ABB S800 I/O - Page 46

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The optical ModuleBus Extension fiber optic (plastic fiber) cable comes in three
standard lengths:
• 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.)
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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turn the I/O Module Lock/Switch counter-clockwise from the unlocked position.
This will cause it to break and will make the MTU and the I/O module inoperative.
A
B
C
D
E
F
A
B
C
D
E
F
I/O Module
Key #1
A
B
C
D
E
F
A
B
C
D
E
F
6
7
8
9
10
11
12
13
14
15
16
F
R
W
1
2
3
4
5
24V
DI810
I/O Module Lock/Switch
(shown unlocked)
I/O Module Lock/Switch
(shown locked)
I/O Module
Key #2
Turn clockwise
to lock I/O Module