Firmware and Service Manual P54x/EN VH/La4
Version History
MiCOM P543, P544, P545 & P546
(
VH) 16-11
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
D B Jun 2001
Added 3 DDB signals to block distance
Removed force 3 pole trip DDB
Resolved problem caused by rapid changing self resetting
alarm resetting the relay when read key pressed
Note: Non of the above are relevant to software in production
V2.01b
(not issued)
-
E B Jul 2001
Internal release for validation only - runs on phase 2 hardware with
a new co-processor board
Fixed capacitive charging current compensation in P544 &
P546
Fixed fast operating times for IDMT at a particular multiply of
setting
Added MODBUS control of opto filter cell
Removed the quick start up for GPS because it was causing
general startup problems
Fixed the GPS inhibit in dual redundant mode
Fixed an error in GPS synchronization when a timer wraps
round
Fixed comms. delay equal command in 3 terminal schemes
CS103 time sync modified not to generate courier events
Note: Non of the above are relevant to software in production
V2.01b
(not issued)
-
10
Cont.
F B
Internal release for validation only - runs on phase 2 hardware with
a new co-processor board
Added CS103 private codes
V2.01b
(not issued)
-
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