4.8Connection to the Redundant Type Extension Base Unit

4.8.1Computer link connection (Connection to the Serial communication module mounted on the redundant type extension base unit)

This section explains the computer link connection for connecting the GOT to the serial communication module mounted on the redundant type extension base unit.

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

 

Monitor target

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control system

 

supplyPower module

Q25PRHCPU

QJ71BR11

Empty

Empty

 

 

 

module

supplyPower

Q25PRHCPU

 

QJ71BR11

Empty

Empty

Standby system

 

(System A)

 

 

 

 

 

(System B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

module

supplyPower

QJ71C24N

Empty

 

Empty

Empty

 

 

Computer link

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Redundant type extension base unit

 

 

 

 

 

 

 

 

 

 

 

connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) Connection method

Connect the GOT to the serial communication module (QJ71C24N) mounted on the redundant type extension base unit.

For details, refer to the following.

7. COMPUTER LINK 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.

1

PREPARATORYFORPROCEDURESMONITORING 2

RANGESETBE

DEVICE CANTHAT 3

RANGEACCESS MONITORINGFOR 4

MONITORTOREDUNTANTSYSTEM HOW 5

CONNECTIONBUS 6

DIRECTTOCONNECTIONCPU 7

LINKCOMPUTER CONNECTION 8

ETHERNETCONNECTION

4. HOW TO MONITOR REDUNTANT SYSTEM

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4.8 Connection to the Redundant Type Extension Base Unit