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6.8.3 Batch Writing Instruction (FI)
Batch writing instruction clears the share of processing data from a specified address with 1-word specified
data.
Use clear instruction CL to zero clear all data.
(
)
Instruction code
Instruction : FI
Code : 4946H
(1) Operation timing
The following chart shows operating timing.
ON
External signal
OFF
ON
M1
OFF
Writing parameter
ON
Sequence program
OFF
TOP
Request of executing
ON
ID instruction
M340 (RY4) OFF
Finish of
ON
ID instruction M212 (RX4)
OFF
ON
ID-BUSY M211(RX3) OFF
Communication code tag
ON
and read/write head
OFF
ON
Error detection M213 (RX5) OFF
(2) Explanation of operating
The following explains the timimg operation.
Sequencer CPU
Processor
ON external relay M1, set instruction code,
first address, number of communication word and
writing data with TO instruction then ON RY4.
ON RX3
Read/write
Code
Head
tag
ON finish identification instruction relay RX4.
Execute batch writing
OFF RY4
OFF RX3, RX4
<Attention>
It executes instructions for the number of retry times and occurs error in the case of
code tag is not present when batch writing instruction (FI) is executed.
When area for writing is including write protection area, write protection error occurs.
(It does not execute writing to area except write protection area.)
Summary of Contents for BIS C-489-1 KBT02 Series
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