Mitsubishi Electric F930GOT-BWD-E User Manual page 46

Graphic Operation Terminal F930GOT
- Write : Overwrite the data stored in the GOT.
Command
STX
"1" at the head indicates a write command.
Write address:
Using ASCII codes, specify the head address (hexadecimal) of the data stored in the
GOT. The write address should be specified in turn from the upper digit.
Size:
In the unit of byte, specify the size of the write data (01H to FFH). The maximum allow-
able size is 255 bytes. "FFH" indicates 255 bytes. The size should be specified in the
order of upper digit and lower digit (in ASCII codes).
Data:
Sort the write data in the ascending order of address.
Convert one-byte data into ASCII codes, and sort it in the order of upper digit and lower
digit.
The maximum allowable number of data is 255 (510 after converted into ASCII codes).
Response
ACK
Example: When 2-byte data is written to the address 120H (format = Type 2)
Command
STX
02H 31H 30H 31H 32H 30H 30H
Response
ACK
06H
120H stores the upper side of the word data D144. 121H stores the lower side of the word
data D144. The value of D144 is 3E75H (= 15989).
'1' Write address
'1' '0' '1' '2'
Size Data 1
'0' '0' '2' '3'
32H 33H 45H 37H
Data 2
Type 2 may be used.
'E' '7' '5' ETX
35H 03H 33H 44H
Memory inside GOT
120
3E
121
75
Each data is expressed
in hexadecimal.
Introduction 1
CR
'3' 'D'
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