6
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
…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
2
…and remove
PCB locking bar
When fitting a new or existing
module board, ensure that the lugs
locate correctly into the slots on the
motherboard
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
3
A
Analog input or high-specification
analog input module board
B
C
D
E
F
G
Relay, hybrid, transmitter PSU or
RS485 module board
Relay, hybrid or transmitter PSU
module board
H
Determine the correct position for
the new I/O module board.
Replacement boards
must be fitted
in the same position as the original
4
Repeat the removal/refitting
process for additional module
boards, as required.
5
Reverse steps
1
and
2
above and refit PCB locking
bar
6
Analog input, high-specification analog
input, relay or hybrid module board
Figure 8 Fitting additional or replacement I/O module boards
