Omron NT20S Operation Manual page 174

Overview of Direct Connection Operations
Correct Use:
Reference: When NT link (1:N) is set, the PT status control area must be set for each con-
Notifying the Display Elements by Using Allocated Bits and Words
The PT status control area (PC to PT) can be allocated to the following PC
areas.
Symbol C Series PCs
DM Data Memory
CH Internal/Special Relay
TIM Timer
CNT Counter
HR Holding Relay
AR Auxiliary Relay
LR Link Relay
Since the special auxiliary relays of the CV series PCs are allocated to the system,
they cannot be used for purposes other than the system use.
Make sure there is no duplication in the PT status control area allocations and PT
status notify area allocations.
nected PT.
The NT20S will operate as follows in the display element notification operation.
[NT20S operation]
The NT20S will write any changes in the contents of the numeral or character-
string memory table being displayed or pressing of a touch switch to the bits and
words area in the PC.
[NT20S operation example]
NT20S
Touch switch #12
Bit009012
Numeral memory table 100
Numeral memory table0
0 4 3 2 Number of saved words
Copy
First word
Allocated CVM1/CV Series PCs
f
Data Memory
f
Internal/Special Relay
Timer
Counter
f
–
f
Auxiliary Relay
f
–
PC
Bit 009012:ON
DM0110:0432
: 1
: DM0110
Section 5-1
Allocated
f
f
f: OK
: NG
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