User`s manual

3-7
[2] Communication system using link module (JW-21CM)
- The JW-21CM can use any of the following 4 functions by setting its internal switch.
- The JW-21CM is an option module, and up to 7 modules of JW-21CM (including other option modules)
can be mounted only on a basic rack panel. Total number of mountable modules varies according to
the functions to be used, as shown above.
[Mounting example]
Computer link : 2
Data link DL1 (N:M method) : 2
Data link DL9 (1:N method) : 2
Remote I/O master station : 1
Total 7
(1) Computer link
- This link offers communication between a host computer as a master station and a JW-21CM as
a slave station.
JW-21CM (slave)
JW300
RS-232C
RS-485
Host computer
JW-21CM (slave)
JW300
JW70H
JW-10CM (slave)
Z-101HE
Max, of 31 slave stations
RS-232C/422 converter
JW-340CU
CM1 RUN
ON
↑
FLT
USB
PG/COMM1
PG/COMM2
▲
PULL
PROTECT
CM2
電池交換
時期
This
battery
expires
電池の交換
は５分以内
に行ってく
ださい
Exchange
the battery
within
５minutes.
JW-340CU
CM1 RUN
ON
↑
FLT
USB
PG/COMM1
PG/COMM2
▲
PULL
PROTECT
CM2
電池交換
時期
This
battery
expires
電池の交換
は５分以内
に行ってく
ださい
Exchange
the battery
within
５minutes.
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Total number of mountable modules
(Basic rack panel)
Up to 7
Up to 6 (total of master and slave stations)
Up to 6 (total of master and slave stations)
Up to 1
=> (4)
=> (1)
=> (2)
=> (3)
Functions
Computer link
Data link DL1 (N:M method)
Data link DL9 (1:N method)
Remote I/O master station