User`s manual

Graphic Operation Terminal F930GOT Introduction 1

1-33

- Write : Overwrite the data stored in the GOT.

"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).

CRSizeSTX Write address'1'

Type 2 may be used.

Command

Data 1 Data 2

ACK

Response

Example: When 2-byte data is written to the address 120H (format = Type 2)

STX

Command

'1' '0' '1' '2' '0' '0' '2' 'E' '7'

02H 31H 30H 31H 32H 30H 30H 33H 45H 37H32H

'5' ETX '3' 'D''3'

35H 03H 33H 44H

ACK

Response

06H

Memory inside GOT

120

121

Each data is expressed

in hexadecimal.

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).