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