GE Multilin MIB - Frame Structure

A-14 MIB High Impedance Bus Differntial Relay GEK-106426B
A.5 EVENTS APPENDIX A
A
A.5.1 FRAME STRUCTURE
For this example a MIB module version 1.00 will be used so the memory address and event sizes will correspond to this
module.
A.5.1.1 ‘ALL EVENTS’ READING
Request:
Reply:
A.5.1.2 EVENTS OPENING
Request:
Reply:
FIELD LENGTH
Relay address 1 Byte
Function 1 Byte (03H)
Initiation address 1 Word (High byte – Low byte)
No of registers 1 Word (0001H) (High byte – Low byte)
CRC 1 Word
FIELD LENGTH
Relay address 1 Byte
Function 1 Byte (03H)
No of bytes 1 Byte (02H)
Register value 1 Word (low byte – high byte)
CRC 1 Word
FIELD LENGTH
Relay address 1 Byte
Function 1 Byte (10H)
Initiation address 1 Word (0000H) (High byte – Low byte)
No of registers 1 Word (0001H) (High byte – Low byte)
No of bytes 1 Byte (02H)
Value of registers Register1=> 1300H (Low byte – High byte)
CRC 1 Word
FIELD LENGTH
Relay address 1 Byte
Function 1 Byte (10H)
Initiation address 1 Word (0000H) (High byte – Low byte)
No of registers 1 Word (0001H) (High byte – Low byte)
CRC 1 Word