D-2
G650 Generator Protection & Control System
GEK-113285A
D.2 TECHNICAL DESCRIPTION
APPENDIX D
D
D.2TECHNICAL DESCRIPTION
ASDU is the information unit used for data transmission. An ASDU may have data inside or not. The ASDU is encapsulated
in another package of the link layer. ASDU address takes up 2 bytes.
Communication frames can be control or data frames. Control strings do not have ASDU inside.
A frame is consist on 3 parts. (2 of them are not always present):
Link data + [ASDU [ASDU data]]
The data between brackets can be omitted
In IEC104 communication is made by TCP/IP protocols. Actually, it is a TCP communication. The default port is the 2404.
The G650 is listening as a server. Only one client is attended at time.
Summary of Contents for Multilin G650
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Page 426: ...GEK 113285A G650 Generator Protection Control System A 31 APPENDIX A A 1 LOGIC OPERANDS A ...
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Page 587: ...C 22 G650 Generator Protection Control System GEK 113285A C 8 ANALOG INPUTS APPENDIXC C ...
Page 639: ...G 2 G650 Generator Protection Control System GEK 113285A G 1 GE MULTILIN WARRANTY APPENDIXG G ...