Omron NT21 Series, Reference Manual

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4-3 Section Commands/Responses
367
Response
Format
Data of 1 word
Data of 1 word
1B 52
[ESC] R t3 t4
4E
N t1 l1 l2 t2
2C 0D
d11 d1m
,
dn1 dnm s1 s2 [CR]
* * * * * * * * * * * *
* * * * * * * * * * * *
t
1
to t
4
: First numeral memory table number read (4 BCD digits)
0000 to 1999
l
1
, l
2
: Number of read tables (2 BCD digits)
01 to 20: 1 to 20 tables
d1
1
to d1
m
, ..., dn
1
to dn
m
:
Contents of the read numeral memory tables (1 to 8 hexadeci-
mal digits)
0 to FFFFFFFF
H
Since initial zeroes are omitted, there may be less than 8 digits.
The data for individual tables is delimited by commas.
s
1
, s
2
: Check sum (2 hexadecimal digits)
This is always added.
Function
•
Reads the data from the specified number of numeral memory tables, starting
from the specified numeral memory table.
•
A maximum of 100 tables can be read at one time.
•
In the response, the data of maximum of 20 tables can be returned at one time.
If reading of more than 20 tables is specified, multiple responses are made,
each comprising the data of 20 tables. Note that the first word number read in
the second and later responses will be the word number of the first word of the
response data.
4-3-3 Character String Memory Table Read Command
(Sent from Host to PT)
Command
Format
1B 52
[ESC]
[CR]
R
0D
53
S m t1 t2 t4
(l1) (l2) (s1) (s2)
t3
* * * * * * * * * *
* * * * * * * *
m : Check sum present/absent (1 BCD digit)
0 : Absent
1 : Present
8 : Absent (1 table read)
9 : Present (1 table read)
t
1
to t
4
: First character string memory table read (4 BCD digits)
0000 to 1999
l
1
, l
2
: Number of read tables (2 BCD digits)
01 to 20
:1 to 20
When m is 8 or 9, omit this setting.
s
1
, s
2
: Check sum (2 hexadecimal digits)
When m is 0 or 8 omit this setting.
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