Industrial
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User Manual
OPC UA Server / Serial
Document code: MN67B26_ENG Revision 1.000 Page 22 of 29
SERIAL PROTOCOL:
In order to read and write the data from IEC 61850 side, it is enough to send some simple commands on Serial port.
Reading data from HD67B26 (OPC UA
Serial)
MODE 1
Request:
Byte Number
Description
1
‘O’ (0x4F)
2
‘P’ (0x50)
3
‘C’ (0x43)
4
‘U’ (0x55)
5
‘A’ (0x41)
6
‘R’ (0x52)
7
‘.’ (0x2E)
8÷10
Index of OPC UA variable defined in “OPC UA Access”
section (in relation to their definition)
Response:
Byte Number
Description
1
‘D’ (0x44)
2
‘:’ (0x3A)
3 ÷ x
Data