ABB SM1000 Installation Instructions Manual page 6

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...4 I/O module board installation (SM3000)
3 Referring to Figure 8, remove the existing I/O module board
(if fitted) and fit the new I/O module board.
CAUTION
For the recorder to function correctly, it is important to
ensure that the I/O module boards are fitted in the
correct positions.
1
Remove PCB
locking bar
securing screws
(one each side)...
3
If replacing an existing
I/O module board, note its
position and withdraw it
from chassis (analog I/O
module boards in
positions A and F, relay
module board in position
G and transmitter PSU in
position H shown
Figure 8 Fitting additional or replacement I/O module boards
When fitting a new or existing
3
module board, ensure that the lugs
locate correctly into the slots on the
motherboard
Determine the correct position for
4
the new I/O module board.
Replacement boards must be fitted
in the same position as the original
Repeat the removal/refitting
5
process for additional module
boards, as required.
6
Reverse steps and
1 2
above and refit PCB locking
bar
2
...and remove
PCB locking bar
A B C D E F G H