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2
REPLACING THE CPU MODULE
2.4.4 I/O assignment
I/O assignment is as follows.
Item
Regardless of the number of I/O points on the module,
the number of occupied I/O points of one module is
fixed at 64 points (32 input points for the first half and
I/O assignment
32 output points for the last half).
The number of I/O points on the extension base is also
fixed at 64 points and the head of the I/O numbers on
the extension base starts from X/Y100.
The following shows the I/O assignment when replacing the A0J2 series I/O module with the Q series
I/O module.
(1) Configuring the A0J2 series I/O module number to "0"
A0J2 series I/O module
Number of I/O points
A0J2-E56
A0J2-E28
A0J2-E32
A0J2-E24
A0J2 special
function module
2
- 11
A0J2HCPU
I/O address
(64 fixed points/ module)
32 input
X00 to X1F
points
24 output
Y20 to Y37
points
(Y38 to Y3F are not used.)
16 input
X00 to X0F
points
(X10 to X1F are not used.)
12 output
Y20 to Y2B
points
(Y2C to Y3F are not used.)
32 input
X00 to X1F
points
(Y20 to Y3F are not used.)
Y20 to Y37
24 output
X00 to X1F are not used.
points
Y38 to Y3F are not used.
32
X/Y00 to X/Y1F
I/O points
(X/Y20 to X/Y3F are not used.)
Model name
QCPU
Configure the I/O assignment using the parameters to
ensure that the I/O numbers match before and after
replacement.
Q series I/O module
Number of I/O points
32 input points
(16 input points
2)
×
32 output points
(16 output points
2)
×
16 input points
16 output points
32 input points
(16 input points
2)
×
32 output points
(16 output points
2)
×
16/32 I/O points
I/O address
X00 to X1F
(X00 to X0F, X10 to X1F)
Y20 to Y3F
(Y20 to Y2F, Y30 to Y3F)
X00 to X0F
Y20 to Y2F
X00 to X1F
(X00 to X0F, X10 to X1F)
Y20 to Y3F
(Y20 to Y2F, Y30 to Y3F)
X/Y00 to X/Y0F
or
X/Y00 to X/Y1F
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