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
