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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
4 Devices in Detail
4.2 I/O Relays [X, Y]
1
Introduction
2
Overview
3
Instruction
List
4
Devices
in Detail
5
Specified the
Device &
Constant
6
Before
Programming
7
Basic
Instruction
8
FNC00-FNC09
Program Flow
9
FNC10-FNC19
Move & Compare
10
FNC20-FNC29
Arith. & Logic
Operation
4.2 I/O Relays [X, Y]
Some input relays and output relays are secured in the main unit, and others are assigned to extension devices
according to the connection order. Because I/O replays are numbered in octal, numeric values such as "8" and "9" do
not exist.
4.2.1 Numbers of I/O relays
The table below shows input relay (X) and output relays (Y) numbering (Relay numbers are assigned in octal.
)
*1. A number inside ( ) indicates the number of occupied points. The difference from the number of valid points is
unused.
FX3S
PLC
Model
name
FX3S-10M FX3S-14M FX3S-20M FX3S-30M
30
points in
total
Input
X000 to X005
6 points
X000 to X007
8 points
X000 to X013
12 points
X000 to X017
16 points
Output
Y000 to Y003
4 points
Y000 to Y005
6 points
Y000 to Y007
8 points
Y000 to Y015
14 points
FX3G
PLC
Model
name
FX
3G-14M FX3G-24M FX3G-40M FX3G-60M When extended
128
points in
total
Input
X000 to X007
8 points
X000 to X015
14 points(16)
*1
X000 to X027
24 points
X000 to X043
36 points(40)
*1
X000 to X177
128 points
Output
Y000 to Y005
6 points(8)
*1
Y000 to Y011
10 points(16)
*1
Y000 to Y017
16 points
Y000 to Y027
24 points
Y000 to Y177
128 points
FX3GC
PLC
Model
name
FX3GC-32MT/
D(SS)
When extended
128
points in
total
Input
X000 to X017
16 points
X000 to X177
128 points
Output
Y000 to Y017
16 points
Y000 to Y177
128 points
FX3U
PLC
Model
name
FX3U-16M FX3U-32M FX3U-48M FX3U-64M FX3U-80M FX3U-128M
When
extended
256
points in
total
Input
X000 to X007
8 points
X000 to X017
16 points
X000 to X027
24 points
X000 to X037
32 points
X000 to X047
40 points
X000 to X077
64 points
X000 to X367
248 points
Output
Y000 to Y007
8 points
Y000 to Y017
16 points
Y000 to Y027
24 points
Y000 to Y037
32 points
Y000 to Y047
40 points
Y000 to Y077
64 points
Y000 to Y367
248 points
FX3UC (D, DS, DSS) PLC
Model
name
FX3UC-16M FX3UC-32M FX3UC-64M FX3UC-96M
When
extended
256
points
in total
Input
X000 to X007
8 points
X000 to X017
16 points
X000 to X037
32 points
X000 to X057
48 points
X000 to X367
248 points
Output
Y000 to Y007
8 points
Y000 to Y017
16 points
Y000 to Y037
32 points
Y000 to Y057
48 points
Y000 to Y367
248 points
FX3UC-32MT-LT(-2) PLC
Model
name
FX3UC-32MT-LT
(-2)
When extended
256
points in
total
Input
X000 to X017
16 points
X000 to X357
240 points
Output
Y000 to Y017
16 points
Y000 to Y357
240 points