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6
Connecting PROFINET and supply
6.1
Connecting PROFINET
Connect PROFINET to the bus coupler via an 8-pos. RJ45
connector.
RJ45
Figure 2
Pin assignment of the Ethernet socket (RJ45)
Only one twisted pair cable with an impedance of 100
be connected to each Ethernet interface in RJ45 format. The
data transmission speed is 100 Mbps. The 100Base-TX port
of the bus coupler is able to detect a pair of incorrectly con-
nected receive cables (RD+/RD-) and to correct them using
the auto polarity correction function.
For the pin assignment, please refer to the following table:
Pin
Assignment
1
TxD + (transmit data +)
2
TxD - (transmit data -)
3
RxD+ (receive data +)
4
Reserved
5
Reserved
6
RxD- (receive data -)
7
Reserved
8
Reserved
Auto crossover
Both Ethernet interfaces are provided with the
auto crossover function.
Shielding
The shielding ground of the connected twist-
ed pair cables is electrically connected with
the socket. When connecting network seg-
ments, avoid ground loops, potential trans-
fers, and voltage equalization currents via the
braided shield.
105731_en_01
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
may
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Observe bending radii
The housing dimensions specified under "Di-
mensions" refer to the bus coupler with I/O
connectors without Ethernet connection.
When installing the bus coupler in a control
box, observe the bending radii of the Ethernet
cables and the connectors used (e.g.,
FL CAT5 FLEX: 30 mm for fixed installation
and FL CAT5 HEAVY: 30 mm without outer
sheath and 45 mm with outer sheath). If re-
quired, use angled RJ45 connectors to main-
tain these bending radii.
6.2
Connecting the supply voltage - terminal point
assignment
a1
b1
a1
b1
a2
b2
a2
b2
Figure 3
Terminal point assignment
Termi-
Color
Assignment
nal
point
Supply voltage input
a1, a2
Red
24 V DC
(U
)
L
b1, b2
Blue
GND
7
Connection example
Ethernet
+ -
24 V DC
(U )
L
Figure 4
Connection of the cables
AXL F BK PN
Supply of the logic voltage
(internally jumpered)
Reference potential of the
supply voltage (internally
jumpered)
BF
RDY
SF
D
E
UL
PHOENIX CONTACT
7
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