Mitsubishi Electric MELSEC-Q series Programming Manual page 61

 Section number and general description of the instruction
 "O" is appended to those devices that can be used with the instruction. The classes of use into which the devices that can
be used are divided are as follows.
Device Internal Device (system,
Classificat user)
ion
Bit Word
Usable X, Y, M, L, T, ST, C
*4
devices SM, F, B, SB, W, SD, SW,
*2
FX, FY FD, @
*1 The devices that can be set are indicated in the "Constant" and "Other" columns.
*2 FX and FY can only be used with bit data, and FD can only be used with word data.
*3 Can be used with MELSECNET/G, MELSECNET/H and MELSECNET/10.
*4 For explanation of each device, refer to the User's Manual (Function Explanation, Program Fundamentals) of the CPU module used, or
the QnACPU Programming Manual (Fundamentals).
*5 T, ST and C can be used as the word devices only.
 Indicates the expressions and instruction execution conditions in the ladder mode.
Execution Condition
Symbol used on the explanation page
 Explains the set data for each instruction and indicates the data type.
Data Type Description
16-bit binary Indicates that binary 16-bit data or the first number of a word device can be used.
 Indicates the function of the instruction.
 This shows a CPU module to which instructions are given.
: Usable, : Usable on condition, : Unusable
 Indicates the conditions that will cause errors and the error numbers.
File MELSECNET/10
*3
Register (H)J\
Bit
*5
, D, R, ZR J\X
J\Y
J\B
J\SB
Executed while ON
Special Index
Function Register
Module Zn
Word
U\G
J\W U\G Z
J\SW
Executed once at OFF  ON
7 HOW TO READ EXPLANATIONS FOR INSTRUCTIONS
*1 *1
Constant Other
Decimal number P, I, J, U, DX,
Hexadecimal DY, N, BL,
number TR, BL\S, V
Real number
constant
Character string
constant
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