B&B Electronics VLINX WIRELESS SERIAL SERVER Benutzerhandbuch
RS-232/422/485
Connections
Documentation Number: ESR90xW-4905m
Appendix B
31
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
A
A
p
p
p
p
e
e
n
n
d
d
i
i
x
x
B
B
:
:
R
R
S
S
-
-
2
2
3
3
2
2
/
/
4
4
2
2
2
2
/
/
4
4
8
8
5
5
C
C
o
o
n
n
n
n
e
e
c
c
t
t
i
i
o
o
n
n
s
s
DB-9 Pin-outs for RS-232 and RS-232/422/485
Connections
Connections
DB-9M
Pin
RS-232
Signal Name
RS-232 DTE RS-422
RS-485
1 Carrier
Detect
DCD
In
TXDA(-)
2 Receive
Data
RXD
In
TXDB(+)
3
Transmit Data
TXD
Out
RXDB(+)
DATA B(+)
4
Data Terminal Ready
DTR
Out
RXDA(-)
DATA A(-)
5 Signal
Ground
GND
---
GND
GND
6
Data Set Ready
DSR
In
7
Request To Send
RTS
Out
8
Clear To Send
CTS
In
9 Ring
Indicator RI
In
Figure 19. DB-9 Pin-outs for RS-232/422/485
RS-232/422/485
Connections
32
Appendix B
Documentation Number: ESR90xW-4905m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
Terminal Block Pin-out for RS-422 and RS-485
(Vlinx ESR901W485 only)
1
2
3
4
5
GN
D
TX
DA
(-)
TX
DB
(+)
RX
DB
(+)
/D
ata
(+)
RX
DA
(-)/D
ata
(-)
Terminal 22
RS-422
Signal Name
RS-485
RS-485
Signal Name
1
(+)
Transmit Data (+)
--
--
2
A(-)
Transmit Data (-)
--
--
3
(+)
Receive Data (+)
Data(+)
Data(+)
4
A(-)
Receive Data (-)
Data(-)
Data(-)
5
D Signal
Ground
GND
Ground
Figure 20. Terminal Block Pin-out for Vlinx ESR901W485 Serial
Connection