Omron NT31 Series, Инструкции по эксплуатации

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569
Commands/Responses Section 9-3
d1
1
to d1
m
, ..., dn
1
to dn
m
:
Contents of the read words (1 to 4 hexadecimal digits)
0 to FFFF
H
Since initial zeroes are omitted, there may be less than 4 digits.
Individual words of data are delimited by commas.
s
1
, s
2
: Check sum (2 hexadecimal digits)
This is always added.
[Function]
S
Reads the contents of the specified number of words from the specified word of
the PT memory.
S Used to read the statuses of the PT notify area, window control area, lamps,
touch switches and bit memory tables allocated to the PT memory, and the con-
tents of numeral and character string memory tables.
S
A maximum of 100 words can be read at one time.
S In the response, maximum of 50 words can be returned at one time. If reading of
more than 50 words is specified, the response is split into two parts. In this case
the first part always contains 50 words of data. Note also that the “first word num-
ber read” in the second part of the responses will be the word number of the first
word in the response data.
Example
[Reading the PT status in the PT notify area (allocated words: 0010 to
0011)]
Assume that the following data is stored for PT notify area:
0123H
8000H
0010 CH
0011 CH
S
Command
1B 52
[ESC] 0 R
31 30 30 30
[CR]
0D 4D
M
30
0 0 0 1 0
30
2
32
No check sum (2 word read), first word read = 0010
S
Response
1B 52
[ESC]
8
R
30 30 31
33 2C 32 38
4D
M
30
0 0 1 0
1 2 3 , [CR]
30 0D
0
0
30
2
32
31 30
0
30
0
36
6
37
7