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11-3 Setting contents of master station parameters
[1] Setting contents
When the JW-21MN is used as a master station, set the following items for parameters.
When the JW-21MN is used as a slave station, setting contents of the parameter address 004004 to
004377
and 004404 to 004777
(8)
(standard function/save memory function).
For details of the parameter memory, see pages 16-8 to 16-12.
Setting item
Top address of relay link area on
the master station
Function
Number of connecting stations
Relay link area top address or number
of offset bytes on slave station 01
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Relay link area top address or
number of offset bytes on slave
station 02 to 77
(8)
Top address of register link area
on the master station
Register link area top address or
number of offset bytes on slave
station 01
.
(8)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Register link area top address or
number of offset bytes on slave
station 02 to 77
(8)
Number of sending bytes of master
station relay link area.
Number of sending bytes of slave
station 01
relay link area.
(8)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Number of sending bytes of slave
station 02 to 77
(8)
Number of sending bytes of master
register link area
Number of sending bytes of slave
station 01
register link area.
(8)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Number of sending bytes of slave
station 02 to 77
(8)
Slave station connection status
(error code output)
*
Yes/no station number information
output.
* "Connection condition of slave stations" and "Yes/no station number information out" are unique
functions of the JW-21MN.
may vary with the data link setting condition as a slave station
(8)
Parameter
address
(8)
004000
to 004001
004002
004003
004004
to 004007
.
(8)
004010
to 004377
.
004400
to 004403
004404
to 004407
004410
to 004777
.
005000
to 005001
005002
to 005003
005004
relay link area.
to 005177
005200
to 005201
005202
to 005203
005204
register link area.
to 005377
007750
to 007757
007763
V2
Corresponding symbols on pages 11-7 to 11-9
*
Initial
Details (setting range)
value
(H)
Set by file address
(8)
00
(000000 to 007777
(8)
Set to relay/register link (01
00
Set the amount of stations including a master station
00
by decimals (002 to 064
- When a slave station is
00
a data link (standard
function), set the top
address by file
00
address
(8)
Set by file address
00
(8)
- When a slave station is
a data link (standard
00
function), set the top
address by file
address
(8)
00
Set the number of bytes by decimals: 00000 to
00
00256
(D)
Set the number of bytes by decimals.
00
- When a slave station is data link (standard
function): 00000 to 00256
- When a slave station is data link (save memory
00
function): 00000 to 00032
Set the number of bytes by decimals: 00000 to
00
01024
(D)
Set the number of bytes by decimals.
00
- When a slave station is data link (standard func-
tion): 00000 to 01024
- When a slave station is data link (save memory
00
function): 00000 to 00256
Turn ON respective bit.
00
(See page 16-12.)
When set to 01
, stores its station number to the
(H)
data memory (effective when 1 byte next to 24 bytes
00
of flag area is 007767
11-5
)
only).
(H)
).
(D)
- When a slave station is
a data link (save
memory function), set
the number of offset
bytes by decimals:
00000 to 00256
(D)
- When a slave station is
a data link (save
memory function), set
the number of offset
bytes by decimals:
00000 to 02048
(D)
.
(D)
.
(D)
(D)
(D)
= 80
.)
(8)
(H)
*
a
0
–
–
a
1
−−−−
a
2
a
to
77
b
0
b
1
−−−−
b
2
b
to
77
11
c
0
c
1
−−−−
c
2
c
to
77
d
0
d
1
−−−−
d
2
d
to
77
–
–
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