Siemens 7SG164 Ohmega 400 Series Manual page 135

4 Distance Protection
Trip Outputs
hmega 402 Tripping Logic
615S81133 Revision 5
en Nickerson
story now in page properties.
Marshall the highset operations for output/flagging (primary trip operation)
HSOCA
HSOCB
HSOCC
Marshall the stub protection operations for output/flagging (backup trip operation)
STUB_A
STUB_B
STUB_C
Marshall the primary trip sources
SOLOTRIP
AIDEDTRIP
HISET
Zone 2 Override is Zone 2 Inst plus
an external enable signal.
Z2OVERRIDE
Z2G
Marshall the backup trip sources. In addition to TRIP3PHASE,
these w ill also generate the DAR Lockout (BACKUPTRIP) signal
SOTFTRIP
Z2D
Z3D
Z4D
ENABLEZ4TRIP
Generate a general Zone 1 output for alarm and flagging
Z1D
Generate zone starter signals from the instantaneous zone operations
Z1G
Z2G
Z3G
Z4G
BACKUPTRIPFLAG
LATCHLOCKOUT
©2011 Siemens Protection Devices Limited
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1
1
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&
LockoutLatch
S
Q
R
7SG1641 Ohmega 402 60 Diagrams
HISET
STUBPROTECTION
1 TRIP3PHASE
ZONE2OVERRIDE
1 BACKUPTRIPFLAG
ZONE2
ZONE3
ZONE4
ZONE4TRIP
ZONE1
ZONE1START
ZONE2START
ZONE3START
ZONE4START
1 BACKUPTRIP
Chapter 11 Page 6 of 18