bps 96 19 2K bps 48...

Страница 11: ...d PORT 2 and configures the second serial port The labels and description of the function for each switch are detailed in the following table Dipswitch Settings Switch Description M1 Sets the electric...

Страница 12: ...12 Sealevel Systems Inc 7204e Manual SL9244 11 2022 The location of the dipswitches is outlined in green in the image below The default configuration settings are shown in drawing...

Страница 13: ...5 mode The first two switches labeled M1 and M0 are used to select the electrical interface To simplify installation and testing the board is shipped in RS 422 mode Use the settings in the table below...

Страница 14: ...nputs Use the switches detailed in the table below to customize the interface to your specific requirements If using the board in an RS 485 two wire network enable the two switches labeled L which tie...

Страница 15: ...ear with text similar to The publisher cannot be determined due to the problems below Authenticode signature not found Please click the Yes button and proceed with the installation This declaration si...

Страница 16: ...e installation of the adapter and associate it with the newly installed SeaCOM driver Linux Installation You MUST have root privileges to install the software and drivers The syntax is case sensitive...

Страница 17: ...board into an available PCI Express slot and boot the computer The Found New Hardware wizard will appear The drivers that were installed during the software installation process will automatically be...

Страница 18: ...fly out menu to launch the Computer Management console window 3 In the left pane under System Tools click Device Manager 4 In right pane near the bottom expand the Multi Port Serial Adapters section b...

Страница 19: ...19 Sealevel Systems Inc 7204e Manual SL9244 11 2022 The 7204e is now ready for use...

Страница 20: ...the hardware installed in a PCI Express slot Do not remove until instructed to do so There are two methods for removing the software references from the Windows OS Device Manager and Control Panel Ea...

Страница 21: ...for the 7204e device and click Uninstall in the fly out menu 7 Confirm that you want to uninstall the device by clicking the OK button This will remove the hardware COM ports and all registry entries...

Страница 22: ...22 Sealevel Systems Inc 7204e Manual SL9244 11 2022 8 The window will refresh and the entry for the device will no longer appear Proceed with removing the software on the following pages...

Страница 23: ...trol Panel 2 In the Control Panel window double click the Add or Remove Programs icon In Windows Vista and 7 it will be labeled Programs and Features 3 The Add or Remove Programs window will list all...

Страница 24: ...ndow will appear Select No not this time and then click the Next button 4 Refer to the Hardware Installation instructions in the preceding section to complete the upgrade 5 When the Found New Hardware...

Страница 25: ...0 to 70 C 32 to 158 F 50 to 105 C 58 to 221 F Humidity Range 10 to 90 R H Non Condensing 10 to 90 R H Non Condensing Power Consumption Supply line 12VDC 3 3VDC Requirements 121 mA 1 4W 218mA 0 7W Manu...

Страница 26: ...cations Detailed help is included in the WinSSD utility Please set the adapters Electrical Interface for RS 422 If you have a loopback plug put it on the adapter connector If you do not have a loopbac...

Страница 27: ...lder in the Start menu On the Port Information tab select the associated COM port and click the Open button This will first open the COM port From this tab the port can also be closed See image below...

Страница 28: ...28 Sealevel Systems Inc 7204e Manual SL9244 11 2022 Change your parameters to 9600 bits per second 8 data bits no parity 1 stop bit and no flow control as pictured below Click Apply and OK...

Страница 29: ...29 Sealevel Systems Inc 7204e Manual SL9244 11 2022 In the main WinSSD window click on the BERT tab Bit Error Rate test Click on the Start button...

Страница 30: ...green light will glow and the Transmit Frames and Receive Frames will increase The Tx and Rx Data Rates will show the calculated data rate This verifies that the adapter is working properly You can co...

Страница 31: ...statically sensitive components in protective packaging or on anti static mats Grounding Methods The following measures help to avoid electrostatic damages to the device Cover workstations with approv...

Страница 32: ...g 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once RS 422 signal levels range from 0 to 5 volts RS...

Страница 33: ...fined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Figure 4 Asynchronous Communications Bit Diagram This special bit is called th...

Страница 34: ...34 Sealevel Systems Inc 7204e Manual SL9244 11 2022 Appendix E Mechanical Drawing...

Страница 35: ...nty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prep...

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