ABB S800 I/O User Manual page 46

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The optical ModuleBus Extension fiber optic (plastic fiber) cable comes in three
standard lengths:
•
•
•
As with the FCI (base cluster), the electrical ModuleBus length must not exceed 2.5
meters from the ModuleBus Modem to the last MTU of each cluster. Each cluster
requires a TB807 ModuleBus Terminator plugged into the last MTU.
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Connection of the I/O module to the MTU is made by setting the I/O Module Keys
#1 and #2 to the correct setting, place the I/O Module Lock/Switch to the unlock
position and then push the I/O module straight onto the MTU. The I/O module is
locked and electrically connected to the MTU by the I/O Module Lock/Switch.
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Do
This will cause it to break and will make the MTU and the I/O module inoperative.
36
TK811V015 (duplex), TK812V015 (simplex) - 1.5 meters (5 ft.)
TK811V050 (duplex), TK812V050 (simplex) - 5 meters (16 ft.)
TK811V150 (duplex), TK812V150 (simplex) - 15 meters (49 ft.)
F
R
W
1
2
3
4
5
6
7
8
9
10
A
11
12
13
14
A
15
16
DI810
24V
turn the I/O Module Lock/Switch counter-clockwise from the unlocked position.
I/O Module Lock/Switch
(shown locked)
I/O Module Lock/Switch
(shown unlocked)
Turn clockwise
to lock I/O Module
A
I/O Module
Key #1
A
I/O Module
Key #2
3BSE 020 923R101