IAI America TTA - Manual (Page 24)

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4-3-10. Real Variable Query (20FH)
Function: Query real variables for the number of query data from the query start variable number.
Data name Data range (value)
Data size
[bytes]
Cumulative
bytes [bytes]
Endian Sign extension
Unit Description Remarks
Big Little Yes No
Command
Header '!' 1 1  
Station 'XX(h)' 2 3  
Message ID '20F(h)' 3 6  
Program number 'XX(h)' 2 8   ‘00(h)’ in the case of global variable specification
Query start variable
number
'XXX(h)' 3 11  
Number of query
variable data
'XX(h)' 2 13  
The number of data will be limited based on the
send/receive buffers.
SC 'XX(h)' 2 15  
CR 0Dh 1 16  
LF 0Ah 1 17  
Normal response
Header '#' 1 1  
Station 'XX(h)' 2 3  
Message ID '20F(h)' 3 6  
Program number 'XX(h)' 2 8   ‘00(h)’ in the case of global variable specification
Response start
variable number
'XXX(h)' 3 11  
Number of response
variable data
'XX(h)' 2 13  
The number of data will be limited based on the
send/receive buffers.
Selected in accordance with the c
ondition
[Format supported in X-SEL-J/K V0.41 or earlier, or when Bit0 to 3 of Other parameter No. 46 = 0]
Real variable
data (*1)
''XXXXXXXXXXXX
XXXX(h)'
16 29 
Hexadecimal ASCII code representing lower 4
bytes + upper 4 bytes of double-type data
(Example) Variable data 0x0123456789ABCDEF
(binary)
In the message, the following data will be set
from the beginning:
'8''9''A''B''C''D''E''F''0''1''2''3''4''5''6''7'
(0x38394142434445463031323334353637
(binary))
Format supported in conditions other than the above
Real variable
data (*1)
''XXXXXXXXXXXX
XXXX(h)'
16 29  
Hexadecimal ASCII code representing
double-type data
(Example) Variable data 0x0123456789ABCDEF
(binary)
In the message, the following data will be set
from the beginning:
'0''1''2''3''4''5''6''7''8''9''A''B''C''D''E''F'
(0x30313233343536373839414243444546
(binary))