ii Tableof Contents DocumentationNumber 3PCI2-0903 Manual
B&BElectronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&BElectronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
CHAPTER 6: RS-422/RS-485 CONNECTIONS/OPERATION.....47
RS-422/485 PINOUTS............................................................................ 47
RS-422 & RS-485 DIFFERENTIAL SIGNALS..........................................49
RS-422 OPERATION.............................................................................. 49
RS-485 OPERATION.............................................................................. 50
DTR OPERATION IN RS-485 MODE...................................................... 50
RS-485 NETWORK BIASING.................................................................. 51
CHAPTER 7: TROUBLESHOOTING.............................................53
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