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Anywire Db A20 - Mitsubishi Electric MELSEC-I/OLINK Handbook

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5
PROGRAMS COMPARISONS

5.1.2 AnyWire DB A20

Details on the addresses when replacing the I/OLINK are explained by using the module configuration
example described in Section 5.1.1.
Point
I/O information of the AnyWire DB A20 are stored in the buffer memory. The device that data are read
from and written to the buffer memory by the FROM/TO instruction will be assigned to the remote station
module address in the program. The program that controls input and output of the I/OLINK remote
station must be changed.
[System configuration example]
In this example, settings are made to match the addresses of the existing I/OLINK. Since the number of
occupied points differ between the existing module and the replacement module, their addresses cannot
be assigned in the same way. The addresses in this replacement module is example. They can be
assigned as desired according to the system configuration.
X0
X1F
CPU
QX41
Buffer memory address:
100
(bit 0 to bit 3)
H
Switch setting: 0
A20SB-04U
(input module)
Buffer memory address:
102
(bit 0 to bit 3)
H
Switch setting: 32
A20SB-08UD
(input module)
5
- 3
X20
X40
Y60
Y80
YA0
X3F
X5F
Y7F
Y9F
YBF
QY41P
QX41
QY41P
QY41P
QY41P
Buffer memory address:
1100
(bit 4 to bit 11)
H
Switch setting: 4
A20PB-08U
(output module)
X/YC0
X/YDF
QJ51
AW12D2
Input:
Buffer memory address: 101
Switch setting: 16
Output:
Buffer memory address: 1101
Switch setting: 16
A20XB-16UD
(I/O module)
Input:
Buffer memory address: 101
Switch setting: 24
Output:
Buffer memory address: 1101
Switch setting: 24
A20XB-16UD
(I/O module)
(bit 0 to bit 7)
H
(bit 0 to bit 7)
H
(bit 8 to bit 15)
H
(bit 8 to bit 15)
H

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