2] communication area map, 2] communication area map -7 – Sharp JW-21MN User Manual
Page 60
11-7
Slave station 01
(8)
(Data memory)
Master station 00
(8)
(Data memory)
Register link area
(Within a total of 2048 bytes)
Relay link area
(Within a total of 256 bytes)
bytes
bytes
bytes
Flag
area
Slave station n
(Data memory)
[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.
: Send
: Receive
- 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
0
to e
n
for parameters of master station and slave station. (See page 11-5, 6 and 22)
Parameter for setting in slave station
Top address of flag area (slave station) e
1
to e
n
Parameter for setting in master station
Top address of relay link area a
0
, a
1
to a
n
Top address of register link area b
0
, b
1
to b
n
Number of sending bytes of relay link area
c
0
, c
1
to c
n
Number of sending bytes of register link area
d
0
, d
1
to d
n
Top address of flag area (master station) e
0
.
- Total number of sending bytes per station both relay link and register link is max. 1024 bytes.
c
0
+d
0
, c
1
+d
1
, c
n
+d
n
= 0 to 1024 bytes.