Sinec L2Fo Bus Terminal Sf-B/Pf-B; Distance Table For Glass Fiber Optic Cable Technology - Siemens SIMATIC S5 Manual

System Description
The conditions for installing the network are as follows:
• You can connect a maximum of 127 stations (TLN 0 is reserved for a programmer).
• You can connect a maximum of 16 active star couplers between two stations.
Table 1-13 shows the possible distances between to stations calculated on the basis of the values
specified in Figure 1-17 and the condition specified above that a maximum of 16 active star couplers
is allowed between two stations.
Table 1-13. Distance Table for Glass Fiber Optic Cable Technology
Baud Rate in
Kbits/s
1
9.6; 19.2; 1.4 km
93.75; 187.5
500 1.4 km
1500 1.4 km
Installation Techniques

SINEC L2FO Bus Terminal SF-B/PF-B

The SINEC L2FO Bus Terminal SF-B/PF-B converts electrical signals into optical signals for the
L2FO network and vice versa.
You can plug the optical bus terminal directly onto the 9-pin D-type female connector of the S5-95U.
There are two different versions for different fiber optic cable media:
• The SINEC L2FO bus terminal SF-B for glass fiber optic cables
• The SINEC L2FO bus terminal PF-B for plastic fiber optic cables
SINEC L2FO bus terminal SF-B
SINEC L2FO
1-26
Number of Active Star Couplers
2 3
2.8 km 4.2 km
2.8 km 4.2 km 5.6 km 7.0 km 8.4 km -
2.8 km 4.2 km -
Figure 1-19. SINEC L2FO Bus Terminal SF-B/PF-B
4 5 6
5.6 km 7.0 km 8.4 km
- -
SINEC L2FO bus terminal PF-B
S5-95U, SINEC L2
7 16
9.8 km ....... 23.8 km
-
- -
SINEC L2FO
EWA 4NEB 812 6112-02