Omron NT21 User Manual

2-2SectionAreas for Control/Notification
62
Symbol AllocationCS/CJ-series PCsAllocationCV-series PCsAllocationC-series PCs
A AR Area OK Auxiliary Area No AR Area OK
L LR Area OK --- --- LR Area
*1
Not for
Host Link
T
TC Area,
Timer PVs
No
Timer Area,
Timer PVs
No
TC Area,
Timer PVs
No
TU --- --- --- ---
TC Area,
Timer Completion Flags
No
C
TC Area,
Counter PVs
No
Counter Area,
Counter PVs
No
TC Area,
Counter PVs
No
CU --- --- --- ---
TC Area,
Counter Completion Flags
No
W --- --- --- --- WR Area
Not for
Host Link
TK --- --- --- --- Task Flags No
D DM Area OK DM Area OK DM Area OK
E
EM Area
*2
,
current bank
OK
EM Area,
current bank
Not for
Host Link
EM Area,
current bank
Not for
Host Link
E0_ to
EC_
--- --- --- ---
EM Area,
EM banks 0 to C
Not for
Host Link
*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.
Functions of the PT Status Notify Area
Reference: When the PT is set to NT20S or NT30/620 compatible mode, there are 3 words in
the PC status notify area instead of 2 words. The added first word indicates which
screen is currently being displayed at the PT and the original two words are
shifted down. Refer to Appendix C for details on the NT20S and NT30/620 com-
patible modes.
Updated Memory Table Entry Number
When the contents of a numeral/character string memory table entry has been
changed by operation at the PT, the number of the memory table entry subject to
the change is written to the content update memory table entry number word as
a 4-digit BCD or hexadecimal value. Whether the value is expressed in BCD or
hexadecimal is determined by the setting for numeral storage type in the PT con-
figuration settings made with the Support Tool. The classification of memory
table entry can be determined by whether the numeral setting strobe flag or

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English