Electrical connection
7
8
BCL
3
0
8
i
Le
u
ze electronic
7.3.4
BU
S
OUT for the BCL 308
i
To
s
et
u
p
a
n Ethernet network with other p
a
rticip
a
nt
s
with line
a
r topology, the BCL
3
0
8
i
m
a
ke
s
a
v
a
il
ab
le
a
nother Ethernet interf
a
ce. The
us
e of thi
s
interf
a
ce dr
as
tic
a
lly red
u
ce
s
the
c
ab
ling req
u
irement
s
,
as
only the fir
s
t BCL
3
0
8
i
req
u
ire
s
a
direct connection to the
s
witch,
vi
a
which it c
a
n comm
u
nic
a
te with the ho
s
t. All other BCL
3
0
8
i
a
re connected in
s
erie
s
to
the fir
s
t BCL
3
0
8
i
,
s
ee fig
u
re 7.5.
For the connection of two BCL 308
i
, the "KB ET - … - SSA" ready-made cables are pre-
ferred, see table 13.9 "Bus connection cables for the BCL 308i" on page 141.
If yo
u
us
e
us
er-config
u
r
ab
le c
ab
le
s
, note the following:
Notice!
Ensure adequate shielding. The entire connection cable must be shielded and earthed. The
signal lines must be stranded in pairs.
Use CAT 5 cable for the connection.
Notice!
For the BCL 308
i
as standalone device or as the last participant in a linear topology,
termination on the BUS OUT socket is not mandatory!
BUS OUT Ethernet_1 (4-pin socket, D-coded)
Pin
(M12)
Name
(terminal)
Remark
1
TD1+
Transmit Data +
2
RD1+
Receive Data +
3
TD1-
Transmit Data -
4
RD1-
Receive Data -
FE via
thread
FE via
screw fitting
Functional earth (housing)
T
ab
le 7.4:
Pin
ass
ignment BU
S
OUTBCL
3
0
8
i
BUS OUT
TD1+ 1
2
3
4
RD1+
RD1-
TD1-
M12
s
ocket
(D-coded)
M
S
308
TD1+
n.c.
RD1–
RD1+
TD1–
S
prin
g
-loaded terminal
s
MK 308
