Siemens 7SR12 Argus Manual page 6

7SR11 & 7SR12 Description Of Operation
Software Revision History
2017/04 7SR11 2436H80003 R4g-3c
7SR12 2436H80004 R4g-3c
2015/08 7SR11 2436H80003 R4b-3b
7SR12 2436H80004 R4b-3b
2015/06 7SR11 2436H80003 R3b-3a
7SR12 2436H80004 R3b-3a
2014/10 7SR11 2436H80003 R3a-3a
7SR12 2436H80004 R3a-3a
2013/09 7SR11 2436H80003 R2c-2b
7SR12 2436H80004 R2c-2b
2013/01 7SR11 2436H80003 R2b-2b
7SR12 2436H80004 R2b-2b
2012/01 7SR11 2436H80003 R2a-2a
7SR12 2436H80004 R2a-2a
2011/06 7SR11 2436H80003 R2-2
7SR12 2436H80004 R2-2
2009/04 2436H80003R1g-1c 7SR11
2436H80004R1g-1c 7SR12
Hardware Revision History
2015/08 FF
2015/06 EE
2014/01 DD
2012/04 CC
2009/05 BB
Chapter 1 Page 2 of 88
PTRC Trip time upgrade.
RFLT Logical node change to add fault currents.
Operating system upgrade.
Addition of 50AFD Arc Detection and
32, 32S and 55 Power Protection elements.
ACB Phase Rotation added.
Minor changes to IEC 61850 implementation prior to release
of E6 models.
Addition of optional IEC 61850 communication protocol.
IDMTL Time multiplier resolution increased.
UV Guard added to 47NPS
27/59 elements phase segregated output added.
Further improvement to startup routines.
Frequency(Hz) added to Fault Record & minor Fault Record
corrections.
Default Control password added.
Improvement to startup routines to prevent loss of data
Power-on counter added.
Data Comms improvements
First Maintenance,
IEC reset curves added
37G Undercurrent added, UV Guard added to 37 elements.
Line Check added to non-AR variants.
Minor changes to suit customer requests.
First Release
Segregated Outputs variant introduced
NXP4337 microprocessor support added
E6 hardware variants with IEC 61850 functionality introduced.
No changes to non-IEC61850 E4 hardware.
Circuit changes to improve startup
Support for AC PSU
First Release
©2017 Siemens Protection Devices Limited