P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-20 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
G B Oct 2004
Differential intertrip in IEC 60870-5-103 reported with correct
FAN
SRAM self checking added to co-processor board
Reception of MODBUS frame improved
Rejection of spurious messages injected onto RS485 network
improved
Improved self checking of SRAM
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
V2.05 or Later P54x/EN T/E21
H B May 2005
All builds released to production. Based on 12G software
Changed MODBUS driver
V2.05 or Later P54x/EN T/E21
12
Cont.
I B May 2006
All builds released to production. Based on 12G software
Improvements to the distance protection
V2.05 or Later P54x/EN T/E21
13
A B Apr 2004
All builds released to production. Based on 12E software
Control inputs enhancements including non-volatile, latched,
pulsed and support for DNP3.0 pulsed.
Enhanced DNP3.0
Distance Residual compensation angle range extended
V2.10 or later P54x/EN T/E21
To Next Page
Loading...
