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6.7 Reading Data Instruction
Following are the instructions to read out data from code tag.
6.7.1 Reading instruction (RD,CR)
Execute reading data in code tag.
<Reading instruction (RD,CR)>
Stores the data read from code tag to remote register in processor.
Reads data out again to check data and compares the data.
Instruction code
Reading instruction
: RD
Code : 4452H
CR
Code : 5243H
(1) Operation timing
The following chart shows operating timing.
ON
External signal OFF
ON
M1 OFF
Store data
Store data
Writing parameter
to D1000...D1004
to D1005...D1009
ON
Sequence program OFF
TOP
FROMP
FROMP
Request of
ON
ID instruction M340(RY4) OFF
Finish
ON
ID instruction M212(RX4) OFF
ON
ID-BUSY M211(RX3) OFF
Request of
ON
Divided data M215(RX7) OFF
Finish
ON
Divided data M343(RY7) OFF
Communication
ON
Code tag and R/W head
OFF
Reading
Compare
ON
communication communication
Compare accordance M209(RX1) OFF
ON
Error detection M213(RX5) OFF
Содержание BIS C-489-1 KBT02 Series
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