Omron SYSMAC CP Series, User Manual, Page: 86 / 578

5 I/O Memory
5-6
CP2E CPU Unit Software User’s Manual(W614)
5-1-3 I/O Memory Areas
Name No. of bits Word addresses Remarks Reference
CIO Area Input Bits 1,600 bits
(100 words) CIO 0 to CIO 99
−
Refer to 5-2 I/O Bit s .
Output Bits 1,600 bits
(100 words) CIO 100 to CIO 199
−
Serial PLC
Link Words 1,440 bits
(90 words) CIO 200 to CIO 2 8 9
−
Refer to Section 14 Serial
Communication s .
Work Area (W) 2,04 8 bits
(12 8 words)
W0 to W127
−
Refer to 5- 3 Work Area
(W).
Holding Area (H) 2,04 8 bits
(12 8 words)
H0 to H127 Automatically retained
even if the power supply is
interrupted. Refer to 5-4 Holding Area
(H).
Data Memory
Area (D) E -type
CPU Unit
64K bits
(4K words) D0 to D4095 Automatically retained
even if the power supply is
interrupted.
Data in specified words of
the DM Area can be
retained in the built-in
Flash Memory by using a
bit in the Auxiliary Area.
Applicable words: D0 to
D1499
Refer to 5-5 Data Memory
Area (D).
S -type
CPU Unit
12 8 K bits
( 8 K words)
D0 to D 8 191 Automatically retained
even if the power supply is
interrupted.
Data in specified words of
the DM Area can be
retained in the built-in
Flash Memory by using a
bit in the Auxiliary Area.
Applicable words: D0 to
D6999
N -type
CPU Unit
256K bits
(16K words) D0 to D16 383 Automatically retained
even if the power supply is
interrupted.
Data in specified words of
the DM Area can be
retained in the built-in
Flash Memory by using a
bit in the Auxiliary Area.
Applicable words: D0 to
D14999
Timer Area (T) Present values 256 T0 to T255
−
Refer to 5-6 Timer Area
(T).
Timer Comple-
tion Flags 256
Counter Area (C) Present values 256 C0 to C255 Automatically retained
even if the power supply is
interrupted. Refer to 5-7 Counter Area
(C).
Counter Com-
pletion Flags 256
Index Register
(IR) Index registers 16 IR0 to IR15
−
Refer to 5- 8 Index Regi s -
ter (IR)
Data Register (DR) Data registers 16 DR0 to DR15
−
Refer to 5-9 Data Regi s ter
(DR)
Auxiliary Area
(A) Read only 7,16 8 bits
(44 8 words)
A0 to A447 Specific addresses at star-
tup are automatically
retained even if the power
supply is interrupted. Refer to A-2 Auxiliary Area
Allocation s by Addre ss .
Read-write 8 ,192 bits
(512 words)
A44 8 to A959