SeaLevel SeaLINK plus 485I, User Manual

Page 1: ...Part 2104 SeaLIN K 485I U SE R M A N U A L T M M Sealevel Systems Inc Phone 864 843 4343 PO Box 830 Fax 864 843 3067 Liberty SC 29657 USA www sealevel com...

Page 2: ...CE 12 APPENDIX C ELECTRICAL INTERFACE 13 APPENDIX D GROUND LOOP PHENOMENON 14 APPENDIX E ASYNCHRONOUS COMMUNICATIONS 15 APPENDIX F SILK SCREEN 16 APPENDIX G COMPLIANCE NOTICES 17 WARRANTY 18 Figures F...

Page 3: ...external USB port so it does not require opening the computer case Resources such as IRQ s and I O addresses are also not utilized It does require a system that supports USB in hardware and operating...

Page 4: ...allation screens that follow 7 A screen may appear with the declaration The publisher cannot be determined due to the problems below Authenticode signature not found Please select the Yes button and p...

Page 5: ...lation The SeaLINK 485I has an onboard 8 position dip switch that is used to configure the interface Prior to connecting the SeaLINK 485I be sure to configure this dip switch for your specific applica...

Page 6: ...ystems SeaLINK 485I Page 4 Since you have already installed the software by running Setup simply click Next to proceed The drivers that were installed during setup will automatically be used to config...

Page 7: ...k Finish You should see one more New Hardware Found indicating the actual port being created If you view your systems Device Manager at this point you should have a new COM port in the Port COM LPT De...

Page 8: ...assigned COM identifier shown above In this case it is COM5 but this assignment will vary from system to system At this point the hardware is recognized To verify operation use Sealevel Systems suppl...

Page 9: ...position either enables adds or connects based on the function of the switch position listed below Switch SW1 position OFF disables removes or disconnects SW1 Function 1 RS 485 Two Wire Auto Enable D...

Page 10: ...es to configure your adapter ON 1 2 3 4 5 6 7 8 OFF RS 422 Figure 1 RS 422 4 Wire RS 485 Default OFF ON RS 485 1 2 3 4 5 6 7 8 OFF Figure 2 RS 485 2 Wire with Echo ON RS 485 1 2 3 4 5 6 7 8 OFF Figure...

Page 11: ...ng the case No system resources are required i e I O ports or IRQ s LED status indicators for USB Enabled TD and RD Connector Pin Assignments DB25 Male The SeaLINK 485I complies with the EIA 530 pin o...

Page 12: ...sing Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electrically tested These printed circuit boards are solder mask over bare copper or solder mask...

Page 13: ...lit This should allow you to use Sealevel s WinSSD utility and the supplied loopback plug to check communications The supplied loopback plug connects TD to RD If you decide to test the Modem Control S...

Page 14: ...pter settings ready If possible please have the adapter connected in a computer ready to run diagnostic tests 3 Please visit www sealevel com for the latest software updates and manuals 4 Technical su...

Page 15: ...al connector RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for partyline or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled...

Page 16: ...ipment malfunction or even destruction Cabling Recommendations When connecting the SeaLINK 485I in an RS 485 network care should be taken that both ends of the network are not isolated from ground see...

Page 17: ...bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Remain Idle or next start bit Odd Even or Unused STOP P BIT 5 to 8 Data Bits Idle state of line 1...

Page 18: ...Appendix F Silk Screen Appendix F Silk Screen 3 28 in 2 09in 1 39in Sealevel Systems SeaLINK 485I Page 16...

Page 19: ...he user will be required to correct the interference at his own expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low vo...

Page 20: ...not be liable for any claim made by any other related party RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL SYSTEMS BEFORE RETURNED MERCHANDISE WILL BE ACCEPTED AUTHORIZATION CAN BE OBTAINED BY C...