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5. Instructions for Programming
5.1 Connecting the System and Processing Data
Processor BIS C-489 reads and writes data of device in sequencer.
The processing unit of data when communicating with the code tag is a one word unit 16 bits, 2 bytes .
(
)
To keep data interchangeability, the processing unit should be a unified word unit in a host system if the
sequencer and personal computer are intermingled.
General-purpose
computer
Connect with MELSECNET, Ethernet etc.
CC-Link master local station
Read/write
Code
Head
tag
CH1
Sequencer
Master Processor
CPU
unit
BIS C-488
CH2
Cable for read/write head
Word unit
Processor
BIS C-489
Read/write
Code
head
tag
CH1
□
CH2
□
CC-Link
Cable for read/write head
(
)
External power unit DC24V
(
)
5.2 Construction of Data Processing unit
Processing data of identification system is carried out with word unit.
<
>
Note
Selecting a processing unit for a Initializing instruction RYn1 should be OFF in this system.
(
)
(1) Data flow chart with word unit
Buffer memory
Data carrier
Buffer memory
Writing
Reading
(L)
41H
4241H
4241H
(H)
42H
(L)
43H
4443H
4443H
(H)
44H
Содержание BIS C-489-1 KBT02 Series
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