Valid Module During Other Station Access - Mitsubishi Electric QJ71LP21 Reference Manual

5 PARAMETER SETTINGS

5.1.6 Valid Module During Other Station Access

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This parameter is used to specify any of the following modules to be relayed when a
data communication request for which the network No. of the access target PLC
station cannot be specified from the host (access from the QJ71C24 (A compatible 1C
frame), QJ71E71 (A compatible 1E frame), etc. to other stations) is issued.
• MELSECNET/H, MELSECNET/10 module
• Ethernet module
This setting is not required when a data communication request for which the network
No. can be specified, such as the QJ71C24 (QnA compatible 3C frame, QnA
compatible 4C frame) or QJ71E71 (QnA compatible 3E frame), is used. Leave it as the
default (1) setting.
For details of the QJ71C24 or QJ71E71 protocol, refer to the Q Corresponding
MELSEC Communication Protocol Reference Manual.
[Screen settings]
(Example)
In the example below, the personal computer connected to the QJ71C24 can
communicate with the station on network No. 2 where the network module 3 is
connected.
Valid module No. for access
to other stations: 3
Power
QCPU QX41 QX41
supply
module
Select from the selection dialogue box.
A compatible 1C frame
Module 1 Module 2 Module 3 Module 4
QY41P QJ71 QJ71 QJ71
C24 LP21 E71
-100
Network No. 1
Ethernet
MELSEC-Q
QJ71 QJ71
LP21 LP21
Network No. 3
Network No. 2
Power
QCPU QJ71
supply
LP21
module
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