Mitsubishi Electric GOT2000 Series Connection Manual Download

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3.3 CC-Link System Access Range for Monitoring

(3) Setting NW No. and station number

(a)

When monitoring devices RX, RY, RWw and RWr that are allocated to the master station by CC-Link

parameter setting

NW No.: 0, PLC station number: Local

(b)

When monitoring PLC CPU devices of another station

NW No. 0, PLC station number: Other (Station number: n)
(n: Station number of another station to be monitored (0: Master station, 1-64: Local station))

POINT

For monitoring devices RX, RY, RWw and RWr that are allocated by CC-Link parameter, use the
local device even if designating devices allocated to another station.
Otherwise, the display speed will be reduced.

■3.

When using CC-Link connection (via G4) (Q series only)

(1) Access range

GT27 can monitor the master station and local stations.

(2) Setting NW No. and station number

(a)

When monitoring master station

NW No.: 0, PLC station number: Host/other (station number: 0)

(b)

When monitoring local station

NW No.: 0, PLC station number: Other (station number: 1 to 64)

(3) Setting device name and device number

Set the device name and device No.

➠

2.DEVICE RANGE THAT CAN BE SET

■4.

Monitoring overview

The following two methods are available for monitoring by the GOT with CC-Link communication unit.

This program is not required if the CC-Link parameter setting sequence program and GOT communication sequence program
satisfy the following conditions.
• Use a QCPU (Q mode) or QnACPU whose number given in the DATE field of the rating plate is "9707B" or later as the PLC

CPU of the master station.

• Use GX Developer or SW2 -GPPW and make CC-Link parameter setting and batch refresh device setting in the CC-Link

setting on the package.
For details of the connection method, refer to the following manual .

➠

User's manual of the CC-Link master unit to be connected

For whether the data can be sent to/received from the CC-Link Ver. 2 compatible station by transient transmission and cyclic
transmission, refer to the following.

➠ ■2.

When using CC-Link connection (intelligent device station)

POINT

In transient transmission, connection of several (five or more as a guideline) intelligent device
stations (GOTs and intelligent device units) reduces the data communication speed.
To raise the data communication speed, increase the CC-Link system, for example, and do not
connect five or more intelligent device stations to a single CC-Link system.

Monitoring method

Monitoring by transient transmission

Monitoring by cyclic transmission

Contents

Devices of the PLC CPU on the CC-Link system master and
local station are specified and monitored.

All remote inputs/outputs and remote registers assigned to
the Master station by CC-Link parameter setting are specified
and monitored.

Advantage

The CC-Link parameter setting sequence program is
required. However, the GOT communication sequence

program is not needed.

The data communication processing speed is high.

Disadvantage

The data communication processing speed is lower than that
of cyclic transmission.

• Writing from the GOT (read command from the

master station) can be performed only to remote
outputs and remote registers assigned to the GOT
of the master station and to the GOT internal
registers.

Mitsubishi Electric GOT2000 Series, Connection Manual

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