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Input/output Combined Module Connections - Mitsubishi Electric MELSEC A Series User Manual

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5.3.2 Input/output combined module connections

Model
Rated Input Voltage
(1)
A42XY
12/24 VDC
Error!
X38
X30
X39
X31
X3A
X32
X3B
X33
X3C
X34
X3D
X35
X3E
X36
X3F
X37
* If there will be cases when two or more switches
are pressed simultaneously, install a diode at each
switch (see right)
Pin No.
Input terminals
X28
X20
X18
X10
X08
X00
1A
XD0
X29
X21
X19
X11
X09
X01
1B
XD1
X2A
X22
X1A
X12
X0A
X02
2A
XD2
X2B
X23
X1B
X13
X0B
X03
2B
XD3
X2C
X24
X1C
X14
X0C
X04
3A
XD4
X2D
X25
X1D
X15
X0D
X05
3B
XD5
X2E
X26
X1E
X16
X0E
X06
4A
XD6
X2F
X27
X1F
X17
X0F
X07
4B
XD7
5A
XSCN0
5B
XSCN1
6A
XSCN2
6B
XSCN3
7A
XSCN4
7B
XSCN5
8A
XSCN6
8B
XSCN7
12/24 VDC
12/24 VDC
12/24 GDC
Rated Load Voltage
12/24 VDC
R R
Internal
control
circuit
R
Internal
control
Internal
circuit
scan at
1/8th duty
80
Pin Arrangement
1A
1B
2A
2B
3A
3B
4A
4B
5A
5B
6A
6B
7A
7B
8A
8B
Seen from front face
of the module
Pin
Signal
Pin
Signal
No.
Name
No.
Name
1A
XD0
1B
XD1
2A
XD2
2B
XD3
3A
XD4
3B
XD5
4A
XD6
4B
XD7
5A
XSCN0
5B
XSCN1
6A
XSCN2
6B
XSCN3
7A
XSCN4
7B
XSCN5
8A
XSCN6
8B
XSCN7

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