Omron NT-series Programmable Terminal V022-E3-1 - Manual (Page 169)


   
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Section 5-1
6-1-3 NT600S Status Control and Notification to PC
This section describes the fundamentals of the display elements, NT600S status
control, and notification which are the basics of the NT600S functions.
For the detail method of use of the PT status control area and the PT status notify
area, refer to Sections 5-4 NT600S Status Control (page 192) and 5-5 Notification
of the Operating Status to the PC (page 197).
Controlling the Display Elements by Using Allocated Bits and Words
The NT600S will operate as follows in the display element control operation.
[NT600S operation]
(1) The NT600S checks the allocation bits and words of the display elements and
makes an inquiry to the PC.
(2) The PC answers the NT600S about the bit and word data.
(3) The NT600S changes the display status according to the bits and words ob-
tained from the PC.
[NT600S operation example]
Lamp 0
DM0100 to DM0102?
Bit 010012
NT600S PC
(“a”, “b”)
(“c”, “d”)
(“e”, “f”)
Bit 010012?
Character-string memory table2 Numeral memory table0
First word : DM0100 First word : TIM003
Number of saved words : 3 Number of saved words : 1
TIM003?