[4] Monitor operation condition by each station PC

By creating a program having the flags shown below in each station's PC, the JW-21MN can monitor the operation condition of each station’s PC.

[Ex.: In this case the flag top address is ￿0740]

Flag top address

7

6

5

4

3

2

1

0

Master station

コ0 7 4 0 to

コ0 7 4 7 コ0 7 5 0

to

コ0 7 5 7

コ0 7 6 0 to

コ0 7 6 7

 

0 7

0 6

0 5

0 4

0 3

0 2

0 1

0 0

 

 

 

 

 

 

 

to

to

to

to

to

to

to

 

to

 

 

 

 

(1) Communication monitor flag

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7 7

7 6

7 5

7 4

7 3

7 2

7 1

7 0

 

 

 

 

Slave station 70(8)

 

0 7

0 6

0 5

0 4

0 3

0 2

0 1

0 0

 

 

 

 

 

 

 

 

 

 

 

 

to

to

to

to

to

to

to

 

to

 

 

 

 

(2) Operation condition monitor flag [1]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7 7

7 6

7 5

7 4

7 3

7 2

7 1

7 0

 

 

 

 

 

 

 

 

 

 

 

 

0 7

0 6

0 5

0 4

0 3

0 2

0 1

0 0

 

 

 

 

(3) Operation condition monitor flag [2]

 

 

 

 

 

 

 

to

to

to

to

to

to

to

 

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7 7

7 6

7 5

7 4

7 3

7 2

7 1

7 0

 

 

 

 

 

 

 

 

 

 

 

Slave station 01

Slave station 01

Slave station 01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Slave station 01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

normal operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Communication monitor

Operation condition (1)

Operarion condition (2)

0 7 4 0 1

0 7 5 0 1

0 7 6 0 1

12

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