B&B Electronics 3PCIOU4 - Manual - Manual (Page 5)

Document Number 3PCI-0712m Table of Contents iii
Uninstalling the MIport Card .............................................................................. 25
Uninstalling the COM ports ................................................................................. 25
Removing INF and PNF Driver Files .................................................................. 25
CHAPTER 7: RS-232 CONNECTIONS/OPERATION......................................... 28
RS-232 M ODE .......................................................................................................... 28
RS-232 S IGNAL D ESIGNATIONS AND DB-9 P INOUT ................................................. 28
RS-232 Signal Designations................................................................................. 29
DTE AND DCE ......................................................................................................... 29
RS-232 S IGNAL L EVELS ........................................................................................... 29
H ANDSHAKING ......................................................................................................... 30
RTS C ONTROL I N RS-232 M ODE .............................................................................. 30
CHAPTER 8: RS-422/485 CONNECTIONS/OPERATION ................................. 31
RS-422/485 M ODE ................................................................................................... 31
RS-422/485 S IGNAL D ESIGNATIONS AND DB-9 P INOUT .......................................... 31
RS-422/485 Signal Designations ......................................................................... 31
RS-422/485 D IFFERENTIAL S IGNALS ........................................................................ 32
RS-422 O PERATION .................................................................................................. 32
RS-422 Limitations............................................................................................... 33
RS-485 O PERATION .................................................................................................. 33
Send Data Control ............................................................................................... 33
RS-485 T ERMINATION R ESISTORS ............................................................................ 34
RS-485 N ETWORK B IASING ...................................................................................... 34
2-W IRE RS-485 C ONNECTIONS ................................................................................ 36
2-Wire RS-485 Mode: .......................................................................................... 36
4-W IRE RS-422 AND RS-485 C ONNECTIONS ............................................................ 37
RS-422 Point to Point Connection ....................................................................... 37
RS-422 Point to Multipoint Connection ............................................................... 37
4-Wire RS-485 Connection .................................................................................. 38
CHAPTER 9: TROUBLESHOOTING MIPORT CARDS ...................................... 1
S TARTING U P .............................................................................................................. 1
C HECKING C ONNECTIONS ........................................................................................... 1
RS-232/422/485 Operation .................................................................................... 1
RS-232 Operation .................................................................................................. 1
RS-422/485 Operation ........................................................................................... 1
C HECKING THE MI PORT C ARD ................................................................................... 2
APPENDIX A: DIP SWITCH/MODE SETTINGS .................................................. 4
S ETTING THE DIP S WITCHES ON RS-232/422/485 P ORTS ........................................... 4
DIP Switch 1 (RS-232/422/485 ports).................................................................... 4
DIP Switch 2 (RS-232/422/485 ports).................................................................... 4
DIP Switch 3 (RS-232/422/485 ports).................................................................... 5
S ETTING THE DIP S WITCHES ON RS-422/485 O NLY P ORTS ........................................ 5