Name Type Description
TR3L3 BOOLEAN Trip signal from step3 phase L3
TR4L1 BOOLEAN Trip signal from step4 phase L1
TR4L2 BOOLEAN Trip signal from step4 phase L2
TR4L3 BOOLEAN Trip signal from step4 phase L3
START BOOLEAN General start signal
ST1 BOOLEAN Common start signal from step1
ST2 BOOLEAN Common start signal from step2
ST3 BOOLEAN Common start signal from step3
ST4 BOOLEAN Common start signal from step4
STL1 BOOLEAN Start signal from phase L1
STL2 BOOLEAN Start signal from phase L2
STL3 BOOLEAN Start signal from phase L3
ST1L1 BOOLEAN Start signal from step1 phase L1
ST1L2 BOOLEAN Start signal from step1 phase L2
ST1L3 BOOLEAN Start signal from step1 phase L3
ST2L1 BOOLEAN Start signal from step2 phase L1
ST2L2 BOOLEAN Start signal from step2 phase L2
ST2L3 BOOLEAN Start signal from step2 phase L3
ST3L1 BOOLEAN Start signal from step3 phase L1
ST3L2 BOOLEAN Start signal from step3 phase L2
ST3L3 BOOLEAN Start signal from step3 phase L3
ST4L1 BOOLEAN Start signal from step4 phase L1
ST4L2 BOOLEAN Start signal from step4 phase L2
ST4L3 BOOLEAN Start signal from step4 phase L3
ST2NDHRM BOOLEAN Second harmonic detected
DIRL1 INTEGER Direction for phase1
DIRL2 INTEGER Direction for phase2
DIRL3 INTEGER Direction for phase3
STDIRCND INTEGER Binary coded start and directional information
8.2.5  Settings
PID-6973-SETTINGS v3
Table 70: OC4PTOC Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
AngleRCA 40 - 65 Deg 1 55 Relay characteristic angle (RCA)
AngleROA 40 - 89 Deg 1 80 Relay operation angle (ROA)
Table continues on next page
1MRK 505 394-UEN A Section 8
Current protection
Line differential protection RED650 2.2 IEC 165
Technical manual