User`s manual

10-3
Data link DL1 (master station) function
10
[2] Communication contents of data link DL1
The data link DL1 function is available to communicate the data memory contents of a PC through data
link area.
When the master station (JW-32CUM1), slave station 01 and a slave station 02 each send 16
bytes of data:
- Master station data link area: ｺ1000 to ｺ1077 (Fixed areas in the JW-32CUM1)
- Slave station 01 data link area: ｺ0200 to ｺ0277
- Slave station 02 data link area: ｺ0200 to ｺ0277
Master station
(JW30H: JW-32CUM1)
Slave station 01 (JW20H)
Slave station 02 (JW50H)
ｺ1000
ｺ1020
ｺ1040
ｺ0200
ｺ0220
ｺ0240
ｺ0200
ｺ0220
ｺ0240
: means sending
: means receiving
Master station program Slave station 01 program Slave station 02 program
12000
12001
12002
12006
12007
2001
2002
2006
2007
2000
2001
2002
2006
2007
2000
2200
2200
2401
12200
12401
2401
Remarks
- You cannot specify a specific station to receive data. All of the stations will receive the same data
from any other station.
- Write the link relay of the sending station as an OUT instruction in PC program. The link relay of
the sending station is usable as a D (destination) side of the application instruction.
- Write the link relay of the receiving station as an input signal in PC program. The link relay is
usable as the S (source) side of the application instruction.
- Sending data and receiving data correspond to 1 point unit bit.
76543210
ｺ1000
76543210
ｺ1020
76543210
ｺ0200
76543210
ｺ0220
Becomes the same value as ｺ0220
slave station.
Becomes the same value as ｺ1000
master station.