4.8.2Ethernet connection (Connection to the Ethernet module mounted on redundant type extension base unit)

This section explains the Ethernet connection for connecting the GOT to the Ethernet module mounted on the redundant type extension base unit.

The following shows an example of connecting the GOT to the Ethernet module mounted on the redundant type extension base unit.

Monitor target

Control system

(System A)

supply Power module

Q25PRHCPU

QJ71BR11

Empty

Empty

 

 

supply Power module

Q25PRHCPU

QJ71BR11

Empty

Empty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standby system (System B)

supply Power module

100-QJ71E71

Empty

Empty

Empty

Redundant type extension base unit

Network No.2, Station No.1 (Ethernet module)

Ethernet connection

Network No. 2, Station No. 2

GOT

(1)Connection method

Connect the GOT to the Ethernet module (QJ71E71-100, QJ71E71-B5, QJ71E71-B2) mounted on the redundant type extension base unit.

For details, refer to the following.

8. ETHERNET CONNECTION

(2)GT Designer3 setting

Set GT Designer3 as follows.

Setting item

Settings

Model

 

 

MELSEC-QnA/Q/QS, MELDAS C6*

 

Controller Type

 

 

 

 

 

MELSEC-QnA/Q, MELDAS C6*

 

Device setting

Host

Host

 

(Network setting)

 

 

 

 

Q Redundant Setting

 

Do not set the item.

 

(3)Monitoring target change when system switching occurs in a redundant system

When the system switching occurs, the GOT automatically changes the monitoring target to the PLC CPU switched to the control system.

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4. HOW TO MONITOR REDUNTANT SYSTEM

 

4.8 Connection to the Redundant Type Extension Base Unit