Siemens S5-135U/155U - Manual (Page 257)

5-117
System Manual
C79000-G8576-C199-06
Standard cables for connecting the RS422 A/485 submodule in the CPU
to the partner station are available from Siemens in various lengths, up to
1200 m.
The order numbers and lengths can be found in the ordering information.
Connecting cable for CPU, CP 524, CP 544
T(A) R(A)
T(B) R(B)
2
9
4
11
R(A) T(A)
R(B) T(B)
G G
4
11
2
9
8 8
Shield
1 1
Housing, GND Housing, GND
Receiver
Receiver
Transmitter
CPU, CP 524, CP 544
Transmitter
GND GND
CPU, CP 524, CP 544
Figure 5-27 RS422-A/485 Submodule: Connecting Cable for CPU, CP 524, CP 544
Standard
Connecting Cables
for the
RS422-A/485
Submodule
CPUs, Memory Cards, Memory Submodules, Interface Submodules