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SeaLevel Ultra 485.OPT022, Руководство пользователя

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SeaLevel Ultra 485.OPT022 Скачать руководство пользователя страница 11

 

 

 

 

                                                                                                                               

               

                                                                             

 

 

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         © Sealevel Systems, Inc. 

7105-DB9 Manual   |  SL9053  9/2021 

 

Technical Description 

The  Sealevel  Systems 

ULTRA 485.OPTO22 

provides  an  additional  asynchronous  serial  port,  field 

selectable as RS-422/485 for industrial automation and control applications.  
 
The 

ULTRA 485.OPTO22 

utilizes the EXAR 16C850 UART. This chip features programmable baud rates, 

data format, interrupt control and industry leading 128-byte FIFOs. 
 
 

Connector Assignments 

RS-422/485 Pin Assignments 
 

Signal

 

 

Name

 

Pin #

 

Mode

 

GND 

 

Ground 

3 

 

RDB 

RX+ 

Receive Positive 

8 

Input 

RDA 

RX- 

Receive Negative 

9 

Input 

CTSB 

CTS+  

Clear To Send Positive 

6 

Input 

CTSA 

CTS-  

Clear To Send Negative 

7 

Input 

TDB 

TX+  

Transmit Positive 

4 

Output 

TDA 

TX-  

Transmit Negative 

5 

Output 

RTSB 

RTS+ 

Request To Send Positive 

1 

Output 

RTSA 

RTS- 

Request To Send Negative 

2 

Output 

 

 

 

 

 

Содержание Ultra 485.OPT022

Страница 1: ...1 Sealevel Systems Inc 7105 DB9 Manual SL9053 9 2021 Ultra 485 OPT022 User Manual 7105 DB9...

Страница 2: ...TUP 5 SEACOM SOFTWARE INSTALLATION 9 HARDWARE INSTALLATION 10 TECHNICAL DESCRIPTION 11 SPECIFICATIONS 12 APPENDIX A TROUBLESHOOTING 13 APPENDIX B HOW TO GET ASSISTANCE 14 APPENDIX C ELECTRICAL INTERFA...

Страница 3: ...ata rates up to 460 8K bps Choose the RS 422 mode for long distance device connections up to 4000ft where noise immunity and high data integrity are essential Select RS 485 and capture data from multi...

Страница 4: ...ions Warning The highest level of importance used to stress a condition where damage could result to the product or the user could suffer serious injury Important The middle level of importance used t...

Страница 5: ...y enables disables the RS 485 interface via on board circuitry RTS enable silk screen RT The RTS mode uses the RTS modem control signal to enable the RS 485 interface and provides backward compatibili...

Страница 6: ...e Examples Switch SW2 Figure 1 Switch SW2 RS 422 Divide by 4 Figure 2 Switch SW2 RS 485 Auto Enabled with No Echo Divide by 4 Figure 3 Switch SW2 RS 485 Auto Enabled with Echo Divide by 4 1 2 3 4 ON O...

Страница 7: ...anced Tab on 95 98 Me 2000 XP Device Manager applet or in the Advanced Ports applet in the NT Control Panel This will allow easy selection of typical baud rates up to the maximum data rate of 460 8Kbp...

Страница 8: ...the receiver inputs Switch SW1 allows customization of this interface to specific requirements Each switch position corresponds to a specific portion of the interface If multiple ULTRA 485 OPTO22 adap...

Страница 9: ...nux Archives Sealevel This link contains valuable information on installing your serial adapter in the various Linux releases Also included is a series of files explaining proper Linux syntax and typi...

Страница 10: ...he blank metal slot cover 4 Gently insert the PCI adapter into the slot Make sure that the adapter is seated properly 5 After the adapter has been installed the cables should be routed thru the openin...

Страница 11: ...RT This chip features programmable baud rates data format interrupt control and industry leading 128 byte FIFOs Connector Assignments RS 422 485 Pin Assignments Signal Name Pin Mode GND Ground 3 RDB R...

Страница 12: ...H Non Condensing Manufacturing All Sealevel Systems Printed Circuit boards are built to U L 94V0 rating and are 100 electrically tested These printed circuit boards are solder mask over bare copper or...

Страница 13: ...urces is to try changing PCI slots This will typically cause the BIOS or OS to reassign the resources 4 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 5 When runnin...

Страница 14: ...ovides an FAQ section on its web site Please refer to this to answer many common questions This section can be found at http www sealevel com faq asp Sealevel Systems maintains a web page on the Inter...

Страница 15: ...ctor RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for party line or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled or Tri...

Страница 16: ...of the character is defined by the transmission of a pre defined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Asynchronous Commu...

Страница 17: ...17 Sealevel Systems Inc 7105 DB9 Manual SL9053 9 2021 Appendix E SILK SCREEN 2 8 4 9...

Страница 18: ...ed to correct the interference at the user s expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73...

Страница 19: ...anty 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 pre...

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