Omron NT20, User Manual

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Memory Tables and Bar Graphs Section 5-2
• Initialization Setting
Set whether or not the PLC words are initialized with the numeral memory
table initial value registered to the screen data memory when the main
power supply is turned ON or reset.
• Number of Registration Words
Set the number of words within 2 words required for registering the numer-
al data. One word can store up to 4 digits. Two words can store up to 8 dig-
its.
• Setting the Words for the Numeral Memory Table
The numeral memory table entries can be allocated to the following PLC
words. Set the word type and the first word.
❍
: OK : 1 word only
×
: NG
Since the AR area bits of the CVM1/CV series PLCs are allocated to the sys-
tem, they cannot be used for purposes other than the system use.
Note (1) LR 00000 to LR 00199 are converted to CIO 01000 to CIO 01199.
(2) The EM Area is supported only by C200HX/HG/HE-(Z)E PLCs.
5-2-1 Displaying the Contents of Allocated Words of Memory Table
Entries
The relationship between the contents of the allocated words of numeral and
character string memory table entries and the display is described below.
• Contents of the Numeral Memory Table
Numerals are stored in the allocated words as shown below.
Symbol C-series Alloca-
tion
CVM1/CV -series Alloca-
tion
CS/CJ-series Alloca-
tion
None IR Area
❍
CIO Area
❍
CIO Area
❍
H HR Area
❍
--- --- HR Area Not for
Host Link
A AR Area
❍
AR Area
×
AR Area
❍
L LR Area
❍
--- --- LR Area (See note 1.) Not for
Host Link
T TC Area
Timer PVs TC Area
Timer PVs TC Area
Timer PVs
TU --- --- --- --- TC area,
Timer Completion Flags
×
C TC Area
Counter PVs TC Area
Counter PVs Not for
Host Link
TC Area
Counter PVs
CU --- --- --- --- TC area,
Counter Completion Flags
×
W --- --- --- --- WR Not for
Host Link
TK --- --- --- --- Task Flags
×
D DM Area
❍
DM Area
❍
DM Area
❍
E EM Area
(See note 2.)
❍
EM Area
Current bank Not for
Host Link
EM Area
Current bank Not for
Host Link
E0_to EC_ --- --- --- --- EM Area
EM bank 0 to C Not for
Host Link