Omron NT21 Reference Manual page 102

Memory Tables
Common Attributes
Symbol C-series PCs
None IR Area
H HR Area
A AR Area
L LR Area
TC Area,
T
Timer PVs
TU ---
TC Area,
C
Counter PVs
CU ---
W ---
TK ---
D DM Area
*2
EM Area ,
E
current bank
E0_ to
---
EC_
86
Bit memory table entries have the following common properties.
Property Property
Function None/Switch screen/Alarm
Function of the bit memory table entry
When None is set, nothing will happen even if the host bit allocated for
the table entry turns ON.
Description
Indicates the settings particular to each function.
PC
Any bit address at the host
Address Address
Host bit allocated for the bit memory table entry
I/O Up to 16 characters of text
Comment Comment
Comment that describes the meaning of a bit memory table entry
Allocated Bits
Bits can be allocated for bit memory table entries in the following host (PC)
areas.
Allocation CV-series PCs
OK CIO Area
OK ---
OK Auxiliary Area
OK ---
Timer Area,
No
Timer PVs
--- ---
Counter Area,
No
Counter PVs
--- ---
--- ---
--- ---
OK DM Area
EM Area,
OK
current bank
--- ---
*1: LR 00000 to LR 00199 are converted to CIO 01000 to CIO 01199.
*2: The EM Area is supported only by the C200HX/HG/HE(-Z)E PCs.
The Auxiliary Area of the CVM1 and CV-series PCs is allocated to system func-
tions, and it cannot be used for purposes other than system use.
The range of each memory area differs according to the PC. Refer to Appendix D
PC Memory Maps on page 435.
Possible Settings
Meaning
Allocation CS/CJ-series PCs
OK CIO Area
--- HR Area
No AR Area
*1
--- LR Area
TC Area,
No
Timer PVs
TC Area,
---
Timer Completion Flags
TC Area,
No
Counter PVs
TC Area,
---
Counter Completion Flags
--- WR Area
--- Task Flags
OK DM Area
Not for EM Area,
Host Link current bank
EM Area,
---
EM banks 0 to C
Section 2-3
Allocation
OK
Not for
Host Link
OK
Not for
Host Link
No
Not for
Host Link
No
Not for
Host Link
Not for
Host Link
Not for
Host Link
OK
Not for
Host Link
Not for
Host Link