P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-4 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
B A Oct 2000
Released to production
Includes all of 05A changes
Requirement to use relays 8, 9 & 10 for Trip A, B & C removed
MODBUS communication problem when used with P140 fixed
Power measurements read over MODBUS may be incorrect
MODBUS status register reports disturbance records
incorrectly following power cycle
V2.0 or Later TG8613B
C A Mar 2001
Only P543 & P544 builds released for customer tests
PSB now works with single pole open
V2.0 or Later TG8613B
D A May 2001
Only P543 & P544 builds released for customer tests
Distance directional line fixed at -30º
PSB block issued when impedance passes into any Z1, Z2 or
Z3
PSB unblock via negative sequence current now done via PSL
New PSL will be
required
-
05
Cont.
E A Jun 2001
All builds released to production. Based on 05B software
Resolved a loss of measurements (column 3 & 4) problem that
can occur in 3 terminal applications
Recommended upgrading to 05K or later
V2.0 or Later TG8613B
To Next Page
Loading...
