Leuze electronic
Connector Unit MA 30 / MA 31
15
Leuze
electronic
Connection
3.1.2
RS 232 interface:
RS 232
Figure 3.2: Connection of the MA 30/31 to an RS 232 host computer
Notice!
The wiring for RTS and CTS must only be connected if RTS/CTS hardware
handshake is used.
3.1.3
TTY interface:
a) MA 30/31 active/host passive:
TTY active
Figure 3.3: Active connection of the MA 30/31 to a TTY host computer
b) MA 30/31 passive/host active:
TTY passive
Figure 3.4: Passive connection of the MA 30/31 to a TTY host computer
12
3
4
5
6
RS232
R X D 1
T
X D 2
C TS 3
R TS 4
- 5
G N D 6
RXD
TXD
C
T
S
RT S
GND
Host
Shield
Host interface module
up to 10m
12
3
4
5
6
TTY
TX + 1
TX - 2
R X + 3
R X - 4
- 5
G ND 6
pa
s
.
TX
ak
t.
pa
s
.
RX
ak
t.
+20mA
R x+
R x-
G N D
+20mA
T x+
T x-
G N D
Host
Shield
Host interface module
up to 1000m
Jumper position
active
12
3
4
5
6
TTY
TX+ 1
TX- 2
RX+ 3
RX- 4
- 5
G N D 6
pa
s
.
TX
ak
t.
pas
.
RX
ak
t.
+20mA
R x+
R x-
G N D
+20mA
T x+
T x -
G
N D
Host
Shield
Host interface module
up to 1000m
Jumper
Jumper
Jumper position
passive