Nt30/30C Status Control And Notification To Pc - Omron NT30 Operation Manual

Outline of Host Link and NT Link Operations

5-1-3 NT30/30C Status Control and Notification to PC

Controlling the Display Elements Using Allocated Bits and Words
Controlling the NT30/30C Status Using Allocated Bits and Words ..... PT Status Control Area (PC to PT)
This section describes the fundamentals of the display elements, NT30/30C sta-
tus control, and notification, which are the basics of the NT30/30C functions.
For details on using the PT Status Control Area and the PT Status Notify Area,
refer to 5-7 NT30/30C Status Control (page 239) and 5-8 Notification of the Oper-
ating Status to the PC (page 244).
The NT30/30C will operate as described below in the display element control op-
eration.
NT30/30C Operation
(1) The NT30/30C checks the allocation bits and words of the display elements
and makes an inquiry to the PC.
(2) The PC answers the NT30/30C about the bit and word data.
(3) The NT30/30C changes the display status according to the bits and words
obtained from the PC.
NT30/30C Operation Example
Lamp 0
IR/CIO 010012
Character string memory table entry Numeral memory table entry0
First word:
Number of saved words: 3
The PT Status Control Area (PC to PT) is provided to control the NT30/30C sta-
tus from the PC. When data is written to this area in the PC, the NT30/30C will
read the data and operates according to the data. The PT Status Control Area is
configured as four consecutive words as shown below.
Word 15 14 13 12 11 10
n
n+1
0
n+2
Copy type
n+3
PT status control bits
The first word (word n) of the PT Status Control Area must be set with the NT-se-
ries Support Tool.
NT30/30C
IR/CIO 010012
TIM003
DM0100 to DM0102?
DM0100, First word: TIM003
Number of saved words: 1
9 8 7 6 5 4
Screen No. (4-digit BCD)
Copy source memory table entry # (3-digit BCD)
Copy destination memory table entry # (3-digit BCD)
Section
PC
("a", "b")
("c", "d")
("e", "f")
3 2 1 0 Bit
Screen switch
setting
Copy memory
table entry set-
ting
PT status con-
0 0 0 0 0
trol
5-1
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