P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-32 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
40
Cont.
A K May 2006
GPS synchronization of current differential in all models
P543 and P545 now facilitate in zone transformer-feeder
applications
All models support ABC and ACB phase rotation
Standard and Inverted CT polarity setting for each set of CTs
in the relay
User interface with tri colored LED and function keys
InterMiCOM
64
Voltage protection
Backwards compatibility mode
Patch for V2.12 P54x/EN M/I64
41
C K Jul 2006
Release of P543, P544, P545 & P546 without distance protection
based on 40A
IEC 61850-8-1
High break options
Demodulated IRIG-B options
Reduction of distance minimum reach settings to 0.05 ohm
Permissive trip reinforcement
Poledead modifications for Hydro Quebec
CS103/auto-reclose modifications
Patch for V2.12 P54x/EN M/J74
50
A K May 2006
Release of P543, P544, P545 & P546 with distance protection
Distance protection from P443
DEF from P443
Aided distance & DEF schemes from P443
CTS
Patch for V2.12 P54x/EN M/I64
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