8 Installation In Enclosure
8.6 Connecting Methods for Main Unit and Extension Devices
120
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
8.6.6
Connecting method E - connection of powered extension units/blocks
This subsection explains the procedures for connecting FX
2N
Series input/output powered extension units/
blocks or FX
2N
/FX
3U
Series special function blocks.
1
Remove the top cover (B in the right figure)
of the existing unit/block (left side) (A in the
right figure).
• When connecting FX
3U
-1PSU-5V, remove the top cover of
FX
3U
-1PSU-5V.
2
Connect the extension cable (C in the above figure) of the block to be con-
nected (right side) to the existing unit/block (A in the above figure).
• When FX
2N
Series input/output powered extension units or FX
3U
-1PSU-5V units are connected, connect
the unit to be added (right side) and the existing unit (left side) with the supplied extension cable.
3
Fit the top cover (B in the above figure)
8.6.7
Connecting method F - connection of extension cable and FX
2N
-CNV-BC
This subsection explains the procedures for connecting an extension cable and FX
2N
-CNV-BC to the
extension cable of the powered extension unit/block.
1
Separate the case of FX
2N
-CNV-BC into two
pairs as shown right.
To separate the case, use a precision flathead screw-
driver.
Slightly insert the tip of the screwdriver into the part A
shown in the right figure, and the hook (B in the right fig-
ure) will come off (4 places).
2
Connect the extension cable on the
upstream side (C in the right figure).
3
Connect the extension cable on the down-
stream side (D in the right figure).
4
Fit the upper cover (E in the right figure)
and the lower cover (F in the right figure),
and press down the upper cover until it is
hooked.
A
B
C
1
3
1
1
A
A
A
A
B
C
D
E
F
2
3
4
4
FX
0N
-30EC
FX
0N
-65EC
