I/O Relays [X, Y]; Numbers Of I/O Relays - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
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.)
FX (D, DS, DSS) PLC
3UC
FX -32MT-LT(-2) PLC
3UC
Model
name
FX
3U
Input
PLC
Output
Model
name
FX
3G
Input
PLC
Output
*1. A number inside ( ) indicates the number of occupied points. The difference from the number of valid points is
unused.
86
Model
FX -16M
3UC
name
X000 to X007
Input
8 points
Y000 to Y007
Output
8 points
Model FX -32MT-LT
3UC
name (-2)
X000 to X017
Input
16 points
Y000 to Y017
Output
16 points
FX -16M FX -32M
3U 3U
X000 to X007 X000 to X017 X000 to X027
8 points 16 points
Y000 to Y007 Y000 to Y017 Y000 to Y027
8 points 16 points
FX -14M FX -24M
3G 3G
X000 to X015
X000 to X007
8 points
14 points(16)
Y000 to Y005 Y000 to Y011
*1
6 points(8) 10 points(16)
FX -32M FX -64M
3UC 3UC
X000 to X017 X000 to X037
16 points 32 points
Y000 to Y017 Y000 to Y037
16 points 32 points
When extended
256
X000 to X357
points in
240 points
total
Y000 to Y357
240 points
FX -48M FX -64M FX
3U 3U
X000 to X037 X000 to X047
24 points 32 points
Y000 to Y037 Y000 to Y047
24 points 32 points
FX -40M FX
3G 3G
X000 to X043
X000 to X027
*1
24 points
36 points(40)
Y000 to Y017 Y000 to Y027
*1
16 points 24 points
4.2 I/O Relays [X, Y]
When
FX -96M
3UC
extended
X000 to X057 X000 to X367
48 points 248 points
Y000 to Y057 Y000 to Y367
48 points 248 points
-80M FX -128M
3U 3U
extended
X000 to X077 X000 to X367
40 points 64 points 248 points
Y000 to Y077 Y000 to Y367
40 points 64 points 248 points
-60M When extended
X000 to X177
points in
*1
128 points
Y000 to Y177
128 points
4 Devices in Detail
256
points
in total
When
256
points in
total
128
total