Siemens SIMATIC S5-95F Manual page 356

S5-95F on SINEC L1
Subunit B on a Single SINEC L1 Channel
SINEC L1 master
BT777
Figure 13-2. Subunit B on a Single SINEC L1 Channel
Both Subunits on a Cable-Redundant, Double SINEC L1 Channel
When a cable-redundant, double SINEC L1 channel is used, the configurations shown in
Figures 13-3 and 13-4 can
• Send and receive on both channels, thus enabling high-availability interchange
• Send data on one channel and receive data on the other
• Distribute data traffic between the two channels as needed for maximum expediency.
SINEC L1 master A and B
BT777
BT777
Figure 13-3. Subunits on a Cable-Redundant, Double SINEC L1 Channel,
SINEC L1 master A
BT777
Figure 13-4. Subunits on a Cable-Redundant, Double SINEC L1 Channel, Bus Masters in
13-2
Bus Masters in One CC
SINEC L1 master B
BT777
Different CCs
S5-95F
Subunit B
Subunit A
BT777
S5-95F
Subunit B
Subunit A
BT777
BT777
S5-95F
Subunit B
Subunit A
BT777
BT777
S5-95F
Channel
Channel A
Channel B
Channel A
Channel B
EWA 4NEB 812 6210-02