GE VersaPoint IC220PBI002 User Manual page 139

Continue Fragment
Byte 1
Byte 2
...
Byte n
Byte 1 - Service in continue fragment
7
Request/
response
Bit 7
Bits 6 to 5
Bits 4 to 0
01
continue with 0 after 1Fhex.
End Fragment
Byte 1
Byte 2
...
Byte n
Byte 1 - Service in end fragment
7
Request/
response
Bit 7
Bits 6 to 5
Bits 4 to 0
GFK-1911B Chapter 8 Communications
Service
Data block, if required
Data block, if required
6 5
0 1
Request/response
0 = Request
1 = Response
Fragment type
01 = Continue fragment
Counter
to 0F Fragment number. If more fragments are required,
hex hex
Service
Data block, if required
Data block, if required
6 5
1 0
Request/response
0 = Request
1 = Response
Fragment type
10 = Last fragment (end fragment)
Reserved
4 3 2
Fragment number (01
4 3 2
Reserved
8
1 0
- 1F )
hex hex
1 0
8-19