Update Documentation P521/EN AD/B21
MiCOM P521 Page 1/24
P521 UPDATE DOCUMENTATION
In the firmware version 1.D of P521, several changes on existing features have been
added. These are described with reference to the documentation listed below:
Release Version Documentation
29.01.2004 P521/EN M/B11 Technical Manual
Document Ref. Section Page No. Description
P521/EN FT/B11
3.4.2 13
Relay hardware or software alarms
DEFAULT CONFIG. : alarm message
re-written
3.5.3.7 32
Protection communication menu
Protocol - SDLC menu : “and IEEE
C37.94/2” removed from the menu
description
3.5.4.8 57 - 58
Inverting of the auxiliary output
relays
New section added
57
Inputs sub menu
Section re-numbered : was 3.5.4.8
3.5.4.9 58
AUTOMAT. CTRL menu : description
amended
3.5.4.10 59
Broken conductor sub menu
Section re-numbered : was 3.5.4.9
Cold load pick-up sub menu
Section re-numbered : was 3.5.4.10
3.5.4.11 60
AUTOMAT. CTRL menu : description
amended
Circuit breaker failure sub menu
Section re-numbered : was 3.5.4.11
3.5.4.12 62
AUTOMAT. CTRL menu : description
amended
Circuit breaker supervision sub
menu
Section re-numbered : was 3.5.4.12
3.5.4.13 62
AUTOMAT. CTRL menu : description
amended
P521/EN TD/B11
6.2 15
Logic inputs and outputs
Logic input : re-written
9.1 17
Dielectric withstand
Paragraphs 2 and 3 : amended
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