Fnc182 - Comrd / Read Device Comment Data - Mitsubishi FX3U Series Programming Manual

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instruction Edition
24.1 FNC182 – COMRD / Read Device Comment Data
Outline
This instruction reads the comment data for devices registered (written) by programming software such as
GX Developer.
1. Instruction format
FNC 182
COMRD
2. Set data
Operand Type
S
D
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
D
Explanation of function and operation
1. 16-bit operation (COMRD and COMRDP)
1) The comment registered in the device
Command
input
Comment of device specified in
When the number of characters in the comment is even
· When M8091 is OFF, "00H" is stored in the next device of the device storing the final character.
· When M8091 is ON, the next device of the device storing the final character does not change.
568
Mnemonic
16-bit Instruction
P
5 steps COMRD
COMRDP
Device number in which comment to be read is registered
Head device number storing read comment
Digit Specification
FNC182
S D
COMRDP
S
24.1 FNC182 – COMRD / Read Device Comment Data
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
is read, and stored in ASCII codes in
S
b15
+0
ASCII code of 2nd character
D
+1
ASCII code of 4th character
+2 ASCII code of 6th character
+3
ASCII code of 8th character ASCII code of 7th character
ASCII code of 14th character ASCII code of 13th character
ASCII code of 16th character
24 Others – FNC181 to FNC189
Mnemonic
32-bit Instruction
−
−
Con- Real
Index
stant Number
V Z Modify K H E
D
b8 b7
ASCII code of 1st character
ASCII code of 3rd character
ASCII code of 5th character
ASCII code of 15th character
00H
Operation Condition
Data Type
Device name
Character string
Others
Charac-
Pointer
ter String
" " P
and later.
b0
Up to 16
characters
can be
stored.