Firmware and Service Manual P54x/EN VH/La4
Version History
MiCOM P543, P544, P545 & P546
(
VH) 16-27
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
G G Jun 2004
Closed UCA2 association after "dirty" client disconnection
Made UCA2 disturbance record directory service compatible
with PACiS
Corrected under and over voltage blocking of check sync
Improved self-checking of analogue data acquisition
Handling of FAN in IEC 60870-5-103 improved
Differential intertrip in IEC 60870-5-103 reported with correct
FAN
Prevented C diff fail alarm occurs before signaling fail alarm
for loss of communications
Improved self checking of SRAM
V2.09 or Later P54x/EN T/G42
20
Cont.
H G Oct 2004
Release to production. Based on 20G software
SRAM self checking added to co-processor board
Fixed an incorrect response of the summertime time bit in
IEC 60870-5-103 protocol
Prevented incorrect behavior of P545/P546 when one relay is
energized when there is noise on the signaling channel
Status of local GPS reported incorrectly in dual redundant
schemes
Accuracy of MODBUS time sync improved
Fixed an incorrect response of the summertime time bit in
IEC 60870-5-103 protocol
Prevented Ethernet card restarting after approximately 20
hours when no connection made
Improvements to time sync for courier, CS103 and DNP3.0
V2.09 or Later P54x/EN T/G42
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