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- Set the receiving area for save memory function within the range of the link area.
0 £ a
£ Total number of bytes of relay link area -h
1
0 £ a
£ Total number of bytes of relay link area -h
n
0 £ b
£ Total number of bytes of register link area -i
1
0 £ b
£ Total number of bytes of register link area -i
n
- Number of offset bytes can be set exceeding the number of sending bytes of the master station.
‡ c
a
, a
and b
1
n
0
- Setting example of top address f
When the setting value of the module No. switch is "2," f
(3) When the master station and slave stations are all JW-21MN's and both data link (the stan-
dard function) and data link (the save memory function) are set among slave stations.
Set signs below by the parameters of the master station (page 11-5, 6) and the module No. switch
of the JW-21MN (page 11-2).
- An example of a relay link area map for the setting of the data link (standard function) for slave
station 01 and the data link (save memory function) to slave station 02.
Master station 00
ａ
0
ｃ
0
ａ
2
ｃ
1
ｃ
2
Total number of bytes of relay link area (
c
h
≦ 64 bytes
+
2
2
- An example of register link area map for the setting of the data link (the save memory function) to
slave station 01 and 03 and data link (the standard function) to slave station 02.
Master station 00
ｂ
0
ｂ
1
ｂ
ｄ
3
1
ｄ
3
ｄ
1
ｄ
2
ｄ
3
Total number of bytes of register link area (
b
d
0 ≦
≦
1
i
d
+
≦ 512
1
1
‡ d
, b
1
n
0
/f
/g
/g
1
n
1
n
Slave station 01
Data link
(8)
(the standard function)
ａ
1
ｃ
0
ｃ
ｃ
1
ｃ
2
a
c
0 ≦
≦
2
Slave station 01
(8)
Data link
(8)
(the save memory function)
(within JW-21MN)
ｄ
0
ｇ
1
ｉ
1
ｇ
ｉ
+
1
1
ｄ
1
d
d
b
0 ≦
≦
+
+
0
2
3
3
i
d
+
≦ 512
3
3
11-9
1
n
1
n
is ｺ1200, g
/f
1
n
Slave station 02
(8)
Data link
(the save memory function)
(within JW-21MN)
ａ
2
ｆ
2
ｈ
2
2
ｆ
+
ｈ
2
2
ｃ
2
c
c
c
) ≦ 256 bytes
+
+
0
1
2
c
+
0
1
Slave station 02
(8)
Data link
(the standard function)
ｂ
2
ｄ
0
ｄ
1
ｄ
2
ｇ
ｄ
3
d
d
d
d
) ≦ 2048 bytes
+
+
+
0
1
2
3
d
d
d
+
+
0
1
2
/g
is 29000.
1
n
(8)
(within
control module)
ｆ
2
Slave station 03
(8)
Data link
(the save memory function)
(within JW-21MN)
ｇ
3
i
3
+
i
1
3
ｄ
3
11
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