P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-22 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
C B Oct 2004
All builds released to production. Based on 13B software
Resolved a problem relating to co-processor SRAM checking
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
V2.10 or Later
(DNP3.0 files)
different to 13A
P54x/EN T/E21
D B Mar 2005
All builds released to production. Based on 13C software
Correction to single pole auto-reclose
Remapped fun/inf. 192/130 in P543 & P545
Display of no. valid messages on LCD corrected
DNP3.0 improved binary scanning
Operation of CB maintenance alarm corrected
Corrections to allow extended courier characters to be used in
string setting cells for courier and MODBUS
Corrected default display of neutral current for 5A CTs
Prevented a reboot for DNP3.0 versions when control &
support settings are changed rapidly
Changes to co-processor start-up to eliminate a timing
problem
V2.10 or Later
(DNP3.0 files)
different to 13A
P54x/EN T/E21
13
Cont.
E B Apr 2005
All builds released to production. Based on 13D software
Changed MODBUS driver
V2.10 or Later
(DNP3.0 files)
different to 13A
P54x/EN T/E21
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