Leuze
electronic
Installation
Leuze electronic
BCL 21/22
43
TNT 35/7-24V
Position of the connectors in the MA 4 1xx/MA 4 D 1xx
Figure 6.10: Connector unit MA 4 1xx/MA 4 D 1xx
Wiring description
Terminals 1 to 6 in the MA 4 1xx/MA 4 D 1xx are assigned as described below. For wiring
through, the RS 485 interface at the MA 4 100/MA 4 D 100 is implemented twice:
Table 6.11:
Terminal assignment MA 4 1xx/MA 4 D 1xx
Terminal
Signal
MA 4(D) 100
MA 4(D) 110
MA 4(D) 120
MA 4(D) 130
1
RS 485 A
RXD
TX+
TX+
2
RS 485 A
TXD
TX-
TX-
3
RS 485 B
CTS
RX+
RX+
4
RS 485 B
RTS
RX-
RX-
5
GND 485
–
–
–
6
GND 485
GND
GND
GND
A
B
C
D
E
F
G
H
J
RS485
4
8
5A
1
4
8
5A
2
4
8
5B
3
4
8
5B
4
G
N
D
5
G
N
D
6
RS232
RX
D
1
T
XD
2
C
T
S
3
R
T
S
4
-
5
G
N
D
6
TT
Y
T
X+
1
T
X-
2
RX
+
3
RX
-
4
-
5
G
N
D
6
p a s .
T X
a k t.
pa s.
R X
ak t.
RS422
T
X
+
1
T
X-
2
RX+
3
RX-
4
-
5
G
N
D
6
MA 4x
100
MA 4x
110
MA 4x
120
MA 4x
130
A
Setting of the device address 0-15 or 16-31
F
Service interface
B
Setting of the device address
G
Service/operation switch
C
Interface module
H
Connection BCL
D
Terminal strip
J
Jumper TTY active/passive
(MA 4x 120 … only)
E
Attached label with terminal designation
Содержание BCL 21
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