Siemens SIMATIC S5-95F - Page 356

S5-95F on SINEC L1 S5-95F
Subunit B on a Single SINEC L1 Channel
Figure 13-2. Subunit B on a Single SINEC L1 Channel
Subunit B
Subunit A
a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a
SINEC L1 master
a a a a a a a a a a
a a a a a a a a a a
a a a a a a a a a a
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S5-95F
a a a a a a a a a a
a
a a a a a a a a
a
a
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a
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Channel
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BT777
a a a a a a a a a
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a a a a a a a a a
BT777
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.
Figure 13-3. Subunits on a Cable-Redundant, Double SINEC L1 Channel,
Bus Masters in One CC
Subunit B
Subunit A
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a
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a
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SINEC L1 master A and B
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a
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S5-95F
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Channel A
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Channel B
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BT777
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BT777
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BT777
Figure 13-4. Subunits on a Cable-Redundant, Double SINEC L1 Channel, Bus Masters in
Different CCs
Subunit B
Subunit A
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a
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a
a
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a
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SINEC L1 master A
a a a a a a a a a a
a
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a
a
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S5-95F
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a a a a a a a a a a a a a
Channel A
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Channel B
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a
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SINEC L1 master B
13-2 EWA 4NEB 812 6210-02