15-3 Data link specifications

Both standard function and save memory function are available. Select by the mode switch on the JW-21MN.

 

(1) Standard function

 

 

 

 

 

 

 

Item

 

 

 

Specifications

 

 

 

 

 

 

 

 

 

 

 

Amount of

64 stations max.

 

 

connectable stations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Link area

JW20/JW20H

 

JW30H

 

 

 

Relay

0000 to 1577

0000 to 1577, 2000 to 7577

 

 

 

b0000 to b1777, b2000 to b3777

 

 

 

link

09000 to 39777

 

 

 

09000 to 99777, E0000 to E7777

 

 

 

 

 

 

 

 

 

 

Register

0000 to 1577

File 1, 2 (When JW-32CUH1/33CUH1/33CUH2/33CUH3 is used)

 

 

 

File 3 (When JW-33CUH1/33CUH2/33CUH3 is used)

 

 

 

link

09000 to 99777

 

 

 

File 10 to 14 (When JW-33CUH2/33CUH3 is used)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

File 15 to 2C (When JW-33CUH3 is used)

 

 

Flag area

Set to the parameters of the JW-21MN, (Initial value: 740)

 

 

Total number of links

Relay link

: 2048 points max.

 

 

Register link: 2048 bytes max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transmit points per

Max. 1024 bytes including relay link and register link

 

 

station

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Communication mode

N: M communication

 

 

 

 

 

 

 

 

 

 

(2) Save memory function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

Specifications

 

 

 

 

 

 

 

 

 

 

 

 

Amount of connectable

64 stations max.

 

 

 

stations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Relay link

 

: 1000 to 1477

 

 

 

Link area

 

 

(Select by the module No. switch)

 

 

 

Register link

: 09000 to 49777

 

 

 

 

 

 

 

 

 

 

 

 

(Select by the module No. switch)

 

 

 

 

 

 

 

 

 

 

Flag area

Set to the parameters of the JW-21MN

 

 

 

(Initial value: 740)

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

Total number of links

Relay link

: 2048 points max.

 

 

 

Register link: 2048 bytes max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sending points per

Relay link

: 256 points max.

 

 

 

station

Register link: 256 bytes max.

 

 

 

 

 

 

 

 

 

 

Communication mode

N: M communication

 

 

 

 

 

 

 

 

 

 

15-2