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6.7.2 Sequence Reading Instruction (AR,SR)
When using the sequence reading instruction, reading data is executed when code tag gets into
communication area.
< Sequence Reading Instruction (AR,SR) >
Executes reading in sequence until code tag gets into communication area .
Reads the data when code tag gets into communication area and store it to remote register of processor.
After that, reads data out to check, and compares the data.
Instruction code
Sequence reading instruction : AR
code : 5241H
SR
code : 5253H
(1) Operation timing
The following chart shows operation timing.
ON
External signal OFF
ON
M1 OFF
Writing parameter
Store data to D1000...D1004 Store data to D1005...D1009
ON
Sequence program OFF
TOP
FROMP
FROMP
Request of executing
ON
ID instruction M340 (RY4) OFF
Finish of
ON
ID instruction M212 (RX4) OFF
ON
ID-BUSY M211 (RX3) OFF
Request of
ON
divided data
M215 (RX7) OFF
Finish of
ON
divided data
M343 (RY7) OFF
Communication code tag
ON
and read/write 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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