User`s manual

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MELSEC-Q
1. OVERVIEW
(8) Compatible with multiple PLC system
On SW
D5C-QD75P-E (Version 30D or later), setting the control PLC type and
PLC No. of the QD75 to communicate with in Connection Setup (refer to Section
7.1) allows communication to be made with any QD75.
In Connection Setup, specify the
control PLC type and PLC No. of
the QD75 to communicate with.
PLC
No. 1
QD75QCPU QCPUQCPU QCPU QD75 QD75
123
PLC No. of
control PLC
PLC
No. 2
PLC
No. 3
PLC
No. 4
(Example)
Connection Setup for communication with the QD75 under control of PLC No. 1
PLC type: Type of PLC No. 1, Multiple PLC setting: PLC No. 1
:For details, refer to "QCPU (Q Mode) User's Manual (Function Explanation,
Program Fundamentals)".
• Communication with the QD75 cannot be made if the control PLC type and PLC
No. of the QD75 to communicate with are not set correctly in Connection Setup.
• If correct settings have been made in Connection Setup, any of PLC No. 1 to No. 4
may be specified as the connection target of the connection cable.