Revision History Of Rex 521; Revision Identification; Changes And Additions To Earlier Released Revision C; Configuration, Setting, And Sa System Tools - ABB REX 521 Technical Reference Manual, General

1MRS 751108-MUM
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Protection Relay
Technical Reference Manual, General

Revision history of REX 521

Revision identification

The main releases of REX 521 products are differentiated with the revision and
configuration revision letters in the order number (see "Ordering information" on
page 56).
Table 7.1.-1 Revisions of REX 521
Configuration
Product Revision
revision
REX 521 A
B
C
E
The revision and configuration revision letters determine the main release which
may involve functional additions and changes to the product. Revision letter
indicates changes in relay hardware and configuration revision letter in software.
The changes included in each release compared to the previous one are described in
more detail below.

Changes and additions to earlier released revision C

General
• New communication protocol DNP 3.0
Function blocks and standard configurations
• 3Ithdev> function block added to the H05 configuration
• High configuration: H08

Configuration, setting, and SA system tools

The following tool versions are needed to support the new functions and features of
Release Q2/2004 revisions of REX 521:
• CAP 501 Relay Configuration Tool; CAP 501 v.2.3.0-2 or later
• CAP 505 Relay Configuration Tool; CAP 505 v.2.3.0-2 or later
• LIB 500 Library for MicroSCADA v.8.4.5.; LIB 500 v.4.0.5 or later
• LIB 510 Library for MicroSCADA v.8.4.5.; LIB 510 v.4.0.5 or later
• SMS 510 v.1.2.0 or later
Release
B Q3/2001
C Q3/2002
D Q4/2003
E Q2/2004
REX 521
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