Relay type: P341 …
Software
Version
Major Minor
Hardware
Suffix
Original Date
of Issue
S1
Compatibility
Technical
Documentation
Description of Changes
A J March 2006
Inter frame gap added between frames in multi-frame
transmission of DNP 3.0 messages to be compatible with
C264.
Correction to error in NPS directional overcurrent operating
time delay. The excess in the operating time (always less
than 1s) only occurs when set to directional.
Correction to intermittent incorrect IRIG-B status indication of
'Card Failed' with healthy IRIG-B source.
Minor bug fixes
V2.14 or later
P341/EN M/E33,
P341/EN AD/E43
B J May 2006 Minor bug fixes V2.14 or later
P341/EN M/E33,
P341/EN AD/E43
C J October 2006
MODBUS allows individual 16 bit register pairs that make up
32 bit data to be accessed individually.
Correction to fast operation of overcurrent protection with
IEEE/US inverse time reset characteristic.
Minor bug fixes
V2.14 or later
P341/EN M/E33,
P341/EN AD/E43
32
Cont..
D J Dec 2006
Correction to P341 Directional Sensitive Earth Fault (Forward
or reverse) function. Function does not operate if SEF/REF
Protection is initially disabled in the configuration column and
SEF Mode is set to 'SEF' (default setting) when the relay is
booted up. Correct operation will only occur when the SEF
Mode setting is changed (submitted) and changed back to
'SEF' or the relay is rebooted with SEF/REF enabled in the
configuration column.
Minor bug fixes
V2.14 or later
P341/EN M/E33,
P341/EN AD/E43
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