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DEVICE EXPLANATION
10 - 25
10.2 Internal User Devices
10.2.7 Link relay (B)
(3) Using link relays in the network system
In order to use link relays in the network system, a network parameter setting is
required.
The link relay range where network parameter setting has not been made (not used
by the MELSECNET/H network system, etc.) is available as the internal relays or
latch relays.
• Range where no link relay latch is performed
••Internal relay
• Range where link relay latch is performed
••••••Latch relay
POINT
• Although the number of device points for link relays in the CC-Link IE
controller network module is 32768 points, the default number of points
for link relays in the CPU module is 2048 points (Basic model QCPU) or
8192 points (High Performance model QCPU, Process CPU, Redundant
CPU, and Universal model QCPU).
• Although the number of device points for link relays in the MELSECNET/
H network module is 16384 points, the default number of points for link
relays in the CPU module is 2048 points (Basic model QCPU) or 8192
points (High Performance model QCPU, Process CPU, Redundant CPU,
and Universal model QCPU).
To use link relays exceeding the point described above, change the device point
setting for link relays on the Device tab of PLC parameter in GX Developer.
Remark
Refer to the following manual for the network parameters.
CC-Link IE Controller Network Reference Manual
Q Corresponding MELSECNET/H Network System Reference Manual
(PLC to PLC network)
Q Corresponding MELSECNET/H Network System Reference Manual
(Remote I/O network)
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