Mitsubishi Electronics A1SJ71AR23Q ユーザーズマニュアル

3

3.6.10

Link register (W0 to WFFF)

The data of a link register (W0 to WFFF) for the B/W communication is stored.
Refresh devices of the CPU module and the data in this area using the following area in a 
sequence program.

 • Presence or absence of refresh information table (Buffer memory address: 0

H

, 

1

H

)

 • Refresh information table (Buffer memory address: 2

H

 to 27

H

)

The following shows the refresh of a link register (W) for the case where link parameters 
are set as shown below and a local module is a local station in the third tier (l1 station).

Link parameters of second tier

M

L1

100

200

L2/ m

300

400

200

L2/m

300

l1

280

l2

2C0

M

L1

Second

tier

l1

l2

Third tier

L2/m

B/W 0

M

L1

L2/m

500

600

700

FFF

(Empty)

(Empty)

600

L2/m

700

l1

680

l2

6C0

B/W 0

FFF

Link parameters of master station for third tier (L2/m)

First half of link parameters

Latter half of link parameters

First half of link parameters

Latter half of link parameters

W200

W27F

Local module

CPU module

Other station send range (1)

(First half of link parameters)

Send range of master station for second tier

(First half of link parameters)

Host station send range

(First half of link parameters)

Other station send range (2)

(First half of link parameters)

Other station send range (1)

(Latter half of link parameters)

Send range of master station for second tier

(Latter half of link parameters)

Host station send range

(Latter half of link parameters)

Other station send range (2)

(Latter half of link parameters)

Link register (W)

Link register (W)

400

H

4FF

H

600

H

6FF

H

800

H

8FF

H

A00

H

67F

H

680

H

6BF

H

6C0

H

A7F

H

A80

H

ABF

H

AC0

H

13FF

H

W0

WFF

W280

W2BF

W2C0

W2FF

W600

W67F

W400

W4FF

W680

W6BF

W6C0

W6FF

AFF

H

W200

W27F

W0

WFF

W280

W2BF

W2C0

W2FF

W600

W67F

W400

W4FF

W680

W6BF

W6C0

W6FF