Balluff BNI CCL-502-100-Z001, Руководство пользователя, Страница: 58 / 193

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17
6 Acyclic messaging
6.3. Request/response
data
The following table shows what kind of data is transferred in the different request/response
data blocks.
Note
Byte 1 – Length, unit of length is Byte
Byte 2 – Control (Status)
•
for request message (PLC
→
CCL-502) = Control (Read or Write)
•
for response message (CCL-502
→
PLC) = Status (result of the
request)
Gateway
identification
Byte No. Item
Gateway
Identification data
Byte 0
Access
code 0x10
Byte 1 Length 0-64
Byte 2
Control
(Status)
Read only
Byte 3 Index Index
Byte 4
Message
data
Response Data
(Length = 0-64 Bytes)
to
Byte 67
Byte 68
Unused
to
Byte 252
IO-Link channel
settings
Byte No. Item
IO-Link Channel
Process data size Validation data
Byte 0
Access
code 0x20 0x21
Byte 1 Length 4 24
Byte 2
Control
(Status)
Read / Write Read / Write
Byte 3
Port
Number
Reserved
(Fixed to 0) IO-Link Channel Number
Byte 4
Message
data
IO-Link Channel 0
Validation type
Byte 5
IO-Link Channel 1
Reserved
(Fixed to 0)
Byte 6
IO-Link Channel 2 Vendor ID1
Byte 7
IO-Link Channel 3 Vendor ID2
Byte 8
Unused
Device ID1
Byte 9
Device ID2
Byte 10
Device ID3
Byte 11
Reserved
(Fixed to 0)
Byte 12
Serial Number1
to
to
Byte 27
Serial Number16
to
Unused
Byte 252