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MELSEC-Q
1 OVERVIEW
3) It is possible to access the Control CPU / Non Control CPU from the
QD51 (-R24) by a BASIC program.
Non-Control CPU
Control CPU
QD51(-R24)
03FF
H
03E0
H
to 03E3
H
Device Memory, etc.
Data
BASIC Program
(Read/Write)
Device Memory, etc.
Data
The access destination
QCPU is specified by the
requesting module's I/O No.
If accessing another station by a BASIC program, even if the relay
station or the access station is a multiple CPU system, the Control
CPU and Non Control CPU of the access station can be accessed.
(Example)
MELSECNET/ H
Setting from GX Developer.
Peripheral
Device
MELSECNET/ H
Whether the control CPU of the relay module is the same or different,
it is possible to access the other station.
Relay Module: MELSECNET/ H Network Module
1) : QCPU No. 1
2) : QCPU No. 2
3) : QCPU No. 3
4) : QCPU No. 4
: Relay module controlled
by QCPU No. 1.
: QD51 (-R24) controlled
by QCPU No. 1.
: Relay module controlled
by QCPU No. 2.
1
2
1'
Source Station
1
2
1'
2)
1)
3) 4)
Relay Station
2
2
2)
1)
3) 4)
Access Station
2
2)
1)
3) 4)
The relay module's object during other station access is as follows.
• MELSECNET/H, MELSECNET/10 Network Module
• Q Series C24
• Ethernet Interface Module
If a Function Version A module is included in the relay modules, only
the control CPU can be accessed.
Содержание QD51
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