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Introduction Section 6-1
C200HX/HG/HE PLCs
Note 1. Words in the Internal Relay Area 1 (IR 000 to IR 235) and Special Relay
Area 1 (SR 236 to SR 255) are continuous in memory, and any range of
words within these areas can be transferred in a single operation. The
same is true for Special Relay Area 2 (SR 256 to SR 299) and Internal Re-
lay Area 2 (IR 300 to IR 511). You cannot, however, transfer data in a range
that crosses the boundary between Special Relay Area 1 (SR 236 to SR
255) and Special Relay Area 2 (SR 256 to SR 299).
SR 253 to SR 255 cannot be written at the source node, even if they are
specified by the RECV instruction’s beginning receive word at the source
node.
2. For details on extended DM Area and the number of banks, refer to the op-
eration manual for the PLC model that is being used.
CVM1 and CV-series PLCs
Note 1. Writing is not possible to words G000 through G007 in the CPU Bus Link
Area.
2. Writing is not possible to words A256 through A511 in the Auxiliary Area.
3. Expansion DM can be used by mounting an Expansion DM Unit to a
CV1000/2000 or CVM1-CPU11/21 PLC. A maximum of eight banks can be
used, depending on the type of Expansion DM. For details, refer to the
CVM1 and CV-series PLC operation manuals.
CQM1H-series PLCs
Area Range
Internal Relay Area 1 IR 000 to IR 235 (See note 1.)
Special Relay Area 1 SR 236 to SR 255 (See note 1.)
Special Relay Area 2 SR 256 to SR 299 (See note 1.)
Internal Relay Area 2 IR 300 to IR 511 (See note 1.)
Link Relay LR 00 to LR 63
Holding Relay HR 00 to HR 99
Timer/Counter T/C 000 to T/C 511
Auxiliary Relay AR 00 to AR 27
DM Area DM 0000 to DM 6655
Extended DM Area EM 0000 to EM 6143 (See note 2.)
Area Range
CV500, CVM1-CPU01 CV1000/2000,
CVM1-CPU11/21
CIO Area CIO 0000 to CIO 2555
CPU Bus Link Area G000 to G255 (See note 1.)
Auxiliary Area A000 to A511 (See note 2.)
Timer Area T000 to T511 T000 T1023
Counter Area C000 to C511 C000 to C1023
DM Area DM0000 to DM8191 DM0000 to DM24575
Expansion DM Area --- EM00000 to EM32765 (See
note 3.)
Area Range
IR/SR Area IR 000 to SR 255 (See note 1.)
LR Area LR 00 to LR 63
HR Area HR 00 to HR 99
Timer/Counter Area TIM/CNT 000 to TIM/CNT 511
AR Area AR 00 to AR 27