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[2] Communication area map
(1) In case that setting data link (the standard function) when the master station and all slave
stations are JW-21MN's.
Master station 00
(Data memory)
ａ
0
ｃ
0
ｃ
1
ｃ
n
ｂ
0
ｄ
0
ｄ
1
ｄ
n
ｅ
0
Flag
area
24
bytes
- Set the relay link area, register link area, flag area within the setting range nominated in page 11-
11, 12 and 23. However, be careful not to double any address allocation of these.
- Set a
to e
for parameters of master station and slave station. (See page 11-5, 6 and 22)
0
n
Parameter for setting in master station
Top address of relay link area a
Top address of register link area b
Number of sending bytes of relay link area
c
, c
to c
0
1
n
Number of sending bytes of register link area
d
, d
to d
0
1
n
Top address of flag area (master station) e
- Total number of sending bytes per station both relay link and register link is max. 1024 bytes.
c
+d
, c
+d
, c
+d
0
0
1
1
n
Slave station 01
(8)
(Data memory)
ａ
1
ｃ
0
ｃ
1
ｃ
n
ｂ
1
ｄ
0
ｄ
1
ｄ
n
ｅ
1
24
bytes
, a
to a
0
1
n
, b
to b
0
1
n
.
0
= 0 to 1024 bytes.
n
11-7
○ : Send
● : Receive
ｎ＝０２to７７
(8)
(8)
ａ
ｃ
ｃ
ｃ
Parameter for setting in slave station
Top address of flag area (slave station) e
Slave station n
(Data memory)
n
0
1
n
ｂ
n
ｄ
0
ｄ
1
ｄ
n
ｅ
n
24
bytes
to e
1
n
11
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