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
