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9. MELSECNET/H CONNECTION (PLC TO PLC NETWORK)
9.3 GOT Side Settings
*1 Cannot be set for the QCPU redundant system.
*2 For details, refer to the following manual.
Q corresponding MELSECNET/H Network System
Reference Manual (PLC to PLC network)
POINTPOINTPOINT
(1) Communication interface setting by Utility
The communication interface setting can be
changed on the Utility's [Communication Settings]
after writing [Communication Settings] of project
data.
For details on the RS-422 conversion unit and the
GOT utility, refer to the following manual:
GT User's Manual
(2) Precedence in communication settings
When settings are made by GT Designer3 or the
Utility, the latest setting is effective.
9.3.3 Routing parameter setting
Up to 64 [Transfer Network No.]s can be set.
However, the same transfer network number cannot be set
twice or more (multiple times).
Therefore, the one that can access to other station from the
request source host GOT is 64 kinds of [Transfer Network
No.]s.
POINTPOINTPOINT
Routing parameter setting
When communicating within the host network, routing
parameter setting is unnecessary.
For details of routing parameters, refer to the following
manual.
Q corresponding MELSECNET/H Network
System Reference Manual (PLC to PLC
network)
POINTPOINTPOINT
(1) Routing parameter setting of relay station
Routing parameter setting is also necessary for
the relay station.
For the setting, refer to the following.
9.4 PLC Side Settings
(2) Parameter reflection function of MELSOFT Navigator
(a) The color of the cells for the items which are
reflected to GT Designer3 from MELSOFT
Navigator changes to green. Set items, which
are displayed in green cells, from the
MELSOFT Navigator.
(b) When the settings of Transfer network No.,
Relay network No. or Relay station No. are
reflected to the parameter from the MELSOFT
Navigator, those settings are added. Items set
in advance are not deleted.However, if the
target network No. overlaps, the item set in
advance is overwritten.
(c) The routing information is used manually by
the user when the data is created. Therefore,
after changing the network configuration by
MELSOFT Navigator, create a routing
information again. For details of the creation
of the routing information, refer to the
MELSOFT Navigator help.
Refresh
Interval
Set the number of refreshes to
secure the send/receive data in
station units during
communication.
(Default: 1time)
Valid when [Secured data send/
Secured data receive] Is marked
by the control station side network
parameters of the melsecnet/h
network system.
1 to 1000times
Transmission
Speed
Set the communication
transmission speed.
(Default: 25Mbps)
When specifying [MNET/10
mode] as The network type, only
10mbps can be set applicable.
10Mbps/25Mbps
Item Description Range
Item Range
Transfer Network No. 1 to 239
Relay Network No. 1 to 239
Relay Station No. 1 to 64