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10. MELSECNET/10 CONNECTION (PLC TO PLC NETWORK)
10.3 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)
(2) MELSECNET/10
POINTPOINTPOINT
(1) When MELSECNET/H communication unit is used
When connecting the MELSECNET/H network
module to the MELSECNET/10 network system,
specify the [MNET/10 mode] as a [Network Type].
(2) Communication interface setting by the 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 Utility, refer to the following
manual.
GT User's Manual
(3) Precedence in communication settings
When settings are made by GT Designer3 or the
Utility, the latest setting is effective.
10.3.3 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
(1) Routing parameter setting
When communicating within the host network,
routing parameter setting is unnecessary.
(2) Selection of communication unit
Routing parameters cannot be set in the GT15-
75J71LP23-Z and the GT15-75J71BR13-Z.
When setting routing parameters, use the GT15-
J71LP23-25 or the GT15-J71BR13 according to
the connection type to be used.
For details of routing parameters, refer to the following
manual.
Q corresponding MELSECNET/H Network
System Reference Manual (PLC to PLC
network)
POINTPOINTPOINT
Routing parameter setting of relay station
Routing parameter setting is also necessary for the
relay station.
For the setting, refer to the following.
10.4 PLC Side Setting
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
Retry
Set the number of retries to be
performed when a communication
timeout occurs.
When no response is received after
retries, a communication times out.
(Default: 3times)
0 to 5times
Timeout Time
Set the time period for a communication
to time out.
(Default: 3sec)
3 to 90sec
Item Description Range
Item Range
Transfer Network No. 1 to 239
Relay Network No. 1 to 239
Relay Station No. 1 to 64
■ Switch setting of MELSECNET/H network module
■ [Network parameter] of GX Developer