Impulse 1105 - Manual (Page 2)

Contents
INTRODUCTION .....................................................................................................................................................1
O VERVIEW ................................................................................................................................................................1
W HAT ’ S I NCLUDED ...................................................................................................................................................1
F ACTORY D EFAULT S ETTINGS ..................................................................................................................................1
CARD SETUP............................................................................................................................................................2
RS-485 E NABLE M ODES ..........................................................................................................................................2
L INE T ERMINATION AND R ECEIVER E CHO O FF /O N ...................................................................................................4
Electrical Interface Examples (DIP switch SW2) ................................................................................................5
OPERATING SYSTEM INSTALLATION (FOR WINDOWS USERS) .............................................................6
RS-422/RS-485 F OUR W IRE M ASTER /RS-485 T WO W IRE A UTO M ODE I NSTALLATION ..........................................6
RS-485 T WO -W IRE AND RS-485 F OUR -W IRE S LAVE I NSTALLATION .......................................................................6
O THER O PERATING S YSTEMS ...................................................................................................................................8
P HYSICAL I NSTALLATION ..........................................................................................................................................8
TECHNICAL DESCRIPTION.................................................................................................................................9
C ONNECTOR P IN A SSIGNMENTS ...............................................................................................................................9
Power/RS-232 Pin Assignments (6 Position Screw Terminal) ............................................................................9
RS-422/485 Pin Assignments (6 Position Screw Terminal).................................................................................9
SPECIFICATIONS .................................................................................................................................................10
E NVIRONMENTAL S PECIFICATIONS .........................................................................................................................10
M ANUFACTURING ...................................................................................................................................................10
P HYSICAL D IMENSIONS ..........................................................................................................................................10
APPENDIX A - TROUBLESHOOTING ..............................................................................................................11
APPENDIX B - HOW TO GET ASSISTANCE....................................................................................................12
APPENDIX C - ELECTRICAL INTERFACE .....................................................................................................13
RS-232...................................................................................................................................................................13
RS-422...................................................................................................................................................................13
RS-485...................................................................................................................................................................13
APPENDIX D - ASYNCHRONOUS COMMUNICATIONS..............................................................................14
APPENDIX E - GROUND LOOP PHENOMENON ...........................................................................................15
W HAT IS G ROUND L OOP ? .......................................................................................................................................15
C ABLING R ECOMMENDATIONS ...............................................................................................................................15
APPENDIX F - SILK-SCREEN .............................................................................................................................16
APPENDIX G - COMPLIANCE NOTICES.........................................................................................................17
F EDERAL C OMMUNICATIONS C OMMISSION S TATEMENT ........................................................................................17
EMC D IRECTIVE S TATEMENT ................................................................................................................................17
WARRANTY ...........................................................................................................................................................18
©Sealevel Systems, Inc.
SL9138 Revision 7/2006
Sealevel Systems, Incorporated. All rights reserved.