Mitsubishi Electric MELSEC iQ-R Series - Page 79

7 PERFORMANCE SPECIFICATIONS
7.1 CPU Module
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*1 For the setting range, refer to the following.
Page 450 Device Setting
*2 These are the maximum points that can be handled in the CPU module. The number of points actually used differs depending on the
module used.
*3 The maximum point differs depending on the parameter setting (Multiple CPU Setting).
*4 These devices are used in SFC programs. For details on SFC programs, refer to the following.
 MELSEC iQ-R Programming Manual (Program Design)
*5 Before using, check the versions of the CPU module and engineering tool used. ( Page 747 Added and Enhanced Functions)
*6 The Process CPU (redundant mode) does not support these items.
*7 In the Process CPU (redundant mode), the SFC program cannot be set to be executed in both systems.
*8 In the Process CPU (redundant mode), the POFF(P) and PSCAN(P) instructions cannot be used for the SFC program.
Number of system
device points
Special relay (SM) 4096 points (fixed)
Special register (SD) 4096 points (fixed)
Function input (FX) 16 points (fixed)
Function output (FY) 16 points (fixed)
Function register (FD) 5 points  4 words (fixed)
Number of file
register points
(default)
File register (R/ZR) 0 points (user-changeable)
*1
Number of index
register points
(default)
Index register (Z) 20 points (user-changeable, up to 24 points)
Long index register (LZ) 2 points (user-changeable, up to 12 points)
Number of pointer
points
Pointer (P) (global/local)
(default)
8192 points (user-changeable, up to 16384 points) 16384 points (user-
changeable, up to
32768 points)
Interrupt pointer (I) 1024 points (fixed)
Number of link
direct device points
Link input (J\X) 16384 points maximum
*2
Link output (J\Y) 16384 points maximum
*2
Link relay (J\B) 32768 points maximum
*2
Link register (J\W) 131072 points maximum
*2
Link special relay (J\SB) 512 points maximum
*2
Link special register (J\SW) 512 points maximum
*2
Number of module
access device
points
Intelligent function module device
(U\G)
268435456 points (Max.)
*2
Number of CPU
buffer memory
access device
points
Buffer memory (U3E\G) 524288 points
Fixed scan communication area in the
buffer memory (U3E\HG)
*6
12288 points maximum
*3
Number of refresh
data register points
(default)
Refresh data register (RD) 524288 points (1048576 points maximum)
Number of nesting
points
Nesting (N) 15 points
Number of other
device points
SFC block device (BL)
*4*5
320 points
SFC transition device (TR)
*4*5
0 points (Used only as device comments.)
Item R08PCPU R16PCPU R32PCPU R120PCPU