Mitsubishi Electric MELSEC iQ-F Series Training Manual page 18

Number of device points
Item
No. of user device Input relay (X)
points
Output relay (Y)
Internal relay (M)
Latch relay (L)
Link relay (B)
Annunciator (F)
Link special relay (SB)
Step relay (S)
Timer system
Accumulation
timer system
Counter
system
Data register (D)
Link register (W)
Link special register (SW)
No. of system device Special relay (SM)
points
Special register (SD)
Module access device Intelligent function module device
No. of index register Index register (Z)
points
Long index register (LZ)
No. of file register File register (R)
points
No. of nesting points Nesting (N)
No. of pointer points Pointer (P)
Interrupt pointer (I)
Others Decimal
constant (K)
Hexadecimal constant (H)
Real constant
(E)
Character string
*1 Can be changed with parameters within the capacity range of the CPU built-in memory.
*2 Total of the index register (Z) and long index register (LZ) is maximum 24 words.
Base Max. number of points
8 1024 points
8 1024 points
10 32768 points (can be changed with parameter)
10 32768 points (can be changed with parameter)
16 32768 points (can be changed with parameter)
10 32768 points (can be changed with parameter)
16 32768 points (can be changed with parameter)
10 4096 points (fixed)
Timer (T) 10 1024 points (can be changed with parameter)
Accumulation timer 10 1024 points (can be changed with parameter)
(ST)
Counter (C) 10 1024 points (can be changed with parameter)
Long counter (LC) 10 1024 points (can be changed with parameter)
10 8000 points (can be changed with parameter)
16 32768 points (can be changed with parameter)
16 32768 points (can be changed with parameter)
10 10000 points (fixed)
10 12000 points (fixed)
10 65536 points (designated by U\G)
*2
10 24 points
*2
10 12 points
10 32768 points (can be changed with parameter)
10 15 points (fixed)
10 4096 points
10 178 points (fixed)

Signed 16 bits: -32768 to +32767, 32 bits: -2147483648 to +2147483647

Unsigned 16 bits: 0 to 65535, 32 bits: 0 to 4294967295

16 bits: 0 to FFFF, 32 bits: 0 to FFFFFFFF
Single precision  E-3.40282347+38 to E-1.17549435-38, 0, E1.17549435-38 to E3.40282347+38

Shift-JIS code max. 255 single-byte characters (256 including NULL)
The total number of X and Y assigned to input/output points is up to
256 points.
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
2.6 Performance Specifications
2 SPECIFICATIONS
29
2