FX1N Series Programmable Controllers Introduction 1.
1-13
1.4.2 Rules of Expansion
The FX1N Series can be expanded by 2 special function blocks or upto 32 points of I/O when
used on its own. It can also be expanded by 4 special function blocks when used in
conjunction with an FX0N extension unit (2+2). An AC powered FX1N can be expanded by 8
special function blocks when used in conjunction with an FX2N extension unit (2+6).
ThemaximumforanFX1N system is 128 points of I/O and 8 special function blocks.
If a DC powered main unit is being used with a power supply of less than 24VDC -15% (20.4V
DC or less) it cannot be expanded by using special function blocks or extension units.
It can however accomodate a maximum additional 32 points of I/O.
Y7COM0 COM1 COM2 Y3 COM3 Y5 Y7 COM4 Y1 Y3 COM5 Y524+
COM Y0Y1Y2 Y4Y6 Y0Y2 Y4Y6
X7X3 X5
N X0 X2 X4 X6L
COM COM X1
POWER
OUT
07654321
IN
01234567
X1
X0 X2
X3
X4
X5 X7
X6
X1
X0 X2
X3
X4
X5 X7
X6
01234567
01234567
01234567
POWER
OUT
4765
3210
RD
SD
POWER
24+ X1 X3 X5 X7
X0 X2 X4 X6
X0
X1
X2 X4 X6
X3 X5 X7
POWER
7
7
0
IN
1
1
2
2
3
3
4
4
5
5
6
60
FX
0N
-16EX
FX
0N
-40ER
FX
0N
-8EYR
FX
0N
-232ADP
X000~X043 X050
~
X057
Y000
~
Y027
X060
~
X067
X070
~
X117
Y030
~
Y047
Y050
~
Y057
POWER
ERROR
IN
OUT
0123
0123
RUN
4567
4567
1716
373534 36
10 11 12 13 14 15 16 17
40 41 42 43
14 1510 11 12 13
272524 2620 21 22 23
30 31 32 33
272624 2520 21 22 23
COM2
Y5
Y6
24+
Y0
Y2
Y1
COM0
COM1
COM3
Y3
Y4
Y17
Y11
COM
X10
X13 X43
X42X12
LN
X0 X2
X1
X3 X5
X4
X7
X6
X11 X15
X14 X16
X21
X20
X23 X25
X24
Y7
Y10
Y27
Y12
Y14
COM7
COM4
X27
X26
X31
X30
X33
X32
X35
X34
X37
X36
X41
X40
Y16
Y15
Y20
Y22
Y21
Y24
Y26
COM6
X17
FX
1N
-60MR
COM
Y13 COM5
Y23 Y25
X22
FX
0N
-232ADP FX
1N
-60MR-ES/UL FX
0N
-16EX-ES/UL
FX
0N
-40ER-ES/UL
FX
0N
-8EYR-ES/UL
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