ABB REM 545 - 8 Revision History of REM 54; Revision Identification; Release 2.5; Changes and Additions to Earlier Released Revisions

1MRS750915-MUM
REM 54_
97
Machine Terminal
Technical Reference Manual, General
8. Revision History of REM 54_
8.1. Revision identification
The main releases of the REM 54_ machine terminals are differentiated with the
software revision letter in the order number of the machine terminal and the
corresponding software number, both of which are printed on the marking strip on
the front panel of the terminal, for example as follows:
Order No: REM543CM212AAAA
Software No: 1MRS110019-001
The revision letter determines the main release which may involve functional
additions and changes to the product. The changes included in each revision
compared to the previous one are described in more detail below.
8.2. Release 2.5
8.2.1. Changes and additions to earlier released revisions
General
• Filtering times of digital inputs
• New type of RTD input: Ni 120US
• Technical data corrections
Function blocks
• Modification of Diff3, the high-impedance or flux-balance based differential
protection function block
• adjustable time setting added
• NOC3Low and NEF1Low: addition of ANSI inverse time curve
For further information about the changes above, refer to the function block
descriptions on the CD-ROM Technical Descriptions of Functions.
Table 8.1.-1 Revisions of REM 54_
Product Revision Software No Release
REM 543 A 1MRS110010-001 Release 1.5 (Dec 1998)
B 1MRS110018-00_ Release 2.0 (May 2000)
C 1MRS110022-00_ Release 2.5 (Jun 2002)
REM 543 (RTD1) A 1MRS110019-00_ Release 2.0 (May 2000)
B 1MRS110023-00_ Release 2.5 (Jun 2002)
REM 545 A 1MRS110020-00_ Release 2.0 (May 2000)
B 1MRS110024-00_ Release 2.5 (Jun 2002)
REM 545 (RTD1) A 1MRS110021-00_ Release 2.0 (May 2000)
B 1MRS110025-00_ Release 2.5 (Jun 2002)