P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-18 MiCOM P543, P544, P545 & P546
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
B B Nov 2002
Resolved problem with P541 & P542 IEC 60870-5-103 builds
not running
Resolved a problem with IEC 60870-5-103 class 1 polling
Resolved a problem with IEC 60870-5-103 ASDU2 events
which occurred prior to a start event
Correct the format used to display frequency over the
MODBUS interface
Resolved problem related to incorrect CB trip/close
commands via MODBUS
Resolved problem related to CB trip/close commands via
MODBUS being accepted when not selected
Resolved a problem which prevented protection setting being
saved after control and support setting had been saved
Corrected the saving of fault locator settings in groups 2, 3, 7
& 4 when made via user interface
Added object 10 to DNP3.0 class 0 poll
Corrected the way DNP3.0 handled the season bit in the time
& date
Recommended upgrading to 12D or later
V2.05 or Later P54x/EN T/E21
12
Cont.
C B Mar 2003
All builds released to production. Based on 12B software
Resolved several problems related to the IEC 60870-5-103
protocol
Resolved problem which may cause short duration current
differential trips
V2.05 or Later P54x/EN T/E21
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