Basics
2.3 Allocation of Logical Nodes to Logical Devices
54 SIPROTEC, 7SD/7SA/7VK, PIXIT
C53000-G1176-C186-3, Edition 11.2007
2.3 Allocation of Logical Nodes to Logical Devices
All Logical Nodes (LN) are allocated to Logical Devices (LD). The following tables show this
allocation and the DOIs available for each LN.
LD PROT The Logical Device PROT (protection) contains the following LNs:
Table 2-6 LD PROT - Logical Nodes
LN Function DOI
LLN0 General Mod, Beh, Health, NamPlt
PTRC1 General device pickup
Total OFF Mod, Beh, Health, NamPlt, Str,Tr,FinTr
PDIF1
PDIF2 Differential protection Mod, Beh, Health, NamPlt, Str, Op
PTRC3 Differential protection
General messages Mod, Beh, Health, NamPlt, Str, Op
StrA, StrAG, StrB, StrBG, StrC, StrCG, StrAB, StrBC,
StrCA, StrABC, StrABG, StrBCG, StrCAG, StrABCG
PDIF3 Earth fault overcurrent Mod, Beh, Health, NamPlt, Str, Op, DifAClc, RstA
PDIS1
PDIS10 Distance protection
zone 1, zone 1B Mod, Beh, Health, NamPlt, Str, Op
StrAG, StrBG, StrCG, StrAB, StrBC, StrCA
PDIS2
PDIS3
PDIS4
PDIS5
Distance protection
zone 2, zone3, zone 4, zone 5 Mod, Beh, Health, NamPlt, Str, Op
PTRC2 Distance protection
General messages Mod, Beh, Health, NamPlt, Str, Op
PSCH1 Distance protection
Teleprotection Mod, Beh, Health, NamPlt, Str, Op, CarRx, ProRx,
LosOfGrd, Echo, WeiOp, RvABlk, GrdRx, ProTx
RPSB1
RPSB2
RPSB3
RPSB4
RPSB5
RPSB1
Power Swing detection
zone1, zone 2, zone3, zone 4,
zone 5, zone 1B
Mod, Beh, Health, NamPlt, Str, BlkZn
RPSB6 Power Swing detection
Power Swing trip Mod, Beh, Health, NamPlt, Op