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F.13
Date Code 20081022
Instruction Manual
SEL-787 Relay
IEC 61850 Communications
Logical Nodes
defines the extensions to the MSTA data class "Metering Statistics"
defined in the IEC 61850 standard.
Logical Nodes
The following tables,
through
, show the Logical Nodes
(LNs) supported in the SEL-787 and the associated Relay Word bits or
measured quantities.
shows the LN associated with protection
elements defined as Logical Device PRO.
Table F.9
MSTA Class
Attribute Name
Type
Explanation
T
M/O
MSTA Class
Measured Values
MaxA
WYE
Maximum Phase Currents
O
MinA
WYE
Minimum Phase Currents
O
MaxPhV
WYE
Maximum Phase to Ground Voltages
O
MinPhV
WYE
Minimum Phase to Ground Voltages
O
MaxP2PV
DEL
Maximum Phase to Phase Voltages
O
MinP2PV
DEL
Minimum Phase to Phase Voltages
O
Table F.10
Logical Device: PRO (Protection)
(Sheet 1 of 3)
Logical Node
Status
Relay Word Bit
Comment
P11PIOC1
Str.general 50P11P
P11PIOC1
Op.general 50P11T
P12PIOC2
Str.general 50P12P
P12PIOC2
Op.general 50P12T
P13PIOC3
Str.general 50P13P
P13PIOC3
Op.general 50P13T
P14PIOC4
Str.general 50P14P
P14PIOC4
Op.general 50P14T
P21PIOC5
Str.general 50P21P
P21PIOC5
Op.general 50P21T
P22PIOC6
Str.general 50P22P
P22PIOC6
Op.general 50P22T
P23PIOC7
Str.general 50P23P
P23PIOC7
Op.general 50P23T
P24PIOC8
Str.general 50P24P
P24PIOC8
Op.general 50P24T
N11PIOC9
Str.general 50N11P
N11PIOC9
Op.general 50N11T
N12PIOC10
Str.general 50N12P
N12PIOC10
Op.general 50N12T
Summary of Contents for SEL-787
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