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