CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
UR FAMILY – COMMUNICATIONS GUIDE 3-161
3
Table 3-181: Disconnect switch DiscΘXSWI data objects
InRef5 ORG XSWI# ST.LOC OPERAND (local control) 
setting.
R
GEORG R
setSrcRef ObjectReference SP XSWI# ST.LOC OPERAND reference to the data attribute to input R/C
VISIBLE 
STRING255
SP Reference to the ultimate source 
of value selected by setting 
XSWI# ST.LOC OPERAND
R/C
setSrcCB ObjectReference SP source GoCB of input if via GOOSE R/C
VISIBLE 
STRING255
SP If reference is external to this 
IED, mapped to the source’s 
GOOSE control block, else empty 
string
R/C
cdcNs VISIBLE 
STRING255
EX Name of the GE Multilin 
namespace at the time of this 
firmware release
R
cdcName VISIBLE 
STRING255
EX GEORG R
LNName: DiscΘXSWI# LDevice inst: System UR element: Disconnect Control element #
data obj. data attribute Type FC UR Name Description R/W/C
Mod INC This logical node’s mode R/Ctrl
stVal ENUMERATED ST 1 (on) R
ctlModel CtlModels CF 0 (status only) R
Health INS This logical node’s health R
stVal ENUMERATED ST LPHD1.PhyHealth.stVal R
Loc SPS Value of operand selected by XSWI# 
ST.LOC OPERAND
R
stVal BOOLEAN ST Disc0XSWI#.Loc.stVal R
OpCnt INS Phase ψ disconnect switch operation 
counter.
R
stVal INT32 ST R
units Unit CF R
units.SIUnit ENUMERATED 1 R
units.multiplier ENUMERATED 0 R
SwTyp ENS Disconnect switch type, fixed at 2 
(Disconnector)
R
INS R
stVal BOOLEAN ST 2 R
SwOpCap INS Mandatory data object which in this case 
is fixed at 4
R
stVal ENUMERATED ST 4 R
BadSt1 SPS SWITCH # φψ BAD STATUS operand R
stVal BOOLEAN ST SWITCH # φψ BAD STATUS R
ClsSt1 SPS SWITCH # φψ CLOSED operand R
stVal BOOLEAN ST SWITCH # φψ CLOSED R
OpnSt1 SPS SWITCH # φψ OPEN operand R
stVal BOOLEAN ST SWITCH # φψ OPEN R
IntermSt1 SPS SWITCH # φψ INTERM operand, which is 
disconnect pole discrepancy status
R
stVal BOOLEAN ST SWITCH # φψ INTERM R
Pos DPC Disconnect switch φψ position control R
stVal CODED ENUM ST R
ctlModel CtlModels CF 0 R
BlkOpn SPC Disconnect switch open commands  
blocked from all sources including 
protection
R
LNName: Disc0XSWI# LDevice inst: System UR element: Disconnect Control element #
data obj. data attribute Type FC UR Name Description R/W/C