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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
Содержание 3PCIOU1
Страница 53: ...Connector Pinouts Document Number 3PCI 0712m Appendix B B 1 Figure 31 2 Wire RS 485 Wiring...
Страница 54: ......