Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Description Of Operation
©2017 Siemens Protection Devices Limited Chapter 1 Page 67 of 88
OUT OF SERVICE
IN SERVICE
79 In
79 Out
CB Closed
CB Open
79 Ext Trip
79 Ext Pickup
79 Trip
(
Inst,
Delayed,
HS
)
SEQUENCE IN
PROGRESS
Trip Reset
&
Pickup Reset
&
CB Open
79 Auto-Reclose
ENABLE
/
DISABLE
DEADTIME
79 Block Reclose
INHIBIT CLOSE CB
CLOSE PULSE
RECLAIM
LOCKOUT
79 Out Of Service
79 InService
79 Lockout
79 Lockout
79
Reset Lockout
79 InProgress
79 Sequence Fail Timer
79 Num Shots
79 Elem Prot Trip n (Inst,
Delayed)
79 Elem Deadtime
79 Elem HS Trips to Lockout
79 Elem Delayed Trips to Lockout
79 CB Fail To Close
79 Close Onto Fault
CB Controls Latched
79 Retry Enable
79 Retry Attempts
79 Retry Interval
Close CB Pulse
Block Close CB
Reclaim Timer
79
Successful AR
79 Block Reclose AND 79 Reclose Blocked Delay Elapsed
Starter raised in Reclaim Time
Reclaim Time Elapsed
Lockout Reset
Sequence Fail Timer = Elapsed
Increment Close Count
Close Pulse Expired - Close CB
AR Started
= CB Closed
79 Elem Prot Trip n
LOCKOUT RESET
79 Minimum LO Delay
79 Reset LO by Timer
Manual Close
CB Closed
CB Failed to Close
CB Open at End of Reclaim Time, or Protection operation during final Reclaim Time
CB Close
Manual Close CB
Manual
Close
Close CB Delay
Elem Line Check Trip
Sequence Fail
79
Reclose Blocked Delay
79
Sequence Co
-ord
Sequence Reclose ENABLED & STARTER picked up & STARTER reset
HS or Delayed Trips to Lockout = Count
Num Shots
= Count
79 Trip & Reclose
79
Trip & Lockout
79 Line Check
Hot Line In
Hot Line Out
Last Trip to Lockout
Figure 4-2 Basic Auto-Reclose Sequence Diagram

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English