User`s manual

10-6
Data link DL1 (master station) function
10
[3] Data memory area
The data link area and communication monitor flags are allocated in the JW-32CUM1 (control section)
data memory for the data link DL1 (master station) function.
(1) Data link area
The number of link bytes for each slave station varies with the number of slave stations (setting on
switch SW4).
[Ex.] When the number of slave stations is 2.
ｺ1000 to ｺ1077 (64 bytes)
Data link area Communication monitor flag
15000 to 15017
Number of slave stations Number of link bytes
132
2to3 16
4to7 8
8to15 4
- The number of link bytes per station is the total
number of link bytes divided evenly by the number of
stations.
- The empty area can be used for auxiliary relays.
Data link area in the master
station (JW30H: JW-32CUM1)
ｺ1000
ｺ1017
ｺ1037
ｺ1057
ｺ1077
16 bytes
16 bytes
64 bytes
16 bytes
16 bytes
Vacant
Master
station
Slave
station 01
Slave
station 02