FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
162
8 Installation In Enclosure
8.7 Connecting Methods for Main Unit and Extension Devices
8.7.3
Connecting method B - connection of special adapter
When an expansion board is used, connect the board as stated in the previous subsection before connecting
the special adapter.
When a high-speed input/output special adapter is used, fit the adapter before connecting other special
adapters.
1
Remove the special adapter connector cover (A
in the right figure) from the expansion board.
• When fitting a high-speed input/output special adapter, also
remove the high-speed input/output special adapter connector
cover (C in the right figure).
• When adding a special adapter to the special adapter that has
been connected to the expansion board, read "expansion board"
as "special adapter."
2
Slide the special adapter connecting hooks (B in
the right figure) of the main unit.
• When adding a special adapter to the special adapter that has been connected to the main unit, read "main
unit" as "special adapter." (This applies to the following steps.)
3
Connect the special adapter (C in
the right figure) to the main unit as
shown in the right figure.
4
Slide the special adapter connecting
hooks (B in the right figure) of the
main unit to secure the special
adapter (C in the right figure).
8.7.4
Connecting method C - connection of powered extension unit/block to main unit
The procedures for connecting an powered extension unit/block to the main unit are explained below.
1
Remove the extension device connector cover
(A in the right figure) on the right side of the
main unit.
2
Connect the extension cable (B in the right fig-
ure) from the extension block to be connected
(right side) to the extension device connector
of the main unit.
• When connecting FX
2N
Series input/output powered extension
unit, FX
2N
-10GM, FX
2N
-20GM, FX
2N
-1RM(-E)-SET or FX
3U
-
1PSU-5V, connect the unit to be added (right side) and the
existing unit (main unit) with the supplied extension cable.
3
Fit the extension device connector cover (A in the right figure).
RUN
STOP
FX
3U-48MR/ES
-48MR/ES
FX3U
3U-48M
ERROR
RUN
BATT
POWER
0
3
1
2
IN
6
4
5
21
7
20
24
22
23
26
25
10
11
13
12
16
14
15
17
27
OUT
0
3
1
2
6
4
5
21
7
20
24
22
23
26
25
10
11
13
12
16
14
15
17
27
FX
3U-48M
2
2
B
A
B
1
C
C
B
3
3
3
4
4
B
A
3
1
B
Summary of Contents for FX2-16E series
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Page 8: ... 6 Safety Precautions Read these precautions before use MEMO ...
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