Siemens SIMATIC S5 Manual page 47

S5-95U, SINEC L2
SINEC L2 Bus Connector
in the Bus Segment
Stripping the bus cable
approx. 6 mm
approx. 12 mm (1/2 in.)
Cable
shielding
Mounting the bus cable onto
the SINEC L2 bus connector
Switch position "OFF"
(=terminator not connected)
A B A B
Figure 2-3. Cutting the Bus Cable, Stripping the Insulation, and Connecting the
390 220 390
X1 X1
A B
Figure 2-4. Circuit diagram of the SINEC L2 Bus Connector
EWA 4NEB 812 6112-02
(1/4 in.)
approx. 12 mm
(1/2 in.)
Bare shielding must contact
the metal guide.
SINEC L2 Bus Connector
M 5V2 (data reference potential)
P 5V2 (supply voltage +)
RXD/TXD (B)
RXD/TXD (A)
A B
SINEC L2 Bus Connector
at the Begining or End of a Segment
Stripping the bus cable
approx. 6 mm (1/4 in.)
approx. 12 mm (1/2 in.)
Cable
shielding
Mounting the bus cable onto
the SINEC L2 bus connector
Switch position "ON"
(terminator connected)
A B A B
Bare shielding must
contact the metal guide.
9-pin submin. D connector
(pin assignment: see Figure 3-3,
chap. 3.1)
Installation Guidelines
approx. 12 mm
(1/2 in.)
2-3