Mitsubishi F940GOT-SWD-E Operation Manual page 39

Graphic Operation Terminal F940GOT
- 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
Size
Data
Response
ACK
Example: When 2-byte data is written to the address 120H (format = Type 2)
Command
STX '1'
02H 31H
120H stores the upper side of the word data D144. 121H stores the lower side of the
word data D144. The value of D144 after write is 3E75H (= 15989).
'1' Write Adress
stored in the GOT. The write address should be specified in turn from the
upper digit.
:In the unit of byte, specify the size of the write data (01H to FFH). The
maximum allowable 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).
: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).
'0' '1' '2'
30H 31H 32H 30H
Response
ACK
06H
Size Data 1
'0' '0' '2' '3'
30H 32H 33H 45H
Memory inside GOT
120
121
Each data is expressed
in hexadecimal.
Data 2
Type 2 may be used.
'E' '7' '5' ETX
37H 35H 03H 33H
3E
75
Introduction 1
CR
'3' 'D'
44H
1-25