Micom P341 - Page 57

Update Documentation P341/EN AD/F43
MiCOM P341
(AD) -53
Relay type: P341 …
Software
Version
Major Minor
Hardware
Suffix
Original Date
of Issue
Changes
S1
Compatibility
Technical
Documentation
Description of
A A June 2001
 Not released to production
 Sensitive reverse power added
 Neutral voltage displacement threshold, VN>1/2, increased
from 50 to 80V (Vn=100/120V), 200 to 320 V (Vn=380/480V)
 Earth fault polarizing voltage threshold, Vnpol, increased
from 22 to 88V (Vn=100/120V) and 88 to 352V
(Vn=380/480V)
 cos phi and sin phi features added to SEF protection
 Minor bug fixes
V2.01 or Later P341/EN T/B11
B A July 2001
 Not released to production
 Minor bug fix to background self check diagnostics
introduced in 04A
V2.01 or Later P341/EN T/B11
C A Dec 2001  Minor bug fixes V2.01 or Later P341/EN T/B11
D A Jan 2002
 Resolved possible reboot caused by Disturbance Recorder
 Minor bug fixes
V2.01 or Later P341/EN T/B11
E A Feb 2002
 Resolved possible reboot caused by invalid MODBUS
requests
 Minor bug fixes
V2.01 or Later P341/EN T/B11
04
F A Dec 2002
 Enhanced DNP 3.0 Object 10 support for Pulse On/Close
control points
 DNP 3.0 Object 10 included in Class 0 poll
 DNP 3.0 support for season in time information
V2.01 or Later P341/EN T/B11