Electrical connection
9
4
BCL
3
00
i
\ BCL
3
01
i
Le
u
ze electronic
7.4.5
BU
S
OUT for the BCL 301
i
The R
S
4
8
5 interf
a
ce on the BCL
3
01
i
i
s
looped thro
u
gh to the
s
ocket or the BU
S
OUT
termin
a
l
s
to config
u
re the Le
u
ze m
u
ltiNet pl
us
network with
a
ddition
a
l p
a
rticip
a
nt
s
.
Notice!
Ensure adequate shielding. The entire connection cable must be shielded and earthed. The
signal lines must be stranded in pairs.
Termination of the RS 485 interface on the slave
On the l
as
t network device, the Le
u
ze m
u
ltiNet pl
us
network (R
S
4
8
5 interf
a
ce) m
us
t
b
e
termin
a
ted vi
a
a
termin
a
ting re
s
i
s
tor network (
S
ee ch
a
pter 1
3
"Type overview
a
nd
a
cce
ss
o-
rie
s
") on the BU
S
OUT
s
ocket or vi
a
the
a
ctiv
a
tion of the termin
a
tion vi
a
a
s
lide
s
witch in the
MK
3
01 or the MA 100.
Notice!
The bus front on the bus master (MA 31 or BCL 500
i
) is automatically terminated.
BUS OUT RS 485 (5-pin socket, B-coded)
Pin
(M12)
Name
(terminal)
Remark
1
VCC485
+5 V DC for bus termination
2
RS485 B
RS 485 B - signal line
3
GND485
Reference ground RS 485 - potential equalization
4
RS485 A
RS 485 A - signal line
5
FE
Functional earth / shield
FE via
thread
FE via
screw fitting
Functional earth (housing)
T
ab
le 7.5:
Pin
ass
ignment BU
S
OUTBCL
3
01
i
BUS OUT
VCC485 1
2
3
4
RS485B
RS485A
GND485
FE
5
M12
s
ocket
(B-coded)
M
S
301
RS485 A
n.c.
n.c.
GND485
RS485 B
S
prin
g
-loaded terminal
s
MK 301
