Connecting Cable For Point-To-Point Communication - Siemens S5-155U System Manual

Interface Submodule
Connecting cable for
point-to-point
communication
CPU 928B
Receiver
+ 24 V
Transmitter
Housing, GND
Figure 5-26 SINEC L1 Submodule: Connecting Cable for Point-to-Point Communication via
the SINEC L1 Submodule
5 - 94
If the CPU 928B communicates as master in a point-to-point link with
a slave, a connecting cable can be used instead of the bus terminal.
Shown in the following figure is connecting cable for point-to-point
communication from the SINEC L1 submodule in the CPU to a
partner.
Connecting cable: CPU - partner (point-to-point communication)
+ RxD - TxD
9
2 - RxD + TxD
M + 20 mA
15
+20mA
11
6
+ TxD - RxD
7 - TxD + RxD
Shield
1
e.g. CPU 928B, 941...945
CPU 102, 103, S5-90U/95U
7
Transmitter
6
11
+ 24 V
M
15
2
Receiver
9
1
Housing, GND
C79000-B8576-C199-03
System Manual