Fnc 303 - Flrd / Data Read - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
34.4 FNC 303 – FLRD / Data read
Outline
The FLRD instruction reads data from the CompactFlash
1. Instruction format
FNC 303
FLRD
2. Set data
Operand Type
S
1
S
2
D
1
D
2
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
1
S
2
D
1
D
2
n
Explanation of function and operation
1. 16-bit operation (FLRD)
Command
input
FNC303
FLRD
The FLRD instruction reads corresponding number of data from the position determined by the line position
and column position in the file specified by the file ID, and stores the read data to a device specified in
Mnemonic
16-bit Instruction
FLRD
11 steps
File ID (Refer to Subsection 34.4.1)
Data read parameter (Refer to Subsection 34.4.1)
Device which stores the read data (Refer to Subsection 34.4.1)
Number of data points existing in the specified line (Refer to Subsection 34.4.1)
Used channel number [contents of setting : K1 = ch1, K2 = ch2]
Digit Specification
S
S D
1
2 1
34 FX3U-CF-ADP Applied Instructions – FNC300 to FNC305
TM
card.
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User Index
Unit
V Z Modify K H
D n
2
Used channel number
Number of data points existing in the specified
line
Device which stores the read data
Data read parameter
File ID
34.4 FNC 303 – FLRD / Data read
Mnemonic Operation Condition
Data Type
16-bit binary
16-bit binary
-
16-bit binary
16-bit binary
Others
Con- Real Charac-
Pointer
stant Number ter String
E " "
D
795
31
32
33
34
35
P
36
37
38
A
.
1
B