IAI America TTA - Manual (Page 50)

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4-3-32. Real Variable Change (24DH)
Function: Change real variables for the number of change data from the change 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 '24D(h)' 3 6  
Program number 'XX(h)' 2 8   ‘00’ in the case of a global variable
Change start variable
number
'XXX(h)' 3 11  
Number of change
variable data
'XX(h)' 2 13   The number of data will be limited based on the
send/receive buffers.
Real variable data
(*1) 'XXXXXXXXXXXXX
XXX(h)'
16 29   Hexadecimal ASCII code of double-type data
Remaining real
variable data
Data indicated by *1
for the number of
remaining data
MAX
4064 MAX
4093   Data indicated by *1 x Number of remaining data
= 16 bytes x Max (FFh – 1) = Max 4064 bytes
SC 'XX(h)' 2
MAX
4095
 
CR 0Dh 1
MAX
4096
 
LF 0Ah 1
MAX
4097  
Normal response
Header '#' 1 1  
Station 'XX(h)' 2 3  
Message ID '24D(h)' 3 6  
Program number 'XX(h)' 2 8   ‘00’ in the case of a global variable
Change start variable
number
'XXX(h)' 3 11  
Number of changed
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  
Error
respon
se
Error response
format Refer to the error
response format.
10 10  
(Note 1) Add H (or h) at the end of each data expressed in hexadecimal notation. If there is no H or h at the end, the data is considered a decimal.
(Note 2) Data enclosed in single quotation marks indicates an ASCII code. Data is a hexadecimal ASCII code if (h) is added before the closing quotation mark, or a decimal ASCII code if (d) is
added before the closing quotation mark.