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11-2
[2] Module No. switch (UNIT NO.)
Select error history storage registration area and data link (save memory function) area for a slave
station by setting the mode switches.
(1) Setting the mode switch to "2"
(2) Setting the mode switch to "3"
4
3
2
1
0
F
E
D
C
B
A
9
8
7
6
5
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
MODE
(Factory setting: 2)
(Rear side)
(Factory setting: 0)
1
2
3
4
5
6
7
8
9
0
UNIT
NO.
(Front side)
11-2 Switch setting of master station and slave station
Prior to using the JW-21MN, set the following switches.
[1] Mode switch (MODE)
Set whether the JW-21MN is used as a master station or a slave station as well as
the data link type (standard function or save memory function).
- The setting value of the module No. switch should not be the same as any other option
module (including JW-21MN) mounted on the same basic rack panel.
- The top address of each relay link area and register link area corresponds to f1 to fn and
g1 to gn on page 11-8 and 11-9.
-Do not set the mode switch to "0," "1," or "4" to "F.
- The computer link function is effective for both "2"
and "3" settings.
0
1
2
3
4
5
6
7 to 9
Setting value of the
module No. switch
E1400 to E1577
E1200 to E1377
E1000 to E1177
E0600 to E0777
E0400 to E0577
E0200 to E0377
E0000 to E0177
E7400 to E7577
E7200 to E7377
E7000 to E7177
E6600 to E6777
E6400 to E6577
E6200 to E6377
E6000 to E6177
Prohibited setting
Error history storage register
JW20/JW20H JW30H
Setting value of the
module No. switch
0
1
2
3
4
5 to 9
Data link (Save memory function)
1000 to 1077
1100 to 1177
1200 to 1277
1300 to 1377
1400 to 1477
Error history storage register
Relay link area
Register link area
09000 to 09777
19000 to 19777
29000 to 29777
39000 to 39777
49000 to 49777
E1400 to E1577
E1200 to E1377
E1000 to E1177
E0600 to E0777
E0400 to E0577
Prohibited setting
E7400 to E7577
E7200 to E7377
E7000 to E7177
E6600 to E6777
E6400 to E6577
JW20/JW20H
JW30H
Station
Data link
Standard function
Standard function
Save memory function
Setting value of
the mode switch
Master station
Slave station
2
2
3