ABB RETA-02 - Page 82

Communication
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unique identifiers for the connection, addressing information and
length of the record data. The response also contains two
additional fields for transferring information. See Table 16. for
details.
Table 16.Structure of the Read and Write blocks
Field(s) Description Range Type
Service Request or Response
service.
Request (0x00)
Response (0x80)
UI8
Operation Read or Write operation. Write (0x08)
Read (0x09)
UI8
Block
length
Length of the block. 0 … 0xFFFF UI16
ARUUID Identifier
- time low
- time mid
- time high and version
- clock
- node
UI32
UI16
UI16
Octet[2]
Octet[6]
API Application Process
Identifier
Device Access Point
(0x0000)
PROFIdrive
(0x3A00)
UI32
Slot Slot of the Module
Access Point (MAP/PAP)
0x01 UI16
Subslot Subslot of the Module
Access Point (MAP/PAP)
0x01 UI16
Padding 2 bytes
Index Index of the Record Data
Object
0x2F
0xB02E
0xB02F
UI16
Data length Length of the data block 0…0xFFFFFFFF UI32