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104
Outline of Host Link / NT Link Operation
Section 5-1
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 NT11S is dis-
played.
[Currently displayed screen] and [PT status] words in the PT status notify
area
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 PC.
S
Available allocation words
The PT status notify area (PT to PC) can be allocated to the following PC areas.
Symbol
Arear Name
Allocated
DM
Data memory
f
CH
Internal/Special Relay
f
TIM
Timer
×
CNT
Counter
×
HR
Holding Relay
f
AR
Auxiliary Relay
f
LR
Link Relay
f
f
: OK
×
: NG
The range of respective area varies with the type of PC. Refer to Appendix H PC
Memory Map (page 160).
NT11S
PC
Currently
displayed
screen
PT status notify area
Currently displayed screen
Screen number
Content upgrade memory table
PT status
Screen switch
strobe flag
15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
--
0
0
--
0
0
0
Word
m
15 14 13 12 11 10 9
8 Bit
Screen No. (4-digit BCD)*
PT status
0
0
PT status
* Screen number: 0001 to 0250
m+2
m+2
Screen switch strobe
Screen switch setting
Summary of Contents for NT11S
Page 1: ...Cat No V029 E1 2 NT11S Programmable Terminal OPERATION MANUAL ...
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Page 5: ...iii NT series Programmable Terminal Operation Manual Produced June 1997 ...
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