Schweitzer Engineering Laboratories SEL-787 - Table F.9 MSTA Class; Table F.10 Logical Device: PRO (Protection); Logical Nodes

F.13
Date Code 20081022 Instruction Manual SEL-787 Relay
IEC 61850 Communications
Logical Nodes
Table F.9 defines the extensions to the MSTA data class "Metering Statistics"
defined in the IEC 61850 standard.
Logical Nodes
The following tables, Table F.10 through Table F.13, show the Logical Nodes
(LNs) supported in the SEL-787 and the associated Relay Word bits or
measured quantities. Table F.10 shows the LN associated with protection
elements defined as Logical Device PRO.
Ta b l e F.9 M S TA Cla s s
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