Omron CJ - INSTRUCTIONS Reference Manual page 1027

• A few seconds is required for the CPU Unit to detect a Memory Card after it has been inserted. If a
Memory Card is going to be accessed soon after power is turned ON or after a Memory Card is
inserted, use the Memory Card Detected Flag (A343.15) in a NO input condition as shown below to
be sure that the Memory Card has been detected.
Execution
A343.15
condition
Memory Card
Detected Flag
Example Programming
When CIO 0.00 turns ON in the following example, FREAD(700) reads 10 words of data from file
\ABC\XYZ.IOM starting with the beginning of the file + 5 words and outputs these 10 words to D400
through D409.
A343.13
0.00
CS/CJ/NSJ Series Instructions Reference Manual (W474)
A343.13
File Memory
Operation Flag
D200
D300
D400
S1: D200
S1+1: D201
S1+2: D202
S1+3: D203
S2: D300
S2+1: D301
S2+2: D302
S2+3: D303
S2+3: D303
+5 words
Wd 5
Wd 14
FREAD
C
S1
S2
D
File memory: Memory Card
Function: Read data
Number of words to read: 10 words
Starting word: Beginning of file+5 words
Directory name: \ABC
Filename: XYZ
Ignored
File \ABC\XYZ.IOM
Wd 0
D400
+10 words
D409
3. Instructions
CPU Unit
3
989