Item

Description

Range

 

Set the number of refreshes to

 

 

secure the send/receive data in

 

 

station units during

 

 

communication.

 

Refresh

(Default: 1time)

1 to 1000times

Interval

Valid when [Secured data send/

 

 

Secured data receive] Is marked

 

 

by the control station side network

 

 

parameters of the melsecnet/h

 

 

network system.

 

 

 

 

 

Set the communication

 

 

transmission speed.

 

Transmission

(Default: 25Mbps)

10Mbps/25Mbps

Speed

When specifying [MNET/10

 

 

mode] as The network type, only

 

 

10mbps can be set applicable.

 

 

 

 

*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)

POINT

(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.

9.3.3Routing 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.

POINT

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)

Item

Range

Transfer Network No.

1 to 239

 

 

Relay Network No.

1 to 239

 

 

Relay Station No.

1 to 64

 

 

POINT

(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.

9 - 10

9. MELSECNET/H CONNECTION (PLC TO PLC NETWORK)

 

9.3 GOT Side Settings