Firmware and Service Manual P54x/EN VH/La4
Version History
MiCOM P543, P544, P545 & P546
(
VH) 16-1
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
01
A A Feb 2000 First release to production V1.07 or Later TG8613A
02
A A Mar 2000
PSB. Three settings added to set zone 6 to increase flexibility
Protection address. Universal address added
SEF & EF. Polarizing voltage setting range increased
Thermal. Setting range increased
Trip conversion logic. 3 DDB signals added to simplify logic
for users
Distance. Min polarizing voltage increased to prevent tripping
for close up three phase faults
Check sync. angle measurement improved
PSB. Text for power swing indication improved
Include pole discrepancy logic to P543
Susceptance setting corrected
V1.08 or Later TG8613B
03
A A May 2000
German text changed
Spanish text changed
Changes to DDB names & properties
Improvements in auto-reclose and reset from lockout code
Changes to pole dead & trip conversion logic
Changes to P544 circuit breaker fail logic
Added DDB for CS103 test mode
Recommend upgrading to 03B software or later
V1.09 or Later TG8613B
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