S M10 0 0, S M 20 0 0 A N D S M3 0 0 0
| I/O M O D U L E B OA R D I N S TA L L AT I O N | I N F01 /49 R E V. E
3
4 Referring to Figure 3, 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.
If replacing an existing I/O module board, note its position
and withdraw it from the chassis
(Analog I/O module board in position A shown)
A
B
C
D
Relay, transmitter PSU
or hybrid module board
Relay, transmitter PSU, hybrid
or ethernet module board
Determine the correct position for the
new I/O module board.
Replacement boards
must be fitted
in the same position as the original
1
2
3
When fitting a new or existing module board, ensure
that the lugs locate correctly into the slots on the
motherboard
Repeat the removal/refitting process for additional
module boards as required
4
3
Analog input or high-specification
analog input module board
Analog input or high-specification
analog input module board
Figure 3 Fitting additional or replacement I/O module boards
5 Referring to Figure 4, remove the recorder case blanking
plate (if fitted).
Using a small pair of pliers,
lever up the two plastic
retaining rivets at each new
board position required
Remove blanking plate and discard
1
2
Figure 4 Removing the recorder case blanking plate (if fitted)
