Omron NT11 - 01-2004 User Manual page 126

Outline of Host Link/NT Link Operation
Words Allocated of the PT
Status Notify Area
Symbol C-series PLCs
None IR Area
H HR Area
A AR Area
L LR Area
T TC Area,
Timer PVs
TU ---
C TC Area,
Counter PVs
CU ---
W ---
TK ---
D DM Area
Screen switch notification:
New screen number:
By reading the currently displayed screen word when the screen switch strobe
flag has turned ON, the number of the currently displayed screen on the NT11
is displayed.
NT11
Currently
displayed
screen
[Currently displayed screen] and [PT status] words in the PT status
notify area
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
Word
Screen No. (4-digit BCD)*
m
* Screen number: 0001 to 0250
PT status
m+2
15 14 13 12 11 10 9 8 Bit
- 0 0
m+2
Use a 4-digit BCD (binary-coded decimal) value to set a screen number.
The screen switch strobe bit reverts to OFF (0) after this is notified to the PLC.
• Available allocation words
The PT status notify area (PT to PLC) can be allocated to the following
PLC areas.
Words can be allocated for the PT status notify area (PT ® host) in the follow-
ing host (PLC) areas.
Allocation CV-series PLCs
OK CIO Area
OK ---
OK Auxiliary Area
OK ---
No Timer Area,
Timer PVs
--- ---
No Counter Area,
Counter PVs
--- ---
--- ---
--- ---
OK DM Area
Screen switch strobe flag of the PT status word
Currently displayed screen word
PLC
PT status notify area
Currently displayed screen
Content upgrade memory table entry
PT status
Screen switch setting
PT status
0 0
- 0 0 0
Allocation CS/CJ-series PLCs
OK CIO Area
--- HR Area
No AR Area
--- *1
LR Area
No TC Area,
Timer PVs
--- TC Area,
Timer Completion Flags
No TC Area,
Counter PVs
--- TC Area,
Counter Completion Flags
--- WR Area
--- Task Flags
OK DM Area
Section 5-2
Screen number
Screen switch
strobe flag
Screen switch strobe
Allocation
OK
Not for Host
Link
OK
Not for Host
Link
No
No
No
No
Not for Host
Link
No
OK
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