Firmware and Service Manual P54x/EN VH/La4
Version History
MiCOM P543, P544, P545 & P546
(
VH) 16-33
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
50
Cont.
A K May 2006
Definitive time directional negative sequence overcurrent I2>
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
51
C K Jul 2006
Release of P543, P544, P545 & P546 with distance protection
based on 50A
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
Out of step tripping
Patch for V2.12 P54x/EN M/J74
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