Turn master module and slave module power “OFF.”

Remove the setting switch cover of network module JW-20CM.

·With your fingertips over the top and bottom of the switch cover, pull the cover towards you to remove it.

·Keep the cover saved as it must be installed after switch setting.

Set MODE (function) switch

·In case of master station, be sure to setting “1.”

·In case of slave station, be sure to setting “2” or “3.”

 

 

Setting value

Function

MODE

 

 

 

 

 

 

0

Set at delivery

 

 

 

 

 

 

 

1

Remote I/O

 

 

 

 

 

 

 

 

 

Data link (standard

 

 

2

function)

 

 

 

 

Computer link

 

 

 

 

 

 

 

 

 

Data link (memory

 

 

 

3

capacity save function)

 

9

 

 

 

Computer link

 

 

 

 

 

 

 

 

 

Test mode

 

 

 

4-F

A service man will use

 

 

 

these switches for

 

 

 

 

 

 

 

 

adjustment.

 

 

 

 

 

 

Do not set “4 to F.”

 

BCD

 

 

A

 

F

9

 

 

E

 

 

 

0

8

 

7

 

2

1

 

6

4

 

 

5

3

 

 

 

 

 

Set STA. NO. (station number) switch

·In case of master station, be sure to setting “00(8).”

·In case of slave station, set 01 to 77(8) in order “01” continuously.

A maximum number of 63 slave stations can be connected. Enter station numbers using octal notation.

Be careful not to assign the same number twice and do not skip any numbers.

To the next page

STA.NO.

X10

X1

7 6

5

4 3

7 6

5

4 3

8 9

0

1 2

8 9

0

1 2

9·18