Relay type: P341 …
Software
Version
Major Minor
Hardware
Suffix
Original Date
of Issue
S1
Compatibility
Technical
Documentation
Description of Changes
A A/C Aug 2000
Maximum overfrequency protection setting increased from 65
to 68 Hz
Change to undervoltage stage 2 (V<2) setting range to
correct an error. The setting range has been increased from
10-70 V to 10-120V (Vn=100/120V) so that it is the same as
V<1
Change to neutral voltage displacement protection and
directional SEF protection so that they are now not blocked
by the voltage transformer supervision logic when the VN
Input and ISEF> VN Pol are selected as Measured
Includes all the improvements and corrections in 05F
software except for 2 enhancement shown for 06B
Minor bug fixes
V2.06 or Later P341/EN M/E33
B A/C Oct 2002
Correction to undervoltage stage 2 (V<2) setting range. The
setting range has been increased from 10-70V to 10-120V
(Vn=110/120V) so that it is the same as V<1
Enhancements to IEC608750-5-103 build to include private
codes, monitor blocking and disturbance record extraction.
New uncompressed disturbance recorder for IEC60870-5-
103 build
Minor bug fixes
V2.06 or Later P341/EN M/E33
06
Cont.
C A/C March 2004 Changes are the same as 05G V2.06 or Later P341/EN M/E33
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