Mitsubishi Electric FX5 User Manual page 229

Two's complement is designated (Two's complement for 0000 0015H: FFFF FFEBH)
When Code Type is ASCII Decimal, the lower one word is extracted and converted from hexadecimal to decimal.
(hexadecimal: FFEBH, decimal: 65515)
Code type Data length (Values in ( ) indicate ASCII code.)
1 byte

ASCII hexadecimal

ASCII decimal

HEX
Calculation procedure for sum check
The following show procedures for calculating sum check codes using the following sample data.
STX "Q"
For the data shown above
Sum check value = 51H + 4AH + 37H + 31H + 43H + 32H + 34H + 4EH + 03H = 1FDH
■Data Flow: Forward Direction (Data Length: 1)
No complement calculation is designated
(Reference) Hexadecimal: 1FDH, Decimal: 509
Code type Data length (Values in ( ) indicate ASCII code.)
1 byte
ASCII hexadecimal D (44H)
ASCII decimal 9 (39H)
HEX FDH
One's complement is designated (One's complement for 0000 01FDH: FFFF FE02H)
When Code Type is ASCII Decimal, the lower one word is extracted and converted from hexadecimal to decimal.
(hexadecimal: FE02H, decimal: 65026)
Code type Data length (Values in ( ) indicate ASCII code.)
1 byte
ASCII hexadecimal 2 (32H)
ASCII decimal 6 (36H)
HEX 02H
Two's complement is designated (Two's complement for 0000 01FDH: FFFF FE03H)
When Code Type is ASCII Decimal, the lower one word is extracted and converted from hexadecimal to decimal.
(hexadecimal: FE03H, decimal: 65027)
Code type Data length (Values in ( ) indicate ASCII code.)
1 byte
ASCII hexadecimal 3 (33H)
ASCII decimal 7 (37H)
HEX 03H
2 byte



"J" "7" "1"
Calculating range
2 byte
FD (46H 44H)
09 (30H 39H)
01FDH
2 byte
02 (30H 32H)
26 (32H 36)
FE02H
2 byte
03 (30H 33H)
27 (32H 37H)
FE03H
Appendix 2 Operation Image and Data Structure of Predefined Protocol
3 byte



"C" "2" "4"
3 byte
1FD (31H 46H 44H)
509 (35H 30H 39H)
0001FDH
3 byte
E02 (45H 30H 32H)
026 (30H 32H 36H)
FFFE02H
3 byte
E03 (45H 30H 33H)
027 (30H 32H 37H)
FFFE03H
4 byte
FFBE (46H 46H 42H 45H)
5551 (35H 35H 35H 31H)
FFFFEBFFH
Sum
"N" ETX
check
4 byte
01FD (30H 31H 46H 44H)
0509 (30H 35H 30H 39H)
000001FDH
4 byte
FE02 (46H 45H 30H 32H)
5026 (35H 30H 32H 36H)
FFFFFE02H
4 byte
FE03 (46H 45H 30H 33H)
5027 (35H 30H 32H 37H)
FFFFFE03H
APPENDIX
A
227