ABB S800 I/O - Section 2 - Installation; System Prerequisites

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connection to the communication interface module. TB810/TB811 Optical
ModuleBus Port
TB810 is used with TB820 and ABB-Drives equipment with 10 Mbit driver.
TB811 is used with ABB-Drives equipment with 5 Mbit driver.
Figure 1-4 shows the TB810/TB811 installed in the CI810 FCI.
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The TB820 ModuleBus Modem is a fiber optic interface to the ModuleBus.
The ModuleBus Modem has an electrical and an optical interface which are
logically the same bus. A maximum of 12 I/O modules can be connected to the
electrical ModuleBus and up to seven clusters can be connected to the fiber optic
ModuleBus. The fiber optic interface is intended for local distribution of I/O
clusters and where more then 12 I/O modules are required in an I/O Station.
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STN. ADDR.
SB
SA
L-
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L-
SH
+
-
Tx
Rx
SH
+
-
SH
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SERVICE
CI810
0
1
2
9
7
5
3
8
4
6
0
1
2
9
7
5
3
8
4
6
x 10
x 1
AF100
LED Status
Indicators
Tx
Rx
SWX.X/Y
21
TB810/TB811
Optical ModuleBus Port