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

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