Omron CS1G/H-CPUxxH Instructions Manual page 920

File Memory Instructions
3-26-2 READ DATA FILE: FREAD(700)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
Execution
A34315 A34313
condition
File Memory
Memory Card
Operation
Recognized
Flag
Flag
Reads the specified data or amount of data from the specified data file in file
memory to the specified data area in the CPU Unit.
FREAD(700)
S1
S2
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK OK
C: Control Word
As shown in the following diagram, the first digit indicates whether the source
file is in the Memory Card or EM file memory, the second digit of the control
word indicates whether the actual data or the number of words of data is to be
read, the third digits indicates the presence of carriage returns, and the fourth
digit indicates the data type.
FREAD
C
S1
S2
D
C C: Control word
S1: Number of words and First
source word
S2: Filename
D D: First destination word
Step program areas Subroutines
OK
Section 3-26
FREAD(700)
@FREAD(700)
Not supported.
Interrupt tasks
OK
899