Dataman S4 - Manual (Page 88)

DATAMAN S4 MANUAL
88 Motorola S Format
S2 Data with 3 Byte Address
Position Character
1-2 "S2"
3-4 Record length. Number of data
bytes plus 4 (3 for address & 1
for checksum).
5-10 3 byte address as 6 HEX
characters Most Significant
Byte first.
11-N Data bytes in hexadecimal,
each byte is two HEX
characters.
N+1,2 Negation of checksum of bytes
excluding "S2". Makes the line
add up to "FF".
N+3,4 Carriage Return & Line Feed.
S3 Data with 4 Byte Address
Position Character
1-2 "S3"
3-4 Record length = data bytes
plus 5 (4 for address & 1 for
checksum).
5-12 4 byte address as 8 HEX
characters Most Significant
Byte first.
13-N Data bytes in hexadecimal,
each byte is two HEX
characters.
N+1,2 Negation of checksum of bytes
excluding "S3". Makes the line
add up to "FF".
N+3,4 Carriage Return & Line Feed.