User Guide

ii Table of Contents Documentation Number 3PCIO1-0903 Manual
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax [phone]
B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph [phone] – Fax [phone]
CHAPTER 6: RS-422/RS-485 CONNECTIONS/OPERATION.....45
RS-422/485 P
INOUTS ............................................................................ 45
RS-422 & RS-485 D
IFFERENTIAL SIGNALS..........................................47
RS-422 O
PERATION .............................................................................. 47
RS-485 O
PERATION .............................................................................. 48
DTR O
PERATION IN RS-485 MODE ......................................................48
RS-485 N
ETWORK BIASING ..................................................................49
CHAPTER 7: TROUBLESHOOTING.............................................51
APPENDIX A: JUMPER/MODE TABLES...................................A-1
APPENDIX B: CONNECTOR PINOUTS......................................B-1
APPENDIX C: TROUBLESHOOTING WITH COMTEST.........C-1
APPENDIX D: DECLARATION OF CONFORMITY .................D-1